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Програмування","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-fundamentals","01.csharp\u002F07.system-programming-windows\u002F12.async-fundamentals",{"title":344,"path":345,"stem":346},"SynchronizationContext та ConfigureAwait — Контекст Виконання","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-context-configureawait","01.csharp\u002F07.system-programming-windows\u002F13.async-context-configureawait",{"title":348,"path":349,"stem":350},"Async — Просунуті Паттерни","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-advanced","01.csharp\u002F07.system-programming-windows\u002F14.async-advanced",{"title":352,"path":353,"stem":354},"System.Threading.Channels — Async Producer-Consumer","\u002Fcsharp\u002Fsystem-programming-windows\u002Fchannels","01.csharp\u002F07.system-programming-windows\u002F15.channels",{"title":356,"path":357,"stem":358},"Асинхронна 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ОС","\u002Fcsharp\u002Fsystem-programming-windows\u002Fwindows-hooks-services","01.csharp\u002F07.system-programming-windows\u002F20.windows-hooks-services",{"title":376,"path":377,"stem":378},"Системне Програмування C# (Windows) — 07.system-programming-windows","\u002Fcsharp\u002Fsystem-programming-windows\u002Fimplementation_plan","01.csharp\u002F07.system-programming-windows\u002Fimplementation_plan",{"title":380,"icon":132,"path":381,"stem":382,"children":383,"page":59},"Io","\u002Fcsharp\u002Fio","01.csharp\u002F08.io",[384,388,392,396,400],{"title":385,"path":386,"stem":387},"8.1.1. Основи роботи з файловою системою","\u002Fcsharp\u002Fio\u002Ffile-system-basics","01.csharp\u002F08.io\u002F01.file-system-basics",{"title":389,"path":390,"stem":391},"8.1.2. Потоки (Streams) та Серіалізація Даних","\u002Fcsharp\u002Fio\u002Fstreams-serialization","01.csharp\u002F08.io\u002F02.streams-serialization",{"title":393,"path":394,"stem":395},"8.2.1. JSON Serialization з System.Text.Json","\u002Fcsharp\u002Fio\u002Fjson-serialization","01.csharp\u002F08.io\u002F03.json-serialization",{"title":397,"path":398,"stem":399},"8.2.2. XML Serialization та LINQ to XML","\u002Fcsharp\u002Fio\u002Fxml-serialization","01.csharp\u002F08.io\u002F04.xml-serialization",{"title":401,"path":402,"stem":403},"8.2.3. Binary Serialization: MessagePack та Protocol Buffers","\u002Fcsharp\u002Fio\u002Fbinary-serialization","01.csharp\u002F08.io\u002F05.binary-serialization",{"title":405,"icon":132,"path":406,"stem":407,"children":408,"page":59},"Ado Net","\u002Fcsharp\u002Fado-net","01.csharp\u002F09.ado-net",[409,413,417,421,425,429,433,437,441,445,449,453],{"title":410,"path":411,"stem":412},"9.1. Введення в ADO.NET","\u002Fcsharp\u002Fado-net\u002Fintroduction-to-adonet","01.csharp\u002F09.ado-net\u002F01.introduction-to-adonet",{"title":414,"path":415,"stem":416},"9.2. Клас DbConnection — з'єднання з базою даних","\u002Fcsharp\u002Fado-net\u002Fconnection","01.csharp\u002F09.ado-net\u002F02.connection",{"title":418,"path":419,"stem":420},"9.3. Клас DbCommand — виконання SQL-запитів","\u002Fcsharp\u002Fado-net\u002Fcommand-and-queries","01.csharp\u002F09.ado-net\u002F03.command-and-queries",{"title":422,"path":423,"stem":424},"9.4. Клас DbDataReader — ефективне читання даних","\u002Fcsharp\u002Fado-net\u002Fdatareader","01.csharp\u002F09.ado-net\u002F04.datareader",{"title":426,"path":427,"stem":428},"9.5. Параметризовані запити та захист від SQL Injection","\u002Fcsharp\u002Fado-net\u002Fparameters-and-sql-injection","01.csharp\u002F09.ado-net\u002F05.parameters-and-sql-injection",{"title":430,"path":431,"stem":432},"9.6. Транзакції в ADO.NET","\u002Fcsharp\u002Fado-net\u002Ftransactions","01.csharp\u002F09.ado-net\u002F06.transactions",{"title":434,"path":435,"stem":436},"9.7. DbProviderFactory — провайдер-незалежний код","\u002Fcsharp\u002Fado-net\u002Fprovider-factory","01.csharp\u002F09.ado-net\u002F07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","\u002Fcsharp\u002Fado-net\u002Fasync-data-access","01.csharp\u002F09.ado-net\u002F08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","\u002Fcsharp\u002Fado-net\u002Fdisconnected-mode-dataset","01.csharp\u002F09.ado-net\u002F09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","\u002Fcsharp\u002Fado-net\u002Fdata-adapter","01.csharp\u002F09.ado-net\u002F10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","\u002Fcsharp\u002Fado-net\u002Fdata-mapper-repository","01.csharp\u002F09.ado-net\u002F11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","\u002Fcsharp\u002Fado-net\u002Fadvanced-patterns","01.csharp\u002F09.ado-net\u002F12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","\u002Fcsharp\u002Fef-core","01.csharp\u002F10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","\u002Fcsharp\u002Fef-core\u002Fwhat-is-orm","01.csharp\u002F10.ef-core\u002F01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","\u002Fcsharp\u002Fef-core\u002Ffirst-project","01.csharp\u002F10.ef-core\u002F02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","\u002Fcsharp\u002Fef-core\u002Fdbcontext-deep-dive","01.csharp\u002F10.ef-core\u002F03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","\u002Fcsharp\u002Fef-core\u002Fdatabase-providers","01.csharp\u002F10.ef-core\u002F04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","\u002Fcsharp\u002Fef-core\u002Fconventions","01.csharp\u002F10.ef-core\u002F05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","\u002Fcsharp\u002Fef-core\u002Ffluent-api-vs-annotations","01.csharp\u002F10.ef-core\u002F06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","\u002Fcsharp\u002Fef-core\u002Frelationships-basics","01.csharp\u002F10.ef-core\u002F07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","\u002Fcsharp\u002Fef-core\u002Frelationships-advanced","01.csharp\u002F10.ef-core\u002F08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part1","01.csharp\u002F10.ef-core\u002F09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part2","01.csharp\u002F10.ef-core\u002F09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part1","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part2","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part1","01.csharp\u002F10.ef-core\u002F11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part2","01.csharp\u002F10.ef-core\u002F11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finheritance-part1","01.csharp\u002F10.ef-core\u002F12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finheritance-part2","01.csharp\u002F10.ef-core\u002F12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part1","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part2","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fseeding-part1","01.csharp\u002F10.ef-core\u002F14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fseeding-part2","01.csharp\u002F10.ef-core\u002F14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part1","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part2","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part1","01.csharp\u002F10.ef-core\u002F16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part2","01.csharp\u002F10.ef-core\u002F16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part1","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part2","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part1","01.csharp\u002F10.ef-core\u002F18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part2","01.csharp\u002F10.ef-core\u002F18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part1","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part2","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part1","01.csharp\u002F10.ef-core\u002F20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part2","01.csharp\u002F10.ef-core\u002F20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part1","01.csharp\u002F10.ef-core\u002F21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part2","01.csharp\u002F10.ef-core\u002F21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part1","01.csharp\u002F10.ef-core\u002F22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part2","01.csharp\u002F10.ef-core\u002F22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part1","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part2","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part1","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part2","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part1","01.csharp\u002F10.ef-core\u002F25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part2","01.csharp\u002F10.ef-core\u002F25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fperformance-fundamentals-part1","01.csharp\u002F10.ef-core\u002F26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part1","01.csharp\u002F10.ef-core\u002F29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part2","01.csharp\u002F10.ef-core\u002F29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","\u002Fcsharp\u002Fef-core\u002Fimplementation_plan","01.csharp\u002F10.ef-core\u002Fimplementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","\u002Fcsharp\u002Faspnet","01.csharp\u002F11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289,1346],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","\u002Fcsharp\u002Faspnet\u002Fminimal-api","01.csharp\u002F11.aspnet\u002F01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fintroduction","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Ffirst-application","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fwebapplication-builder","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frequest-pipeline-middleware","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-files","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-assets","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-fundamentals","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-options","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstate-management","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fsession-state","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fproject-structure","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fscalar-openapi-fluent","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger \u002F Swashbuckle у Minimal API: окремий класичний шлях","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fswagger-swashbuckle","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","\u002Fcsharp\u002Faspnet\u002Fapi","01.csharp\u002F11.aspnet\u002F02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fwhat-is-api","01.csharp\u002F11.aspnet\u002F02.api\u002F01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fdata-formats","01.csharp\u002F11.aspnet\u002F02.api\u002F02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-paradigms-rest","01.csharp\u002F11.aspnet\u002F02.api\u002F03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fhttp-methods-status-codes","01.csharp\u002F11.aspnet\u002F02.api\u002F04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Frest-organizing","01.csharp\u002F11.aspnet\u002F02.api\u002F05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","\u002Fcsharp\u002Faspnet\u002Fapi\u002Furl-nomenclature-crud","01.csharp\u002F11.aspnet\u002F02.api\u002F06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-naming","01.csharp\u002F11.aspnet\u002F02.api\u002F07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-validation","01.csharp\u002F11.aspnet\u002F02.api\u002F08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Ferror-handling-http","01.csharp\u002F11.aspnet\u002F02.api\u002F09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fidempotency-sync","01.csharp\u002F11.aspnet\u002F02.api\u002F10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fpagination-lists","01.csharp\u002F11.aspnet\u002F02.api\u002F11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fsecurity-auth","01.csharp\u002F11.aspnet\u002F02.api\u002F12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-process","01.csharp\u002F11.aspnet\u002F02.api\u002F13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fopenapi","01.csharp\u002F11.aspnet\u002F02.api\u002F14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","\u002Fcsharp\u002Faspnet\u002Fauth","01.csharp\u002F11.aspnet\u002F03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauth-fundamentals","01.csharp\u002F11.aspnet\u002F03.auth\u002F01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fjwt-authentication","01.csharp\u002F11.aspnet\u002F03.auth\u002F02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauthorization-policies","01.csharp\u002F11.aspnet\u002F03.auth\u002F03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcookie-auth-identity","01.csharp\u002F11.aspnet\u002F03.auth\u002F04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","\u002Fcsharp\u002Faspnet\u002Fauth\u002F04b.identity-auth-jwt","01.csharp\u002F11.aspnet\u002F03.auth\u002F04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-email-confirmation","01.csharp\u002F11.aspnet\u002F03.auth\u002F05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-two-factor","01.csharp\u002F11.aspnet\u002F03.auth\u002F06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-internals","01.csharp\u002F11.aspnet\u002F03.auth\u002F07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-external-providers","01.csharp\u002F11.aspnet\u002F03.auth\u002F08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fsecurity-hardening","01.csharp\u002F11.aspnet\u002F03.auth\u002F09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-theory","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foidc-keycloak","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fapi-keys","01.csharp\u002F11.aspnet\u002F03.auth\u002F11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frate-limiting","01.csharp\u002F11.aspnet\u002F03.auth\u002F12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frefresh-token-rotation","01.csharp\u002F11.aspnet\u002F03.auth\u002F13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcertificate-auth","01.csharp\u002F11.aspnet\u002F03.auth\u002F14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frbac-abac-rebac","01.csharp\u002F11.aspnet\u002F03.auth\u002F15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fmulti-tenancy","01.csharp\u002F11.aspnet\u002F03.auth\u002F16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","\u002Fcsharp\u002Faspnet\u002Fnotifications","01.csharp\u002F11.aspnet\u002F04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fin-app-database-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fpolling","01.csharp\u002F11.aspnet\u002F04.notifications\u002F02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fserver-sent-events","01.csharp\u002F11.aspnet\u002F04.notifications\u002F03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fwebsockets","01.csharp\u002F11.aspnet\u002F04.notifications\u002F04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fsignalr","01.csharp\u002F11.aspnet\u002F04.notifications\u002F05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fbackground-services","01.csharp\u002F11.aspnet\u002F04.notifications\u002F06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fweb-push","01.csharp\u002F11.aspnet\u002F04.notifications\u002F07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Femail-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fchoosing-the-right-approach","01.csharp\u002F11.aspnet\u002F04.notifications\u002F09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire","01.csharp\u002F11.aspnet\u002F04.notifications\u002F10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-image-webp","01.csharp\u002F11.aspnet\u002F04.notifications\u002F11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-video-hls","01.csharp\u002F11.aspnet\u002F04.notifications\u002F12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Ftelegram-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","\u002Fcsharp\u002Faspnet\u002Fi18n","01.csharp\u002F11.aspnet\u002F05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Finternationalization","01.csharp\u002F11.aspnet\u002F05.i18n\u002F01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Fhumanizer","01.csharp\u002F11.aspnet\u002F05.i18n\u002F02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","\u002Fcsharp\u002Faspnet\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching\u002F01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fmemory-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fdistributed-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fresponse-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Foutput-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","\u002Fcsharp\u002Faspnet\u002Ftesting","01.csharp\u002F11.aspnet\u002F07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-is-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-pyramid","01.csharp\u002F11.aspnet\u002F07.testing\u002F02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-schools","01.csharp\u002F11.aspnet\u002F07.testing\u002F03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftdd-and-bdd","01.csharp\u002F11.aspnet\u002F07.testing\u002F04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-to-test","01.csharp\u002F11.aspnet\u002F07.testing\u002F05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftest-frameworks","01.csharp\u002F11.aspnet\u002F07.testing\u002F06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-basics","01.csharp\u002F11.aspnet\u002F07.testing\u002F07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fmocking-with-moq","01.csharp\u002F11.aspnet\u002F07.testing\u002F09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fdatabase-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","\u002Fcsharp\u002Faspnet\u002Ftesting\u002F11a.integration-testing-practice","01.csharp\u002F11.aspnet\u002F07.testing\u002F11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fpostman-professional","01.csharp\u002F11.aspnet\u002F07.testing\u002F13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fhttpclient-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwiremock-net","01.csharp\u002F11.aspnet\u002F07.testing\u002F15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-patterns","01.csharp\u002F11.aspnet\u002F07.testing\u002F16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fadvanced-testing-tools","01.csharp\u002F11.aspnet\u002F07.testing\u002F17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Farchitecture-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fperformance-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fremaining_plan","01.csharp\u002F11.aspnet\u002F07.testing\u002Fremaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","\u002Fcsharp\u002Faspnet\u002Fpayments","01.csharp\u002F11.aspnet\u002F08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-fundamentals","01.csharp\u002F11.aspnet\u002F08.payments\u002F01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-methods-ukraine","01.csharp\u002F11.aspnet\u002F08.payments\u002F02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpci-dss-security","01.csharp\u002F11.aspnet\u002F08.payments\u002F03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-architecture","01.csharp\u002F11.aspnet\u002F08.payments\u002F04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fliqpay-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fmonobank-acquiring","01.csharp\u002F11.aspnet\u002F08.payments\u002F06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fstripe-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fwebhooks-deep-dive","01.csharp\u002F11.aspnet\u002F08.payments\u002F08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fsubscriptions-recurring","01.csharp\u002F11.aspnet\u002F08.payments\u002F09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Frefunds-disputes","01.csharp\u002F11.aspnet\u002F08.payments\u002F10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Ftesting-payments","01.csharp\u002F11.aspnet\u002F08.payments\u002F11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fproduction-checklist","01.csharp\u002F11.aspnet\u002F08.payments\u002F12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","\u002Fcsharp\u002Faspnet\u002Flibraries","01.csharp\u002F11.aspnet\u002F09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-validation","01.csharp\u002F11.aspnet\u002F09.libraries\u002F01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmapster","01.csharp\u002F11.aspnet\u002F09.libraries\u002F02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ferroror-result-pattern","01.csharp\u002F11.aspnet\u002F09.libraries\u002F03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fserilog","01.csharp\u002F11.aspnet\u002F09.libraries\u002F04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmediatr","01.csharp\u002F11.aspnet\u002F09.libraries\u002F05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fpolly","01.csharp\u002F11.aspnet\u002F09.libraries\u002F06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F09.libraries\u002F07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffeature-management","01.csharp\u002F11.aspnet\u002F09.libraries\u002F08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-email","01.csharp\u002F11.aspnet\u002F09.libraries\u002F09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fquest-pdf","01.csharp\u002F11.aspnet\u002F09.libraries\u002F10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fbogus","01.csharp\u002F11.aspnet\u002F09.libraries\u002F11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhumanizer-guard","01.csharp\u002F11.aspnet\u002F09.libraries\u002F12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fplan","01.csharp\u002F11.aspnet\u002F09.libraries\u002Fplan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","\u002Fcsharp\u002Faspnet\u002Frazor-pages","01.csharp\u002F11.aspnet\u002F10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ffrom-minimal-api","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fpage-model","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Frazor-syntax","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ftag-helpers","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fforms-validation","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fproject-task-manager","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc","01.csharp\u002F11.aspnet\u002F11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-pattern","01.csharp\u002F11.aspnet\u002F11.mvc\u002F01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffrom-razor-pages","01.csharp\u002F11.aspnet\u002F11.mvc\u002F02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fcontrollers-actions","01.csharp\u002F11.aspnet\u002F11.mvc\u002F03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Frouting-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmodel-binding","01.csharp\u002F11.aspnet\u002F11.mvc\u002F05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fviews-viewdata-tempdata","01.csharp\u002F11.aspnet\u002F11.mvc\u002F06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffilters","01.csharp\u002F11.aspnet\u002F11.mvc\u002F07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fareas","01.csharp\u002F11.aspnet\u002F11.mvc\u002F08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fview-components","01.csharp\u002F11.aspnet\u002F11.mvc\u002F09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fdisplay-editor-templates","01.csharp\u002F11.aspnet\u002F11.mvc\u002F10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fvalidation-advanced","01.csharp\u002F11.aspnet\u002F11.mvc\u002F11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx","01.csharp\u002F11.aspnet\u002F11.mvc\u002F12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fajax-htmx-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffile-upload","01.csharp\u002F11.aspnet\u002F11.mvc\u002F15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fglobalization-localization","01.csharp\u002F11.aspnet\u002F11.mvc\u002F16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fplan","01.csharp\u002F11.aspnet\u002F11.mvc\u002Fplan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","\u002Fcsharp\u002Faspnet\u002Fweb-api","01.csharp\u002F11.aspnet\u002F12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffrom-minimal-api-to-controllers","01.csharp\u002F11.aspnet\u002F12.web-api\u002F01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontroller-base-actionresult","01.csharp\u002F11.aspnet\u002F12.web-api\u002F02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontent-negotiation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-versioning","01.csharp\u002F11.aspnet\u002F12.web-api\u002F04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fproblemdetails-error-handling","01.csharp\u002F11.aspnet\u002F12.web-api\u002F05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffilters-for-api","01.csharp\u002F11.aspnet\u002F12.web-api\u002F06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fpagination-filtering-sorting","01.csharp\u002F11.aspnet\u002F12.web-api\u002F07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhateoas-resource-expansion","01.csharp\u002F11.aspnet\u002F12.web-api\u002F08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fminimal-api-vs-controllers-hybrid","01.csharp\u002F11.aspnet\u002F12.web-api\u002F09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-documentation-generation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhealth-checks-monitoring","01.csharp\u002F11.aspnet\u002F12.web-api\u002F11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fweb-api-project","01.csharp\u002F11.aspnet\u002F12.web-api\u002F12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fplan","01.csharp\u002F11.aspnet\u002F12.web-api\u002Fplan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Моніторинг","i-lucide-activity","\u002Fcsharp\u002Faspnet\u002Fmonitoring","01.csharp\u002F11.aspnet\u002F13.monitoring",[1352,1356,1360],{"title":1353,"path":1354,"stem":1355},"Спостережуваність: від console.log до production-систем","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fobservability-intro","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F01.observability-intro",{"title":1357,"path":1358,"stem":1359},"Health Checks: перший рівень observability","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F02.health-checks",{"title":1361,"path":1362,"stem":1363},"Вбудовані метрики .NET 10 та System.Diagnostics.Metrics","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fdotnet-metrics","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F03.dotnet-metrics",{"title":1365,"icon":1366,"path":1367,"stem":1368,"children":1369,"page":59},"Desktop UI","i-lucide-app-window","\u002Fcsharp\u002Fdesktop-ui","01.csharp\u002F12.desktop-ui",[1370,1374,1378,1382,1386,1390,1394,1398,1402,1406,1410,1414,1418,1422,1426,1430,1434,1438,1442,1446,1450,1454,1458,1462,1466,1470,1474,1478,1482,1486,1490,1494,1498,1502,1506,1510,1514,1518,1522,1526,1530,1534,1538,1542,1546,1550,1554,1558,1562,1566,1570,1574,1578,1582,1586,1590,1594,1598,1602,1606,1610,1614,1618,1622,1626,1630,1634,1638,1642,1646,1650],{"title":1371,"path":1372,"stem":1373},"Що таке десктопна розробка?","\u002Fcsharp\u002Fdesktop-ui\u002Fwhat-is-desktop-dev","01.csharp\u002F12.desktop-ui\u002F01.what-is-desktop-dev",{"title":1375,"path":1376,"stem":1377},"Архітектура WPF — як влаштований графічний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-architecture","01.csharp\u002F12.desktop-ui\u002F02.wpf-architecture",{"title":1379,"path":1380,"stem":1381},"Перший WPF-проєкт — від нуля до вікна","\u002Fcsharp\u002Fdesktop-ui\u002Ffirst-wpf-app","01.csharp\u002F12.desktop-ui\u002F03.first-wpf-app",{"title":1383,"path":1384,"stem":1385},"Перший Avalonia-проєкт: WPF для всіх платформ","\u002Fcsharp\u002Fdesktop-ui\u002F03a.first-avalonia-app","01.csharp\u002F12.desktop-ui\u002F03a.first-avalonia-app",{"title":1387,"path":1388,"stem":1389},"XAML: декларативний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-basics","01.csharp\u002F12.desktop-ui\u002F04.xaml-basics",{"title":1391,"path":1392,"stem":1393},"Fluent UI у WPF — сучасний дизайн Windows 11","\u002Fcsharp\u002Fdesktop-ui\u002F04a.wpf-fluent-ui","01.csharp\u002F12.desktop-ui\u002F04a.wpf-fluent-ui",{"title":1395,"path":1396,"stem":1397},"WPF UI — сучасна бібліотека Fluent контролів","\u002Fcsharp\u002Fdesktop-ui\u002F04b.wpf-ui-library","01.csharp\u002F12.desktop-ui\u002F04b.wpf-ui-library",{"title":1399,"path":1400,"stem":1401},"HandyControl — велика бібліотека UI контролів для WPF","\u002Fcsharp\u002Fdesktop-ui\u002F04c.handycontrol-library","01.csharp\u002F12.desktop-ui\u002F04c.handycontrol-library",{"title":1403,"path":1404,"stem":1405},"Простори імен та ресурси XAML","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-namespaces-resources","01.csharp\u002F12.desktop-ui\u002F05.xaml-namespaces-resources",{"title":1407,"path":1408,"stem":1409},"XAML в Avalonia: ключові відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F05a.avalonia-xaml-differences","01.csharp\u002F12.desktop-ui\u002F05a.avalonia-xaml-differences",{"title":1411,"path":1412,"stem":1413},"Розширення розмітки XAML (Markup Extensions)","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-markup-extensions","01.csharp\u002F12.desktop-ui\u002F06.xaml-markup-extensions",{"title":1415,"path":1416,"stem":1417},"Панелі Layout: StackPanel, WrapPanel, DockPanel","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part1","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part1",{"title":1419,"path":1420,"stem":1421},"Grid, Canvas, UniformGrid","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part2","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part2",{"title":1423,"path":1424,"stem":1425},"Просунуті техніки Layout","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-advanced","01.csharp\u002F12.desktop-ui\u002F08.layout-advanced",{"title":1427,"path":1428,"stem":1429},"Адаптивний Layout та найкращі практики","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-responsive","01.csharp\u002F12.desktop-ui\u002F09.layout-responsive",{"title":1431,"path":1432,"stem":1433},"Layout в Avalonia: відмінності та нові можливості","\u002Fcsharp\u002Fdesktop-ui\u002F09a.layout-avalonia","01.csharp\u002F12.desktop-ui\u002F09a.layout-avalonia",{"title":1435,"path":1436,"stem":1437},"Button, Image, ProgressBar та інші базові контроли","\u002Fcsharp\u002Fdesktop-ui\u002Fbasic-controls","01.csharp\u002F12.desktop-ui\u002F10.basic-controls",{"title":1439,"path":1440,"stem":1441},"Контроли в Avalonia: відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F10a.controls-avalonia","01.csharp\u002F12.desktop-ui\u002F10a.controls-avalonia",{"title":1443,"path":1444,"stem":1445},"Текстові контроли — TextBlock, TextBox, RichTextBox","\u002Fcsharp\u002Fdesktop-ui\u002Ftext-controls","01.csharp\u002F12.desktop-ui\u002F11.text-controls",{"title":1447,"path":1448,"stem":1449},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","\u002Fcsharp\u002Fdesktop-ui\u002Fselection-controls","01.csharp\u002F12.desktop-ui\u002F12.selection-controls",{"title":1451,"path":1452,"stem":1453},"Content Model — GroupBox, Expander, TabControl, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fcontent-controls","01.csharp\u002F12.desktop-ui\u002F13.content-controls",{"title":1455,"path":1456,"stem":1457},"UI\u002FUX принципи десктопних застосунків","\u002Fcsharp\u002Fdesktop-ui\u002F13a.ui-ux-principles","01.csharp\u002F12.desktop-ui\u002F13a.ui-ux-principles",{"title":1459,"path":1460,"stem":1461},"Dependency Properties — Концепція та Value Resolution","\u002Fcsharp\u002Fdesktop-ui\u002Fdependency-properties-part1","01.csharp\u002F12.desktop-ui\u002F14.dependency-properties-part1",{"title":1463,"path":1464,"stem":1465},"Avalonia Property System — StyledProperty та DirectProperty","\u002Fcsharp\u002Fdesktop-ui\u002F14a.avalonia-property-system","01.csharp\u002F12.desktop-ui\u002F14a.avalonia-property-system",{"title":1467,"path":1468,"stem":1469},"Attached Properties — Властивості без меж","\u002Fcsharp\u002Fdesktop-ui\u002Fattached-properties","01.csharp\u002F12.desktop-ui\u002F15.attached-properties",{"title":1471,"path":1472,"stem":1473},"Routed Events — Маршрутизація подій у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Frouted-events","01.csharp\u002F12.desktop-ui\u002F16.routed-events",{"title":1475,"path":1476,"stem":1477},"Data Binding — Від Code-Behind до Декларативності","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part1","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part1",{"title":1479,"path":1480,"stem":1481},"INotifyPropertyChanged — Живе оновлення UI","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part2","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part2",{"title":1483,"path":1484,"stem":1485},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","\u002Fcsharp\u002Fdesktop-ui\u002F17a.avalonia-compiled-bindings","01.csharp\u002F12.desktop-ui\u002F17a.avalonia-compiled-bindings",{"title":1487,"path":1488,"stem":1489},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-advanced","01.csharp\u002F12.desktop-ui\u002F18.data-binding-advanced",{"title":1491,"path":1492,"stem":1493},"Value Converters — Перетворення типів даних у Data Binding","\u002Fcsharp\u002Fdesktop-ui\u002Fvalue-converters","01.csharp\u002F12.desktop-ui\u002F19.value-converters",{"title":1495,"path":1496,"stem":1497},"Data Templates — Візуалізація об'єктів у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-templates","01.csharp\u002F12.desktop-ui\u002F20.data-templates",{"title":1499,"path":1500,"stem":1501},"Collections Binding Part 1 — ObservableCollection та ItemsControl","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part1","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part1",{"title":1503,"path":1504,"stem":1505},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part2","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part2",{"title":1507,"path":1508,"stem":1509},"MVVM Pattern — Від Spaghetti Code до архітектури","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-pattern","01.csharp\u002F12.desktop-ui\u002F22.mvvm-pattern",{"title":1511,"path":1512,"stem":1513},"ViewModel Implementation — Від BaseViewModel до валідації","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-implementation","01.csharp\u002F12.desktop-ui\u002F23.viewmodel-implementation",{"title":1515,"path":1516,"stem":1517},"Commands — Від event handlers до декларативних команд","\u002Fcsharp\u002Fdesktop-ui\u002Fcommands","01.csharp\u002F12.desktop-ui\u002F24.commands",{"title":1519,"path":1520,"stem":1521},"MVVM Toolkit — MVVM без boilerplate через Source Generators","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-toolkit","01.csharp\u002F12.desktop-ui\u002F25.mvvm-toolkit",{"title":1523,"path":1524,"stem":1525},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","\u002Fcsharp\u002Fdesktop-ui\u002Fmessenger-pattern","01.csharp\u002F12.desktop-ui\u002F26.messenger-pattern",{"title":1527,"path":1528,"stem":1529},"Стилі WPF — CSS для десктопу","\u002Fcsharp\u002Fdesktop-ui\u002Fstyles-basics","01.csharp\u002F12.desktop-ui\u002F27.styles-basics",{"title":1531,"path":1532,"stem":1533},"CSS-like стилі Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F27a.avalonia-css-styling","01.csharp\u002F12.desktop-ui\u002F27a.avalonia-css-styling",{"title":1535,"path":1536,"stem":1537},"Control Templates — Частина 1. Концепція та TemplateBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part1","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part1",{"title":1539,"path":1540,"stem":1541},"Control Templates — Частина 2. Named Parts та ContentPresenter","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part2","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part2",{"title":1543,"path":1544,"stem":1545},"Control Themes в Avalonia — нова ера стилізації","\u002Fcsharp\u002Fdesktop-ui\u002F28a.avalonia-control-themes","01.csharp\u002F12.desktop-ui\u002F28a.avalonia-control-themes",{"title":1547,"path":1548,"stem":1549},"Triggers та Visual State Manager у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Ftriggers-visual-states","01.csharp\u002F12.desktop-ui\u002F29.triggers-visual-states",{"title":1551,"path":1552,"stem":1553},"Pseudo-classes в Avalonia — замість WPF Triggers","\u002Fcsharp\u002Fdesktop-ui\u002F29a.avalonia-pseudo-classes","01.csharp\u002F12.desktop-ui\u002F29a.avalonia-pseudo-classes",{"title":1555,"path":1556,"stem":1557},"Теми та ресурсні словники у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fresources-themes","01.csharp\u002F12.desktop-ui\u002F30.resources-themes",{"title":1559,"path":1560,"stem":1561},"Avalonia Themes — Fluent Design та система тематизації","\u002Fcsharp\u002Fdesktop-ui\u002F30a.avalonia-themes-fluent","01.csharp\u002F12.desktop-ui\u002F30a.avalonia-themes-fluent",{"title":1563,"path":1564,"stem":1565},"Контроли колекцій — глибоке занурення","\u002Fcsharp\u002Fdesktop-ui\u002Fcollection-controls","01.csharp\u002F12.desktop-ui\u002F31.collection-controls",{"title":1567,"path":1568,"stem":1569},"DataGrid — колонки та базове відображення","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part1","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part1",{"title":1571,"path":1572,"stem":1573},"DataGrid — сортування, фільтрація, редагування","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part2","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part2",{"title":1575,"path":1576,"stem":1577},"TreeView та GridView","\u002Fcsharp\u002Fdesktop-ui\u002Ftreeview-listview","01.csharp\u002F12.desktop-ui\u002F33.treeview-listview",{"title":1579,"path":1580,"stem":1581},"Меню, Toolbar, ContextMenu, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fmenus-toolbars","01.csharp\u002F12.desktop-ui\u002F34.menus-toolbars",{"title":1583,"path":1584,"stem":1585},"Навігація та керування вікнами. Частина 1: вікна та сторінки","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part1","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part1",{"title":1587,"path":1588,"stem":1589},"Навігація та керування вікнами. Частина 2: MVVM-навігація","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part2","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part2",{"title":1591,"path":1592,"stem":1593},"Avalonia — Навігація та діалоги","\u002Fcsharp\u002Fdesktop-ui\u002F35a.avalonia-navigation-dialogs","01.csharp\u002F12.desktop-ui\u002F35a.avalonia-navigation-dialogs",{"title":1595,"path":1596,"stem":1597},"Діалоги та File Pickers у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdialogs-file-pickers","01.csharp\u002F12.desktop-ui\u002F36.dialogs-file-pickers",{"title":1599,"path":1600,"stem":1601},"UserControl: компонентний підхід у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fuser-controls","01.csharp\u002F12.desktop-ui\u002F37.user-controls",{"title":1603,"path":1604,"stem":1605},"Custom Controls: Lookless Controls у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fcustom-controls","01.csharp\u002F12.desktop-ui\u002F38.custom-controls",{"title":1607,"path":1608,"stem":1609},"Avalonia TemplatedControl — Lookless Controls","\u002Fcsharp\u002Fdesktop-ui\u002F38a.avalonia-templated-controls","01.csharp\u002F12.desktop-ui\u002F38a.avalonia-templated-controls",{"title":1611,"path":1612,"stem":1613},"Анімації у WPF: Storyboard та Easing Functions","\u002Fcsharp\u002Fdesktop-ui\u002Fanimations-transitions","01.csharp\u002F12.desktop-ui\u002F39.animations-transitions",{"title":1615,"path":1616,"stem":1617},"Анімації в Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F39a.avalonia-animations","01.csharp\u002F12.desktop-ui\u002F39a.avalonia-animations",{"title":1619,"path":1620,"stem":1621},"2D Графіка та Мультимедіа у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fmedia-graphics","01.csharp\u002F12.desktop-ui\u002F40.media-graphics",{"title":1623,"path":1624,"stem":1625},"Dependency Injection у WPF та Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Fdi-integration","01.csharp\u002F12.desktop-ui\u002F41.di-integration",{"title":1627,"path":1628,"stem":1629},"SQLite та EF Core у десктопних додатках","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part1","01.csharp\u002F12.desktop-ui\u002F42.data-persistence-part1",{"title":1631,"path":1632,"stem":1633},"Repository Pattern та Unit of Work","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part2","01.csharp\u002F12.desktop-ui\u002F43.data-persistence-part2",{"title":1635,"path":1636,"stem":1637},"Тестування ViewModels","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-testing","01.csharp\u002F12.desktop-ui\u002F44.viewmodel-testing",{"title":1639,"path":1640,"stem":1641},"Avalonia Headless Testing — тестування UI без вікон","\u002Fcsharp\u002Fdesktop-ui\u002F44a.avalonia-headless-testing","01.csharp\u002F12.desktop-ui\u002F44a.avalonia-headless-testing",{"title":1643,"path":1644,"stem":1645},"Кросплатформна розробка з Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-cross-platform","01.csharp\u002F12.desktop-ui\u002F45.avalonia-cross-platform",{"title":1647,"path":1648,"stem":1649},"Пакування та розгортання Avalonia додатків","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F46.avalonia-packaging-deployment",{"title":1651,"path":1652,"stem":1653},"Розгортання WPF застосунків","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F47.wpf-packaging-deployment",{"title":1655,"icon":658,"path":1656,"stem":1657,"children":1658,"page":59},"Network Programming","\u002Fcsharp\u002Fnetwork-programming","01.csharp\u002F13.network-programming",[1659,1663,1667,1671,1675,1679,1683,1687,1691,1695,1699],{"title":1660,"path":1661,"stem":1662},"Основи комп'ютерних мереж","\u002Fcsharp\u002Fnetwork-programming\u002Ffoundations","01.csharp\u002F13.network-programming\u002F01.foundations",{"title":1664,"path":1665,"stem":1666},"Модель OSI та стек TCP\u002FIP","\u002Fcsharp\u002Fnetwork-programming\u002Fosi-model","01.csharp\u002F13.network-programming\u002F02.osi-model",{"title":1668,"path":1669,"stem":1670},"IP-протокол та адресація","\u002Fcsharp\u002Fnetwork-programming\u002Fip-addressing","01.csharp\u002F13.network-programming\u002F03.ip-addressing",{"title":1672,"path":1673,"stem":1674},"UDP — протокол без з'єднання","\u002Fcsharp\u002Fnetwork-programming\u002Fudp","01.csharp\u002F13.network-programming\u002F05.udp",{"title":1676,"path":1677,"stem":1678},"UDP Broadcast та Multicast","\u002Fcsharp\u002Fnetwork-programming\u002Fudp-broadcast-multicast","01.csharp\u002F13.network-programming\u002F06.udp-broadcast-multicast",{"title":1680,"path":1681,"stem":1682},"HTTP — протокол вебу","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-fundamentals","01.csharp\u002F13.network-programming\u002F07.http-fundamentals",{"title":1684,"path":1685,"stem":1686},"HttpListener — вбудований HTTP-сервер .NET","\u002Fcsharp\u002Fnetwork-programming\u002F07a.http-listener","01.csharp\u002F13.network-programming\u002F07a.http-listener",{"title":1688,"path":1689,"stem":1690},"HTTP Advanced — cookies, аутентифікація та HTTPS","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-advanced","01.csharp\u002F13.network-programming\u002F08.http-advanced",{"title":1692,"path":1693,"stem":1694},"SMTP та протоколи електронної пошти","\u002Fcsharp\u002Fnetwork-programming\u002Fsmtp","01.csharp\u002F13.network-programming\u002F09.smtp",{"title":1696,"path":1697,"stem":1698},"WebSocket — повнодуплексний протокол реального часу","\u002Fcsharp\u002Fnetwork-programming\u002Fwebsockets","01.csharp\u002F13.network-programming\u002F10.websockets",{"title":1700,"path":1701,"stem":1702},"TLS\u002FSSL — криптографічний захист мережевих з'єднань","\u002Fcsharp\u002Fnetwork-programming\u002Ftls-ssl","01.csharp\u002F13.network-programming\u002F11.tls-ssl",{"title":1704,"path":1705,"stem":1706},"C# & .NET: The Ultimate Roadmap","\u002Fcsharp\u002Froadmap","01.csharp\u002Froadmap",{"title":1708,"icon":1709,"path":1710,"stem":1711,"children":1712,"page":59},"C++","i-devicon-cplusplus","\u002Fcpp","02.cpp",[1713,1717,1721,1725,1729,1733,1737,1741,1745,1748,1752,1756,1760,1764,1768,1772,1776,1780,1784,1788,1792,1796,1800,1804,1808,1812,1816,1820,1824,1828,1832,1836,1840,1844,1848,1852,1856,1860,1864,1868,1872,1876,1880,1884,1888,1892,1896,1900,1904,1908,1912,1916,1920,1924,1928,1932,1936,1940,1944,1948,1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996,2000,2004,2008,2012,2016,2020,2024,2028,2032,2036],{"title":1714,"path":1715,"stem":1716},"Вступ у програмування та алгоритми","\u002Fcpp\u002Fintro-algorithms","02.cpp\u002F01.intro-algorithms",{"title":1718,"path":1719,"stem":1720},"Code Style: угоди про оформлення коду","\u002Fcpp\u002Fcode-style","02.cpp\u002F02.code-style",{"title":1722,"path":1723,"stem":1724},"Середовище розробки та перший проєкт","\u002Fcpp\u002Fide-setup","02.cpp\u002F03.ide-setup",{"title":1726,"path":1727,"stem":1728},"Вивід даних на екран","\u002Fcpp\u002Fdata-output","02.cpp\u002F04.data-output",{"title":1730,"path":1731,"stem":1732},"Типи даних, змінні та константи","\u002Fcpp\u002Fdata-types-variables","02.cpp\u002F05.data-types-variables",{"title":1734,"path":1735,"stem":1736},"Ввід даних з клавіатури","\u002Fcpp\u002Fdata-input","02.cpp\u002F06.data-input",{"title":1738,"path":1739,"stem":1740},"Оператори, перетворення типів та логічні операції","\u002Fcpp\u002Foperators-type-conversion","02.cpp\u002F07.operators-type-conversion",{"title":1742,"path":1743,"stem":1744},"Цикли","\u002Fcpp\u002Floops","02.cpp\u002F08.loops",{"title":32,"path":1746,"stem":1747},"\u002Fcpp\u002Farrays","02.cpp\u002F09.arrays",{"title":1749,"path":1750,"stem":1751},"Алгоритми сортування та аналіз складності","\u002Fcpp\u002Fsorting","02.cpp\u002F10.sorting",{"title":1753,"path":1754,"stem":1755},"Алгоритми пошуку","\u002Fcpp\u002Fsearching","02.cpp\u002F11.searching",{"title":1757,"path":1758,"stem":1759},"Функції: основи","\u002Fcpp\u002Ffunctions-basics","02.cpp\u002F12.functions-basics",{"title":1761,"path":1762,"stem":1763},"Функції: прототипи, область видимості та додаткові можливості","\u002Fcpp\u002Ffunctions-scope","02.cpp\u002F13.functions-scope",{"title":1765,"path":1766,"stem":1767},"Функції: перевантаження та шаблони","\u002Fcpp\u002Ffunctions-overloading-templates","02.cpp\u002F14.functions-overloading-templates",{"title":1769,"path":1770,"stem":1771},"Вказівники: основи","\u002Fcpp\u002Fpointers-basics","02.cpp\u002F15.pointers-basics",{"title":1773,"path":1774,"stem":1775},"Посилання (References)","\u002Fcpp\u002Freferences","02.cpp\u002F16.references",{"title":1777,"path":1778,"stem":1779},"Вказівники, const і масиви","\u002Fcpp\u002Fpointers-const-arrays","02.cpp\u002F17.pointers-const-arrays",{"title":1781,"path":1782,"stem":1783},"Адресна арифметика","\u002Fcpp\u002Fpointer-arithmetic","02.cpp\u002F18.pointer-arithmetic",{"title":1785,"path":1786,"stem":1787},"Динамічна пам'ять","\u002Fcpp\u002Fdynamic-memory","02.cpp\u002F19.dynamic-memory",{"title":1789,"path":1790,"stem":1791},"Вказівники типу void","\u002Fcpp\u002Fvoid-pointers","02.cpp\u002F20.void-pointers",{"title":1793,"path":1794,"stem":1795},"Вказівники на вказівники","\u002Fcpp\u002Fpointers-to-pointers","02.cpp\u002F21.pointers-to-pointers",{"title":1797,"path":1798,"stem":1799},"Оператор доступу до членів через вказівник (->)","\u002Fcpp\u002Fmember-access-operator","02.cpp\u002F22.member-access-operator",{"title":1801,"path":1802,"stem":1803},"Цикл for-each (Range-based for)","\u002Fcpp\u002Fforeach-loop","02.cpp\u002F23.foreach-loop",{"title":1805,"path":1806,"stem":1807},"Вказівники на функції","\u002Fcpp\u002Ffunction-pointers","02.cpp\u002F24.function-pointers",{"title":1809,"path":1810,"stem":1811},"Лямбда-вирази","\u002Fcpp\u002Flambdas","02.cpp\u002F25.lambdas",{"title":1813,"path":1814,"stem":1815},"Лямбда-захоплення","\u002Fcpp\u002Flambda-captures","02.cpp\u002F26.lambda-captures",{"title":1817,"path":1818,"stem":1819},"Еліпсис","\u002Fcpp\u002Fellipsis","02.cpp\u002F27.ellipsis",{"title":1821,"path":1822,"stem":1823},"Безпечні альтернативи еліпсису","\u002Fcpp\u002F27a.ellipsis","02.cpp\u002F27a.ellipsis",{"title":1825,"path":1826,"stem":1827},"Аргументи командного рядка","\u002Fcpp\u002Fcommand-line-arguments","02.cpp\u002F28.command-line-arguments",{"title":1829,"path":1830,"stem":1831},"Перерахування (enum)","\u002Fcpp\u002Fenum","02.cpp\u002F29.enum",{"title":1833,"path":1834,"stem":1835},"Класи-перерахування (enum class)","\u002Fcpp\u002Fenum-class","02.cpp\u002F30.enum-class",{"title":1837,"path":1838,"stem":1839},"Псевдоніми типів (typedef і using)","\u002Fcpp\u002Ftype-aliases","02.cpp\u002F31.type-aliases",{"title":1841,"path":1842,"stem":1843},"Системи числення та двійкова арифметика","\u002Fcpp\u002Fnumber-systems","02.cpp\u002F32.number-systems",{"title":1845,"path":1846,"stem":1847},"Структури (struct): агрегування даних","\u002Fcpp\u002Fstruct","02.cpp\u002F33.struct",{"title":1849,"path":1850,"stem":1851},"Структури у функціях","\u002Fcpp\u002Fstruct-functions","02.cpp\u002F34.struct-functions",{"title":1853,"path":1854,"stem":1855},"Масиви структур і вкладені структури","\u002Fcpp\u002Fstruct-arrays","02.cpp\u002F35.struct-arrays",{"title":1857,"path":1858,"stem":1859},"Патерни struct та межі застосування","\u002Fcpp\u002Fstruct-patterns","02.cpp\u002F36.struct-patterns",{"title":1861,"path":1862,"stem":1863},"Символи та таблиця ASCII","\u002Fcpp\u002Fascii-characters","02.cpp\u002F37.ascii-characters",{"title":1865,"path":1866,"stem":1867},"Unicode та кодування UTF","\u002Fcpp\u002Funicode-utf","02.cpp\u002F38.unicode-utf",{"title":1869,"path":1870,"stem":1871},"C-style рядки","\u002Fcpp\u002Fc-strings","02.cpp\u002F39.c-strings",{"title":1873,"path":1874,"stem":1875},"Вступ до std::string","\u002Fcpp\u002Fstd-string-intro","02.cpp\u002F40.std-string-intro",{"title":1877,"path":1878,"stem":1879},"Довжина, ємність та доступ до символів std::string","\u002Fcpp\u002Fstd-string-capacity-access","02.cpp\u002F41.std-string-capacity-access",{"title":1881,"path":1882,"stem":1883},"Модифікація std::string: присвоювання, додавання, вставка, видалення та заміна","\u002Fcpp\u002Fstd-string-modification","02.cpp\u002F42.std-string-modification",{"title":1885,"path":1886,"stem":1887},"Пошук у std::string: find, npos та практичні патерни","\u002Fcpp\u002Fstd-string-search","02.cpp\u002F43.std-string-search",{"title":1889,"path":1890,"stem":1891},"std::string_view: невласницький погляд на рядок без копіювання","\u002Fcpp\u002Fstd-string-view","02.cpp\u002F44.std-string-view",{"title":1893,"path":1894,"stem":1895},"Об'єднання (union): один блок пам'яті, кілька інтерпретацій","\u002Fcpp\u002Funion","02.cpp\u002F45.union",{"title":1897,"path":1898,"stem":1899},"Організація коду: файли, препроцесор, простори імен","\u002Fcpp\u002Fmultifile-programs","02.cpp\u002F46.multifile-programs",{"title":1901,"path":1902,"stem":1903},"Робота з файлами: C-стиль (stdio.h)","\u002Fcpp\u002Fc-style-files","02.cpp\u002F47.c-style-files",{"title":1905,"path":1906,"stem":1907},"Робота з файлами: C++-стиль (fstream)","\u002Fcpp\u002Fcpp-style-files","02.cpp\u002F48.cpp-style-files",{"title":1909,"path":1910,"stem":1911},"Введення в ООП: від процедур до об'єктів","\u002Fcpp\u002Foop-intro","02.cpp\u002F49.oop-intro",{"title":1913,"path":1914,"stem":1915},"Класи, об'єкти та методи","\u002Fcpp\u002Fclasses-objects-methods","02.cpp\u002F50.classes-objects-methods",{"title":1917,"path":1918,"stem":1919},"Специфікатори доступу та інкапсуляція","\u002Fcpp\u002Faccess-specifiers-encapsulation","02.cpp\u002F51.access-specifiers-encapsulation",{"title":1921,"path":1922,"stem":1923},"Конструктори: гарантована ініціалізація об'єктів","\u002Fcpp\u002Fconstructors","02.cpp\u002F52.constructors",{"title":1925,"path":1926,"stem":1927},"Списки ініціалізації та делегуючі конструктори","\u002Fcpp\u002Finit-lists-delegating","02.cpp\u002F53.init-lists-delegating",{"title":1929,"path":1930,"stem":1931},"Деструктори та ідіома RAII","\u002Fcpp\u002Fdestructors-raii","02.cpp\u002F54.destructors-raii",{"title":1933,"path":1934,"stem":1935},"Прихований покажчик this","\u002Fcpp\u002Fthis-pointer","02.cpp\u002F55.this-pointer",{"title":1937,"path":1938,"stem":1939},"Розподіл класу на заголовковий файл та файл реалізації","\u002Fcpp\u002Fclass-header-source","02.cpp\u002F56.class-header-source",{"title":1941,"path":1942,"stem":1943},"Класи та const","\u002Fcpp\u002Fconst-classes","02.cpp\u002F57.const-classes",{"title":1945,"path":1946,"stem":1947},"Статичні члени класу","\u002Fcpp\u002Fstatic-members","02.cpp\u002F58.static-members",{"title":1949,"path":1950,"stem":1951},"Конструктор копіювання та запобігання копіюванню","\u002Fcpp\u002Fcopy-constructor","02.cpp\u002F59.copy-constructor",{"title":1953,"path":1954,"stem":1955},"Дружні функції та класи","\u002Fcpp\u002Ffriend-functions-classes","02.cpp\u002F60.friend-functions-classes",{"title":1957,"path":1958,"stem":1959},"Анонімні об'єкти та вкладені типи","\u002Fcpp\u002Fanonymous-objects-nested-types","02.cpp\u002F61.anonymous-objects-nested-types",{"title":1961,"path":1962,"stem":1963},"Вимірювання часу виконання: RAII-таймер","\u002Fcpp\u002Ftiming-raii-timer","02.cpp\u002F62.timing-raii-timer",{"title":1965,"path":1966,"stem":1967},"Перевантаження операторів: основи та арифметика","\u002Fcpp\u002Foperator-overloading-basics","02.cpp\u002F63.operator-overloading-basics",{"title":1969,"path":1970,"stem":1971},"Перевантаження операторів: методи класу та спеціальні оператори","\u002Fcpp\u002Foperator-overloading-methods","02.cpp\u002F64.operator-overloading-methods",{"title":1973,"path":1974,"stem":1975},"Приведення типів, explicit та delete","\u002Fcpp\u002Ftypecast-explicit-delete","02.cpp\u002F65.typecast-explicit-delete",{"title":1977,"path":1978,"stem":1979},"Глибоке копіювання та оператор присвоювання","\u002Fcpp\u002Fdeep-copy-assignment","02.cpp\u002F66.deep-copy-assignment",{"title":1981,"path":1982,"stem":1983},"Зв'язки між об'єктами: композиція та агрегація","\u002Fcpp\u002Fcomposition-aggregation","02.cpp\u002F67.composition-aggregation",{"title":1985,"path":1986,"stem":1987},"Асоціація та залежність між об","\u002Fcpp\u002Fassociation-dependency","02.cpp\u002F68.association-dependency",{"title":1989,"path":1990,"stem":1991},"Контейнерні класи та `std::initializer_list`","\u002Fcpp\u002Fcontainer-classes-initializer-list","02.cpp\u002F69.container-classes-initializer-list",{"title":1993,"path":1994,"stem":1995},"Конструктори, деструктори та порядок ініціалізації в ієрархіях","\u002Fcpp\u002Finheritance-constructors-destructors","02.cpp\u002F71.inheritance-constructors-destructors",{"title":1997,"path":1998,"stem":1999},"Специфікатор `protected` та види наслідування","\u002Fcpp\u002Finheritance-access-specifiers","02.cpp\u002F72.inheritance-access-specifiers",{"title":2001,"path":2002,"stem":2003},"Перевизначення методів та приховування імен","\u002Fcpp\u002Fmethod-overriding-hiding","02.cpp\u002F73.method-overriding-hiding",{"title":2005,"path":2006,"stem":2007},"Множинне наслідування та проблема ромба","\u002Fcpp\u002Fmultiple-inheritance-diamond","02.cpp\u002F74.multiple-inheritance-diamond",{"title":2009,"path":2010,"stem":2011},"Вказівники на базовий клас та віртуальні функції","\u002Fcpp\u002Fvirtual-functions-polymorphism","02.cpp\u002F75.virtual-functions-polymorphism",{"title":2013,"path":2014,"stem":2015},"Специфікатори override, final та віртуальні деструктори","\u002Fcpp\u002Foverride-final-virtual-destructors","02.cpp\u002F76.override-final-virtual-destructors",{"title":2017,"path":2018,"stem":2019},"Внутрішні механізми поліморфізму: vtable, vptr та зв'язування","\u002Fcpp\u002Fvirtual-table-binding","02.cpp\u002F77.virtual-table-binding",{"title":2021,"path":2022,"stem":2023},"Абстрактні класи та чисті віртуальні функції","\u002Fcpp\u002Fabstract-classes-interfaces","02.cpp\u002F78.abstract-classes-interfaces",{"title":2025,"path":2026,"stem":2027},"Зрізка об'єктів, віртуальне наслідування та поліморфний вивід","\u002Fcpp\u002Fslicing-virtual-base-io","02.cpp\u002F79.slicing-virtual-base-io",{"title":2029,"path":2030,"stem":2031},"Динамічне приведення типів (`dynamic_cast`) та RTTI","\u002Fcpp\u002Fdynamic-cast-rtti","02.cpp\u002F80.dynamic-cast-rtti",{"title":2033,"path":2034,"stem":2035},"Шаблони функцій: узагальнене програмування","\u002Fcpp\u002Ffunction-templates","02.cpp\u002F81.function-templates",{"title":2037,"path":2038,"stem":2039},"Шаблони класів та NTTP-параметри","\u002Fcpp\u002Fclass-templates-nttp","02.cpp\u002F82.class-templates-nttp",{"title":2041,"icon":2042,"path":2043,"stem":2044,"children":2045,"page":59},"JavaScript","i-devicon-javascript","\u002Fjavascript","03.javascript",[2046,2072,2126,2148,2452,2490,2508],{"title":2047,"icon":2048,"path":2049,"stem":2050,"children":2051,"page":59},"Events","i-lucide-mouse-pointer-click","\u002Fjavascript\u002Fevents","03.javascript\u002F01.events",[2052,2056,2060,2064,2068],{"title":2053,"path":2054,"stem":2055},"Вступ до подій браузера","\u002Fjavascript\u002Fevents\u002Fintro","03.javascript\u002F01.events\u002F01.intro",{"title":2057,"path":2058,"stem":2059},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","\u002Fjavascript\u002Fevents\u002Fbubbling-capturing","03.javascript\u002F01.events\u002F02.bubbling-capturing",{"title":2061,"path":2062,"stem":2063},"Делегування подій (Event Delegation)","\u002Fjavascript\u002Fevents\u002Fdelegate-events","03.javascript\u002F01.events\u002F03.delegate-events",{"title":2065,"path":2066,"stem":2067},"Типові дії браузера та preventDefault()","\u002Fjavascript\u002Fevents\u002Fprevent-default","03.javascript\u002F01.events\u002F04.prevent-default",{"title":2069,"path":2070,"stem":2071},"Запуск користувацьких подій (Custom Events)","\u002Fjavascript\u002Fevents\u002Fcustom-events","03.javascript\u002F01.events\u002F05.custom-events",{"title":2073,"icon":2074,"path":2075,"stem":2076,"children":2077,"page":59},"Network","i-lucide-globe","\u002Fjavascript\u002Fnetwork","03.javascript\u002F02.network",[2078,2082,2086,2090,2094,2098,2102,2106,2110,2114,2118,2122],{"title":2079,"path":2080,"stem":2081},"Fetch API - Сучасний підхід до HTTP-запитів","\u002Fjavascript\u002Fnetwork\u002F01-fetch-api","03.javascript\u002F02.network\u002F01-fetch-api",{"title":2083,"path":2084,"stem":2085},"FormData - Робота з формами та файлами","\u002Fjavascript\u002Fnetwork\u002F02-formdata","03.javascript\u002F02.network\u002F02-formdata",{"title":2087,"path":2088,"stem":2089},"Відстеження прогресу завантаження","\u002Fjavascript\u002Fnetwork\u002F03-download-progress","03.javascript\u002F02.network\u002F03-download-progress",{"title":2091,"path":2092,"stem":2093},"Переривання fetch-запитів","\u002Fjavascript\u002Fnetwork\u002F04-abort-requests","03.javascript\u002F02.network\u002F04-abort-requests",{"title":2095,"path":2096,"stem":2097},"CORS - Запити між різними джерелами","\u002Fjavascript\u002Fnetwork\u002F05-cors","03.javascript\u002F02.network\u002F05-cors",{"title":2099,"path":2100,"stem":2101},"Fetch API - Повний довідник опцій","\u002Fjavascript\u002Fnetwork\u002F06-fetch-options","03.javascript\u002F02.network\u002F06-fetch-options",{"title":2103,"path":2104,"stem":2105},"URL Objects - Робота з посиланнями","\u002Fjavascript\u002Fnetwork\u002F07-url-objects","03.javascript\u002F02.network\u002F07-url-objects",{"title":2107,"path":2108,"stem":2109},"XMLHttpRequest - AJAX та низькорівневі запити","\u002Fjavascript\u002Fnetwork\u002F08-xmlhttprequest","03.javascript\u002F02.network\u002F08-xmlhttprequest",{"title":2111,"path":2112,"stem":2113},"Відновлюване завантаження файлів","\u002Fjavascript\u002Fnetwork\u002F09-resumable-upload","03.javascript\u002F02.network\u002F09-resumable-upload",{"title":2115,"path":2116,"stem":2117},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","\u002Fjavascript\u002Fnetwork\u002F10-cookies","03.javascript\u002F02.network\u002F10-cookies",{"title":2119,"path":2120,"stem":2121},"js-cookie: Керування Cookies без Болю","\u002Fjavascript\u002Fnetwork\u002F11-js-cookie","03.javascript\u002F02.network\u002F11-js-cookie",{"title":2123,"path":2124,"stem":2125},"Axios: Потужний HTTP-клієнт для JavaScript","\u002Fjavascript\u002Fnetwork\u002F12-axios","03.javascript\u002F02.network\u002F12-axios",{"title":2127,"icon":2128,"path":2129,"stem":2130,"children":2131,"page":59},"Bom","i-lucide-monitor","\u002Fjavascript\u002Fbom","03.javascript\u002F03.bom",[2132,2136,2140,2144],{"title":2133,"path":2134,"stem":2135},"LocalStorage, SessionStorage та patterns збереження даних","\u002Fjavascript\u002Fbom\u002F01-localstorage","03.javascript\u002F03.bom\u002F01-localstorage",{"title":2137,"path":2138,"stem":2139},"Location Object - Керування адресою сторінки","\u002Fjavascript\u002Fbom\u002F02-location-object","03.javascript\u002F03.bom\u002F02-location-object",{"title":2141,"path":2142,"stem":2143},"History API - Керування історією браузера","\u002Fjavascript\u002Fbom\u002F03-history-api","03.javascript\u002F03.bom\u002F03-history-api",{"title":2145,"path":2146,"stem":2147},"Navigator Object - Ідентифікація та Можливості Пристрою","\u002Fjavascript\u002Fbom\u002F04-navigator-object","03.javascript\u002F03.bom\u002F04-navigator-object",{"title":2149,"icon":2150,"path":2151,"stem":2152,"children":2153},"React","i-devicon-react","\u002Fjavascript\u002Freact","03.javascript\u002F04.react\u002Findex",[2154,2155,2159,2163,2167,2171,2234,2269,2421],{"title":2149,"path":2151,"stem":2152},{"title":2156,"path":2157,"stem":2158},"Робота з Формами в React","\u002Fjavascript\u002Freact\u002Freact-forms","03.javascript\u002F04.react\u002F01.react-forms",{"title":2160,"path":2161,"stem":2162},"React Hook Form: Професійна Робота з Формами","\u002Fjavascript\u002Freact\u002Freact-hook-form","03.javascript\u002F04.react\u002F02.react-hook-form",{"title":2164,"path":2165,"stem":2166},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","\u002Fjavascript\u002Freact\u002Freact-hook-form-new","03.javascript\u002F04.react\u002F02.react-hook-form-new",{"title":2168,"path":2169,"stem":2170},"Axios та React: Професійна Архітектура Запитів","\u002Fjavascript\u002Freact\u002Fdata-fetching-axios","03.javascript\u002F04.react\u002F03.data-fetching-axios",{"title":2172,"icon":132,"path":2173,"stem":2174,"children":2175},"Tanstack Query","\u002Fjavascript\u002Freact\u002Ftanstack-query","03.javascript\u002F04.react\u002F04.tanstack-query\u002Findex",[2176,2178,2182,2186,2190,2194,2198,2202,2206,2210,2214,2218,2222,2226,2230],{"title":2177,"path":2173,"stem":2174},"TanStack Query: Майстерність Керування Станом Сервера",{"title":2179,"path":2180,"stem":2181},"Парадигма Server State: Чому useEffect недостатньо","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-state-paradigm","03.javascript\u002F04.react\u002F04.tanstack-query\u002F01.server-state-paradigm",{"title":2183,"path":2184,"stem":2185},"Встановлення та Налаштування: Фундамент","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Finstallation-and-devtools","03.javascript\u002F04.react\u002F04.tanstack-query\u002F02.installation-and-devtools",{"title":2187,"path":2188,"stem":2189},"Основи Запитів та Магія Ключів","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fquery-basics-and-keys","03.javascript\u002F04.react\u002F04.tanstack-query\u002F03.query-basics-and-keys",{"title":2191,"path":2192,"stem":2193},"Синхронізація Даних: Життєвий Цикл Запиту","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fdata-synchronization","03.javascript\u002F04.react\u002F04.tanstack-query\u002F04.data-synchronization",{"title":2195,"path":2196,"stem":2197},"Мутації та Інвалідація: Зміна Даних","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fmutations-and-invalidation","03.javascript\u002F04.react\u002F04.tanstack-query\u002F05.mutations-and-invalidation",{"title":2199,"path":2200,"stem":2201},"Оптимістичні Оновлення: Швидше за Світло","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Foptimistic-updates","03.javascript\u002F04.react\u002F04.tanstack-query\u002F06.optimistic-updates",{"title":2203,"path":2204,"stem":2205},"Пагінація та Infinite Scroll","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fpagination-and-load-more","03.javascript\u002F04.react\u002F04.tanstack-query\u002F07.pagination-and-load-more",{"title":2207,"path":2208,"stem":2209},"Просунуті Патерни та Оптимізація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F04.tanstack-query\u002F08.advanced-patterns",{"title":2211,"path":2212,"stem":2213},"Архітектура та Best Practices","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Farchitecture-and-best-practices","03.javascript\u002F04.react\u002F04.tanstack-query\u002F09.architecture-and-best-practices",{"title":2215,"path":2216,"stem":2217},"Server-Side Rendering (SSR) та Гідратація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-side-rendering","03.javascript\u002F04.react\u002F04.tanstack-query\u002F10.server-side-rendering",{"title":2219,"path":2220,"stem":2221},"Стратегії Тестування","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Ftesting-strategies","03.javascript\u002F04.react\u002F04.tanstack-query\u002F11.testing-strategies",{"title":2223,"path":2224,"stem":2225},"Аутентифікація та Обробка Помилок","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fauthentication-and-errors","03.javascript\u002F04.react\u002F04.tanstack-query\u002F12.authentication-and-errors",{"title":2227,"path":2228,"stem":2229},"React Suspense та Майбутнє","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Freact-suspense","03.javascript\u002F04.react\u002F04.tanstack-query\u002F13.react-suspense",{"title":2231,"path":2232,"stem":2233},"Глибоке Занурення в Продуктивність","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fperformance-deep-dive","03.javascript\u002F04.react\u002F04.tanstack-query\u002F14.performance-deep-dive",{"title":2235,"icon":2150,"path":2236,"stem":2237,"children":2238},"React Router","\u002Fjavascript\u002Freact\u002Freact-router","03.javascript\u002F04.react\u002F05.react-router\u002Findex",[2239,2241,2245,2249,2253,2257,2261,2265],{"title":2240,"path":2236,"stem":2237},"React Router: Навігаційна система сучасного вебу",{"title":2242,"path":2243,"stem":2244},"Налаштування та Базовий Роутинг","\u002Fjavascript\u002Freact\u002Freact-router\u002Fsetup-and-basic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F01.setup-and-basic-routing",{"title":2246,"path":2247,"stem":2248},"Динамічна Навігація","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnavigation-and-links","03.javascript\u002F04.react\u002F05.react-router\u002F02.navigation-and-links",{"title":2250,"path":2251,"stem":2252},"Вкладені Маршрути та Макети","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnested-routes-and-layouts","03.javascript\u002F04.react\u002F05.react-router\u002F03.nested-routes-and-layouts",{"title":2254,"path":2255,"stem":2256},"Динамічні Маршрути та Параметри","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdynamic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F04.dynamic-routing",{"title":2258,"path":2259,"stem":2260},"Data APIs: Loaders та Actions","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdata-loading","03.javascript\u002F04.react\u002F05.react-router\u002F05.data-loading",{"title":2262,"path":2263,"stem":2264},"Просунуті Патерни","\u002Fjavascript\u002Freact\u002Freact-router\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F05.react-router\u002F06.advanced-patterns",{"title":2266,"path":2267,"stem":2268},"Legacy Routing: Компонентний підхід","\u002Fjavascript\u002Freact\u002Freact-router\u002Flegacy-routing","03.javascript\u002F04.react\u002F05.react-router\u002F07.legacy-routing",{"title":2270,"icon":132,"path":2271,"stem":2272,"children":2273},"Redux","\u002Fjavascript\u002Freact\u002Fredux","03.javascript\u002F04.react\u002F06.redux\u002Findex",[2274,2276,2292,2321,2330,2351,2367,2396],{"title":2275,"path":2271,"stem":2272},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2277,"stem":2278,"children":2279,"page":59},"\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals",[2280,2284,2288],{"title":2281,"path":2282,"stem":2283},"Вступ до State Management","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fintro-state-management","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F01.intro-state-management",{"title":2285,"path":2286,"stem":2287},"Філософія Redux та Три Принципи","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fredux-philosophy","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F02.redux-philosophy",{"title":2289,"path":2290,"stem":2291},"Чисті функції та Іммутабельність","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fpure-functions-immutability","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F03.pure-functions-immutability",{"title":2293,"icon":132,"path":2294,"stem":2295,"children":2296,"page":59},"Classic Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux",[2297,2301,2305,2309,2313,2317],{"title":2298,"path":2299,"stem":2300},"Створення Store (Classic Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fstore-setup","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F01.store-setup",{"title":2302,"path":2303,"stem":2304},"Actions, Constants та Action Creators","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Factions-constants","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F02.actions-constants",{"title":2306,"path":2307,"stem":2308},"Логіка Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freducers","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F03.reducers",{"title":2310,"path":2311,"stem":2312},"Комбінування Reducers (Root Reducer)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fdata-flow","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F04.data-flow",{"title":2314,"path":2315,"stem":2316},"Підключення до React (React-Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freact-redux-connection","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F05.react-redux-connection",{"title":2318,"path":2319,"stem":2320},"Middleware та Асинхронність (Redux Thunk)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fmiddleware-thunk","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F06.middleware-thunk",{"title":2322,"icon":132,"path":2323,"stem":2324,"children":2325,"page":59},"Transition To Rtk","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk",[2326],{"title":2327,"path":2328,"stem":2329},"Проблеми класичного Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk\u002Fproblems-with-classic","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk\u002F01.problems-with-classic",{"title":2331,"icon":132,"path":2332,"stem":2333,"children":2334,"page":59},"Redux Toolkit","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit",[2335,2339,2343,2347],{"title":2336,"path":2337,"stem":2338},"Налаштування Store з configureStore","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fconfigure-store","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F01.configure-store",{"title":2340,"path":2341,"stem":2342},"createSlice: Революція в Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fcreate-slice","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F02.create-slice",{"title":2344,"path":2345,"stem":2346},"Асинхронність з createAsyncThunk","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fasync-thunks","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F03.async-thunks",{"title":2348,"path":2349,"stem":2350},"04. Entity Adapter: Керування нормалізованим станом","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fentity-adapter","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F04.entity-adapter",{"title":2352,"icon":92,"path":2353,"stem":2354,"children":2355,"page":59},"Advanced","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced",[2356,2360,2364],{"title":2357,"path":2358,"stem":2359},"Мемоізація та Селектори: Повний Гайд по Reselect","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Fselectors-reselect","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F01.selectors-reselect",{"title":2361,"path":2362,"stem":2363},"RTK Query: Архітектура Серверного Кешу","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Frtk-query-intro","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F02.rtk-query-intro",{"title":2211,"path":2365,"stem":2366},"\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Farchitecture-best-practices","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F03.architecture-best-practices",{"title":2368,"icon":132,"path":2369,"stem":2370,"children":2371,"page":59},"Project Kanban","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban",[2372,2376,2380,2384,2388,2392],{"title":2373,"path":2374,"stem":2375},"Проєкт: Kanban Board (Trello Clone)","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fproject-overview","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F01.project-overview",{"title":2377,"path":2378,"stem":2379},"Налаштування та Типізація","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fsetup-and-types","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F02.setup-and-types",{"title":2381,"path":2382,"stem":2383},"Board Slice: Серце Дошки","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fboard-slice","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F03.board-slice",{"title":2385,"path":2386,"stem":2387},"Логіка Drag & Drop","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fdrag-and-drop-logic","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F04.drag-and-drop-logic",{"title":2389,"path":2390,"stem":2391},"Інтеграція з RTK Query","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Frtk-query-integration","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F05.rtk-query-integration",{"title":2393,"path":2394,"stem":2395},"Optimistic Updates","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Foptimistic-updates","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F06.optimistic-updates",{"title":2397,"icon":132,"path":2398,"stem":2399,"children":2400,"page":59},"Testing","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting","03.javascript\u002F04.react\u002F06.redux\u002F07.testing",[2401,2405,2409,2413,2417],{"title":2402,"path":2403,"stem":2404},"Тестування Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Fintro-testing","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F01.intro-testing",{"title":2406,"path":2407,"stem":2408},"Тестування Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-reducers","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F02.testing-reducers",{"title":2410,"path":2411,"stem":2412},"Тестування Селекторів","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-selectors","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F03.testing-selectors",{"title":2414,"path":2415,"stem":2416},"Тестування Компонентів (Integration)","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-components","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F04.testing-components",{"title":2418,"path":2419,"stem":2420},"Тестування Async Thunks","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-thunks","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F05.testing-thunks",{"title":2422,"icon":132,"path":2423,"stem":2424,"children":2425},"Ui Libraries","\u002Fjavascript\u002Freact\u002Fui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002Findex",[2426,2428,2432,2436,2440,2444,2448],{"title":2427,"path":2423,"stem":2424},"UI Бібліотеки в React",{"title":2429,"path":2430,"stem":2431},"Вступ до UI Бібліотек: Навіщо Винаходити Велосипед Двічі?","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fintroduction-to-ui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002F01.introduction-to-ui-libraries",{"title":2433,"path":2434,"stem":2435},"Філософія shadcn\u002Fui: \"Not a Component Library\"","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-philosophy","03.javascript\u002F04.react\u002F07.ui-libraries\u002F02.shadcn-philosophy",{"title":2437,"path":2438,"stem":2439},"Установка та Налаштування shadcn\u002Fui","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-installation","03.javascript\u002F04.react\u002F07.ui-libraries\u002F03.shadcn-installation",{"title":2441,"path":2442,"stem":2443},"Базові Компоненти shadcn\u002Fui: Фундамент Інтерфейсу","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-basics","03.javascript\u002F04.react\u002F07.ui-libraries\u002F04.shadcn-components-basics",{"title":2445,"path":2446,"stem":2447},"Компоненти Форм: Побудова Інтерактивних Form","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-forms","03.javascript\u002F04.react\u002F07.ui-libraries\u002F05.shadcn-components-forms",{"title":2449,"path":2450,"stem":2451},"Складні Компоненти: Dialog, Dropdown, Table та Command","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-advanced","03.javascript\u002F04.react\u002F07.ui-libraries\u002F06.shadcn-components-advanced",{"title":2453,"icon":2454,"path":2455,"stem":2456,"children":2457,"page":59},"TypeScript","i-devicon-typescript","\u002Fjavascript\u002Ftypescript","03.javascript\u002F05.typescript",[2458,2462,2466,2470,2474,2478,2482,2486],{"title":2459,"path":2460,"stem":2461},"TypeScript: Броня для вашого коду","\u002Fjavascript\u002Ftypescript\u002Fintro-and-basic-types","03.javascript\u002F05.typescript\u002F01.intro-and-basic-types",{"title":2463,"path":2464,"stem":2465},"Майстерність Моделювання Даних: Інтерфейси та Просунуті Типи","\u002Fjavascript\u002Ftypescript\u002Finterfaces-and-advanced-types","03.javascript\u002F05.typescript\u002F02.interfaces-and-advanced-types",{"title":2467,"path":2468,"stem":2469},"Алхімія Типів: Generics та Utility Types","\u002Fjavascript\u002Ftypescript\u002Fgenerics-and-utilities","03.javascript\u002F05.typescript\u002F03.generics-and-utilities",{"title":2471,"path":2472,"stem":2473},"Архітектура та Шаблони: Класи в TypeScript","\u002Fjavascript\u002Ftypescript\u002Fclasses-and-oop","03.javascript\u002F05.typescript\u002F04.classes-and-oop",{"title":2475,"path":2476,"stem":2477},"Продакшн та Екосистема: Advanced Config & Workflow","\u002Fjavascript\u002Ftypescript\u002Fadvanced-patterns-and-config","03.javascript\u002F05.typescript\u002F05.advanced-patterns-and-config",{"title":2479,"path":2480,"stem":2481},"TypeScript у світі React","\u002Fjavascript\u002Ftypescript\u002Freact-basics","03.javascript\u002F05.typescript\u002F06.react-basics",{"title":2483,"path":2484,"stem":2485},"React + TypeScript: Продвинуті патерни","\u002Fjavascript\u002Ftypescript\u002Freact-advanced","03.javascript\u002F05.typescript\u002F07.react-advanced",{"title":2487,"path":2488,"stem":2489},"React + TypeScript: Екосистема та бібліотеки","\u002Fjavascript\u002Ftypescript\u002Freact-ecosystem","03.javascript\u002F05.typescript\u002F08.react-ecosystem",{"title":2491,"icon":2492,"path":2493,"stem":2494,"children":2495,"page":59},"Асинхронність","i-lucide-refresh-cw","\u002Fjavascript\u002Fasync-programming","03.javascript\u002F06.async-programming",[2496,2500,2504],{"title":2497,"path":2498,"stem":2499},"Event Loop: серце асинхронності в JavaScript","\u002Fjavascript\u002Fasync-programming\u002Fevent-loop-fundamentals","03.javascript\u002F06.async-programming\u002F01.event-loop-fundamentals",{"title":2501,"path":2502,"stem":2503},"Task Queue та Microtask Queue: пріоритети виконання","\u002Fjavascript\u002Fasync-programming\u002Ftask-queues","03.javascript\u002F06.async-programming\u002F02.task-queues",{"title":2505,"path":2506,"stem":2507},"Асинхронні патерни: від Callbacks до Async\u002FAwait","\u002Fjavascript\u002Fasync-programming\u002Fasync-patterns","03.javascript\u002F06.async-programming\u002F03.async-patterns",{"title":2509,"path":2510,"stem":2511},"Atomic Design","\u002Fjavascript\u002Fatomic-design","03.javascript\u002F2.atomic-design",{"title":2513,"icon":2514,"path":2515,"stem":2516,"children":2517,"page":59},"Java","i-devicon-java","\u002Fjava","04.java",[2518,2521,2524,2528,2532,2536,2540],{"title":162,"path":2519,"stem":2520},"\u002Fjava\u002Fdata-mapper-part1","04.java\u002F01.data-mapper-part1",{"title":166,"path":2522,"stem":2523},"\u002Fjava\u002Fdata-mapper-part2","04.java\u002F02.data-mapper-part2",{"title":2525,"path":2526,"stem":2527},"Service Layer: Організація бізнес-логіки","\u002Fjava\u002Fservice-layer","04.java\u002F03.service-layer",{"title":2529,"path":2530,"stem":2531},"Rich Domain Model та State Pattern","\u002Fjava\u002Frich-domain-model","04.java\u002F04.rich-domain-model",{"title":2533,"path":2534,"stem":2535},"Патерни для складної бізнес-логіки","\u002Fjava\u002Fbusiness-logic-patterns","04.java\u002F05.business-logic-patterns",{"title":2537,"path":2538,"stem":2539},"Обробка помилок та валідація","\u002Fjava\u002Ferror-handling-validation","04.java\u002F06.error-handling-validation",{"title":2541,"path":2542,"stem":2543,"children":2544,"page":59},"Проектування баз даних","\u002Fjava\u002Fpr2","04.java\u002Fpr2",[2545,2549,2553,2557,2561,2565,2569,2573,2577,2581,2585,2589,2593,2597,2601,2605,2609,2613,2617,2621,2625,2629,2633,2637,2641,2645,2649,2653,2657,2661,2665,2669,2673,2677,2681,2685,2689],{"title":2546,"path":2547,"stem":2548},"Концептуальне моделювання: Мистецтво розуміння предметної області","\u002Fjava\u002Fpr2\u002Fconceptual-modeling","04.java\u002Fpr2\u002F01.conceptual-modeling",{"title":2550,"path":2551,"stem":2552},"Логічне моделювання: Від бізнес-ідей до структур даних","\u002Fjava\u002Fpr2\u002Flogical-modeling","04.java\u002Fpr2\u002F02.logical-modeling",{"title":2554,"path":2555,"stem":2556},"Нормалізація: Гігієна даних та боротьба з аномаліями","\u002Fjava\u002Fpr2\u002Fnormalization","04.java\u002Fpr2\u002F03.normalization",{"title":2558,"path":2559,"stem":2560},"Фізична схема: Від абстракції до DDL","\u002Fjava\u002Fpr2\u002Fphysical-schema","04.java\u002Fpr2\u002F04.physical-schema",{"title":2562,"path":2563,"stem":2564},"Архітектурна класифікація таблиць","\u002Fjava\u002Fpr2\u002Ftable-classification","04.java\u002Fpr2\u002F05.table-classification",{"title":2566,"path":2567,"stem":2568},"Database Migrations: Версіонування схеми з Flyway","\u002Fjava\u002Fpr2\u002Fdatabase-migrations","04.java\u002Fpr2\u002F06.database-migrations",{"title":2570,"path":2571,"stem":2572},"А що, якби це була не реляційна БД?","\u002Fjava\u002Fpr2\u002Fbeyond-relational","04.java\u002Fpr2\u002F07.beyond-relational",{"title":2574,"path":2575,"stem":2576},"Object-Relational Impedance Mismatch: Два світи, що не хочуть дружити","\u002Fjava\u002Fpr2\u002Fimpedance-mismatch","04.java\u002Fpr2\u002F09.impedance-mismatch",{"title":2578,"path":2579,"stem":2580},"JDBC: Перший контакт із базою даних","\u002Fjava\u002Fpr2\u002Fjdbc-fundamentals","04.java\u002Fpr2\u002F10.jdbc-fundamentals",{"title":2582,"path":2583,"stem":2584},"Якість коду: Spotless, SpotBugs та SonarQube","\u002Fjava\u002Fpr2\u002F10a.code-quality","04.java\u002Fpr2\u002F10a.code-quality",{"title":2586,"path":2587,"stem":2588},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","\u002Fjava\u002Fpr2\u002Fconnection-pool","04.java\u002Fpr2\u002F11.connection-pool",{"title":2590,"path":2591,"stem":2592},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","\u002Fjava\u002Fpr2\u002Frow-data-gateway","04.java\u002Fpr2\u002F12.row-data-gateway",{"title":2594,"path":2595,"stem":2596},"Table Data Gateway: Фасад таблиці як архітектурний відступ","\u002Fjava\u002Fpr2\u002Ftable-data-gateway","04.java\u002Fpr2\u002F13.table-data-gateway",{"title":2598,"path":2599,"stem":2600},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","\u002Fjava\u002Fpr2\u002Frepository-data-mapper","04.java\u002Fpr2\u002F14.repository-data-mapper",{"title":2602,"path":2603,"stem":2604},"Identity Map: Кешування сутностей у рамках сесії","\u002Fjava\u002Fpr2\u002Fidentity-map","04.java\u002Fpr2\u002F15.identity-map",{"title":2606,"path":2607,"stem":2608},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","\u002Fjava\u002Fpr2\u002Funit-of-work","04.java\u002Fpr2\u002F16.unit-of-work",{"title":2610,"path":2611,"stem":2612},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","\u002Fjava\u002Fpr2\u002Fstrategy-sql","04.java\u002Fpr2\u002F17.strategy-sql",{"title":2614,"path":2615,"stem":2616},"Proxy: Lazy Loading для One-To-Many колекцій","\u002Fjava\u002Fpr2\u002Fproxy-lazy-loading","04.java\u002Fpr2\u002F18.proxy-lazy-loading",{"title":2618,"path":2619,"stem":2620},"Generic Repository через Java Reflection: анотації та динамічний SQL","\u002Fjava\u002Fpr2\u002Fgeneric-repository-reflection","04.java\u002Fpr2\u002F19.generic-repository-reflection",{"title":2622,"path":2623,"stem":2624},"Specification Pattern: Композиція бізнес-правил для складних запитів","\u002Fjava\u002Fpr2\u002Fspecification-pattern","04.java\u002Fpr2\u002F20.specification-pattern",{"title":2626,"path":2627,"stem":2628},"Розширені можливості Specification Pattern: підзапити, агрегації та гібридний підхід","\u002Fjava\u002Fpr2\u002F20a.advanced-specifications","04.java\u002Fpr2\u002F20a.advanced-specifications",{"title":2630,"path":2631,"stem":2632},"Асинхронність у JDBC: Від блокуючих викликів до CompletableFuture","\u002Fjava\u002Fpr2\u002Fasynchronous-jdbc","04.java\u002Fpr2\u002F21.asynchronous-jdbc",{"title":2634,"path":2635,"stem":2636},"Інтеграційне тестування JDBC-репозиторіїв: Embedded H2 та патерн AAA","\u002Fjava\u002Fpr2\u002Fintegration-testing-h2","04.java\u002Fpr2\u002F22.integration-testing-h2",{"title":2638,"path":2639,"stem":2640},"Testcontainers: Тестування з реальною PostgreSQL у Docker-контейнерах","\u002Fjava\u002Fpr2\u002Fintegration-testing-testcontainers","04.java\u002Fpr2\u002F23.integration-testing-testcontainers",{"title":2642,"path":2643,"stem":2644},"Google Guice: Впровадження залежностей у JavaFX-проєкті","\u002Fjava\u002Fpr2\u002Fdependency-injection-guice","04.java\u002Fpr2\u002F24.dependency-injection-guice",{"title":2646,"path":2647,"stem":2648},"JavaFX: Основи побудови графічних інтерфейсів","\u002Fjava\u002Fpr2\u002Fjavafx-fundamentals","04.java\u002Fpr2\u002F25.javafx-fundamentals",{"title":2650,"path":2651,"stem":2652},"Properties та Bindings: Реактивність у JavaFX","\u002Fjava\u002Fpr2\u002Fjavafx-properties-bindings","04.java\u002Fpr2\u002F26.javafx-properties-bindings",{"title":2654,"path":2655,"stem":2656},"MVC vs MVP vs MVVM: Еволюція архітектурних патернів UI","\u002Fjava\u002Fpr2\u002Fui-architecture-patterns","04.java\u002Fpr2\u002F27.ui-architecture-patterns",{"title":2658,"path":2659,"stem":2660},"MVVM на практиці: Побудова ViewModel","\u002Fjava\u002Fpr2\u002Fmvvm-viewmodel-implementation","04.java\u002Fpr2\u002F28.mvvm-viewmodel-implementation",{"title":2662,"path":2663,"stem":2664},"View та Controller: Зв'язування з ViewModel через FXML","\u002Fjava\u002Fpr2\u002Fmvvm-view-controller","04.java\u002Fpr2\u002F29.mvvm-view-controller",{"title":2666,"path":2667,"stem":2668},"Інтеграція MVVM з Guice: Автоматична ін'єкція залежностей","\u002Fjava\u002Fpr2\u002Fmvvm-guice-integration","04.java\u002Fpr2\u002F30.mvvm-guice-integration",{"title":2670,"path":2671,"stem":2672},"Валідація та обробка помилок у MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-validation-error-handling","04.java\u002Fpr2\u002F31.mvvm-validation-error-handling",{"title":2674,"path":2675,"stem":2676},"Навігація та управління екранами у JavaFX MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-navigation-screen-management","04.java\u002Fpr2\u002F32.mvvm-navigation-screen-management",{"title":2678,"path":2679,"stem":2680},"Тестування JavaFX MVVM-додатків","\u002Fjava\u002Fpr2\u002Fmvvm-testing","04.java\u002Fpr2\u002F33.mvvm-testing",{"title":2682,"path":2683,"stem":2684},"Стилізація та теми у JavaFX: CSS та User Experience","\u002Fjava\u002Fpr2\u002Fjavafx-styling-themes","04.java\u002Fpr2\u002F34.javafx-styling-themes",{"title":2686,"path":2687,"stem":2688},"AtlantaFX: Сучасні теми для JavaFX додатків","\u002Fjava\u002Fpr2\u002Fatlantafx-modern-themes","04.java\u002Fpr2\u002F35.atlantafx-modern-themes",{"title":2690,"path":2691,"stem":2692},"Пакування та розповсюдження JavaFX-додатків","\u002Fjava\u002Fpr2\u002Fjar-packaging-distribution","04.java\u002Fpr2\u002F36.jar-packaging-distribution",{"title":2694,"icon":2695,"path":2696,"stem":2697,"children":2698,"page":59},"Python","i-devicon-python","\u002Fpython","05.python",[2699,2703,2706,2710,2714,2718,2722,2726,2730,2734,2738,2742,2746,2750,2754,2815],{"title":2700,"path":2701,"stem":2702},"Модулі, Пакети та Віртуальні Середовища","\u002Fpython\u002Fmodules-packages-venv","05.python\u002F00.modules-packages-venv",{"title":71,"path":2704,"stem":2705},"\u002Fpython\u002Fclasses-objects","05.python\u002F01.classes-objects",{"title":2707,"path":2708,"stem":2709},"Інкапсуляція, Керування Доступом та Властивості","\u002Fpython\u002Fencapsulation","05.python\u002F02.encapsulation",{"title":2711,"path":2712,"stem":2713},"Наслідування, MRO та суперсила super()","\u002Fpython\u002Finheritance-mro","05.python\u002F03.inheritance-mro",{"title":2715,"path":2716,"stem":2717},"Абстракція — ABC проти Статичних Протоколів (PEP 544)","\u002Fpython\u002Fabstraction-protocols","05.python\u002F04.abstraction-protocols",{"title":2719,"path":2720,"stem":2721},"Магічні методи (Dunder) та Емуляція протоколів","\u002Fpython\u002Fdunder-methods","05.python\u002F05.dunder-methods",{"title":2723,"path":2724,"stem":2725},"Декоратори та Керування життєвим циклом методів","\u002Fpython\u002Fdecorators-static-class","05.python\u002F06.decorators-static-class",{"title":2727,"path":2728,"stem":2729},"Дескриптори — Магія доступу до атрибутів","\u002Fpython\u002Fdescriptors","05.python\u002F07.descriptors",{"title":2731,"path":2732,"stem":2733},"Метакласи — Динамічне створення класів під капотом CPython","\u002Fpython\u002Fmetaclasses","05.python\u002F08.metaclasses",{"title":2735,"path":2736,"stem":2737},"Dataclasses, NamedTuple та сучасні контейнери Python","\u002Fpython\u002Fmodern-containers","05.python\u002F09.modern-containers",{"title":2739,"path":2740,"stem":2741},"GIL та модель конкурентності CPython — фундамент перед потоками і процесами","\u002Fpython\u002Fgil-concurrency-intro","05.python\u002F11.gil-concurrency-intro",{"title":2743,"path":2744,"stem":2745},"Threading — конкурентність для I\u002FO-bound задач","\u002Fpython\u002Fthreading","05.python\u002F12.threading",{"title":2747,"path":2748,"stem":2749},"Multiprocessing — справжній паралелізм для CPU-bound задач","\u002Fpython\u002Fmultiprocessing","05.python\u002F13.multiprocessing",{"title":2751,"path":2752,"stem":2753},"asyncio — кооперативна конкурентність та event loop","\u002Fpython\u002Fasyncio","05.python\u002F14.asyncio",{"title":2755,"icon":92,"path":2756,"stem":2757,"children":2758,"page":59},"FastAPI","\u002Fpython\u002Ffastapi","05.python\u002Ffastapi",[2759,2763,2767,2771,2775,2779,2783,2787,2791,2795,2799,2803,2807,2811],{"title":2760,"path":2761,"stem":2762},"Глибокий Typing та Pydantic v2 — від анотацій до валідації","\u002Fpython\u002Ffastapi\u002Ftyping-pydantic","05.python\u002Ffastapi\u002F15.typing-pydantic",{"title":2764,"path":2765,"stem":2766},"WSGI, ASGI та Python Web-екосистема","\u002Fpython\u002Ffastapi\u002Fwsgi-asgi-ecosystem","05.python\u002Ffastapi\u002F16.wsgi-asgi-ecosystem",{"title":2768,"path":2769,"stem":2770},"FastAPI: Перший додаток, Uvicorn та OpenAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-intro","05.python\u002Ffastapi\u002F17.fastapi-intro",{"title":2772,"path":2773,"stem":2774},"Маршрутизація, параметри запитів та APIRouter","\u002Fpython\u002Ffastapi\u002Ffastapi-routing-params","05.python\u002Ffastapi\u002F18.fastapi-routing-params",{"title":2776,"path":2777,"stem":2778},"Pydantic v2 у FastAPI — схеми, валідація та серіалізація","\u002Fpython\u002Ffastapi\u002Ffastapi-pydantic-schemas","05.python\u002Ffastapi\u002F19.fastapi-pydantic-schemas",{"title":2780,"path":2781,"stem":2782},"Dependency Injection — серце архітектури FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-dependency-injection","05.python\u002Ffastapi\u002F20.fastapi-dependency-injection",{"title":2784,"path":2785,"stem":2786},"Обробка помилок, Middleware та CORS у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-errors-middleware","05.python\u002Ffastapi\u002F21.fastapi-errors-middleware",{"title":2788,"path":2789,"stem":2790},"SQLAlchemy 2.0 — ORM, Core та Async Engine","\u002Fpython\u002Ffastapi\u002Fsqlalchemy-orm","05.python\u002Ffastapi\u002F22.sqlalchemy-orm",{"title":2792,"path":2793,"stem":2794},"Alembic — міграції бази даних","\u002Fpython\u002Ffastapi\u002Falembic-migrations","05.python\u002Ffastapi\u002F23.alembic-migrations",{"title":2796,"path":2797,"stem":2798},"Repository Pattern та Clean Architecture у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-repository-clean-arch","05.python\u002Ffastapi\u002F24.fastapi-repository-clean-arch",{"title":2800,"path":2801,"stem":2802},"Автентифікація та авторизація — JWT, OAuth2, RBAC","\u002Fpython\u002Ffastapi\u002Ffastapi-auth-security","05.python\u002Ffastapi\u002F25.fastapi-auth-security",{"title":2804,"path":2805,"stem":2806},"Тестування FastAPI — pytest, httpx, fixtures","\u002Fpython\u002Ffastapi\u002Ffastapi-testing","05.python\u002Ffastapi\u002F26.fastapi-testing",{"title":2808,"path":2809,"stem":2810},"Async на повну — Background Tasks, WebSockets, SSE та Celery","\u002Fpython\u002Ffastapi\u002Ffastapi-async-advanced","05.python\u002Ffastapi\u002F27.fastapi-async-advanced",{"title":2812,"path":2813,"stem":2814},"Deployment — Docker, CI\u002FCD, Monitoring","\u002Fpython\u002Ffastapi\u002Ffastapi-deployment","05.python\u002Ffastapi\u002F28.fastapi-deployment",{"title":2816,"path":2817,"stem":2818},"[object Object]","\u002Fpython\u002Foop-plan","05.python\u002Foop-plan",{"title":2820,"icon":2821,"path":2822,"stem":2823,"children":2824,"page":59},"Бази даних","i-lucide-database","\u002Fdatabases","06.databases",[2825,2855,2878,2915,2944,2962,2996,3008,3017],{"title":2826,"icon":2827,"path":2828,"stem":2829,"children":2830,"page":59},"Intro","i-lucide-play","\u002Fdatabases\u002Fintro","06.databases\u002F01.intro",[2831,2835,2839,2843,2847,2851],{"title":2832,"path":2833,"stem":2834},"Введення в теорію баз даних","\u002Fdatabases\u002Fintro\u002Fintroduction-to-databases","06.databases\u002F01.intro\u002F01.introduction-to-databases",{"title":2836,"path":2837,"stem":2838},"Реляційна модель даних","\u002Fdatabases\u002Fintro\u002Frelational-model-theory","06.databases\u002F01.intro\u002F02.relational-model-theory",{"title":2840,"path":2841,"stem":2842},"ER-моделювання","\u002Fdatabases\u002Fintro\u002Fer-modeling","06.databases\u002F01.intro\u002F03.er-modeling",{"title":2844,"path":2845,"stem":2846},"Логічне проектування БД","\u002Fdatabases\u002Fintro\u002Flogical-schema","06.databases\u002F01.intro\u002F04.logical-schema",{"title":2848,"path":2849,"stem":2850},"Класифікація таблиць","\u002Fdatabases\u002Fintro\u002Ftable-classification","06.databases\u002F01.intro\u002F05.table-classification",{"title":2852,"path":2853,"stem":2854},"PlantUML для баз даних","\u002Fdatabases\u002Fintro\u002Fplantuml-diagrams","06.databases\u002F01.intro\u002F06.plantuml-diagrams",{"title":2856,"icon":2821,"path":2857,"stem":2858,"children":2859,"page":59},"MS SQL Server Start","\u002Fdatabases\u002Fms-sql-server-start","06.databases\u002F02.ms-sql-server-start",[2860,2864,2870,2874],{"title":2861,"path":2862,"stem":2863},"Типи даних у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fdata-types","06.databases\u002F02.ms-sql-server-start\u002F01.data-types",{"title":2865,"path":2866,"stem":2867,"children":2868},"Індекси у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-indexes","06.databases\u002F02.ms-sql-server-start\u002F02.sql-indexes",[2869],{"title":2865,"path":2866,"stem":2867},{"title":2871,"path":2872,"stem":2873},"Системні бази даних MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsystem-databases","06.databases\u002F02.ms-sql-server-start\u002F03.system-databases",{"title":2875,"path":2876,"stem":2877},"Огляд мови SQL та запитів","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-queries-overview","06.databases\u002F02.ms-sql-server-start\u002F04.sql-queries-overview",{"title":2879,"icon":2821,"path":2880,"stem":2881,"children":2882,"page":59},"SQL","\u002Fdatabases\u002Fsql","06.databases\u002F03.sql",[2883,2887,2891,2895,2899,2903,2907,2911],{"title":2884,"path":2885,"stem":2886},"Налаштування демонстраційної бази даних","\u002Fdatabases\u002Fsql\u002Fsample-database-setup","06.databases\u002F03.sql\u002F00.sample-database-setup",{"title":2888,"path":2889,"stem":2890},"DDL - Створення таблиць (CREATE TABLE)","\u002Fdatabases\u002Fsql\u002Fddl-create-table","06.databases\u002F03.sql\u002F01.ddl-create-table",{"title":2892,"path":2893,"stem":2894},"DDL - Зміна та видалення таблиць (ALTER, DROP)","\u002Fdatabases\u002Fsql\u002Fddl-alter-drop-table","06.databases\u002F03.sql\u002F02.ddl-alter-drop-table",{"title":2896,"path":2897,"stem":2898},"SELECT запити - Основи","\u002Fdatabases\u002Fsql\u002Fselect-queries-fundamentals","06.databases\u002F03.sql\u002F03.select-queries-fundamentals",{"title":2900,"path":2901,"stem":2902},"SELECT запити - Розширені можливості","\u002Fdatabases\u002Fsql\u002Fselect-queries-advanced","06.databases\u002F03.sql\u002F04.select-queries-advanced",{"title":2904,"path":2905,"stem":2906},"INSERT запити - Додавання даних","\u002Fdatabases\u002Fsql\u002Finsert-queries","06.databases\u002F03.sql\u002F05.insert-queries",{"title":2908,"path":2909,"stem":2910},"UPDATE та DELETE запити","\u002Fdatabases\u002Fsql\u002Fupdate-delete-queries","06.databases\u002F03.sql\u002F06.update-delete-queries",{"title":2912,"path":2913,"stem":2914},"Транзакції в SQL","\u002Fdatabases\u002Fsql\u002Ftransactions","06.databases\u002F03.sql\u002F07.transactions",{"title":2916,"icon":2821,"path":2917,"stem":2918,"children":2919,"page":59},"Multi Table Databases","\u002Fdatabases\u002Fmulti-table-databases","06.databases\u002F04.multi-table-databases",[2920,2924,2928,2932,2936,2940],{"title":2921,"path":2922,"stem":2923},"Зв'язки та нормалізація БД","\u002Fdatabases\u002Fmulti-table-databases\u002Frelationships-and-normalization","06.databases\u002F04.multi-table-databases\u002F00.relationships-and-normalization",{"title":2925,"path":2926,"stem":2927},"INNER JOIN - З'єднання таблиць","\u002Fdatabases\u002Fmulti-table-databases\u002Finner-join","06.databases\u002F04.multi-table-databases\u002F01.inner-join",{"title":2929,"path":2930,"stem":2931},"OUTER JOINs - LEFT, RIGHT, FULL","\u002Fdatabases\u002Fmulti-table-databases\u002Fouter-joins","06.databases\u002F04.multi-table-databases\u002F02.outer-joins",{"title":2933,"path":2934,"stem":2935},"CROSS та SELF JOINs","\u002Fdatabases\u002Fmulti-table-databases\u002Fcross-self-joins","06.databases\u002F04.multi-table-databases\u002F03.cross-self-joins",{"title":2937,"path":2938,"stem":2939},"Підзапити (Subqueries)","\u002Fdatabases\u002Fmulti-table-databases\u002Fsubqueries","06.databases\u002F04.multi-table-databases\u002F04.subqueries",{"title":2941,"path":2942,"stem":2943},"Агрегації з JOIN","\u002Fdatabases\u002Fmulti-table-databases\u002Faggregations-with-joins","06.databases\u002F04.multi-table-databases\u002F05.aggregations-with-joins",{"title":2945,"icon":2946,"path":2947,"stem":2948,"children":2949,"page":59},"Aggregate Functions","i-lucide-calculator","\u002Fdatabases\u002Faggregate-functions","06.databases\u002F05.aggregate-functions",[2950,2954,2958],{"title":2951,"path":2952,"stem":2953},"Функції агрегування в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fintroduction-aggregate-functions","06.databases\u002F05.aggregate-functions\u002F01.introduction-aggregate-functions",{"title":2955,"path":2956,"stem":2957},"Групування даних в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fgrouping-data","06.databases\u002F05.aggregate-functions\u002F02.grouping-data",{"title":2959,"path":2960,"stem":2961},"Підзапити з агрегатними функціями","\u002Fdatabases\u002Faggregate-functions\u002Fsubqueries-aggregates","06.databases\u002F05.aggregate-functions\u002F03.subqueries-aggregates",{"title":2963,"icon":2964,"path":2965,"stem":2966,"children":2967,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","\u002Fdatabases\u002Ftriggers-stored-procedures","06.databases\u002F07.triggers-stored-procedures",[2968,2972,2976,2980,2984,2988,2992],{"title":2969,"path":2970,"stem":2971},"DML-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fdml-triggers","06.databases\u002F07.triggers-stored-procedures\u002F01.dml-triggers",{"title":2973,"path":2974,"stem":2975},"DDL-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fddl-triggers","06.databases\u002F07.triggers-stored-procedures\u002F02.ddl-triggers",{"title":2977,"path":2978,"stem":2979},"Transact-SQL розширення","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransact-sql-extensions","06.databases\u002F07.triggers-stored-procedures\u002F03.transact-sql-extensions",{"title":2981,"path":2982,"stem":2983},"Транзакції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransactions","06.databases\u002F07.triggers-stored-procedures\u002F04.transactions",{"title":2985,"path":2986,"stem":2987},"Зберігаємі процедури","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fstored-procedures","06.databases\u002F07.triggers-stored-procedures\u002F05.stored-procedures",{"title":2989,"path":2990,"stem":2991},"Користувацькі функції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fuser-defined-functions","06.databases\u002F07.triggers-stored-procedures\u002F06.user-defined-functions",{"title":2993,"path":2994,"stem":2995},"Безпека баз даних","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fsecurity","06.databases\u002F07.triggers-stored-procedures\u002F08.security",{"title":2993,"icon":793,"path":2997,"stem":2998,"children":2999,"page":59},"\u002Fdatabases\u002Fsecurity","06.databases\u002F08.security",[3000,3004],{"title":3001,"path":3002,"stem":3003},"Вступ до безпеки баз даних","\u002Fdatabases\u002Fsecurity\u002Fintroduction","06.databases\u002F08.security\u002F01.introduction",{"title":3005,"path":3006,"stem":3007},"Системні представлення та метадані","\u002Fdatabases\u002Fsecurity\u002Fsystem-views","06.databases\u002F08.security\u002F02.system-views",{"title":3009,"icon":3010,"path":3011,"stem":3012,"children":3013,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","\u002Fdatabases\u002Fbackup-recovery","06.databases\u002F09.backup-recovery",[3014],{"title":3009,"path":3015,"stem":3016},"\u002Fdatabases\u002Fbackup-recovery\u002Fbackup-restore","06.databases\u002F09.backup-recovery\u002F01.backup-restore",{"title":3018,"icon":3019,"path":3020,"stem":3021,"children":3022,"page":59},"Повнотекстовий пошук","i-lucide-search","\u002Fdatabases\u002Ffull-text-search","06.databases\u002F10.full-text-search",[3023],{"title":3018,"path":3024,"stem":3025},"\u002Fdatabases\u002Ffull-text-search\u002Ffull-text-search","06.databases\u002F10.full-text-search\u002F01.full-text-search",{"title":3027,"icon":3028,"path":3029,"stem":3030,"children":3031,"page":59},"Tools","i-lucide-wrench","\u002Ftools","07.tools",[3032,3108],{"title":3033,"icon":3034,"path":3035,"stem":3036,"children":3037},"Docker","i-simple-icons-docker","\u002Ftools\u002Fdocker","07.tools\u002F01.docker\u002Findex",[3038,3040,3044,3048,3052,3056,3060,3064,3068,3072,3076,3080,3084,3088,3092,3096,3100,3104],{"title":3039,"path":3035,"stem":3036},"Docker: від нуля до production",{"title":3041,"path":3042,"stem":3043},"Контейнеризація — від проблеми до рішення","\u002Ftools\u002Fdocker\u002Fcontainerization-concept","07.tools\u002F01.docker\u002F01.containerization-concept",{"title":3045,"path":3046,"stem":3047},"Docker — що це і навіщо?","\u002Ftools\u002Fdocker\u002Fdocker-what-and-why","07.tools\u002F01.docker\u002F02.docker-what-and-why",{"title":3049,"path":3050,"stem":3051},"Архітектура Docker Engine","\u002Ftools\u002Fdocker\u002Fdocker-architecture","07.tools\u002F01.docker\u002F03.docker-architecture",{"title":3053,"path":3054,"stem":3055},"Встановлення Docker","\u002Ftools\u002Fdocker\u002Finstallation","07.tools\u002F01.docker\u002F04.installation",{"title":3057,"path":3058,"stem":3059},"Перший контейнер — docker run","\u002Ftools\u002Fdocker\u002Ffirst-container","07.tools\u002F01.docker\u002F05.first-container",{"title":3061,"path":3062,"stem":3063},"Життєвий цикл контейнера","\u002Ftools\u002Fdocker\u002Fcontainer-lifecycle","07.tools\u002F01.docker\u002F06.container-lifecycle",{"title":3065,"path":3066,"stem":3067},"Docker Images — фундаментальні концепції","\u002Ftools\u002Fdocker\u002Fdocker-images-fundamentals","07.tools\u002F01.docker\u002F07.docker-images-fundamentals",{"title":3069,"path":3070,"stem":3071},"Dockerfile — основи","\u002Ftools\u002Fdocker\u002Fdockerfile-basics","07.tools\u002F01.docker\u002F08.dockerfile-basics",{"title":3073,"path":3074,"stem":3075},"Dockerfile — просунуті техніки","\u002Ftools\u002Fdocker\u002Fdockerfile-advanced","07.tools\u002F01.docker\u002F09.dockerfile-advanced",{"title":3077,"path":3078,"stem":3079},"Build Context та кешування шарів","\u002Ftools\u002Fdocker\u002Fbuild-context-and-cache","07.tools\u002F01.docker\u002F10.build-context-and-cache",{"title":3081,"path":3082,"stem":3083},"Реєстри Docker-образів","\u002Ftools\u002Fdocker\u002Fimage-registries","07.tools\u002F01.docker\u002F11.image-registries",{"title":3085,"path":3086,"stem":3087},"Контейнеризація .NET додатків","\u002Ftools\u002Fdocker\u002Fdotnet-containerization","07.tools\u002F01.docker\u002F12.dotnet-containerization",{"title":3089,"path":3090,"stem":3091},"Томи та збереження даних","\u002Ftools\u002Fdocker\u002Fvolumes-and-data","07.tools\u002F01.docker\u002F13.volumes-and-data",{"title":3093,"path":3094,"stem":3095},"Основи мережі в Docker","\u002Ftools\u002Fdocker\u002Fnetworking-basics","07.tools\u002F01.docker\u002F14.networking-basics",{"title":3097,"path":3098,"stem":3099},"Змінні оточення та конфігурація","\u002Ftools\u002Fdocker\u002Fenvironment-and-configuration","07.tools\u002F01.docker\u002F15.environment-and-configuration",{"title":3101,"path":3102,"stem":3103},"Docker Compose — оркестрація контейнерів","\u002Ftools\u002Fdocker\u002Fdocker-compose-basics","07.tools\u002F01.docker\u002F16.docker-compose-basics",{"title":3105,"path":3106,"stem":3107},"Docker Compose — Multi-Service застосунки","\u002Ftools\u002Fdocker\u002Fcompose-multi-service","07.tools\u002F01.docker\u002F17.compose-multi-service",{"title":3109,"icon":3110,"path":3111,"stem":3112,"children":3113},"Kubernetes","simple-icons:kubernetes","\u002Ftools\u002Fkubernetes","07.tools\u002F02.kubernetes\u002Findex",[3114,3116,3120,3124,3128,3132,3136,3140,3144],{"title":3115,"path":3111,"stem":3112},"Kubernetes: від розробки до production",{"title":3117,"path":3118,"stem":3119},"Kubernetes — коли Docker Compose більше не вистачає","\u002Ftools\u002Fkubernetes\u002Fwhy-kubernetes","07.tools\u002F02.kubernetes\u002F01.why-kubernetes",{"title":3121,"path":3122,"stem":3123},"Архітектура Kubernetes — анатомія кластера","\u002Ftools\u002Fkubernetes\u002Fkubernetes-architecture","07.tools\u002F02.kubernetes\u002F02.kubernetes-architecture",{"title":3125,"path":3126,"stem":3127},"Локальне середовище — minikube, kind та k3s","\u002Ftools\u002Fkubernetes\u002Flocal-environment","07.tools\u002F02.kubernetes\u002F03.local-environment",{"title":3129,"path":3130,"stem":3131},"Pod — атомарна одиниця Kubernetes","\u002Ftools\u002Fkubernetes\u002Fpods-and-containers","07.tools\u002F02.kubernetes\u002F04.pods-and-containers",{"title":3133,"path":3134,"stem":3135},"Патерни використання Pod","\u002Ftools\u002Fkubernetes\u002Fpod-patterns","07.tools\u002F02.kubernetes\u002F05.pod-patterns",{"title":3137,"path":3138,"stem":3139},"Deployment — декларативне управління Pod","\u002Ftools\u002Fkubernetes\u002Fdeployment-basics","07.tools\u002F02.kubernetes\u002F06.deployment-basics",{"title":3141,"path":3142,"stem":3143},"Rolling Updates та управління життєвим циклом Deployment","\u002Ftools\u002Fkubernetes\u002Fdeployment-rolling-updates","07.tools\u002F02.kubernetes\u002F07.deployment-rolling-updates",{"title":3145,"path":3146,"stem":3147},"Service — мережева абстракція для Pod","\u002Ftools\u002Fkubernetes\u002Fservices-networking","07.tools\u002F02.kubernetes\u002F08.services-networking",{"title":3149,"icon":3150,"path":3151,"stem":3152,"children":3153,"page":59},"Software Engineering","i-lucide-code-2","\u002Fsoftware-engineering","09.software-engineering",[3154,3158,3162,3166,3170,3174,3178,3182,3186,3190,3194],{"title":3155,"path":3156,"stem":3157},"1. Аналіз предметної області. Експертні знання та складність","\u002Fsoftware-engineering\u002Fintro-subdomains","09.software-engineering\u002F01.intro-subdomains",{"title":3159,"path":3160,"stem":3161},"2. Обмежені контексти. Інтеграція обмежених контекстів","\u002Fsoftware-engineering\u002Fintegrating-limited-contexts","09.software-engineering\u002F02.integrating-limited-contexts",{"title":3163,"path":3164,"stem":3165},"3. Реалізація простої бізнес-логіки","\u002Fsoftware-engineering\u002Fsimple","09.software-engineering\u002F03.simple",{"title":3167,"path":3168,"stem":3169},"4. Опрацювання складної бізнес-логіки","\u002Fsoftware-engineering\u002Fcomplex-business-logic","09.software-engineering\u002F04.complex-business-logic",{"title":3171,"path":3172,"stem":3173},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","\u002Fsoftware-engineering\u002Fmodelling-the-time-factor","09.software-engineering\u002F05.modelling-the-time-factor",{"title":3175,"path":3176,"stem":3177},"6. Архітектурні патерни","\u002Fsoftware-engineering\u002Farchitectural-patterns","09.software-engineering\u002F06.architectural-patterns",{"title":3179,"path":3180,"stem":3181},"Паттерни взаємодії","\u002Fsoftware-engineering\u002Fpatterns-of-interaction","09.software-engineering\u002F07.patterns-of-interaction",{"title":3183,"path":3184,"stem":3185},"Евристика проєктування","\u002Fsoftware-engineering\u002Fdesign-heuristics","09.software-engineering\u002F08.design-heuristics",{"title":3187,"path":3188,"stem":3189},"Еволюція проєктних рішень","\u002Fsoftware-engineering\u002Fevolution-of-design-solutions","09.software-engineering\u002F09.evolution-of-design-solutions",{"title":3191,"path":3192,"stem":3193},"EventStorming","\u002Fsoftware-engineering\u002Feventstorming","09.software-engineering\u002F10.eventstorming",{"title":3195,"path":3196,"stem":3197},"DDD на практиці","\u002Fsoftware-engineering\u002Fddd-in-practice","09.software-engineering\u002F11.ddd-in-practice",{"title":3199,"icon":943,"path":3200,"stem":3201,"children":3202,"page":59},"DDD","\u002Fddd","10.ddd",[3203,3207,3211,3215,3219,3223,3227,3231,3235,3239,3243,3247,3251],{"title":3204,"path":3205,"stem":3206},"Аналіз предметної області","\u002Fddd\u002Fdomain-analysis","10.ddd\u002F01.domain-analysis",{"title":3208,"path":3209,"stem":3210},"Експертні знання про предметну область","\u002Fddd\u002Fdomain-expert-knowledge","10.ddd\u002F02.domain-expert-knowledge",{"title":3212,"path":3213,"stem":3214},"Як осмислити складність предметної області","\u002Fddd\u002Fmanaging-domain-complexity","10.ddd\u002F03.managing-domain-complexity",{"title":3216,"path":3217,"stem":3218},"Інтеграція обмежених контекстів","\u002Fddd\u002Fbounded-context-integration","10.ddd\u002F04.bounded-context-integration",{"title":3220,"path":3221,"stem":3222},"Реалізація простої бізнес-логіки","\u002Fddd\u002Fsimple-business-logic","10.ddd\u002F05.simple-business-logic",{"title":3224,"path":3225,"stem":3226},"Обробка складної бізнес-логіки","\u002Fddd\u002Fcomplex-business-logic","10.ddd\u002F06.complex-business-logic",{"title":3228,"path":3229,"stem":3230},"Моделювання фактора часу","\u002Fddd\u002Ftime-modeling","10.ddd\u002F07.time-modeling",{"title":3232,"path":3233,"stem":3234},"Глава 8. Архітектурні Патерни","\u002Fddd\u002Farchitectural-patterns","10.ddd\u002F08.architectural-patterns",{"title":3236,"path":3237,"stem":3238},"Глава 9. Патерни Взаємодії","\u002Fddd\u002Finteraction-patterns","10.ddd\u002F09.interaction-patterns",{"title":3240,"path":3241,"stem":3242},"Глава 10. Проектні Евристики","\u002Fddd\u002Fdesign-heuristics","10.ddd\u002F10.design-heuristics",{"title":3244,"path":3245,"stem":3246},"Глава 11. Еволюція Проектних Рішень","\u002Fddd\u002Fevolution-of-design-decisions","10.ddd\u002F11.evolution-of-design-decisions",{"title":3248,"path":3249,"stem":3250},"Глава 12. EventStorming","\u002Fddd\u002Fevent-storming","10.ddd\u002F12.event-storming",{"title":3252,"path":3253,"stem":3254},"Глава 13. DDD на Практиці","\u002Fddd\u002Fddd-in-practice","10.ddd\u002F13.ddd-in-practice",{"title":3256,"icon":3257,"path":3258,"stem":3259,"children":3260,"page":59},"Media Streaming","i-lucide-video","\u002Fmedia-streaming","11.media-streaming",[3261,3265,3269,3273,3277,3281,3285],{"title":3262,"path":3263,"stem":3264},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","\u002Fmedia-streaming\u002Fintroduction","11.media-streaming\u002F01.introduction",{"title":3266,"path":3267,"stem":3268},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","\u002Fmedia-streaming\u002Faudio-video-anatomy","11.media-streaming\u002F02.audio-video-anatomy",{"title":3270,"path":3271,"stem":3272},"03. The Gym: FFmpeg Deep Dive","\u002Fmedia-streaming\u002Fffmpeg-gym","11.media-streaming\u002F03.ffmpeg-gym",{"title":3274,"path":3275,"stem":3276},"04. HLS Protocol: HTTP Live Streaming у Деталях","\u002Fmedia-streaming\u002Fhls-protocol","11.media-streaming\u002F04.hls-protocol",{"title":3278,"path":3279,"stem":3280},"05. DASH Protocol: Відкритий Стандарт","\u002Fmedia-streaming\u002Fdash-protocol","11.media-streaming\u002F05.dash-protocol",{"title":3282,"path":3283,"stem":3284},"06. Масштабування: CDN та Adaptive Bitrate","\u002Fmedia-streaming\u002Fcdn-and-adaptive-bitrate","11.media-streaming\u002F06.cdn-and-adaptive-bitrate",{"title":3286,"path":3287,"stem":3288},"07. Війна із Затримкою (Latency)","\u002Fmedia-streaming\u002Frealtime-latency","11.media-streaming\u002F07.realtime-latency",{"title":3290,"icon":3291,"path":3292,"stem":3293,"children":3294,"page":59},"HTML & CSS","i-devicon-html5","\u002Fhtml-css","12.html-css",[3295,3299,3303,3307,3311,3315,3319,3323,3327,3331,3335,3339,3343,3347,3351,3355,3359,3363,3367,3371,3375,3379,3383,3387,3391,3395,3399,3403,3407,3411],{"title":3296,"path":3297,"stem":3298},"Вступ до HTML. Структура документа","\u002Fhtml-css\u002Fintro-html-structure","12.html-css\u002F01.intro-html-structure",{"title":3300,"path":3301,"stem":3302},"Форматування тексту в HTML","\u002Fhtml-css\u002Fhtml-text-formatting","12.html-css\u002F02.html-text-formatting",{"title":3304,"path":3305,"stem":3306},"Посилання та зображення в HTML","\u002Fhtml-css\u002Fhtml-links-images","12.html-css\u002F03.html-links-images",{"title":3308,"path":3309,"stem":3310},"Списки та таблиці в HTML","\u002Fhtml-css\u002Fhtml-lists-tables","12.html-css\u002F04.html-lists-tables",{"title":3312,"path":3313,"stem":3314},"Форми в HTML","\u002Fhtml-css\u002Fhtml-forms","12.html-css\u002F05.html-forms",{"title":3316,"path":3317,"stem":3318},"Семантичні елементи HTML5","\u002Fhtml-css\u002Fhtml-semantic-elements","12.html-css\u002F06.html-semantic-elements",{"title":3320,"path":3321,"stem":3322},"Мультимедіа та розширені елементи HTML","\u002Fhtml-css\u002Fhtml-multimedia-advanced","12.html-css\u002F07.html-multimedia-advanced",{"title":3324,"path":3325,"stem":3326},"Мікророзмітка та SEO в HTML","\u002Fhtml-css\u002Fhtml-microdata-seo","12.html-css\u002F08.html-microdata-seo",{"title":3328,"path":3329,"stem":3330},"Вступ до CSS. Селектори та специфічність","\u002Fhtml-css\u002Fcss-intro-selectors","12.html-css\u002F09.css-intro-selectors",{"title":3332,"path":3333,"stem":3334},"Блокова модель CSS. Відступи. Box Sizing","\u002Fhtml-css\u002Fcss-box-model","12.html-css\u002F10.css-box-model",{"title":3336,"path":3337,"stem":3338},"Розміри у CSS: повний довідник одиниць і ключових слів","\u002Fhtml-css\u002F10a.css-sizing","12.html-css\u002F10a.css-sizing",{"title":3340,"path":3341,"stem":3342},"Типографіка в CSS. Шрифти та текст","\u002Fhtml-css\u002Fcss-typography","12.html-css\u002F11.css-typography",{"title":3344,"path":3345,"stem":3346},"Кольори та фони в CSS","\u002Fhtml-css\u002Fcss-colors-backgrounds","12.html-css\u002F12.css-colors-backgrounds",{"title":3348,"path":3349,"stem":3350},"Тіні та фільтри в CSS","\u002Fhtml-css\u002F12b.css-shadows-filters","12.html-css\u002F12b.css-shadows-filters",{"title":3352,"path":3353,"stem":3354},"CSS Flexbox: Фундамент гнучких макетів","\u002Fhtml-css\u002Fcss-flexbox-fundamentals","12.html-css\u002F13.css-flexbox-fundamentals",{"title":3356,"path":3357,"stem":3358},"CSS Flexbox: Вирівнювання та Позиціонування","\u002Fhtml-css\u002Fcss-flexbox-alignment-sizing-and-patterns","12.html-css\u002F14.css-flexbox-alignment-sizing-and-patterns",{"title":3360,"path":3361,"stem":3362},"CSS Grid. Двовимірний макет. Частина 1","\u002Fhtml-css\u002Fcss-layout-grid","12.html-css\u002F15.css-layout-grid",{"title":3364,"path":3365,"stem":3366},"CSS Grid. Двовимірний макет. Частина 2","\u002Fhtml-css\u002Fcss-layout-grid-advanced","12.html-css\u002F16.css-layout-grid-advanced",{"title":3368,"path":3369,"stem":3370},"Позиціонування в CSS. Z-index. Stacking Context","\u002Fhtml-css\u002Fcss-positioning","12.html-css\u002F17.css-positioning",{"title":3372,"path":3373,"stem":3374},"CSS Анімації та Переходи","\u002Fhtml-css\u002Fcss-animations-transitions","12.html-css\u002F18.css-animations-transitions",{"title":3376,"path":3377,"stem":3378},"Адаптивний дизайн. Media Queries. Частина 1","\u002Fhtml-css\u002Fcss-responsive-media-queries","12.html-css\u002F19.css-responsive-media-queries",{"title":3380,"path":3381,"stem":3382},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","\u002Fhtml-css\u002Fcss-responsive-advanced","12.html-css\u002F20.css-responsive-advanced",{"title":3384,"path":3385,"stem":3386},"CSS Custom Properties. Методології. Сучасний CSS","\u002Fhtml-css\u002Fcss-variables-methodologies","12.html-css\u002F21.css-variables-methodologies",{"title":3388,"path":3389,"stem":3390},"Сучасний CSS 2023–2025: Нові можливості","\u002Fhtml-css\u002Fcss-modern-features","12.html-css\u002F22.css-modern-features",{"title":3392,"path":3393,"stem":3394},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","\u002Fhtml-css\u002F22a.css-nesting-modern-syntax","12.html-css\u002F22a.css-nesting-modern-syntax",{"title":3396,"path":3397,"stem":3398},"CSS для форм та інтерактивних станів","\u002Fhtml-css\u002Fcss-forms-interactive-states","12.html-css\u002F23.css-forms-interactive-states",{"title":3400,"path":3401,"stem":3402},"Доступність у CSS (CSS Accessibility)","\u002Fhtml-css\u002Fcss-accessibility","12.html-css\u002F24.css-accessibility",{"title":3404,"path":3405,"stem":3406},"CSS-функції та сучасні sizing primitives","\u002Fhtml-css\u002Fcss-functions-sizing","12.html-css\u002F25.css-functions-sizing",{"title":3408,"path":3409,"stem":3410},"Rendering Pipeline і CSS Performance","\u002Fhtml-css\u002Fcss-rendering-performance","12.html-css\u002F26.css-rendering-performance",{"title":3412,"path":3413,"stem":3414},"CSS Best Practices: типові ситуації та правильні рішення","\u002Fhtml-css\u002Fcss-best-practices","12.html-css\u002F27.css-best-practices",{"title":3416,"path":3417,"stem":3418,"children":3419,"page":59},"AWS","\u002Faws","13.aws",[3420,3424,3428,3432,3436,3440,3444,3448,3452,3456,3460,3464,3468,3472,3476,3480,3484,3488],{"title":3421,"path":3422,"stem":3423},"Реєстрація AWS акаунту та студентські програми","\u002Faws\u002Faccount-registration","13.aws\u002F00.account-registration",{"title":3425,"path":3426,"stem":3427},"Вступ до хмарних обчислень та AWS","\u002Faws\u002Fintroduction-to-cloud","13.aws\u002F01.introduction-to-cloud",{"title":3429,"path":3430,"stem":3431},"AWS IAM — Identity and Access Management","\u002Faws\u002Fiam","13.aws\u002F02.iam",{"title":3433,"path":3434,"stem":3435},"AWS IAM CLI — Довідник команд","\u002Faws\u002F02a.iam-doc","13.aws\u002F02a.iam-doc",{"title":3437,"path":3438,"stem":3439},"Docker та контейнеризація в AWS — ECR, ECS та Fargate","\u002Faws\u002Fdocker-ecs","13.aws\u002F03.docker-ecs",{"title":3441,"path":3442,"stem":3443},"AWS ECR \u002F ECS CLI — Довідник команд","\u002Faws\u002F03a.docker-ecs-doc","13.aws\u002F03a.docker-ecs-doc",{"title":3445,"path":3446,"stem":3447},"Amazon EC2 — Elastic Compute Cloud","\u002Faws\u002Fec2","13.aws\u002F04.ec2",{"title":3449,"path":3450,"stem":3451},"AWS EC2 CLI — Довідник команд","\u002Faws\u002F04a.ec2-doc","13.aws\u002F04a.ec2-doc",{"title":3453,"path":3454,"stem":3455},"Elastic Load Balancing та Auto Scaling","\u002Faws\u002Falb-asg","13.aws\u002F05.alb-asg",{"title":3457,"path":3458,"stem":3459},"Amazon S3 — Simple Storage Service","\u002Faws\u002Fs3","13.aws\u002F06.s3",{"title":3461,"path":3462,"stem":3463},"Amazon CloudFront — Content Delivery Network","\u002Faws\u002Fcloudfront","13.aws\u002F07.cloudfront",{"title":3465,"path":3466,"stem":3467},"Amazon RDS — Relational Database Service","\u002Faws\u002Frds","13.aws\u002F08.rds",{"title":3469,"path":3470,"stem":3471},"Amazon DynamoDB — NoSQL Database","\u002Faws\u002Fdynamodb","13.aws\u002F09.dynamodb",{"title":3473,"path":3474,"stem":3475},"AWS Lambda та Serverless Compute","\u002Faws\u002Flambda","13.aws\u002F10.lambda",{"title":3477,"path":3478,"stem":3479},"Amazon Bedrock - Foundation Models, RAG та Agents","\u002Faws\u002Fbedrock","13.aws\u002F22.bedrock",{"title":3481,"path":3482,"stem":3483},"Amazon Rekognition - Комп'ютерний зір","\u002Faws\u002Frekognition","13.aws\u002F23.rekognition",{"title":3485,"path":3486,"stem":3487},"Amazon Textract - Інтелектуальний аналіз документів","\u002Faws\u002Ftextract","13.aws\u002F24.textract",{"title":3489,"path":3490,"stem":3491},"Amazon Polly, Transcribe, Comprehend та Translate","\u002Faws\u002Faudio-nlp-services","13.aws\u002F25.audio-nlp-services",{"title":3493,"path":3494,"stem":3495,"children":3496,"page":59},"Ai Development","\u002Fai-development","14.ai-development",[3497],{"title":3498,"path":3499,"stem":3500,"children":3501,"page":59},"Foundations","\u002Fai-development\u002Ffoundations","14.ai-development\u002F00.foundations",[3502],{"title":3503,"path":3504,"stem":3505},"Модуль 0.1. Що таке Large Language Model (LLM)","\u002Fai-development\u002Ffoundations\u002Fwhat-is-llm","14.ai-development\u002F00.foundations\u002F01.what-is-llm",{"title":3507,"path":3508,"stem":3509,"children":3510,"page":59},"React Native","\u002Freact-native","15.react-native",[3511,3532],{"title":3512,"path":3513,"stem":3514,"children":3515,"page":59},"Version1","\u002Freact-native\u002Fversion1","15.react-native\u002Fversion1",[3516,3520,3524,3528],{"title":3517,"path":3518,"stem":3519},"Що таке React Native","\u002Freact-native\u002Fversion1\u002Fwhat-is-react-native","15.react-native\u002Fversion1\u002F01.what-is-react-native",{"title":3521,"path":3522,"stem":3523},"Як влаштований React Native «під капотом»","\u002Freact-native\u002Fversion1\u002Freact-native-architecture","15.react-native\u002Fversion1\u002F02.react-native-architecture",{"title":3525,"path":3526,"stem":3527},"Від React до React Native: ключові відмінності","\u002Freact-native\u002Fversion1\u002Freact-native-vs-react","15.react-native\u002Fversion1\u002F03.react-native-vs-react",{"title":3529,"path":3530,"stem":3531},"View та Text — фундаментальні будівельні блоки","\u002Freact-native\u002Fversion1\u002Fview-and-text","15.react-native\u002Fversion1\u002F04.view-and-text",{"title":3533,"path":3534,"stem":3535,"children":3536,"page":59},"Version2","\u002Freact-native\u002Fversion2","15.react-native\u002Fversion2",[3537,3541,3545,3549,3553,3557,3561,3565,3569,3573,3577,3581,3585,3589,3593,3597,3601,3605,3609,3613,3617,3621,3625,3629,3633,3637,3641],{"title":3538,"path":3539,"stem":3540},"React Native — навіщо він потрібен","\u002Freact-native\u002Fversion2\u002Fwhy-react-native","15.react-native\u002Fversion2\u002F01.why-react-native",{"title":3542,"path":3543,"stem":3544},"Налаштування середовища розробки","\u002Freact-native\u002Fversion2\u002Fenvironment-setup","15.react-native\u002Fversion2\u002F02.environment-setup",{"title":3546,"path":3547,"stem":3548},"Expo і класичний React Native — два шляхи одного фреймворку","\u002Freact-native\u002Fversion2\u002Fexpo-vs-cli-landscape","15.react-native\u002Fversion2\u002F03.expo-vs-cli-landscape",{"title":3550,"path":3551,"stem":3552},"Середовище Expo — перший запуск","\u002Freact-native\u002Fversion2\u002Fexpo-setup-and-tooling","15.react-native\u002Fversion2\u002F04.expo-setup-and-tooling",{"title":3554,"path":3555,"stem":3556},"Структура проєкту та перші UI-примітиви","\u002Freact-native\u002Fversion2\u002Fproject-structure-and-conventions","15.react-native\u002Fversion2\u002F05.project-structure-and-conventions",{"title":3558,"path":3559,"stem":3560},"Базові компоненти React Native","\u002Freact-native\u002Fversion2\u002Fcore-components","15.react-native\u002Fversion2\u002F06.core-components",{"title":3562,"path":3563,"stem":3564},"Flexbox і layout у React Native","\u002Freact-native\u002Fversion2\u002Fflexbox-and-layout","15.react-native\u002Fversion2\u002F07.flexbox-and-layout",{"title":3566,"path":3567,"stem":3568},"StyleSheet і теми (light \u002F dark)","\u002Freact-native\u002Fversion2\u002Fstylesheet-and-theming","15.react-native\u002Fversion2\u002F08.stylesheet-and-theming",{"title":3570,"path":3571,"stem":3572},"Списки та віртуалізація","\u002Freact-native\u002Fversion2\u002Flists-and-virtualization","15.react-native\u002Fversion2\u002F09.lists-and-virtualization",{"title":3574,"path":3575,"stem":3576},"Форми, ввід і валідація","\u002Freact-native\u002Fversion2\u002Fforms-input-validation","15.react-native\u002Fversion2\u002F10.forms-input-validation",{"title":3578,"path":3579,"stem":3580},"Основи Expo Router","\u002Freact-native\u002Fversion2\u002Fexpo-router-basics","15.react-native\u002Fversion2\u002F11.expo-router-basics",{"title":3582,"path":3583,"stem":3584},"Вкладені навігатори та модалки","\u002Freact-native\u002Fversion2\u002Fnested-navigators-and-modals","15.react-native\u002Fversion2\u002F12.nested-navigators-and-modals",{"title":3586,"path":3587,"stem":3588},"Deep linking і параметри маршрутів","\u002Freact-native\u002Fversion2\u002Fdeep-linking-and-params","15.react-native\u002Fversion2\u002F13.deep-linking-and-params",{"title":3590,"path":3591,"stem":3592},"Робота з мережею та життєвий цикл застосунку","\u002Freact-native\u002Fversion2\u002Fnetworking-and-app-lifecycle","15.react-native\u002Fversion2\u002F14.networking-and-app-lifecycle",{"title":3594,"path":3595,"stem":3596},"Redux Toolkit на мобільних платформах","\u002Freact-native\u002Fversion2\u002Fredux-toolkit-on-mobile","15.react-native\u002Fversion2\u002F15.redux-toolkit-on-mobile",{"title":3598,"path":3599,"stem":3600},"RTK Query на мобільних платформах","\u002Freact-native\u002Fversion2\u002Frtk-query-mobile","15.react-native\u002Fversion2\u002F16.rtk-query-mobile",{"title":3602,"path":3603,"stem":3604},"Автентифікація та Безпечне Зберігання","\u002Freact-native\u002Fversion2\u002Fauth-secure-storage","15.react-native\u002Fversion2\u002F18.auth-secure-storage",{"title":3606,"path":3607,"stem":3608},"Локальне сховище — AsyncStorage, MMKV, SQLite","\u002Freact-native\u002Fversion2\u002Flocal-storage-mmkv-sqlite","15.react-native\u002Fversion2\u002F19.local-storage-mmkv-sqlite",{"title":3610,"path":3611,"stem":3612},"Офлайн-First і синхронізація","\u002Freact-native\u002Fversion2\u002Foffline-first-sync","15.react-native\u002Fversion2\u002F20.offline-first-sync",{"title":3614,"path":3615,"stem":3616},"Камера, медіа та файлова система","\u002Freact-native\u002Fversion2\u002Fcamera-media-filesystem","15.react-native\u002Fversion2\u002F21.camera-media-filesystem",{"title":3618,"path":3619,"stem":3620},"Карти та геолокація","\u002Freact-native\u002Fversion2\u002Fmaps-and-location","15.react-native\u002Fversion2\u002F22.maps-and-location",{"title":3622,"path":3623,"stem":3624},"Жести та дотики","\u002Freact-native\u002Fversion2\u002Fgestures-and-touch","15.react-native\u002Fversion2\u002F23.gestures-and-touch",{"title":3626,"path":3627,"stem":3628},"Анімації з Reanimated","\u002Freact-native\u002Fversion2\u002Freanimated-animations","15.react-native\u002Fversion2\u002F24.reanimated-animations",{"title":3630,"path":3631,"stem":3632},"Push і локальні сповіщення","\u002Freact-native\u002Fversion2\u002Fpush-and-local-notifications","15.react-native\u002Fversion2\u002F25.push-and-local-notifications",{"title":3634,"path":3635,"stem":3636},"Інтернаціоналізація та доступність","\u002Freact-native\u002Fversion2\u002Faccessibility-and-i18n","15.react-native\u002Fversion2\u002F26.accessibility-and-i18n",{"title":3638,"path":3639,"stem":3640},"EAS Build та профілі збірки","\u002Freact-native\u002Fversion2\u002Feas-build-and-profiles","15.react-native\u002Fversion2\u002F29.eas-build-and-profiles",{"title":3642,"path":3643,"stem":3644},"Публікація в App Store та Google Play","\u002Freact-native\u002Fversion2\u002Fapp-store-play-release","15.react-native\u002Fversion2\u002F30.app-store-play-release",{"title":3646,"path":3647,"stem":3648,"children":3649,"page":59},"Ai Python","\u002Fai-python","16.ai-python",[3650,3659,3668,3677,3706,3732,3757,3790,3807,3820,3829,3842,3851,3872,3885,3906],{"title":3651,"path":3652,"stem":3653,"children":3654,"page":59},"Intro To Ai","\u002Fai-python\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai",[3655],{"title":3656,"path":3657,"stem":3658},"Вступ до штучного інтелекту та машинного навчання","\u002Fai-python\u002Fintro-to-ai\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai\u002F01.intro-to-ai",{"title":3660,"path":3661,"stem":3662,"children":3663,"page":59},"Jupyter Notebook","\u002Fai-python\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook",[3664],{"title":3665,"path":3666,"stem":3667},"Знайомство з Jupyter Notebook та JupyterLab","\u002Fai-python\u002Fjupyter-notebook\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook\u002F02.jupyter-notebook",{"title":3669,"path":3670,"stem":3671,"children":3672,"page":59},"Numpy Pandas","\u002Fai-python\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas",[3673],{"title":3674,"path":3675,"stem":3676},"Робота з даними з використанням NumPy і pandas","\u002Fai-python\u002Fnumpy-pandas\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas\u002F03.numpy-pandas",{"title":3678,"path":3679,"stem":3680,"children":3681,"page":59},"Statistics Basics","\u002Fai-python\u002Fstatistics-basics","16.ai-python\u002F04.statistics-basics",[3682,3686,3690,3694,3698,3702],{"title":3683,"path":3684,"stem":3685},"Випадкові величини та їх типи","\u002Fai-python\u002Fstatistics-basics\u002Frandom-variables","16.ai-python\u002F04.statistics-basics\u002F01.random-variables",{"title":3687,"path":3688,"stem":3689},"Міри центральної тенденції","\u002Fai-python\u002Fstatistics-basics\u002Fcentral-tendency","16.ai-python\u002F04.statistics-basics\u002F02.central-tendency",{"title":3691,"path":3692,"stem":3693},"Міри варіації (розсіювання)","\u002Fai-python\u002Fstatistics-basics\u002Fvariability","16.ai-python\u002F04.statistics-basics\u002F03.variability",{"title":3695,"path":3696,"stem":3697},"Розподіли випадкових величин","\u002Fai-python\u002Fstatistics-basics\u002Fdistributions","16.ai-python\u002F04.statistics-basics\u002F04.distributions",{"title":3699,"path":3700,"stem":3701},"Кореляція та взаємозв'язки","\u002Fai-python\u002Fstatistics-basics\u002Fcorrelation","16.ai-python\u002F04.statistics-basics\u002F05.correlation",{"title":3703,"path":3704,"stem":3705},"Викиди та аномалії","\u002Fai-python\u002Fstatistics-basics\u002Foutliers","16.ai-python\u002F04.statistics-basics\u002F06.outliers",{"title":3707,"path":3708,"stem":3709,"children":3710},"Візуалізація даних за допомогою matplotlib","\u002Fai-python\u002Fdata-visualization","16.ai-python\u002F05.data-visualization\u002Findex",[3711,3712,3716,3720,3724,3728],{"title":3707,"path":3708,"stem":3709},{"title":3713,"path":3714,"stem":3715},"Основи matplotlib — Figure, Axes та перший графік","\u002Fai-python\u002Fdata-visualization\u002Fmatplotlib-basics","16.ai-python\u002F05.data-visualization\u002F01.matplotlib-basics",{"title":3717,"path":3718,"stem":3719},"Візуалізація розподілів — гістограми та box plots","\u002Fai-python\u002Fdata-visualization\u002Fdistributions","16.ai-python\u002F05.data-visualization\u002F02.distributions",{"title":3721,"path":3722,"stem":3723},"Візуалізація залежностей — scatter plots та кореляція","\u002Fai-python\u002Fdata-visualization\u002Frelationships","16.ai-python\u002F05.data-visualization\u002F03.relationships",{"title":3725,"path":3726,"stem":3727},"Візуалізація категоріальних даних — bar charts та pie charts","\u002Fai-python\u002Fdata-visualization\u002Fcategorical","16.ai-python\u002F05.data-visualization\u002F04.categorical",{"title":3729,"path":3730,"stem":3731},"Композиції та стилізація — subplots та багатопанельні дашборди","\u002Fai-python\u002Fdata-visualization\u002Fsubplots-styling","16.ai-python\u002F05.data-visualization\u002F05.subplots-styling",{"title":3733,"path":3734,"stem":3735,"children":3736,"page":59},"Linear Regression","\u002Fai-python\u002Flinear-regression","16.ai-python\u002F06.linear-regression",[3737,3741,3745,3749,3753],{"title":3738,"path":3739,"stem":3740},"Регресійна задача та лінійна регресія з однією змінною","\u002Fai-python\u002Flinear-regression\u002Fregression-task","16.ai-python\u002F06.linear-regression\u002F01.regression-task",{"title":3742,"path":3743,"stem":3744},"Метрики якості регресії — як оцінити модель","\u002Fai-python\u002Flinear-regression\u002Fquality-metrics","16.ai-python\u002F06.linear-regression\u002F02.quality-metrics",{"title":3746,"path":3747,"stem":3748},"Градієнтний спуск — як модель навчається","\u002Fai-python\u002Flinear-regression\u002Fgradient-descent","16.ai-python\u002F06.linear-regression\u002F03.gradient-descent",{"title":3750,"path":3751,"stem":3752},"Множинна лінійна регресія — модель з багатьма ознаками","\u002Fai-python\u002Flinear-regression\u002Fmultiple-regression","16.ai-python\u002F06.linear-regression\u002F04.multiple-regression",{"title":3754,"path":3755,"stem":3756},"Практичні завдання та резюме модуля","\u002Fai-python\u002Flinear-regression\u002Fpractice","16.ai-python\u002F06.linear-regression\u002F05.practice",{"title":3758,"path":3759,"stem":3760,"children":3761,"page":59},"Practical Regression","\u002Fai-python\u002Fpractical-regression","16.ai-python\u002F07.practical-regression",[3762,3766,3770,3774,3778,3782,3786],{"title":3763,"path":3764,"stem":3765},"Знайомство з scikit-learn","\u002Fai-python\u002Fpractical-regression\u002Fintro-scikit-learn","16.ai-python\u002F07.practical-regression\u002F01.intro-scikit-learn",{"title":3767,"path":3768,"stem":3769},"Exploratory Data Analysis датасету Housing Prices","\u002Fai-python\u002Fpractical-regression\u002Fhousing-dataset-eda","16.ai-python\u002F07.practical-regression\u002F02.housing-dataset-eda",{"title":3771,"path":3772,"stem":3773},"Попередня обробка даних (Data Preprocessing)","\u002Fai-python\u002Fpractical-regression\u002Fdata-preprocessing","16.ai-python\u002F07.practical-regression\u002F03.data-preprocessing",{"title":3775,"path":3776,"stem":3777},"Train\u002FTest Split та перша повноцінна модель","\u002Fai-python\u002Fpractical-regression\u002Ftrain-test-split","16.ai-python\u002F07.practical-regression\u002F04.train-test-split",{"title":3779,"path":3780,"stem":3781},"Перенавчання та недонавчання","\u002Fai-python\u002Fpractical-regression\u002Foverfitting-underfitting","16.ai-python\u002F07.practical-regression\u002F05.overfitting-underfitting",{"title":3783,"path":3784,"stem":3785},"Крос-валідація (Cross-Validation)","\u002Fai-python\u002Fpractical-regression\u002Fcross-validation","16.ai-python\u002F07.practical-regression\u002F06.cross-validation",{"title":3787,"path":3788,"stem":3789},"Гіперпараметри та їх оптимізація","\u002Fai-python\u002Fpractical-regression\u002Fhyperparameter-tuning","16.ai-python\u002F07.practical-regression\u002F07.hyperparameter-tuning",{"title":3791,"path":3792,"stem":3793,"children":3794,"page":59},"Polynomial Regression","\u002Fai-python\u002Fpolynomial-regression","16.ai-python\u002F08.polynomial-regression",[3795,3799,3803],{"title":3796,"path":3797,"stem":3798},"Нелінійні залежності та поліноміальна регресія","\u002Fai-python\u002Fpolynomial-regression\u002Fnonlinear-patterns","16.ai-python\u002F08.polynomial-regression\u002F01.nonlinear-patterns",{"title":3800,"path":3801,"stem":3802},"Регуляризація в регресії — Ridge та Lasso","\u002Fai-python\u002Fpolynomial-regression\u002Fregularization-methods","16.ai-python\u002F08.polynomial-regression\u002F02.regularization-methods",{"title":3804,"path":3805,"stem":3806},"Практика — поліноміальна регресія та регуляризація на Housing Prices","\u002Fai-python\u002Fpolynomial-regression\u002Fhousing-prices-practice","16.ai-python\u002F08.polynomial-regression\u002F03.housing-prices-practice",{"title":3808,"path":3809,"stem":3810,"children":3811,"page":59},"Decision Trees Random Forest","\u002Fai-python\u002Fdecision-trees-random-forest","16.ai-python\u002F09.decision-trees-random-forest",[3812,3816],{"title":3813,"path":3814,"stem":3815},"Дерева рішень — інтерпретабельні моделі машинного навчання","\u002Fai-python\u002Fdecision-trees-random-forest\u002Fdecision-trees","16.ai-python\u002F09.decision-trees-random-forest\u002F01.decision-trees",{"title":3817,"path":3818,"stem":3819},"Random Forest — ансамблі дерев рішень","\u002Fai-python\u002Fdecision-trees-random-forest\u002Frandom-forest","16.ai-python\u002F09.decision-trees-random-forest\u002F02.random-forest",{"title":3821,"path":3822,"stem":3823,"children":3824,"page":59},"Gradient Boosting","\u002Fai-python\u002Fgradient-boosting","16.ai-python\u002F10.gradient-boosting",[3825],{"title":3826,"path":3827,"stem":3828},"Градієнтний бустинг та XGBoost — послідовне виправлення помилок","\u002Fai-python\u002Fgradient-boosting\u002Fgradient-boosting-xgboost","16.ai-python\u002F10.gradient-boosting\u002F01.gradient-boosting-xgboost",{"title":3830,"path":3831,"stem":3832,"children":3833,"page":59},"Logistic Regression Classification","\u002Fai-python\u002Flogistic-regression-classification","16.ai-python\u002F11.logistic-regression-classification",[3834,3838],{"title":3835,"path":3836,"stem":3837},"Вступ до класифікації та логістична регресія","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-basics","16.ai-python\u002F11.logistic-regression-classification\u002F01.classification-basics",{"title":3839,"path":3840,"stem":3841},"Метрики якості класифікації — Confusion Matrix, Precision, Recall, F1","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-metrics","16.ai-python\u002F11.logistic-regression-classification\u002F02.classification-metrics",{"title":3843,"path":3844,"stem":3845,"children":3846,"page":59},"Neural Networks Basics","\u002Fai-python\u002Fneural-networks-basics","16.ai-python\u002F12.neural-networks-basics",[3847],{"title":3848,"path":3849,"stem":3850},"Вступ до нейронних мереж — від персептрона до багатошарових мереж","\u002Fai-python\u002Fneural-networks-basics\u002Fperceptron-to-mlp","16.ai-python\u002F12.neural-networks-basics\u002F01.perceptron-to-mlp",{"title":3852,"path":3853,"stem":3854,"children":3855,"page":59},"Pytorch Intro","\u002Fai-python\u002Fpytorch-intro","16.ai-python\u002F13.pytorch-intro",[3856,3860,3864,3868],{"title":3857,"path":3858,"stem":3859},"Тензори та автоматичне диференціювання в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Ftensors-and-autograd","16.ai-python\u002F13.pytorch-intro\u002F01.tensors-and-autograd",{"title":3861,"path":3862,"stem":3863},"Побудова та тренування нейронних мереж у PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fbuilding-and-training","16.ai-python\u002F13.pytorch-intro\u002F02.building-and-training",{"title":3865,"path":3866,"stem":3867},"Робота з даними та регуляризація в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fdata-and-regularization","16.ai-python\u002F13.pytorch-intro\u002F03.data-and-regularization",{"title":3869,"path":3870,"stem":3871},"Просунуті теми PyTorch — GPU, оптимізація та deployment","\u002Fai-python\u002Fpytorch-intro\u002Fadvanced-topics","16.ai-python\u002F13.pytorch-intro\u002F04.advanced-topics",{"title":3873,"path":3874,"stem":3875,"children":3876,"page":59},"Activation Functions Heart Disease","\u002Fai-python\u002Factivation-functions-heart-disease","16.ai-python\u002F14.activation-functions-heart-disease",[3877,3881],{"title":3878,"path":3879,"stem":3880},"Функції активації та побудова нейронної мережі для передбачення вад серця","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fheart-disease-prediction","16.ai-python\u002F14.activation-functions-heart-disease\u002F01.heart-disease-prediction",{"title":3882,"path":3883,"stem":3884},"Бонус — Повний приклад Student Performance Prediction","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fstudent-performance-bonus","16.ai-python\u002F14.activation-functions-heart-disease\u002F02.student-performance-bonus",{"title":3886,"path":3887,"stem":3888,"children":3889,"page":59},"Cnn Image Classification","\u002Fai-python\u002Fcnn-image-classification","16.ai-python\u002F15.cnn-image-classification",[3890,3894,3898,3902],{"title":3891,"path":3892,"stem":3893},"Основи згорткових нейронних мереж — чому не MLP?","\u002Fai-python\u002Fcnn-image-classification\u002Fcnn-fundamentals","16.ai-python\u002F15.cnn-image-classification\u002F01.cnn-fundamentals",{"title":3895,"path":3896,"stem":3897},"Практична імплементація CNN для класифікації MNIST","\u002Fai-python\u002Fcnn-image-classification\u002Fmnist-classification","16.ai-python\u002F15.cnn-image-classification\u002F02.mnist-classification",{"title":3899,"path":3900,"stem":3901},"Глибші CNN та аугментація даних для CIFAR-10","\u002Fai-python\u002Fcnn-image-classification\u002Fcifar10-and-data-augmentation","16.ai-python\u002F15.cnn-image-classification\u002F03.cifar10-and-data-augmentation",{"title":3903,"path":3904,"stem":3905},"Transfer Learning та візуалізація внутрішніх представлень CNN","\u002Fai-python\u002Fcnn-image-classification\u002Ftransfer-learning-and-visualization","16.ai-python\u002F15.cnn-image-classification\u002F04.transfer-learning-and-visualization",{"title":3907,"path":3908,"stem":3909,"children":3910,"page":59},"Batching Normalization Deep Networks","\u002Fai-python\u002Fbatching-normalization-deep-networks","16.ai-python\u002F16.batching-normalization-deep-networks",[3911,3915,3919,3923,3927,3931,3935],{"title":3912,"path":3913,"stem":3914},"Mini-batch Gradient Descent та ефективна обробка даних","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fmini-batch-gradient-descent","16.ai-python\u002F16.batching-normalization-deep-networks\u002F01.mini-batch-gradient-descent",{"title":3916,"path":3917,"stem":3918},"Ініціалізація ваг — фундамент стабільного навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fweight-initialization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F02.weight-initialization",{"title":3920,"path":3921,"stem":3922},"Batch Normalization — прорив у глибокому навчанні","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fbatch-normalization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F03.batch-normalization",{"title":3924,"path":3925,"stem":3926},"Dropout та комбіновані стратегії регуляризації","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdropout-and-regularization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F04.dropout-and-regularization",{"title":3928,"path":3929,"stem":3930},"Проєктування глибоких мереж — від теорії до практики","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdeep-networks-architectures","16.ai-python\u002F16.batching-normalization-deep-networks\u002F05.deep-networks-architectures",{"title":3932,"path":3933,"stem":3934},"Планування learning rate — коли та як зменшувати крок навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Flearning-rate-scheduling","16.ai-python\u002F16.batching-normalization-deep-networks\u002F06.learning-rate-scheduling",{"title":3936,"path":3937,"stem":3938},"Підсумковий проєкт — побудова сучасного класифікатора зображень","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Ffinal-project-deep-classifier","16.ai-python\u002F16.batching-normalization-deep-networks\u002F07.final-project-deep-classifier",{"title":3940,"icon":658,"path":3941,"stem":3942,"children":3943,"page":59},"Клієнт-серверна архітектура","\u002Fclient-server-architecture","17.client-server-architecture",[3944,3948,3952,3956,3960,3964,3968,3972,3976,3980,3984,3988,3992,3996,4000,4004,4008,4012],{"title":3945,"path":3946,"stem":3947},"Архітектура клієнт-серверних систем та основи Go","\u002Fclient-server-architecture\u002Fclient-server-architecture-and-go","17.client-server-architecture\u002F01.client-server-architecture-and-go",{"title":3949,"path":3950,"stem":3951},"Система типів та модель пам’яті мови Go","\u002Fclient-server-architecture\u002Ftype-system-and-memory-model","17.client-server-architecture\u002F02.type-system-and-memory-model",{"title":3953,"path":3954,"stem":3955},"Інтерфейси та модель конкурентності мови Go","\u002Fclient-server-architecture\u002Finterfaces-and-concurrency-model","17.client-server-architecture\u002F03.interfaces-and-concurrency-model",{"title":3957,"path":3958,"stem":3959},"Сокетне програмування та протокол TCP у Go","\u002Fclient-server-architecture\u002Ftcp-socket-programming","17.client-server-architecture\u002F04.tcp-socket-programming",{"title":3961,"path":3962,"stem":3963},"Протокол UDP та датаграмна передача даних","\u002Fclient-server-architecture\u002Fudp-datagram-transmission","17.client-server-architecture\u002F05.udp-datagram-transmission",{"title":3965,"path":3966,"stem":3967},"Криптографічний захист каналів зв","\u002Fclient-server-architecture\u002Ftls-cryptographic-channel-protection","17.client-server-architecture\u002F06.tls-cryptographic-channel-protection",{"title":3969,"path":3970,"stem":3971},"Прикладні мережеві протоколи DNS та SMTP","\u002Fclient-server-architecture\u002Fdns-smtp-application-protocols","17.client-server-architecture\u002F07.dns-smtp-application-protocols",{"title":3973,"path":3974,"stem":3975},"Протокол HTTP та стандартний вебсервер Go","\u002Fclient-server-architecture\u002Fhttp-protocol-and-web-server","17.client-server-architecture\u002F08.http-protocol-and-web-server",{"title":3977,"path":3978,"stem":3979},"Проєктування REST API та маршрутизація засобами Chi","\u002Fclient-server-architecture\u002Frest-api-design-and-chi-routing","17.client-server-architecture\u002F09.rest-api-design-and-chi-routing",{"title":3981,"path":3982,"stem":3983},"Лекція 10. Шарувата архітектура та конвеєри обробки запитів","\u002Fclient-server-architecture\u002Flayered-architecture-and-middleware-pipelines","17.client-server-architecture\u002F10.layered-architecture-and-middleware-pipelines",{"title":3985,"path":3986,"stem":3987},"Лекція 11. Архітектура та маршрутизація фреймворку Gin","\u002Fclient-server-architecture\u002Fgin-framework-architecture-and-routing","17.client-server-architecture\u002F11.gin-framework-architecture-and-routing",{"title":3989,"path":3990,"stem":3991},"Лекція 12. Валідація даних, безпека та документування у Gin","\u002Fclient-server-architecture\u002Fdata-validation-security-and-documentation-in-gin","17.client-server-architecture\u002F12.data-validation-security-and-documentation-in-gin",{"title":3993,"path":3994,"stem":3995},"Лекція 13. Взаємодія з реляційними СУБД та технології ORM","\u002Fclient-server-architecture\u002Frelational-databases-and-orm","17.client-server-architecture\u002F13.relational-databases-and-orm",{"title":3997,"path":3998,"stem":3999},"Потокова передача даних та протокол WebSocket","\u002Fclient-server-architecture\u002Fstreaming-data-and-websockets","17.client-server-architecture\u002F14.streaming-data-and-websockets",{"title":4001,"path":4002,"stem":4003},"Міжсервісна взаємодія на основі протоколу gRPC","\u002Fclient-server-architecture\u002Fgrpc-inter-service-communication","17.client-server-architecture\u002F15.grpc-inter-service-communication",{"title":4005,"path":4006,"stem":4007},"Асинхронний обмін повідомленнями та протоколи черг","\u002Fclient-server-architecture\u002Fasynchronous-message-exchange-and-queue-protocols","17.client-server-architecture\u002F16.asynchronous-message-exchange-and-queue-protocols",{"title":4009,"path":4010,"stem":4011},"Протоколи потокового медіа та технологія WebRTC","\u002Fclient-server-architecture\u002Fstreaming-media-protocols-and-webrtc","17.client-server-architecture\u002F17.streaming-media-protocols-and-webrtc",{"title":4013,"path":4014,"stem":4015},"Моніторинг, безпека та контейнеризація застосунків","\u002Fclient-server-architecture\u002Fmonitoring-security-and-containerization","17.client-server-architecture\u002F18.monitoring-security-and-containerization",{"title":4017,"icon":2074,"path":4018,"stem":4019,"children":4020,"page":59},"Розробка WEB-застосувань","\u002Fweb-development","18.web-development",[4021,4066,4104,4133,4162,4219,4269,4363,4429,4511,4544,4572,4614,4660,4703],{"title":4022,"icon":658,"path":4023,"stem":4024,"children":4025,"page":59},"Архітектура комп'ютерних мереж та мережеві протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols","18.web-development\u002F01.network-architecture-and-protocols",[4026,4030,4034,4038,4042,4046,4050,4054,4058,4062],{"title":4027,"path":4028,"stem":4029},"Еволюція веброзробки та модель клієнт-сервер","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fweb-evolution-client-server","18.web-development\u002F01.network-architecture-and-protocols\u002F01.web-evolution-client-server",{"title":4031,"path":4032,"stem":4033},"Еталонна модель OSI","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fosi-model","18.web-development\u002F01.network-architecture-and-protocols\u002F02.osi-model",{"title":4035,"path":4036,"stem":4037},"Стек протоколів TCP\u002FIP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-ip-stack","18.web-development\u002F01.network-architecture-and-protocols\u002F03.tcp-ip-stack",{"title":4039,"path":4040,"stem":4041},"IP-адресація, порти та сокети","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fip-addressing-ports-sockets","18.web-development\u002F01.network-architecture-and-protocols\u002F04.ip-addressing-ports-sockets",{"title":4043,"path":4044,"stem":4045},"Протоколи TCP та UDP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-udp-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F05.tcp-udp-protocols",{"title":4047,"path":4048,"stem":4049},"Система доменних імен DNS","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fdns-system","18.web-development\u002F01.network-architecture-and-protocols\u002F06.dns-system",{"title":4051,"path":4052,"stem":4053},"Протокол SMTP та поштові протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fsmtp-email-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F07.smtp-email-protocols",{"title":4055,"path":4056,"stem":4057},"Протокол WebSocket","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fwebsocket-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F08.websocket-protocol",{"title":4059,"path":4060,"stem":4061},"Протокол SSH","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fssh-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F09.ssh-protocol",{"title":4063,"path":4064,"stem":4065},"Огляд сучасних серверних технологій","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fmodern-backend-technologies","18.web-development\u002F01.network-architecture-and-protocols\u002F10.modern-backend-technologies",{"title":4067,"icon":4068,"path":4069,"stem":4070,"children":4071,"page":59},"Протокол HTTP та захищена передача даних HTTPS","i-lucide-lock","\u002Fweb-development\u002Fhttp-and-https","18.web-development\u002F02.http-and-https",[4072,4076,4080,4084,4088,4092,4096,4100],{"title":4073,"path":4074,"stem":4075},"Вступ до протоколу HTTP та еволюція веб-технологій","\u002Fweb-development\u002Fhttp-and-https\u002Fintroduction-and-evolution","18.web-development\u002F02.http-and-https\u002F01.introduction-and-evolution",{"title":4077,"path":4078,"stem":4079},"Анатомія HTTP-запиту","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-request-structure","18.web-development\u002F02.http-and-https\u002F02.http-request-structure",{"title":4081,"path":4082,"stem":4083},"Анатомія HTTP-відповіді","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-response-structure","18.web-development\u002F02.http-and-https\u002F03.http-response-structure",{"title":4085,"path":4086,"stem":4087},"Методи HTTP та їхня семантика","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-methods","18.web-development\u002F02.http-and-https\u002F04.http-methods",{"title":4089,"path":4090,"stem":4091},"Коди статусу HTTP та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-status-codes","18.web-development\u002F02.http-and-https\u002F05.http-status-codes",{"title":4093,"path":4094,"stem":4095},"HTTP-заголовки та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-headers","18.web-development\u002F02.http-and-https\u002F06.http-headers",{"title":4097,"path":4098,"stem":4099},"CORS та механізми безпеки HTTP","\u002Fweb-development\u002Fhttp-and-https\u002Fcors-and-security","18.web-development\u002F02.http-and-https\u002F07.cors-and-security",{"title":4101,"path":4102,"stem":4103},"HTTPS та криптографічні основи TLS","\u002Fweb-development\u002Fhttp-and-https\u002Fhttps-and-tls","18.web-development\u002F02.http-and-https\u002F08.https-and-tls",{"title":4105,"icon":2454,"path":4106,"stem":4107,"children":4108,"page":59},"Система типів мови TypeScript","\u002Fweb-development\u002Ftypescript-type-system","18.web-development\u002F03.typescript-type-system",[4109,4113,4117,4121,4125,4129],{"title":4110,"path":4111,"stem":4112},"Знайомство з TypeScript Compiler","\u002Fweb-development\u002Ftypescript-type-system\u002Fintroduction-compiler-config","18.web-development\u002F03.typescript-type-system\u002F01.introduction-compiler-config",{"title":4114,"path":4115,"stem":4116},"Примітивні типи даних: string, number, boolean","\u002Fweb-development\u002Ftypescript-type-system\u002Fprimitive-special-types","18.web-development\u002F03.typescript-type-system\u002F02.primitive-special-types",{"title":4118,"path":4119,"stem":4120},"Масиви, кортежі та об","\u002Fweb-development\u002Ftypescript-type-system\u002Farrays-tuples-objects","18.web-development\u002F03.typescript-type-system\u002F03.arrays-tuples-objects",{"title":4122,"path":4123,"stem":4124},"Псевдоніми типів, Union типи, Intersection типи та літеральні типи","\u002Fweb-development\u002Ftypescript-type-system\u002Funion-intersection-literals","18.web-development\u002F03.typescript-type-system\u002F04.union-intersection-literals",{"title":4126,"path":4127,"stem":4128},"Type Narrowing (звуження типів)","\u002Fweb-development\u002Ftypescript-type-system\u002Ftype-narrowing","18.web-development\u002F03.typescript-type-system\u002F05.type-narrowing",{"title":4130,"path":4131,"stem":4132},"Типізація функцій","\u002Fweb-development\u002Ftypescript-type-system\u002Ffunctions-typing","18.web-development\u002F03.typescript-type-system\u002F06.functions-typing",{"title":4134,"icon":2454,"path":4135,"stem":4136,"children":4137,"page":59},"Розширені засоби мови TypeScript","\u002Fweb-development\u002Ftypescript-advanced","18.web-development\u002F04.typescript-advanced",[4138,4142,4146,4150,4154,4158],{"title":4139,"path":4140,"stem":4141},"Interfaces та Classes","\u002Fweb-development\u002Ftypescript-advanced\u002Finterfaces-classes","18.web-development\u002F04.typescript-advanced\u002F01.interfaces-classes",{"title":4143,"path":4144,"stem":4145},"Основи Generic типів","\u002Fweb-development\u002Ftypescript-advanced\u002Fgenerics-fundamentals","18.web-development\u002F04.typescript-advanced\u002F02.generics-fundamentals",{"title":4147,"path":4148,"stem":4149},"Enums та Decorators","\u002Fweb-development\u002Ftypescript-advanced\u002Fenums-decorators","18.web-development\u002F04.typescript-advanced\u002F03.enums-decorators",{"title":4151,"path":4152,"stem":4153},"Utility Types","\u002Fweb-development\u002Ftypescript-advanced\u002Futility-types","18.web-development\u002F04.typescript-advanced\u002F04.utility-types",{"title":4155,"path":4156,"stem":4157},"Mapped та Conditional Types","\u002Fweb-development\u002Ftypescript-advanced\u002Fmapped-conditional-types","18.web-development\u002F04.typescript-advanced\u002F05.mapped-conditional-types",{"title":4159,"path":4160,"stem":4161},"Модулі та Strict Mode","\u002Fweb-development\u002Ftypescript-advanced\u002Fmodules-strict-mode","18.web-development\u002F04.typescript-advanced\u002F06.modules-strict-mode",{"title":4163,"icon":4164,"path":4165,"stem":4166,"children":4167,"page":59},"Платформа Node.js як середовище виконання","i-devicon-nodejs","\u002Fweb-development\u002Fnodejs-platform","18.web-development\u002F05.nodejs-platform",[4168,4172,4176,4180,4184,4188,4192,4196,4200,4204,4208,4211,4215],{"title":4169,"path":4170,"stem":4171},"Що таке Node.js та його архітектура","\u002Fweb-development\u002Fnodejs-platform\u002Fwhat-is-nodejs","18.web-development\u002F05.nodejs-platform\u002F01.what-is-nodejs",{"title":4173,"path":4174,"stem":4175},"Event Loop — серце Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fevent-loop","18.web-development\u002F05.nodejs-platform\u002F02.event-loop",{"title":4177,"path":4178,"stem":4179},"Модульні системи: CommonJS vs ES Modules","\u002Fweb-development\u002Fnodejs-platform\u002Fmodule-systems","18.web-development\u002F05.nodejs-platform\u002F03.module-systems",{"title":4181,"path":4182,"stem":4183},"npm та package.json","\u002Fweb-development\u002Fnodejs-platform\u002Fnpm-package-json","18.web-development\u002F05.nodejs-platform\u002F04.npm-package-json",{"title":4185,"path":4186,"stem":4187},"Глобальні об\\","\u002Fweb-development\u002Fnodejs-platform\u002Fglobal-objects","18.web-development\u002F05.nodejs-platform\u002F05.global-objects",{"title":4189,"path":4190,"stem":4191},"Вбудований модуль fs (File System)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-fs","18.web-development\u002F05.nodejs-platform\u002F06.built-in-modules-fs",{"title":4193,"path":4194,"stem":4195},"Вбудований модуль path","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-path","18.web-development\u002F05.nodejs-platform\u002F07.built-in-modules-path",{"title":4197,"path":4198,"stem":4199},"Вбудований модуль http","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-http","18.web-development\u002F05.nodejs-platform\u002F08.built-in-modules-http",{"title":4201,"path":4202,"stem":4203},"Streams — потоки даних у Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fstreams","18.web-development\u002F05.nodejs-platform\u002F09.streams",{"title":4205,"path":4206,"stem":4207},"Вбудований модуль util (Utilities)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-util","18.web-development\u002F05.nodejs-platform\u002F10.built-in-modules-util",{"title":3097,"path":4209,"stem":4210},"\u002Fweb-development\u002Fnodejs-platform\u002Fenvironment-variables","18.web-development\u002F05.nodejs-platform\u002F11.environment-variables",{"title":4212,"path":4213,"stem":4214},"Інструменти налагодження та розробки","\u002Fweb-development\u002Fnodejs-platform\u002Fdebugging-tools","18.web-development\u002F05.nodejs-platform\u002F12.debugging-tools",{"title":4216,"path":4217,"stem":4218},"Продуктивність та Best Practices","\u002Fweb-development\u002Fnodejs-platform\u002Fperformance-best-practices","18.web-development\u002F05.nodejs-platform\u002F13.performance-best-practices",{"title":4220,"icon":4221,"path":4222,"stem":4223,"children":4224,"page":59},"Асинхронне програмування у Node.js","i-lucide-clock","\u002Fweb-development\u002Fasync-programming-nodejs","18.web-development\u002F06.async-programming-nodejs",[4225,4229,4233,4237,4241,4245,4249,4253,4257,4261,4265],{"title":4226,"path":4227,"stem":4228},"Синхронний vs асинхронний код","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fsync-vs-async","18.web-development\u002F06.async-programming-nodejs\u002F01.sync-vs-async",{"title":4230,"path":4231,"stem":4232},"Callbacks — перша парадигма асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fcallbacks","18.web-development\u002F06.async-programming-nodejs\u002F02.callbacks",{"title":4234,"path":4235,"stem":4236},"Promises — стандарт асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromises","18.web-development\u002F06.async-programming-nodejs\u002F03.promises",{"title":4238,"path":4239,"stem":4240},"Promise комбінатори","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromise-combinators","18.web-development\u002F06.async-programming-nodejs\u002F04.promise-combinators",{"title":4242,"path":4243,"stem":4244},"Async\u002FAwait — синтаксичний цукор над Promises","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fasync-await","18.web-development\u002F06.async-programming-nodejs\u002F05.async-await",{"title":4246,"path":4247,"stem":4248},"Паралельне vs послідовне виконання","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fparallel-vs-sequential","18.web-development\u002F06.async-programming-nodejs\u002F06.parallel-vs-sequential",{"title":4250,"path":4251,"stem":4252},"EventEmitter — подієва модель Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fevent-emitter","18.web-development\u002F06.async-programming-nodejs\u002F07.event-emitter",{"title":4254,"path":4255,"stem":4256},"Worker Threads — багатопотоковість у Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fworker-threads","18.web-development\u002F06.async-programming-nodejs\u002F08.worker-threads",{"title":4258,"path":4259,"stem":4260},"Child Processes — запуск зовнішніх процесів","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fchild-processes","18.web-development\u002F06.async-programming-nodejs\u002F09.child-processes",{"title":4262,"path":4263,"stem":4264},"Обробка помилок у асинхронному коді","\u002Fweb-development\u002Fasync-programming-nodejs\u002Ferror-handling","18.web-development\u002F06.async-programming-nodejs\u002F10.error-handling",{"title":4266,"path":4267,"stem":4268},"Порівняння Node.js фреймворків","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fnodejs-frameworks","18.web-development\u002F06.async-programming-nodejs\u002F11.nodejs-frameworks",{"title":4270,"icon":4271,"path":4272,"stem":4273,"children":4274,"page":59},"Тема 7. Фреймворк NestJS. Контролери та маршрутизація","i-lucide-route","\u002Fweb-development\u002Fnestjs-controllers-routing","18.web-development\u002F07.nestjs-controllers-routing",[4275,4279,4283,4287,4291,4295,4299,4303,4307,4311,4315,4319,4323,4327,4331,4335,4339,4343,4347,4351,4355,4359],{"title":4276,"path":4277,"stem":4278},"Філософія та архітектура NestJS","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-philosophy","18.web-development\u002F07.nestjs-controllers-routing\u002F01.nestjs-philosophy",{"title":4280,"path":4281,"stem":4282},"Три стовпи архітектури: модулі, контролери, провайдери","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fthree-pillars","18.web-development\u002F07.nestjs-controllers-routing\u002F02.three-pillars",{"title":4284,"path":4285,"stem":4286},"Інверсія керування (IoC) та ін","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fioc-and-di","18.web-development\u002F07.nestjs-controllers-routing\u002F03.ioc-and-di",{"title":4288,"path":4289,"stem":4290},"Встановлення NestJS CLI та створення проєкту","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-setup","18.web-development\u002F07.nestjs-controllers-routing\u002F04.nestjs-cli-setup",{"title":4292,"path":4293,"stem":4294},"Структура проєкту NestJS та конвенції","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fproject-structure","18.web-development\u002F07.nestjs-controllers-routing\u002F05.project-structure",{"title":4296,"path":4297,"stem":4298},"Контролери: основи маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontrollers-basics","18.web-development\u002F07.nestjs-controllers-routing\u002F06.controllers-basics",{"title":4300,"path":4301,"stem":4302},"Декоратори маршрутизації HTTP-методів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F07.route-decorators",{"title":4304,"path":4305,"stem":4306},"Параметри маршруту та декоратор @Param","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F08.route-parameters",{"title":4308,"path":4309,"stem":4310},"Query-параметри та декоратор @Query","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fquery-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F09.query-parameters",{"title":4312,"path":4313,"stem":4314},"Тіло запиту та декоратор @Body","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-body","18.web-development\u002F07.nestjs-controllers-routing\u002F10.request-body",{"title":4316,"path":4317,"stem":4318},"Робота з заголовками запиту та відповіді","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fheaders-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F11.headers-decorators",{"title":4320,"path":4321,"stem":4322},"Data Transfer Objects (DTO): визначення та призначення","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fdto-introduction","18.web-development\u002F07.nestjs-controllers-routing\u002F12.dto-introduction",{"title":4324,"path":4325,"stem":4326},"Об'єкти Request та Response","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-response-objects","18.web-development\u002F07.nestjs-controllers-routing\u002F13.request-response-objects",{"title":4328,"path":4329,"stem":4330},"HTTP-статус коди та декоратор @HttpCode","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fhttp-status-codes","18.web-development\u002F07.nestjs-controllers-routing\u002F14.http-status-codes",{"title":4332,"path":4333,"stem":4334},"Перенаправлення (Redirects) та декоратор @Redirect","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fredirects","18.web-development\u002F07.nestjs-controllers-routing\u002F15.redirects",{"title":4336,"path":4337,"stem":4338},"Асинхронні обробники та Observables","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fasync-handlers","18.web-development\u002F07.nestjs-controllers-routing\u002F16.async-handlers",{"title":4340,"path":4341,"stem":4342},"Маршрутизація за піддоменами та версіонування API","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fsub-domain-routing","18.web-development\u002F07.nestjs-controllers-routing\u002F17.sub-domain-routing",{"title":4344,"path":4345,"stem":4346},"Області видимості контролерів (Scopes)","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontroller-scopes","18.web-development\u002F07.nestjs-controllers-routing\u002F18.controller-scopes",{"title":4348,"path":4349,"stem":4350},"Основні команди NestJS CLI","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-commands","18.web-development\u002F07.nestjs-controllers-routing\u002F19.nestjs-cli-commands",{"title":4352,"path":4353,"stem":4354},"Практичний приклад: створення CRUD-контролера","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcrud-example","18.web-development\u002F07.nestjs-controllers-routing\u002F20.crud-example",{"title":4356,"path":4357,"stem":4358},"Тестування контролерів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Ftesting-controllers","18.web-development\u002F07.nestjs-controllers-routing\u002F21.testing-controllers",{"title":4360,"path":4361,"stem":4362},"Best Practices для контролерів та маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fbest-practices","18.web-development\u002F07.nestjs-controllers-routing\u002F22.best-practices",{"title":4364,"icon":4365,"path":4366,"stem":4367,"children":4368,"page":59},"Тема 8. Провайдери, сервіси та модульна система NestJS","i-lucide-package","\u002Fweb-development\u002Fnestjs-providers-modules","18.web-development\u002F08.nestjs-providers-modules",[4369,4373,4377,4381,4385,4389,4393,4397,4401,4405,4409,4413,4417,4421,4425],{"title":4370,"path":4371,"stem":4372},"Концепція провайдерів у NestJS","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fproviders-concept","18.web-development\u002F08.nestjs-providers-modules\u002F01.providers-concept",{"title":4374,"path":4375,"stem":4376},"Сервіси: інкапсуляція бізнес-логіки","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fservices-business-logic","18.web-development\u002F08.nestjs-providers-modules\u002F02.services-business-logic",{"title":4378,"path":4379,"stem":4380},"Практика ін","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdependency-injection-practice","18.web-development\u002F08.nestjs-providers-modules\u002F03.dependency-injection-practice",{"title":4382,"path":4383,"stem":4384},"Custom Providers: useValue, useClass, useFactory, useExisting","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcustom-providers","18.web-development\u002F08.nestjs-providers-modules\u002F04.custom-providers",{"title":4386,"path":4387,"stem":4388},"Injection Tokens: рядкові та символьні токени","\u002Fweb-development\u002Fnestjs-providers-modules\u002Finjection-tokens","18.web-development\u002F08.nestjs-providers-modules\u002F05.injection-tokens",{"title":4390,"path":4391,"stem":4392},"Опціональні провайдери та декоратор @Optional","\u002Fweb-development\u002Fnestjs-providers-modules\u002Foptional-providers","18.web-development\u002F08.nestjs-providers-modules\u002F07.optional-providers",{"title":4394,"path":4395,"stem":4396},"Структура модулів: imports, controllers, providers, exports","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodules-structure","18.web-development\u002F08.nestjs-providers-modules\u002F08.modules-structure",{"title":4398,"path":4399,"stem":4400},"Feature Modules: ізоляція функціональності","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ffeature-modules","18.web-development\u002F08.nestjs-providers-modules\u002F09.feature-modules",{"title":4402,"path":4403,"stem":4404},"Shared Modules: перевикористання провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fshared-modules","18.web-development\u002F08.nestjs-providers-modules\u002F10.shared-modules",{"title":4406,"path":4407,"stem":4408},"Global Modules та декоратор @Global","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fglobal-modules","18.web-development\u002F08.nestjs-providers-modules\u002F11.global-modules",{"title":4410,"path":4411,"stem":4412},"Dynamic Modules: конфігурація під час виконання","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdynamic-modules","18.web-development\u002F08.nestjs-providers-modules\u002F12.dynamic-modules",{"title":4414,"path":4415,"stem":4416},"Циклічні залежності та forwardRef","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcircular-dependencies","18.web-development\u002F08.nestjs-providers-modules\u002F13.circular-dependencies",{"title":4418,"path":4419,"stem":4420},"Lifecycle Hooks: хуки життєвого циклу","\u002Fweb-development\u002Fnestjs-providers-modules\u002Flifecycle-hooks","18.web-development\u002F08.nestjs-providers-modules\u002F14.lifecycle-hooks",{"title":4422,"path":4423,"stem":4424},"ModuleRef: динамічний доступ до провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodule-reference","18.web-development\u002F08.nestjs-providers-modules\u002F15.module-reference",{"title":4426,"path":4427,"stem":4428},"Тестування сервісів та провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ftesting-services","18.web-development\u002F08.nestjs-providers-modules\u002F16.testing-services",{"title":4430,"icon":4431,"path":4432,"stem":4433,"children":4434,"page":59},"Тема 9. Валідація даних та конвеєр обробки запитів у NestJS","i-lucide-filter","\u002Fweb-development\u002Fnestjs-validation-pipeline","18.web-development\u002F09.nestjs-validation-pipeline",[4435,4439,4443,4447,4451,4455,4459,4463,4467,4471,4475,4479,4483,4487,4491,4495,4499,4503,4507],{"title":4436,"path":4437,"stem":4438},"Request Pipeline: конвеєр обробки запитів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Frequest-pipeline","18.web-development\u002F09.nestjs-validation-pipeline\u002F01.request-pipeline",{"title":4440,"path":4441,"stem":4442},"Pipes: концепція трансформації та валідації","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipes-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F02.pipes-concept",{"title":4444,"path":4445,"stem":4446},"Вбудовані pipes: ParseIntPipe, ParseBoolPipe, ParseUUIDPipe","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fbuilt-in-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F03.built-in-pipes",{"title":4448,"path":4449,"stem":4450},"ValidationPipe: автоматична валідація DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fvalidation-pipe","18.web-development\u002F09.nestjs-validation-pipeline\u002F04.validation-pipe",{"title":4452,"path":4453,"stem":4454},"Декоратори class-validator для DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fclass-validator-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F05.class-validator-decorators",{"title":4456,"path":4457,"stem":4458},"Створення кастомних валідаторів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-validators","18.web-development\u002F09.nestjs-validation-pipeline\u002F06.custom-validators",{"title":4460,"path":4461,"stem":4462},"Створення власних Pipes","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F07.custom-pipes",{"title":4464,"path":4465,"stem":4466},"Основи Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-basics","18.web-development\u002F09.nestjs-validation-pipeline\u002F08.middleware-basics",{"title":4468,"path":4469,"stem":4470},"Практичні приклади Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F09.middleware-examples",{"title":4472,"path":4473,"stem":4474},"Guards: захисні перехоплювачі доступу","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fguards-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F10.guards-concept",{"title":4476,"path":4477,"stem":4478},"Створення кастомних Guards","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-guards","18.web-development\u002F09.nestjs-validation-pipeline\u002F11.custom-guards",{"title":4480,"path":4481,"stem":4482},"Interceptors: перехоплення та трансформація відповідей","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptors-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F12.interceptors-concept",{"title":4484,"path":4485,"stem":4486},"Практичні приклади Interceptors","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptor-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F13.interceptor-examples",{"title":4488,"path":4489,"stem":4490},"Exception Filters: обробка виключень","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F14.exception-filters",{"title":4492,"path":4493,"stem":4494},"Custom Exception Filters: спеціалізовані фільтри","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-exception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F15.custom-exception-filters",{"title":4496,"path":4497,"stem":4498},"Execution Context: контекст виконання","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexecution-context","18.web-development\u002F09.nestjs-validation-pipeline\u002F16.execution-context",{"title":4500,"path":4501,"stem":4502},"Custom Decorators: власні декоратори","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F17.custom-decorators",{"title":4504,"path":4505,"stem":4506},"Global Components: глобальні компоненти","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fglobal-components","18.web-development\u002F09.nestjs-validation-pipeline\u002F18.global-components",{"title":4508,"path":4509,"stem":4510},"Pipeline Best Practices: найкращі практики","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipeline-best-practices","18.web-development\u002F09.nestjs-validation-pipeline\u002F19.pipeline-best-practices",{"title":4512,"icon":2821,"path":4513,"stem":4514,"children":4515,"page":59},"Інтеграція реляційних баз даних засобами TypeORM","\u002Fweb-development\u002Ftypeorm-integration","18.web-development\u002F10.typeorm-integration",[4516,4520,4524,4528,4532,4536,4540],{"title":4517,"path":4518,"stem":4519},"Робота з базами даних у Node.js через нативні драйвери","\u002Fweb-development\u002Ftypeorm-integration\u002F01-nodejs-database-drivers","18.web-development\u002F10.typeorm-integration\u002F01-nodejs-database-drivers",{"title":4521,"path":4522,"stem":4523},"ORM та знайомство з TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F02-orm-and-typeorm-intro","18.web-development\u002F10.typeorm-integration\u002F02-orm-and-typeorm-intro",{"title":4525,"path":4526,"stem":4527},"Налаштування TypeORM у NestJS проєкті","\u002Fweb-development\u002Ftypeorm-integration\u002F03-typeorm-setup-nestjs","18.web-development\u002F10.typeorm-integration\u002F03-typeorm-setup-nestjs",{"title":4529,"path":4530,"stem":4531},"Entity класи та декоратори TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F04-entities-and-decorators","18.web-development\u002F10.typeorm-integration\u002F04-entities-and-decorators",{"title":4533,"path":4534,"stem":4535},"Repository Pattern та CRUD операції","\u002Fweb-development\u002Ftypeorm-integration\u002F05-repository-pattern-crud","18.web-development\u002F10.typeorm-integration\u002F05-repository-pattern-crud",{"title":4537,"path":4538,"stem":4539},"Пагінація та фільтрація даних","\u002Fweb-development\u002Ftypeorm-integration\u002F06-pagination-filtering","18.web-development\u002F10.typeorm-integration\u002F06-pagination-filtering",{"title":4541,"path":4542,"stem":4543},"QueryBuilder для складних запитів","\u002Fweb-development\u002Ftypeorm-integration\u002F07-query-builder","18.web-development\u002F10.typeorm-integration\u002F07-query-builder",{"title":4545,"icon":4546,"path":4547,"stem":4548,"children":4549,"page":59},"Зв'язки між сутностями, міграції та оптимізація запитів","i-lucide-git-branch","\u002Fweb-development\u002Fentity-relations-migrations","18.web-development\u002F11.entity-relations-migrations",[4550,4554,4558,4562,4566],{"title":4551,"path":4552,"stem":4553},"Зв'язки One-to-Many та Many-to-One","\u002Fweb-development\u002Fentity-relations-migrations\u002F01-one-to-many-many-to-one","18.web-development\u002F11.entity-relations-migrations\u002F01-one-to-many-many-to-one",{"title":4555,"path":4556,"stem":4557},"Зв'язки One-to-One та Many-to-Many","\u002Fweb-development\u002Fentity-relations-migrations\u002F02-one-to-one-many-to-many","18.web-development\u002F11.entity-relations-migrations\u002F02-one-to-one-many-to-many",{"title":4559,"path":4560,"stem":4561},"Керування міграціями бази даних","\u002Fweb-development\u002Fentity-relations-migrations\u002F03-migrations-management","18.web-development\u002F11.entity-relations-migrations\u002F03-migrations-management",{"title":4563,"path":4564,"stem":4565},"Транзакції у TypeORM","\u002Fweb-development\u002Fentity-relations-migrations\u002F04-transactions","18.web-development\u002F11.entity-relations-migrations\u002F04-transactions",{"title":4567,"path":4568,"stem":4569,"children":4570},"Індекси та оптимізація запитів","\u002Fweb-development\u002Fentity-relations-migrations\u002F05-indexes-optimization","18.web-development\u002F11.entity-relations-migrations\u002F05-indexes-optimization",[4571],{"title":4567,"path":4568,"stem":4569},{"title":4573,"icon":4574,"path":4575,"stem":4576,"children":4577,"page":59},"Механізми автентифікації у вебзастосунках","i-lucide-key","\u002Fweb-development\u002Fauthentication","18.web-development\u002F12.authentication",[4578,4582,4586,4590,4594,4598,4602,4606,4610],{"title":4579,"path":4580,"stem":4581},"Автентифікація vs Авторизація","\u002Fweb-development\u002Fauthentication\u002F01-authentication-vs-authorization","18.web-development\u002F12.authentication\u002F01-authentication-vs-authorization",{"title":4583,"path":4584,"stem":4585},"Стратегії автентифікації","\u002Fweb-development\u002Fauthentication\u002F02-authentication-strategies","18.web-development\u002F12.authentication\u002F02-authentication-strategies",{"title":4587,"path":4588,"stem":4589},"Автентифікація на основі сесій","\u002Fweb-development\u002Fauthentication\u002F03-session-based-authentication","18.web-development\u002F12.authentication\u002F03-session-based-authentication",{"title":4591,"path":4592,"stem":4593},"Структура JSON Web Token (JWT)","\u002Fweb-development\u002Fauthentication\u002F04-jwt-structure","18.web-development\u002F12.authentication\u002F04-jwt-structure",{"title":4595,"path":4596,"stem":4597},"Інтеграція JWT у NestJS","\u002Fweb-development\u002Fauthentication\u002F05-nestjs-jwt-integration","18.web-development\u002F12.authentication\u002F05-nestjs-jwt-integration",{"title":4599,"path":4600,"stem":4601},"Passport.js стратегії у NestJS","\u002Fweb-development\u002Fauthentication\u002F06-passport-strategies","18.web-development\u002F12.authentication\u002F06-passport-strategies",{"title":4603,"path":4604,"stem":4605},"Безпечне зберігання паролів: хешування та криптографічний захист","\u002Fweb-development\u002Fauthentication\u002F07-password-hashing","18.web-development\u002F12.authentication\u002F07-password-hashing",{"title":4607,"path":4608,"stem":4609},"Refresh Token та безпечне оновлення доступу","\u002Fweb-development\u002Fauthentication\u002F08-refresh-tokens","18.web-development\u002F12.authentication\u002F08-refresh-tokens",{"title":4611,"path":4612,"stem":4613},"OAuth 2.0 та OpenID Connect: делегована автентифікація","\u002Fweb-development\u002Fauthentication\u002F09-oauth2-openid","18.web-development\u002F12.authentication\u002F09-oauth2-openid",{"title":4615,"icon":4616,"path":4617,"stem":4618,"children":4619,"page":59},"Авторизація та безпека серверних застосунків","i-lucide-shield","\u002Fweb-development\u002Fauthorization-security","18.web-development\u002F13.authorization-security",[4620,4624,4628,4632,4636,4640,4644,4648,4652,4656],{"title":4621,"path":4622,"stem":4623},"Моделі авторизації","\u002Fweb-development\u002Fauthorization-security\u002F01-authorization-models","18.web-development\u002F13.authorization-security\u002F01-authorization-models",{"title":4625,"path":4626,"stem":4627},"Реалізація RBAC у NestJS","\u002Fweb-development\u002Fauthorization-security\u002F02-rbac-implementation","18.web-development\u002F13.authorization-security\u002F02-rbac-implementation",{"title":4629,"path":4630,"stem":4631},"Permission-Based Access Control","\u002Fweb-development\u002Fauthorization-security\u002F03-permission-based-access","18.web-development\u002F13.authorization-security\u002F03-permission-based-access",{"title":4633,"path":4634,"stem":4635},"ABAC та бібліотека CASL","\u002Fweb-development\u002Fauthorization-security\u002F04-abac-casl","18.web-development\u002F13.authorization-security\u002F04-abac-casl",{"title":4637,"path":4638,"stem":4639},"Кастомні декоратори та метадані","\u002Fweb-development\u002Fauthorization-security\u002F05-custom-decorators-metadata","18.web-development\u002F13.authorization-security\u002F05-custom-decorators-metadata",{"title":4641,"path":4642,"stem":4643},"Конфігурація CORS","\u002Fweb-development\u002Fauthorization-security\u002F06-cors-configuration","18.web-development\u002F13.authorization-security\u002F06-cors-configuration",{"title":4645,"path":4646,"stem":4647},"Захист через HTTP Security Headers (Helmet)","\u002Fweb-development\u002Fauthorization-security\u002F07-helmet-security-headers","18.web-development\u002F13.authorization-security\u002F07-helmet-security-headers",{"title":4649,"path":4650,"stem":4651},"Rate Limiting та Throttling","\u002Fweb-development\u002Fauthorization-security\u002F08-rate-limiting-throttling","18.web-development\u002F13.authorization-security\u002F08-rate-limiting-throttling",{"title":4653,"path":4654,"stem":4655},"Захист від поширених атак","\u002Fweb-development\u002Fauthorization-security\u002F09-common-attacks-protection","18.web-development\u002F13.authorization-security\u002F09-common-attacks-protection",{"title":4657,"path":4658,"stem":4659},"HTTPS у продакшені","\u002Fweb-development\u002Fauthorization-security\u002F10-https-production","18.web-development\u002F13.authorization-security\u002F10-https-production",{"title":4661,"icon":871,"path":4662,"stem":4663,"children":4664,"page":59},"Комунікація у реальному часі, нотифікації та фонові задачі","\u002Fweb-development\u002Frealtime-notifications-jobs","18.web-development\u002F14.realtime-notifications-jobs",[4665,4669,4673,4677,4681,4685,4688,4691,4695,4699],{"title":4666,"path":4667,"stem":4668},"Методи комунікації у реальному часі","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F01-realtime-communication-methods","18.web-development\u002F14.realtime-notifications-jobs\u002F01-realtime-communication-methods",{"title":4670,"path":4671,"stem":4672},"WebSocket Gateway у NestJS","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F02-websocket-gateway","18.web-development\u002F14.realtime-notifications-jobs\u002F02-websocket-gateway",{"title":4674,"path":4675,"stem":4676},"Lifecycle та Rooms у WebSocket","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F03-websocket-lifecycle-rooms","18.web-development\u002F14.realtime-notifications-jobs\u002F03-websocket-lifecycle-rooms",{"title":4678,"path":4679,"stem":4680},"Server-Sent Events (SSE)","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F04-server-sent-events","18.web-development\u002F14.realtime-notifications-jobs\u002F04-server-sent-events",{"title":4682,"path":4683,"stem":4684},"Архітектура системи нотифікацій","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F05-notification-system","18.web-development\u002F14.realtime-notifications-jobs\u002F05-notification-system",{"title":904,"path":4686,"stem":4687},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F06-email-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F06-email-notifications",{"title":900,"path":4689,"stem":4690},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F07-web-push-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F07-web-push-notifications",{"title":4692,"path":4693,"stem":4694},"Фонові задачі та черги","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F08-background-jobs-queues","18.web-development\u002F14.realtime-notifications-jobs\u002F08-background-jobs-queues",{"title":4696,"path":4697,"stem":4698},"Планувальники та Cron jobs","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F09-schedulers-cron","18.web-development\u002F14.realtime-notifications-jobs\u002F09-schedulers-cron",{"title":4700,"path":4701,"stem":4702},"Практичні сценарії застосування","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F10-practical-scenarios","18.web-development\u002F14.realtime-notifications-jobs\u002F10-practical-scenarios",{"title":4704,"icon":4705,"path":4706,"stem":4707,"children":4708,"page":59},"Тестування, документування та розгортання застосунків","i-lucide-rocket","\u002Fweb-development\u002Ftesting-documentation-deployment","18.web-development\u002F15.testing-documentation-deployment",[4709,4713,4717,4721,4725,4729,4733,4737,4741,4745],{"title":4710,"path":4711,"stem":4712},"Піраміда тестування та стратегія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F01-testing-pyramid-strategy","18.web-development\u002F15.testing-documentation-deployment\u002F01-testing-pyramid-strategy",{"title":4714,"path":4715,"stem":4716},"Основи Jest у NestJS","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F02-jest-nestjs-basics","18.web-development\u002F15.testing-documentation-deployment\u002F02-jest-nestjs-basics",{"title":4718,"path":4719,"stem":4720},"Unit-тестування сервісів","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F03-unit-testing-services","18.web-development\u002F15.testing-documentation-deployment\u002F03-unit-testing-services",{"title":4722,"path":4723,"stem":4724},"E2E тестування та покриття коду","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F04-e2e-testing-coverage","18.web-development\u002F15.testing-documentation-deployment\u002F04-e2e-testing-coverage",{"title":4726,"path":4727,"stem":4728},"Swagger, OpenAPI, Scalar та Arazzo","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F05-swagger-openapi","18.web-development\u002F15.testing-documentation-deployment\u002F05-swagger-openapi",{"title":4730,"path":4731,"stem":4732},"Керування конфігурацією","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F06-configuration-management","18.web-development\u002F15.testing-documentation-deployment\u002F06-configuration-management",{"title":4734,"path":4735,"stem":4736},"Docker та контейнеризація","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F07-docker-containerization","18.web-development\u002F15.testing-documentation-deployment\u002F07-docker-containerization",{"title":4738,"path":4739,"stem":4740},"CI\u002FCD Pipelines","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F08-cicd-pipelines","18.web-development\u002F15.testing-documentation-deployment\u002F08-cicd-pipelines",{"title":4742,"path":4743,"stem":4744},"Логування та моніторинг","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F09-logging-monitoring","18.web-development\u002F15.testing-documentation-deployment\u002F09-logging-monitoring",{"title":4746,"path":4747,"stem":4748},"Серіалізація та компресія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F10-serialization-compression","18.web-development\u002F15.testing-documentation-deployment\u002F10-serialization-compression",{"title":4750,"icon":4751,"path":4752,"stem":4753,"children":4754,"page":59},"AI Core: мислення AI","i-lucide-brain","\u002Fai-core","19.ai-core",[4755,4796,4845,4883],{"title":4756,"icon":4705,"path":4757,"stem":4758,"children":4759,"page":59},"Вхід у професію AI Native Developer","\u002Fai-core\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer",[4760,4764,4768,4772,4776,4780,4784,4788,4792],{"title":4761,"path":4762,"stem":4763},"Вступ до професії розробника цифрових продуктів","\u002Fai-core\u002Fai-native-developer\u002Fdigital-products","19.ai-core\u002F01.ai-native-developer\u002F01.digital-products",{"title":4765,"path":4766,"stem":4767},"Професія розробника програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fsoftware-developer","19.ai-core\u002F01.ai-native-developer\u002F02.software-developer",{"title":4769,"path":4770,"stem":4771},"Професія AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer\u002F03.ai-native-developer",{"title":4773,"path":4774,"stem":4775},"Вплив AI на розробку програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fai-impact-on-development","19.ai-core\u002F01.ai-native-developer\u002F04.ai-impact-on-development",{"title":4777,"path":4778,"stem":4779},"Життєвий цикл цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fproduct-lifecycle","19.ai-core\u002F01.ai-native-developer\u002F05.product-lifecycle",{"title":4781,"path":4782,"stem":4783},"Застосування AI на етапах створення цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fai-in-product-creation","19.ai-core\u002F01.ai-native-developer\u002F06.ai-in-product-creation",{"title":4785,"path":4786,"stem":4787},"Розподіл завдань між людиною та AI","\u002Fai-core\u002Fai-native-developer\u002Fhuman-vs-ai-tasks","19.ai-core\u002F01.ai-native-developer\u002F07.human-vs-ai-tasks",{"title":4789,"path":4790,"stem":4791},"Компетенції AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcompetencies","19.ai-core\u002F01.ai-native-developer\u002F08.competencies",{"title":4793,"path":4794,"stem":4795},"Карта професійного розвитку AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcareer-roadmap","19.ai-core\u002F01.ai-native-developer\u002F09.career-roadmap",{"title":4797,"icon":255,"path":4798,"stem":4799,"children":4800,"page":59},"Штучний інтелект і машинне навчання","\u002Fai-core\u002Fai-and-machine-learning","19.ai-core\u002F02.ai-and-machine-learning",[4801,4805,4809,4813,4817,4821,4825,4829,4833,4837,4841],{"title":4802,"path":4803,"stem":4804},"Штучний інтелект","\u002Fai-core\u002Fai-and-machine-learning\u002Fwhat-is-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F01.what-is-ai",{"title":4806,"path":4807,"stem":4808},"Відмінність AI від інших програмних систем","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-vs-automation","19.ai-core\u002F02.ai-and-machine-learning\u002F02.ai-vs-automation",{"title":4810,"path":4811,"stem":4812},"Завдання штучного інтелекту","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-tasks","19.ai-core\u002F02.ai-and-machine-learning\u002F03.ai-tasks",{"title":4814,"path":4815,"stem":4816},"Machine Learning","\u002Fai-core\u002Fai-and-machine-learning\u002Fmachine-learning","19.ai-core\u002F02.ai-and-machine-learning\u002F04.machine-learning",{"title":4818,"path":4819,"stem":4820},"Machine Learning Workflow","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-workflow","19.ai-core\u002F02.ai-and-machine-learning\u002F05.ml-workflow",{"title":4822,"path":4823,"stem":4824},"Типи машинного навчання","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-types","19.ai-core\u002F02.ai-and-machine-learning\u002F06.ml-types",{"title":4826,"path":4827,"stem":4828},"Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fgenerative-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F07.generative-ai",{"title":4830,"path":4831,"stem":4832},"Типи контенту, створюваного AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-content-types","19.ai-core\u002F02.ai-and-machine-learning\u002F08.ai-content-types",{"title":4834,"path":4835,"stem":4836},"Великі мовні моделі","\u002Fai-core\u002Fai-and-machine-learning\u002Flarge-language-models","19.ai-core\u002F02.ai-and-machine-learning\u002F09.large-language-models",{"title":4838,"path":4839,"stem":4840},"Можливості та обмеження Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fcapabilities-and-limitations","19.ai-core\u002F02.ai-and-machine-learning\u002F10.capabilities-and-limitations",{"title":4842,"path":4843,"stem":4844},"Сучасні AI-асистенти","\u002Fai-core\u002Fai-and-machine-learning\u002Fmodern-ai-assistants","19.ai-core\u002F02.ai-and-machine-learning\u002F11.modern-ai-assistants",{"title":4846,"icon":4847,"path":4848,"stem":4849,"children":4850,"page":59},"Постановка завдань для AI: принципи створення промптів","i-lucide-message-square-text","\u002Fai-core\u002Fprompt-engineering","19.ai-core\u002F03.prompt-engineering",[4851,4855,4859,4863,4867,4871,4875,4879],{"title":4852,"path":4853,"stem":4854},"Промпт як інструмент","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-as-tool","19.ai-core\u002F03.prompt-engineering\u002F01.prompt-as-tool",{"title":4856,"path":4857,"stem":4858},"Принципи створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-principles","19.ai-core\u002F03.prompt-engineering\u002F02.prompt-principles",{"title":4860,"path":4861,"stem":4862},"Структура промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-structure","19.ai-core\u002F03.prompt-engineering\u002F03.prompt-structure",{"title":4864,"path":4865,"stem":4866},"Види промптів за типом задачі","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-types","19.ai-core\u002F03.prompt-engineering\u002F04.prompt-types",{"title":4868,"path":4869,"stem":4870},"Прийоми посилення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-enhancement","19.ai-core\u002F03.prompt-engineering\u002F05.prompt-enhancement",{"title":4872,"path":4873,"stem":4874},"Розбір і покращення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-analysis","19.ai-core\u002F03.prompt-engineering\u002F06.prompt-analysis",{"title":4876,"path":4877,"stem":4878},"Типові помилки під час створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fcommon-mistakes","19.ai-core\u002F03.prompt-engineering\u002F07.common-mistakes",{"title":4880,"path":4881,"stem":4882},"Практикум: особиста бібліотека промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-library","19.ai-core\u002F03.prompt-engineering\u002F08.prompt-library",{"title":4884,"icon":793,"path":4885,"stem":4886,"children":4887,"page":59},"Перевірка результатів, безпека та AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow","19.ai-core\u002F04.verification-security-workflow",[4888,4892,4896,4900,4904,4908,4912,4916,4920],{"title":4889,"path":4890,"stem":4891},"Межі можливостей AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-limitations","19.ai-core\u002F04.verification-security-workflow\u002F01.ai-limitations",{"title":4893,"path":4894,"stem":4895},"Галюцинації AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-hallucinations","19.ai-core\u002F04.verification-security-workflow\u002F02.ai-hallucinations",{"title":4897,"path":4898,"stem":4899},"Критичне мислення під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fcritical-thinking","19.ai-core\u002F04.verification-security-workflow\u002F03.critical-thinking",{"title":4901,"path":4902,"stem":4903},"Перевірка результатів роботи AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresult-verification","19.ai-core\u002F04.verification-security-workflow\u002F04.result-verification",{"title":4905,"path":4906,"stem":4907},"Захист даних під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fdata-protection","19.ai-core\u002F04.verification-security-workflow\u002F05.data-protection",{"title":4909,"path":4910,"stem":4911},"Авторське право та навчальна доброчесність","\u002Fai-core\u002Fverification-security-workflow\u002Fcopyright-integrity","19.ai-core\u002F04.verification-security-workflow\u002F06.copyright-integrity",{"title":4913,"path":4914,"stem":4915},"Відповідальне використання AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresponsible-use","19.ai-core\u002F04.verification-security-workflow\u002F07.responsible-use",{"title":4917,"path":4918,"stem":4919},"AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow\u002Fai-native-workflow","19.ai-core\u002F04.verification-security-workflow\u002F08.ai-native-workflow",{"title":4921,"path":4922,"stem":4923},"Застосування AI Native Workflow під час створення цифрового продукту","\u002Fai-core\u002Fverification-security-workflow\u002Fworkflow-in-practice","19.ai-core\u002F04.verification-security-workflow\u002F09.workflow-in-practice",{"title":4925,"icon":4926,"path":4927,"stem":4928,"children":4929,"page":59},"AI Developer: Vibe Coding Sprint","i-lucide-code-xml","\u002Fai-developer","20.ai-developer",[4930,4956,4978,4999],{"title":4931,"icon":4932,"path":4933,"stem":4934,"children":4935,"page":59},"Проєктування і чорнова версія","i-lucide-pencil-ruler","\u002Fai-developer\u002Fdraft-creation","20.ai-developer\u002F01.draft-creation",[4936,4940,4944,4948,4952],{"title":4937,"path":4938,"stem":4939},"Парадигма Vibe Coding Workflow","\u002Fai-developer\u002Fdraft-creation\u002Fvibe-coding-workflow","20.ai-developer\u002F01.draft-creation\u002F01.vibe-coding-workflow",{"title":4941,"path":4942,"stem":4943},"AI-середовище швидкої розробки","\u002Fai-developer\u002Fdraft-creation\u002Fai-ide-environment","20.ai-developer\u002F01.draft-creation\u002F02.ai-ide-environment",{"title":4945,"path":4946,"stem":4947},"Користувацьке завдання та межі першої версії","\u002Fai-developer\u002Fdraft-creation\u002Fproduct-scope-and-mvp","20.ai-developer\u002F01.draft-creation\u002F03.product-scope-and-mvp",{"title":4949,"path":4950,"stem":4951},"Архітектура інтерфейсу та стани застосунку","\u002Fai-developer\u002Fdraft-creation\u002Fapplication-architecture-and-states","20.ai-developer\u002F01.draft-creation\u002F04.application-architecture-and-states",{"title":4953,"path":4954,"stem":4955},"Генерація та фіксація чорнової версії","\u002Fai-developer\u002Fdraft-creation\u002Fgenerating-draft-version","20.ai-developer\u002F01.draft-creation\u002F05.generating-draft-version",{"title":4957,"icon":4958,"path":4959,"stem":4960,"children":4961,"page":59},"Перша робоча версія","i-lucide-play-circle","\u002Fai-developer\u002Ffirst-working-version","20.ai-developer\u002F02.first-working-version",[4962,4966,4970,4974],{"title":4963,"path":4964,"stem":4965},"Уточнення контексту проєкту для AI","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-project-context","20.ai-developer\u002F02.first-working-version\u002F01.refining-project-context",{"title":4967,"path":4968,"stem":4969},"Стратегія завдань для AI-розробки","\u002Fai-developer\u002Ffirst-working-version\u002Fai-prompting-strategy","20.ai-developer\u002F02.first-working-version\u002F02.ai-prompting-strategy",{"title":4971,"path":4972,"stem":4973},"Доопрацювання до першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-to-working-version","20.ai-developer\u002F02.first-working-version\u002F03.refining-to-working-version",{"title":4975,"path":4976,"stem":4977},"Перевірка першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Ftesting-first-working-version","20.ai-developer\u002F02.first-working-version\u002F04.testing-first-working-version",{"title":4979,"icon":3028,"path":4980,"stem":4981,"children":4982,"page":59},"Ітерації, дебагінг та відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery","20.ai-developer\u002F03.iteration-debugging-recovery",[4983,4987,4991,4995],{"title":4984,"path":4985,"stem":4986},"Управління точковими змінами продукту","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fchange-management","20.ai-developer\u002F03.iteration-debugging-recovery\u002F01.change-management",{"title":4988,"path":4989,"stem":4990},"Надійність інтерфейсу та обробка помилок","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fscenario-reliability-and-errors","20.ai-developer\u002F03.iteration-debugging-recovery\u002F02.scenario-reliability-and-errors",{"title":4992,"path":4993,"stem":4994},"Керування контекстом і збереження версій","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fproject-context-and-versions","20.ai-developer\u002F03.iteration-debugging-recovery\u002F03.project-context-and-versions",{"title":4996,"path":4997,"stem":4998},"Збої AI-розробки, ліміти та аварійне відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fai-breakdowns-and-recovery","20.ai-developer\u002F03.iteration-debugging-recovery\u002F04.ai-breakdowns-and-recovery",{"title":5000,"icon":5001,"path":5002,"stem":5003,"children":5004,"page":59},"Перевірка та завершення продукту","i-lucide-check-check","\u002Fai-developer\u002Fverification-and-completion","20.ai-developer\u002F04.verification-and-completion",[5005,5009,5013],{"title":5006,"path":5007,"stem":5008},"Комплексний аудит та підсумкове тестування","\u002Fai-developer\u002Fverification-and-completion\u002Ffinal-product-testing","20.ai-developer\u002F04.verification-and-completion\u002F01.final-product-testing",{"title":5010,"path":5011,"stem":5012},"Підготовка підсумкової версії коду","\u002Fai-developer\u002Fverification-and-completion\u002Fpreparing-release-version","20.ai-developer\u002F04.verification-and-completion\u002F02.preparing-release-version",{"title":5014,"path":5015,"stem":5016},"Демонстрація, публікація та критерії оцінювання","\u002Fai-developer\u002Fverification-and-completion\u002Fproduct-showcase-and-publishing","20.ai-developer\u002F04.verification-and-completion\u002F03.product-showcase-and-publishing",{"title":5018,"path":5019,"stem":5020,"children":5021,"page":59},"Tailwind","\u002Ftailwind","21.tailwind",[5022,5026,5030,5034,5038,5042,5046,5050,5054,5058,5062,5066],{"title":5023,"path":5024,"stem":5025},"Що таке Tailwind CSS і навіщо він потрібен","\u002Ftailwind\u002Ftailwind-intro-philosophy","21.tailwind\u002F01.tailwind-intro-philosophy",{"title":5027,"path":5028,"stem":5029},"Встановлення та налаштування Tailwind CSS v4","\u002Ftailwind\u002Ftailwind-installation-setup","21.tailwind\u002F02.tailwind-installation-setup",{"title":5031,"path":5032,"stem":5033},"Utility-класи: основи та система Tailwind","\u002Ftailwind\u002Ftailwind-utility-classes-core","21.tailwind\u002F03.tailwind-utility-classes-core",{"title":5035,"path":5036,"stem":5037},"Layout: Flexbox та Grid через Tailwind","\u002Ftailwind\u002Ftailwind-flexbox-grid","21.tailwind\u002F04.tailwind-flexbox-grid",{"title":5039,"path":5040,"stem":5041},"Кастомізація теми через @theme у Tailwind v4","\u002Ftailwind\u002Ftailwind-theme-customization","21.tailwind\u002F05.tailwind-theme-customization",{"title":5043,"path":5044,"stem":5045},"Варіанти: hover, focus, responsive, dark mode та нові v4","\u002Ftailwind\u002Ftailwind-variants-states","21.tailwind\u002F06.tailwind-variants-states",{"title":5047,"path":5048,"stem":5049},"Типографіка та система кольорів у Tailwind v4","\u002Ftailwind\u002Ftailwind-typography-colors","21.tailwind\u002F07.tailwind-typography-colors",{"title":5051,"path":5052,"stem":5053},"Компоненти та повторюваність: @apply, @utility та патерни","\u002Ftailwind\u002Ftailwind-components-patterns","21.tailwind\u002F08.tailwind-components-patterns",{"title":5055,"path":5056,"stem":5057},"Темна тема та система дизайн-токенів у Tailwind v4","\u002Ftailwind\u002Ftailwind-dark-mode-theming","21.tailwind\u002F09.tailwind-dark-mode-theming",{"title":5059,"path":5060,"stem":5061},"Довільні значення та контейнерні запити у Tailwind v4","\u002Ftailwind\u002Ftailwind-arbitrary-container-queries","21.tailwind\u002F10.tailwind-arbitrary-container-queries",{"title":5063,"path":5064,"stem":5065},"Анімації, трансформації та 3D у Tailwind v4","\u002Ftailwind\u002Ftailwind-animations-transforms","21.tailwind\u002F11.tailwind-animations-transforms",{"title":5067,"path":5068,"stem":5069},"Tailwind CLI, PostCSS та інтеграція з фреймворками","\u002Ftailwind\u002Ftailwind-cli-tooling","21.tailwind\u002F12.tailwind-cli-tooling",{"title":5071,"path":5072,"stem":5073},"Тестування компонентів діаграм","\u002Ftest-components","98.test-components",{"id":5075,"title":4517,"body":5076,"description":5233,"extension":18130,"links":18131,"meta":18132,"navigation":5267,"path":4518,"seo":18133,"stem":4519,"__hash__":18134},"docs\u002F18.web-development\u002F10.typeorm-integration\u002F01-nodejs-database-drivers.md",{"type":5077,"value":5078,"toc":18082},"minimark",[5079,5083,5161,5164,5169,5173,5215,5223,5398,5400,5404,5412,5426,5431,5487,5494,5498,5504,5605,5612,5725,5736,5742,5750,5756,6056,6075,6083,6091,6322,6340,6351,6420,6422,6426,6430,6436,6441,6449,6454,6524,6527,6630,6637,6641,6644,6842,6917,6921,6928,6933,7010,7015,7233,7248,7252,7255,7738,7891,7893,7897,7904,7925,7930,8144,8152,8259,8263,8273,8403,8408,8427,8617,8622,8830,8837,8841,8844,8863,9014,9028,9032,9038,9297,9314,9316,9320,9324,9327,9341,9348,9353,9384,9484,9488,9491,9781,9790,9793,9797,9800,9803,9806,9837,9885,9889,9900,10277,10289,10293,10299,10529,10535,10667,10676,10917,10919,10923,10941,10945,10955,10960,11195,11200,11210,11583,11599,11603,11609,11614,11778,11783,11795,12014,12028,12032,12041,12253,12258,12265,12450,12454,12466,12614,12619,12630,12682,12689,12702,12708,12713,13124,13138,13143,13146,13217,13222,13244,13358,13360,13364,13368,13375,13776,13780,13787,13926,13936,13940,13943,14503,14518,14520,14524,14528,14531,16419,16423,16429,16434,16722,16727,16990,16995,17226,17230,17233,17238,17348,17351,17356,17402,17407,17430,17513,17520,17522,17526,17532,17592,18033,18070,18072,18078],[5080,5081,4517],"h1",{"id":5082},"робота-з-базами-даних-у-nodejs-через-нативні-драйвери",[5084,5085,5086,5124],"card-group",{},[5087,5088,5091],"card",{"icon":5089,"title":5090},"i-lucide-target","🎯 Мета лекції",[5092,5093,5094,5098,5106,5117],"ul",{},[5095,5096,5097],"li",{},"Опанувати основи роботи з реляційними базами даних у середовищі Node.js через нативні драйвери.",[5095,5099,5100,5101,5105],{},"Зрозуміти різницю між прямим використанням SQL та абстракціями ORM (",[5102,5103,5104],"em",{},"Object-Relational Mapping",").",[5095,5107,5108,5109,5113,5114,5105],{},"Навчитися безпечно виконувати запити до PostgreSQL через пакет ",[5110,5111,5112],"code",{},"pg"," (",[5102,5115,5116],{},"node-postgres",[5095,5118,5119,5120,5123],{},"Освоїти механізм пулів з'єднань (",[5102,5121,5122],{},"connection pooling",") для підвищення продуктивності серверних застосунків.",[5087,5125,5127],{"icon":4574,"title":5126},"🔑 Ключові терміни",[5092,5128,5129,5139,5145,5155],{},[5095,5130,5131,5113,5135,5138],{},[5132,5133,5134],"strong",{},"Драйвер БД",[5102,5136,5137],{},"database driver","): низькорівнева бібліотека для з'єднання застосунку з системою керування базою даних (СУБД).",[5095,5140,5141,5144],{},[5132,5142,5143],{},"Connection Pool",": механізм багаторазового використання TCP-з'єднань із базою даних для зменшення накладних витрат.",[5095,5146,5147,5150,5151,5154],{},[5132,5148,5149],{},"Prepared Statement",": попередньо скомпільований SQL-запит із плейсхолдерами (",[5102,5152,5153],{},"placeholders",") для параметрів, що запобігає SQL-ін'єкціям.",[5095,5156,5157,5160],{},[5132,5158,5159],{},"Transaction",": атомарна послідовність операцій БД, яка або виконується цілком, або відкочується повністю.",[5162,5163],"hr",{},[5165,5166,5168],"h2",{"id":5167},"архітектурний-контекст-від-tcp-сокета-до-запиту-sql","Архітектурний контекст: від TCP-сокета до запиту SQL",[5170,5171,5172],"p",{},"Перед тим як почати писати код, важливо зрозуміти, що відбувається «під капотом» при взаємодії Node.js застосунку з реляційною базою даних. На фундаментальному рівні процес виглядає наступним чином:",[5174,5175,5176,5190,5200,5209],"ol",{},[5095,5177,5178,5181,5182,5185,5186,5189],{},[5132,5179,5180],{},"Встановлення TCP-з'єднання",": застосунок відкриває TCP-сокет на стандартний порт PostgreSQL (за замовчуванням ",[5110,5183,5184],{},"5432","). Якщо база розташована на віддаленому сервері, виконується трьохкроковий хендшейк (",[5102,5187,5188],{},"three-way handshake",") для створення надійного каналу передачі даних.",[5095,5191,5192,5195,5196,5199],{},[5132,5193,5194],{},"Автентифікація",": після встановлення з'єднання клієнт надсилає credentials (ім'я користувача та пароль або сертифікат), які сервер PostgreSQL перевіряє за допомогою налаштувань ",[5110,5197,5198],{},"pg_hba.conf",".",[5095,5201,5202,5205,5206,5105],{},[5132,5203,5204],{},"Обмін повідомленнями",": запити SQL передаються як текстові або бінарні повідомлення через з'єднання. Сервер БД парсить запит, виконує його та повертає результат у форматі, визначеному протоколом PostgreSQL (",[5102,5207,5208],{},"Frontend\u002FBackend Protocol",[5095,5210,5211,5214],{},[5132,5212,5213],{},"Закриття з'єднання",": після завершення роботи сокет закривається. Проте, якщо використовується пул з'єднань, TCP-з'єднання не закривається фізично, а повертається в пул для повторного використання.",[5216,5217,5218,5219,5222],"note",{},"У середовищі Node.js всі операції з базою даних є асинхронними за замовчуванням, що узгоджується з подійною моделлю (",[5102,5220,5221],{},"event-driven model",") середовища виконання V8. Завдяки цьому застосунок може обробляти тисячі одночасних запитів до БД без блокування головного потоку.",[5224,5225,5227],"plant-uml",{"alt":5226},"Архітектура взаємодії Node.js із PostgreSQL",[5228,5229,5234],"pre",{"className":5230,"code":5231,"language":5232,"meta":5233,"style":5233},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\nautonumber\n\nactor \"Node.js застосунок\" as App #DBEAFE\nparticipant \"Драйвер pg\" as Driver #E2E8F0\nparticipant \"Connection Pool\" as Pool #FEF3C7\ndatabase \"PostgreSQL\" as DB #DCFCE7\n\nApp -> Driver : import { Pool } from 'pg'\nDriver -> Pool : new Pool({ host, port, user, ... })\nPool -> DB : Відкриття 5 TCP-з'єднань\nnote over Pool, DB #F1F5F9\n  З'єднання встановлюються при ініціалізації пулу.\n  Кожне з'єднання проходить автентифікацію.\nend note\n\nApp -> Driver : await pool.query('SELECT * FROM users')\nDriver -> Pool : Отримати вільне з'єднання\nPool --> Driver : Надати client із пулу\nDriver -> DB : Відправити SQL через TCP\nDB --> Driver : Повернути ResultSet (rows + metadata)\nDriver --> App : Повернути Promise\u003CQueryResult>\nDriver -> Pool : Повернути client назад у пул\n\n@enduml\n","plantuml","",[5110,5235,5236,5244,5250,5256,5262,5269,5275,5281,5287,5293,5298,5304,5310,5316,5322,5328,5334,5340,5345,5351,5357,5363,5369,5375,5381,5387,5392],{"__ignoreMap":5233},[5237,5238,5241],"span",{"class":5239,"line":5240},"line",1,[5237,5242,5243],{},"@startuml\n",[5237,5245,5247],{"class":5239,"line":5246},2,[5237,5248,5249],{},"skinparam style plain\n",[5237,5251,5253],{"class":5239,"line":5252},3,[5237,5254,5255],{},"skinparam backgroundColor #FFFFFF\n",[5237,5257,5259],{"class":5239,"line":5258},4,[5237,5260,5261],{},"autonumber\n",[5237,5263,5265],{"class":5239,"line":5264},5,[5237,5266,5268],{"emptyLinePlaceholder":5267},true,"\n",[5237,5270,5272],{"class":5239,"line":5271},6,[5237,5273,5274],{},"actor \"Node.js застосунок\" as App #DBEAFE\n",[5237,5276,5278],{"class":5239,"line":5277},7,[5237,5279,5280],{},"participant \"Драйвер pg\" as Driver #E2E8F0\n",[5237,5282,5284],{"class":5239,"line":5283},8,[5237,5285,5286],{},"participant \"Connection Pool\" as Pool #FEF3C7\n",[5237,5288,5290],{"class":5239,"line":5289},9,[5237,5291,5292],{},"database \"PostgreSQL\" as DB #DCFCE7\n",[5237,5294,5296],{"class":5239,"line":5295},10,[5237,5297,5268],{"emptyLinePlaceholder":5267},[5237,5299,5301],{"class":5239,"line":5300},11,[5237,5302,5303],{},"App -> Driver : import { Pool } from 'pg'\n",[5237,5305,5307],{"class":5239,"line":5306},12,[5237,5308,5309],{},"Driver -> Pool : new Pool({ host, port, user, ... })\n",[5237,5311,5313],{"class":5239,"line":5312},13,[5237,5314,5315],{},"Pool -> DB : Відкриття 5 TCP-з'єднань\n",[5237,5317,5319],{"class":5239,"line":5318},14,[5237,5320,5321],{},"note over Pool, DB #F1F5F9\n",[5237,5323,5325],{"class":5239,"line":5324},15,[5237,5326,5327],{},"  З'єднання встановлюються при ініціалізації пулу.\n",[5237,5329,5331],{"class":5239,"line":5330},16,[5237,5332,5333],{},"  Кожне з'єднання проходить автентифікацію.\n",[5237,5335,5337],{"class":5239,"line":5336},17,[5237,5338,5339],{},"end note\n",[5237,5341,5343],{"class":5239,"line":5342},18,[5237,5344,5268],{"emptyLinePlaceholder":5267},[5237,5346,5348],{"class":5239,"line":5347},19,[5237,5349,5350],{},"App -> Driver : await pool.query('SELECT * FROM users')\n",[5237,5352,5354],{"class":5239,"line":5353},20,[5237,5355,5356],{},"Driver -> Pool : Отримати вільне з'єднання\n",[5237,5358,5360],{"class":5239,"line":5359},21,[5237,5361,5362],{},"Pool --> Driver : Надати client із пулу\n",[5237,5364,5366],{"class":5239,"line":5365},22,[5237,5367,5368],{},"Driver -> DB : Відправити SQL через TCP\n",[5237,5370,5372],{"class":5239,"line":5371},23,[5237,5373,5374],{},"DB --> Driver : Повернути ResultSet (rows + metadata)\n",[5237,5376,5378],{"class":5239,"line":5377},24,[5237,5379,5380],{},"Driver --> App : Повернути Promise\u003CQueryResult>\n",[5237,5382,5384],{"class":5239,"line":5383},25,[5237,5385,5386],{},"Driver -> Pool : Повернути client назад у пул\n",[5237,5388,5390],{"class":5239,"line":5389},26,[5237,5391,5268],{"emptyLinePlaceholder":5267},[5237,5393,5395],{"class":5239,"line":5394},27,[5237,5396,5397],{},"@enduml\n",[5162,5399],{},[5165,5401,5403],{"id":5402},"нативні-драйвери-для-postgresql","Нативні драйвери для PostgreSQL",[5405,5406,5408,5409,5411],"h3",{"id":5407},"огляд-пакету-pg-node-postgres","Огляд пакету ",[5110,5410,5112],{}," (node-postgres)",[5170,5413,5414,5415,5419,5420,5422,5423,5425],{},"Пакет ",[5132,5416,5417],{},[5110,5418,5112],{}," — це найбільш широко використовуваний драйвер для з'єднання Node.js застосунків із PostgreSQL. Він надає низькорівневий API для виконання SQL-запитів, керування транзакціями та управління з'єднаннями. На відміну від ORM-бібліотек (",[5102,5421,5104],{},"), таких як TypeORM або Sequelize, драйвер ",[5110,5424,5112],{}," не приховує SQL-синтаксис — ви працюєте безпосередньо з мовою запитів, що дає повний контроль над продуктивністю та оптимізацією.",[5170,5427,5428],{},[5132,5429,5430],{},"Основні переваги використання чистого драйвера:",[5092,5432,5433,5443,5449,5477],{},[5095,5434,5435,5438,5439,5442],{},[5132,5436,5437],{},"Повна прозорість:"," ви бачите кожен SQL-запит, який надсилається до бази даних. Це критично важливо для профілювання та виявлення bottlenecks (",[5102,5440,5441],{},"вузьких місць",") у продуктивності.",[5095,5444,5445,5448],{},[5132,5446,5447],{},"Мінімальні накладні витрати:"," відсутність проміжних шарів абстракції означає, що немає додаткових витрат на серіалізацію об'єктів та маппінг результатів.",[5095,5450,5451,5454,5455,5458,5459,5462,5463,5465,5466,5469,5470,5473,5474,5105],{},[5132,5452,5453],{},"Ідеальний вибір для міграцій:"," інструменти міграцій (наприклад, ",[5110,5456,5457],{},"node-pg-migrate"," або ",[5110,5460,5461],{},"db-migrate",") зазвичай використовують саме драйвер ",[5110,5464,5112],{}," для виконання DDL-команд (",[5102,5467,5468],{},"Data Definition Language",": ",[5110,5471,5472],{},"CREATE TABLE",", ",[5110,5475,5476],{},"ALTER TABLE",[5095,5478,5479,5482,5483,5486],{},[5132,5480,5481],{},"Гнучкість у складних запитах:"," для аналітичних звітів, агрегацій із кількома JOIN або рекурсивних CTE (",[5102,5484,5485],{},"Common Table Expressions",") написання raw SQL часто є єдиним розумним варіантом.",[5488,5489,5490,5491,5493],"tip",{},"Під час навчання рекомендується почати саме з драйвера ",[5110,5492,5112],{},", навіть якщо у промисловому проєкті ви плануєте використовувати ORM. Це дозволить зрозуміти, як працює комунікація з базою даних на найнижчому рівні, та усвідомити вартість кожної операції.",[5405,5495,5497],{"id":5496},"встановлення-та-базова-конфігурація","Встановлення та базова конфігурація",[5170,5499,5500,5501,5503],{},"Для початку роботи встановіть пакет ",[5110,5502,5112],{}," та його TypeScript-типізацію у свій проєкт:",[5505,5506,5507,5546,5576],"tabs",{},[5508,5509,5511],"tabs-item",{"label":5510},"npm",[5228,5512,5516],{"className":5513,"code":5514,"language":5515,"meta":5233,"style":5233},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","npm install pg\nnpm install --save-dev @types\u002Fnode @types\u002Fpg\n","bash",[5110,5517,5518,5530],{"__ignoreMap":5233},[5237,5519,5520,5523,5527],{"class":5239,"line":5240},[5237,5521,5510],{"class":5522},"s8Opu",[5237,5524,5526],{"class":5525},"sbdoH"," install",[5237,5528,5529],{"class":5525}," pg\n",[5237,5531,5532,5534,5536,5540,5543],{"class":5239,"line":5246},[5237,5533,5510],{"class":5522},[5237,5535,5526],{"class":5525},[5237,5537,5539],{"class":5538},"su1O8"," --save-dev",[5237,5541,5542],{"class":5525}," @types\u002Fnode",[5237,5544,5545],{"class":5525}," @types\u002Fpg\n",[5508,5547,5549],{"label":5548},"pnpm",[5228,5550,5552],{"className":5513,"code":5551,"language":5515,"meta":5233,"style":5233},"pnpm add pg\npnpm add -D @types\u002Fnode @types\u002Fpg\n",[5110,5553,5554,5563],{"__ignoreMap":5233},[5237,5555,5556,5558,5561],{"class":5239,"line":5240},[5237,5557,5548],{"class":5522},[5237,5559,5560],{"class":5525}," add",[5237,5562,5529],{"class":5525},[5237,5564,5565,5567,5569,5572,5574],{"class":5239,"line":5246},[5237,5566,5548],{"class":5522},[5237,5568,5560],{"class":5525},[5237,5570,5571],{"class":5538}," -D",[5237,5573,5542],{"class":5525},[5237,5575,5545],{"class":5525},[5508,5577,5579],{"label":5578},"yarn",[5228,5580,5582],{"className":5513,"code":5581,"language":5515,"meta":5233,"style":5233},"yarn add pg\nyarn add --dev @types\u002Fnode @types\u002Fpg\n",[5110,5583,5584,5592],{"__ignoreMap":5233},[5237,5585,5586,5588,5590],{"class":5239,"line":5240},[5237,5587,5578],{"class":5522},[5237,5589,5560],{"class":5525},[5237,5591,5529],{"class":5525},[5237,5593,5594,5596,5598,5601,5603],{"class":5239,"line":5246},[5237,5595,5578],{"class":5522},[5237,5597,5560],{"class":5525},[5237,5599,5600],{"class":5538}," --dev",[5237,5602,5542],{"class":5525},[5237,5604,5545],{"class":5525},[5170,5606,5607,5608,5611],{},"Після встановлення переконайтеся, що у вашому ",[5110,5609,5610],{},"tsconfig.json"," увімкнена підтримка модулів ESNext або CommonJS:",[5228,5613,5617],{"className":5614,"code":5615,"filename":5610,"language":5616,"meta":5233,"style":5233},"language-json shiki shiki-themes light-plus dark-plus dark-plus","{\n  \"compilerOptions\": {\n    \"target\": \"ES2022\",\n    \"module\": \"commonjs\",\n    \"moduleResolution\": \"node\",\n    \"strict\": true,\n    \"esModuleInterop\": true,\n    \"skipLibCheck\": true,\n    \"forceConsistentCasingInFileNames\": true\n  }\n}\n","json",[5110,5618,5619,5625,5634,5647,5659,5671,5683,5694,5705,5715,5720],{"__ignoreMap":5233},[5237,5620,5621],{"class":5239,"line":5240},[5237,5622,5624],{"class":5623},"sHH4Y","{\n",[5237,5626,5627,5631],{"class":5239,"line":5246},[5237,5628,5630],{"class":5629},"sLwNe","  \"compilerOptions\"",[5237,5632,5633],{"class":5623},": {\n",[5237,5635,5636,5639,5641,5644],{"class":5239,"line":5252},[5237,5637,5638],{"class":5629},"    \"target\"",[5237,5640,5469],{"class":5623},[5237,5642,5643],{"class":5525},"\"ES2022\"",[5237,5645,5646],{"class":5623},",\n",[5237,5648,5649,5652,5654,5657],{"class":5239,"line":5258},[5237,5650,5651],{"class":5629},"    \"module\"",[5237,5653,5469],{"class":5623},[5237,5655,5656],{"class":5525},"\"commonjs\"",[5237,5658,5646],{"class":5623},[5237,5660,5661,5664,5666,5669],{"class":5239,"line":5264},[5237,5662,5663],{"class":5629},"    \"moduleResolution\"",[5237,5665,5469],{"class":5623},[5237,5667,5668],{"class":5525},"\"node\"",[5237,5670,5646],{"class":5623},[5237,5672,5673,5676,5678,5681],{"class":5239,"line":5271},[5237,5674,5675],{"class":5629},"    \"strict\"",[5237,5677,5469],{"class":5623},[5237,5679,5680],{"class":5538},"true",[5237,5682,5646],{"class":5623},[5237,5684,5685,5688,5690,5692],{"class":5239,"line":5277},[5237,5686,5687],{"class":5629},"    \"esModuleInterop\"",[5237,5689,5469],{"class":5623},[5237,5691,5680],{"class":5538},[5237,5693,5646],{"class":5623},[5237,5695,5696,5699,5701,5703],{"class":5239,"line":5283},[5237,5697,5698],{"class":5629},"    \"skipLibCheck\"",[5237,5700,5469],{"class":5623},[5237,5702,5680],{"class":5538},[5237,5704,5646],{"class":5623},[5237,5706,5707,5710,5712],{"class":5239,"line":5289},[5237,5708,5709],{"class":5629},"    \"forceConsistentCasingInFileNames\"",[5237,5711,5469],{"class":5623},[5237,5713,5714],{"class":5538},"true\n",[5237,5716,5717],{"class":5239,"line":5295},[5237,5718,5719],{"class":5623},"  }\n",[5237,5721,5722],{"class":5239,"line":5300},[5237,5723,5724],{"class":5623},"}\n",[5405,5726,5728,5729,5732,5733],{"id":5727},"типи-клієнтів-client-vs-pool","Типи клієнтів: ",[5110,5730,5731],{},"Client"," vs ",[5110,5734,5735],{},"Pool",[5170,5737,5738,5739,5741],{},"Драйвер ",[5110,5740,5112],{}," надає два основні класи для роботи з базою даних:",[5170,5743,5744],{},[5132,5745,5746,5747,5749],{},"1. ",[5110,5748,5731],{}," — одне з'єднання для ізольованих операцій:",[5170,5751,5752,5753,5755],{},"Клас ",[5110,5754,5731],{}," представляє одне TCP-з'єднання з PostgreSQL. Він призначений для сценаріїв, коли потрібно виконати послідовність запитів у межах однієї транзакції або коли з'єднання керується вручну.",[5228,5757,5762],{"className":5758,"code":5759,"filename":5760,"language":5761,"meta":5233,"style":5233},"language-typescript shiki shiki-themes light-plus dark-plus dark-plus","import { Client } from 'pg';\n\nasync function singleConnectionExample() {\n  const client = new Client({\n    host: 'localhost',\n    port: 5432,\n    user: 'postgres',\n    password: 'secret',\n    database: 'myapp_dev',\n  });\n\n  await client.connect(); \u002F\u002F Відкриття з'єднання\n  console.log('З\\'єднання встановлено');\n\n  try {\n    const result = await client.query('SELECT NOW()');\n    console.log('Час на сервері БД:', result.rows[0].now);\n  } finally {\n    await client.end(); \u002F\u002F Обов'язкове закриття!\n  }\n}\n\nsingleConnectionExample();\n","client-example.ts","typescript",[5110,5763,5764,5788,5792,5806,5827,5837,5848,5858,5868,5878,5883,5887,5906,5932,5936,5944,5971,6009,6019,6036,6040,6044,6048],{"__ignoreMap":5233},[5237,5765,5766,5770,5773,5776,5779,5782,5785],{"class":5239,"line":5240},[5237,5767,5769],{"class":5768},"s8xlr","import",[5237,5771,5772],{"class":5623}," { ",[5237,5774,5731],{"class":5775},"siwwj",[5237,5777,5778],{"class":5623}," } ",[5237,5780,5781],{"class":5768},"from",[5237,5783,5784],{"class":5525}," 'pg'",[5237,5786,5787],{"class":5623},";\n",[5237,5789,5790],{"class":5239,"line":5246},[5237,5791,5268],{"emptyLinePlaceholder":5267},[5237,5793,5794,5797,5800,5803],{"class":5239,"line":5252},[5237,5795,5796],{"class":5538},"async",[5237,5798,5799],{"class":5538}," function",[5237,5801,5802],{"class":5522}," singleConnectionExample",[5237,5804,5805],{"class":5623},"() {\n",[5237,5807,5808,5811,5815,5818,5821,5824],{"class":5239,"line":5258},[5237,5809,5810],{"class":5538},"  const",[5237,5812,5814],{"class":5813},"s-QsJ"," client",[5237,5816,5817],{"class":5623}," = ",[5237,5819,5820],{"class":5538},"new",[5237,5822,5823],{"class":5522}," Client",[5237,5825,5826],{"class":5623},"({\n",[5237,5828,5829,5832,5835],{"class":5239,"line":5264},[5237,5830,5831],{"class":5775},"    host:",[5237,5833,5834],{"class":5525}," 'localhost'",[5237,5836,5646],{"class":5623},[5237,5838,5839,5842,5846],{"class":5239,"line":5271},[5237,5840,5841],{"class":5775},"    port:",[5237,5843,5845],{"class":5844},"sJj4R"," 5432",[5237,5847,5646],{"class":5623},[5237,5849,5850,5853,5856],{"class":5239,"line":5277},[5237,5851,5852],{"class":5775},"    user:",[5237,5854,5855],{"class":5525}," 'postgres'",[5237,5857,5646],{"class":5623},[5237,5859,5860,5863,5866],{"class":5239,"line":5283},[5237,5861,5862],{"class":5775},"    password:",[5237,5864,5865],{"class":5525}," 'secret'",[5237,5867,5646],{"class":5623},[5237,5869,5870,5873,5876],{"class":5239,"line":5289},[5237,5871,5872],{"class":5775},"    database:",[5237,5874,5875],{"class":5525}," 'myapp_dev'",[5237,5877,5646],{"class":5623},[5237,5879,5880],{"class":5239,"line":5295},[5237,5881,5882],{"class":5623},"  });\n",[5237,5884,5885],{"class":5239,"line":5300},[5237,5886,5268],{"emptyLinePlaceholder":5267},[5237,5888,5889,5892,5894,5896,5899,5902],{"class":5239,"line":5306},[5237,5890,5891],{"class":5768},"  await",[5237,5893,5814],{"class":5775},[5237,5895,5199],{"class":5623},[5237,5897,5898],{"class":5522},"connect",[5237,5900,5901],{"class":5623},"(); ",[5237,5903,5905],{"class":5904},"spJ8K","\u002F\u002F Відкриття з'єднання\n",[5237,5907,5908,5911,5913,5916,5919,5922,5926,5929],{"class":5239,"line":5312},[5237,5909,5910],{"class":5775},"  console",[5237,5912,5199],{"class":5623},[5237,5914,5915],{"class":5522},"log",[5237,5917,5918],{"class":5623},"(",[5237,5920,5921],{"class":5525},"'З",[5237,5923,5925],{"class":5924},"sjcCO","\\'",[5237,5927,5928],{"class":5525},"єднання встановлено'",[5237,5930,5931],{"class":5623},");\n",[5237,5933,5934],{"class":5239,"line":5318},[5237,5935,5268],{"emptyLinePlaceholder":5267},[5237,5937,5938,5941],{"class":5239,"line":5324},[5237,5939,5940],{"class":5768},"  try",[5237,5942,5943],{"class":5623}," {\n",[5237,5945,5946,5949,5952,5954,5957,5959,5961,5964,5966,5969],{"class":5239,"line":5330},[5237,5947,5948],{"class":5538},"    const",[5237,5950,5951],{"class":5813}," result",[5237,5953,5817],{"class":5623},[5237,5955,5956],{"class":5768},"await",[5237,5958,5814],{"class":5775},[5237,5960,5199],{"class":5623},[5237,5962,5963],{"class":5522},"query",[5237,5965,5918],{"class":5623},[5237,5967,5968],{"class":5525},"'SELECT NOW()'",[5237,5970,5931],{"class":5623},[5237,5972,5973,5976,5978,5980,5982,5985,5987,5990,5992,5995,5998,6001,6004,6007],{"class":5239,"line":5336},[5237,5974,5975],{"class":5775},"    console",[5237,5977,5199],{"class":5623},[5237,5979,5915],{"class":5522},[5237,5981,5918],{"class":5623},[5237,5983,5984],{"class":5525},"'Час на сервері БД:'",[5237,5986,5473],{"class":5623},[5237,5988,5989],{"class":5775},"result",[5237,5991,5199],{"class":5623},[5237,5993,5994],{"class":5775},"rows",[5237,5996,5997],{"class":5623},"[",[5237,5999,6000],{"class":5844},"0",[5237,6002,6003],{"class":5623},"].",[5237,6005,6006],{"class":5775},"now",[5237,6008,5931],{"class":5623},[5237,6010,6011,6014,6017],{"class":5239,"line":5342},[5237,6012,6013],{"class":5623},"  } ",[5237,6015,6016],{"class":5768},"finally",[5237,6018,5943],{"class":5623},[5237,6020,6021,6024,6026,6028,6031,6033],{"class":5239,"line":5347},[5237,6022,6023],{"class":5768},"    await",[5237,6025,5814],{"class":5775},[5237,6027,5199],{"class":5623},[5237,6029,6030],{"class":5522},"end",[5237,6032,5901],{"class":5623},[5237,6034,6035],{"class":5904},"\u002F\u002F Обов'язкове закриття!\n",[5237,6037,6038],{"class":5239,"line":5353},[5237,6039,5719],{"class":5623},[5237,6041,6042],{"class":5239,"line":5359},[5237,6043,5724],{"class":5623},[5237,6045,6046],{"class":5239,"line":5365},[5237,6047,5268],{"emptyLinePlaceholder":5267},[5237,6049,6050,6053],{"class":5239,"line":5371},[5237,6051,6052],{"class":5522},"singleConnectionExample",[5237,6054,6055],{"class":5623},"();\n",[6057,6058,6059,6060,6063,6064,6067,6068,6071,6072,5105],"warning",{},"Якщо ви не викличете ",[5110,6061,6062],{},"client.end()",", TCP-сокет залишиться відкритим, що призведе до витоку ресурсів (",[5102,6065,6066],{},"resource leak","). У промислових застосунках це може вичерпати ліміт одночасних з'єднань на стороні PostgreSQL (параметр ",[5110,6069,6070],{},"max_connections"," у ",[5110,6073,6074],{},"postgresql.conf",[5170,6076,6077],{},[5132,6078,6079,6080,6082],{},"2. ",[5110,6081,5735],{}," — пул з'єднань для високонавантажених застосунків:",[5170,6084,5752,6085,6087,6088,6090],{},[5110,6086,5735],{}," керує набором з'єднань (",[5110,6089,5731],{}," екземплярів), які автоматично розподіляються між запитами. Це дозволяє обробляти велику кількість одночасних операцій без накладних витрат на повторне відкриття сокетів.",[5228,6092,6095],{"className":5758,"code":6093,"filename":6094,"language":5761,"meta":5233,"style":5233},"import { Pool } from 'pg';\n\nconst pool = new Pool({\n  host: 'localhost',\n  port: 5432,\n  user: 'postgres',\n  password: 'secret',\n  database: 'myapp_dev',\n  max: 20, \u002F\u002F Максимум 20 одночасних з'єднань\n  idleTimeoutMillis: 30000, \u002F\u002F Закривати неактивні з'єднання через 30 сек\n  connectionTimeoutMillis: 2000, \u002F\u002F Таймаут очікування вільного з'єднання\n});\n\nasync function poolExample() {\n  \u002F\u002F Pool автоматично надає вільне з'єднання\n  const result = await pool.query('SELECT COUNT(*) FROM users');\n  console.log('Кількість користувачів:', result.rows[0].count);\n\n  \u002F\u002F З'єднання автоматично повертається в пул після завершення\n}\n\npoolExample();\n","pool-example.ts",[5110,6096,6097,6113,6117,6134,6143,6152,6161,6170,6179,6192,6205,6218,6223,6227,6238,6243,6266,6298,6302,6307,6311,6315],{"__ignoreMap":5233},[5237,6098,6099,6101,6103,6105,6107,6109,6111],{"class":5239,"line":5240},[5237,6100,5769],{"class":5768},[5237,6102,5772],{"class":5623},[5237,6104,5735],{"class":5775},[5237,6106,5778],{"class":5623},[5237,6108,5781],{"class":5768},[5237,6110,5784],{"class":5525},[5237,6112,5787],{"class":5623},[5237,6114,6115],{"class":5239,"line":5246},[5237,6116,5268],{"emptyLinePlaceholder":5267},[5237,6118,6119,6122,6125,6127,6129,6132],{"class":5239,"line":5252},[5237,6120,6121],{"class":5538},"const",[5237,6123,6124],{"class":5813}," pool",[5237,6126,5817],{"class":5623},[5237,6128,5820],{"class":5538},[5237,6130,6131],{"class":5522}," Pool",[5237,6133,5826],{"class":5623},[5237,6135,6136,6139,6141],{"class":5239,"line":5258},[5237,6137,6138],{"class":5775},"  host:",[5237,6140,5834],{"class":5525},[5237,6142,5646],{"class":5623},[5237,6144,6145,6148,6150],{"class":5239,"line":5264},[5237,6146,6147],{"class":5775},"  port:",[5237,6149,5845],{"class":5844},[5237,6151,5646],{"class":5623},[5237,6153,6154,6157,6159],{"class":5239,"line":5271},[5237,6155,6156],{"class":5775},"  user:",[5237,6158,5855],{"class":5525},[5237,6160,5646],{"class":5623},[5237,6162,6163,6166,6168],{"class":5239,"line":5277},[5237,6164,6165],{"class":5775},"  password:",[5237,6167,5865],{"class":5525},[5237,6169,5646],{"class":5623},[5237,6171,6172,6175,6177],{"class":5239,"line":5283},[5237,6173,6174],{"class":5775},"  database:",[5237,6176,5875],{"class":5525},[5237,6178,5646],{"class":5623},[5237,6180,6181,6184,6187,6189],{"class":5239,"line":5289},[5237,6182,6183],{"class":5775},"  max:",[5237,6185,6186],{"class":5844}," 20",[5237,6188,5473],{"class":5623},[5237,6190,6191],{"class":5904},"\u002F\u002F Максимум 20 одночасних з'єднань\n",[5237,6193,6194,6197,6200,6202],{"class":5239,"line":5295},[5237,6195,6196],{"class":5775},"  idleTimeoutMillis:",[5237,6198,6199],{"class":5844}," 30000",[5237,6201,5473],{"class":5623},[5237,6203,6204],{"class":5904},"\u002F\u002F Закривати неактивні з'єднання через 30 сек\n",[5237,6206,6207,6210,6213,6215],{"class":5239,"line":5300},[5237,6208,6209],{"class":5775},"  connectionTimeoutMillis:",[5237,6211,6212],{"class":5844}," 2000",[5237,6214,5473],{"class":5623},[5237,6216,6217],{"class":5904},"\u002F\u002F Таймаут очікування вільного з'єднання\n",[5237,6219,6220],{"class":5239,"line":5306},[5237,6221,6222],{"class":5623},"});\n",[5237,6224,6225],{"class":5239,"line":5312},[5237,6226,5268],{"emptyLinePlaceholder":5267},[5237,6228,6229,6231,6233,6236],{"class":5239,"line":5318},[5237,6230,5796],{"class":5538},[5237,6232,5799],{"class":5538},[5237,6234,6235],{"class":5522}," poolExample",[5237,6237,5805],{"class":5623},[5237,6239,6240],{"class":5239,"line":5324},[5237,6241,6242],{"class":5904},"  \u002F\u002F Pool автоматично надає вільне з'єднання\n",[5237,6244,6245,6247,6249,6251,6253,6255,6257,6259,6261,6264],{"class":5239,"line":5330},[5237,6246,5810],{"class":5538},[5237,6248,5951],{"class":5813},[5237,6250,5817],{"class":5623},[5237,6252,5956],{"class":5768},[5237,6254,6124],{"class":5775},[5237,6256,5199],{"class":5623},[5237,6258,5963],{"class":5522},[5237,6260,5918],{"class":5623},[5237,6262,6263],{"class":5525},"'SELECT COUNT(*) FROM users'",[5237,6265,5931],{"class":5623},[5237,6267,6268,6270,6272,6274,6276,6279,6281,6283,6285,6287,6289,6291,6293,6296],{"class":5239,"line":5336},[5237,6269,5910],{"class":5775},[5237,6271,5199],{"class":5623},[5237,6273,5915],{"class":5522},[5237,6275,5918],{"class":5623},[5237,6277,6278],{"class":5525},"'Кількість користувачів:'",[5237,6280,5473],{"class":5623},[5237,6282,5989],{"class":5775},[5237,6284,5199],{"class":5623},[5237,6286,5994],{"class":5775},[5237,6288,5997],{"class":5623},[5237,6290,6000],{"class":5844},[5237,6292,6003],{"class":5623},[5237,6294,6295],{"class":5775},"count",[5237,6297,5931],{"class":5623},[5237,6299,6300],{"class":5239,"line":5342},[5237,6301,5268],{"emptyLinePlaceholder":5267},[5237,6303,6304],{"class":5239,"line":5347},[5237,6305,6306],{"class":5904},"  \u002F\u002F З'єднання автоматично повертається в пул після завершення\n",[5237,6308,6309],{"class":5239,"line":5353},[5237,6310,5724],{"class":5623},[5237,6312,6313],{"class":5239,"line":5359},[5237,6314,5268],{"emptyLinePlaceholder":5267},[5237,6316,6317,6320],{"class":5239,"line":5365},[5237,6318,6319],{"class":5522},"poolExample",[5237,6321,6055],{"class":5623},[5216,6323,6324,6325,6328,6329,6332,6333,6336,6337,5199],{},"Метод ",[5110,6326,6327],{},"pool.query()"," — це синтаксичний цукор (",[5102,6330,6331],{},"syntactic sugar","), який автоматично бере з'єднання з пулу, виконує запит і повертає з'єднання назад. Для явного керування з'єднанням використовуйте ",[5110,6334,6335],{},"const client = await pool.connect()"," та ",[5110,6338,6339],{},"client.release()",[5170,6341,6342],{},[5132,6343,6344,6345,6347,6348,6350],{},"Коли використовувати ",[5110,6346,5731],{},", а коли ",[5110,6349,5735],{},"?",[6352,6353,6354,6367],"table",{},[6355,6356,6357],"thead",{},[6358,6359,6360,6364],"tr",{},[6361,6362,6363],"th",{},"Сценарій",[6361,6365,6366],{},"Рекомендація",[6368,6369,6370,6380,6389,6402,6411],"tbody",{},[6358,6371,6372,6376],{},[6373,6374,6375],"td",{},"Короткий скрипт для міграції або seed даних",[6373,6377,6378],{},[5110,6379,5731],{},[6358,6381,6382,6385],{},[6373,6383,6384],{},"Веб-сервер (Express, NestJS) із сотнями запитів",[6373,6386,6387],{},[5110,6388,5735],{},[6358,6390,6391,6394],{},[6373,6392,6393],{},"Довга транзакція з кількома запитами",[6373,6395,6396,6399,6400],{},[5110,6397,6398],{},"Pool.connect()"," + ",[5110,6401,6339],{},[6358,6403,6404,6407],{},[6373,6405,6406],{},"CLI-інструмент для одноразового аналізу даних",[6373,6408,6409],{},[5110,6410,5731],{},[6358,6412,6413,6416],{},[6373,6414,6415],{},"Background workers (черги, cron-job)",[6373,6417,6418],{},[5110,6419,5735],{},[5162,6421],{},[5165,6423,6425],{"id":6424},"підключення-до-бази-даних","Підключення до бази даних",[5405,6427,6429],{"id":6428},"connection-string-формат","Connection string формат",[5170,6431,6432,6433,5105],{},"PostgreSQL підтримує два способи передачі параметрів підключення: через окремі опції (об'єкт конфігурації) або через єдиний рядок у форматі URI (",[5102,6434,6435],{},"Uniform Resource Identifier",[5170,6437,6438],{},[5132,6439,6440],{},"Формат connection string:",[5228,6442,6447],{"className":6443,"code":6445,"language":6446},[6444],"language-text","postgresql:\u002F\u002F[user[:password]@][host][:port][\u002Fdatabase][?param=value&...]\n","text",[5110,6448,6445],{"__ignoreMap":5233},[5170,6450,6451],{},[5132,6452,6453],{},"Приклади:",[5228,6455,6457],{"className":5758,"code":6456,"language":5761,"meta":5233,"style":5233},"\u002F\u002F Локальна база без пароля\nconst connectionString1 = 'postgresql:\u002F\u002Flocalhost\u002Fmyapp_dev';\n\n\u002F\u002F Віддалений сервер із автентифікацією\nconst connectionString2 = 'postgresql:\u002F\u002Fadmin:pass123@db.example.com:5432\u002Fproduction';\n\n\u002F\u002F Із додатковими параметрами (SSL, таймаути)\nconst connectionString3 = 'postgresql:\u002F\u002Fuser:pass@host:5432\u002Fdb?sslmode=require&connect_timeout=10';\n",[5110,6458,6459,6464,6478,6482,6487,6501,6505,6510],{"__ignoreMap":5233},[5237,6460,6461],{"class":5239,"line":5240},[5237,6462,6463],{"class":5904},"\u002F\u002F Локальна база без пароля\n",[5237,6465,6466,6468,6471,6473,6476],{"class":5239,"line":5246},[5237,6467,6121],{"class":5538},[5237,6469,6470],{"class":5813}," connectionString1",[5237,6472,5817],{"class":5623},[5237,6474,6475],{"class":5525},"'postgresql:\u002F\u002Flocalhost\u002Fmyapp_dev'",[5237,6477,5787],{"class":5623},[5237,6479,6480],{"class":5239,"line":5252},[5237,6481,5268],{"emptyLinePlaceholder":5267},[5237,6483,6484],{"class":5239,"line":5258},[5237,6485,6486],{"class":5904},"\u002F\u002F Віддалений сервер із автентифікацією\n",[5237,6488,6489,6491,6494,6496,6499],{"class":5239,"line":5264},[5237,6490,6121],{"class":5538},[5237,6492,6493],{"class":5813}," connectionString2",[5237,6495,5817],{"class":5623},[5237,6497,6498],{"class":5525},"'postgresql:\u002F\u002Fadmin:pass123@db.example.com:5432\u002Fproduction'",[5237,6500,5787],{"class":5623},[5237,6502,6503],{"class":5239,"line":5271},[5237,6504,5268],{"emptyLinePlaceholder":5267},[5237,6506,6507],{"class":5239,"line":5277},[5237,6508,6509],{"class":5904},"\u002F\u002F Із додатковими параметрами (SSL, таймаути)\n",[5237,6511,6512,6514,6517,6519,6522],{"class":5239,"line":5283},[5237,6513,6121],{"class":5538},[5237,6515,6516],{"class":5813}," connectionString3",[5237,6518,5817],{"class":5623},[5237,6520,6521],{"class":5525},"'postgresql:\u002F\u002Fuser:pass@host:5432\u002Fdb?sslmode=require&connect_timeout=10'",[5237,6523,5787],{"class":5623},[5170,6525,6526],{},"Використання connection string у коді:",[5228,6528,6531],{"className":5758,"code":6529,"filename":6530,"language":5761,"meta":5233,"style":5233},"import { Pool } from 'pg';\n\nconst pool = new Pool({\n  connectionString: process.env.DATABASE_URL,\n  ssl: process.env.NODE_ENV === 'production' ? { rejectUnauthorized: false } : false,\n});\n","connection-string.ts",[5110,6532,6533,6549,6553,6567,6587,6626],{"__ignoreMap":5233},[5237,6534,6535,6537,6539,6541,6543,6545,6547],{"class":5239,"line":5240},[5237,6536,5769],{"class":5768},[5237,6538,5772],{"class":5623},[5237,6540,5735],{"class":5775},[5237,6542,5778],{"class":5623},[5237,6544,5781],{"class":5768},[5237,6546,5784],{"class":5525},[5237,6548,5787],{"class":5623},[5237,6550,6551],{"class":5239,"line":5246},[5237,6552,5268],{"emptyLinePlaceholder":5267},[5237,6554,6555,6557,6559,6561,6563,6565],{"class":5239,"line":5252},[5237,6556,6121],{"class":5538},[5237,6558,6124],{"class":5813},[5237,6560,5817],{"class":5623},[5237,6562,5820],{"class":5538},[5237,6564,6131],{"class":5522},[5237,6566,5826],{"class":5623},[5237,6568,6569,6572,6575,6577,6580,6582,6585],{"class":5239,"line":5258},[5237,6570,6571],{"class":5775},"  connectionString:",[5237,6573,6574],{"class":5775}," process",[5237,6576,5199],{"class":5623},[5237,6578,6579],{"class":5775},"env",[5237,6581,5199],{"class":5623},[5237,6583,6584],{"class":5813},"DATABASE_URL",[5237,6586,5646],{"class":5623},[5237,6588,6589,6592,6594,6596,6598,6600,6603,6606,6609,6612,6615,6618,6621,6624],{"class":5239,"line":5264},[5237,6590,6591],{"class":5775},"  ssl:",[5237,6593,6574],{"class":5775},[5237,6595,5199],{"class":5623},[5237,6597,6579],{"class":5775},[5237,6599,5199],{"class":5623},[5237,6601,6602],{"class":5813},"NODE_ENV",[5237,6604,6605],{"class":5623}," === ",[5237,6607,6608],{"class":5525},"'production'",[5237,6610,6611],{"class":5623}," ? { ",[5237,6613,6614],{"class":5775},"rejectUnauthorized:",[5237,6616,6617],{"class":5538}," false",[5237,6619,6620],{"class":5623}," } : ",[5237,6622,6623],{"class":5538},"false",[5237,6625,5646],{"class":5623},[5237,6627,6628],{"class":5239,"line":5271},[5237,6629,6222],{"class":5623},[5488,6631,6632,6633,6636],{},"У production-середовищі завжди зберігайте connection string у змінних оточення (",[5110,6634,6635],{},".env"," файл або secrets manager). Ніколи не хардкодьте credentials безпосередньо у коді, який потрапляє до системи контролю версій.",[5405,6638,6640],{"id":6639},"параметри-підключення","Параметри підключення",[5170,6642,6643],{},"Якщо ви віддаєте перевагу явній конфігурації, використовуйте об'єкт із наступними ключами:",[5228,6645,6648],{"className":5758,"code":6646,"filename":6647,"language":5761,"meta":5233,"style":5233},"import { PoolConfig } from 'pg';\n\nconst config: PoolConfig = {\n  host: 'localhost',           \u002F\u002F Адреса сервера БД\n  port: 5432,                  \u002F\u002F Порт PostgreSQL (за замовчуванням 5432)\n  user: 'app_user',            \u002F\u002F Ім'я користувача БД\n  password: 'secure_password', \u002F\u002F Пароль\n  database: 'myapp_production', \u002F\u002F Назва бази даних\n  \n  \u002F\u002F Налаштування пулу\n  max: 20,                     \u002F\u002F Макс. кількість з'єднань у пулі\n  min: 5,                      \u002F\u002F Мін. кількість підтримуваних з'єднань\n  idleTimeoutMillis: 30000,    \u002F\u002F Закривати неактивні з'єднання через 30 сек\n  connectionTimeoutMillis: 2000, \u002F\u002F Таймаут очікування доступного з'єднання\n  \n  \u002F\u002F SSL (для production)\n  ssl: {\n    rejectUnauthorized: false, \u002F\u002F Для самопідписаних сертифікатів\n  },\n};\n","config-object.ts",[5110,6649,6650,6667,6671,6686,6698,6710,6723,6735,6747,6752,6757,6769,6783,6794,6805,6809,6814,6820,6832,6837],{"__ignoreMap":5233},[5237,6651,6652,6654,6656,6659,6661,6663,6665],{"class":5239,"line":5240},[5237,6653,5769],{"class":5768},[5237,6655,5772],{"class":5623},[5237,6657,6658],{"class":5775},"PoolConfig",[5237,6660,5778],{"class":5623},[5237,6662,5781],{"class":5768},[5237,6664,5784],{"class":5525},[5237,6666,5787],{"class":5623},[5237,6668,6669],{"class":5239,"line":5246},[5237,6670,5268],{"emptyLinePlaceholder":5267},[5237,6672,6673,6675,6678,6680,6683],{"class":5239,"line":5252},[5237,6674,6121],{"class":5538},[5237,6676,6677],{"class":5813}," config",[5237,6679,5469],{"class":5623},[5237,6681,6658],{"class":6682},"sN1BT",[5237,6684,6685],{"class":5623}," = {\n",[5237,6687,6688,6690,6692,6695],{"class":5239,"line":5258},[5237,6689,6138],{"class":5775},[5237,6691,5834],{"class":5525},[5237,6693,6694],{"class":5623},",           ",[5237,6696,6697],{"class":5904},"\u002F\u002F Адреса сервера БД\n",[5237,6699,6700,6702,6704,6707],{"class":5239,"line":5264},[5237,6701,6147],{"class":5775},[5237,6703,5845],{"class":5844},[5237,6705,6706],{"class":5623},",                  ",[5237,6708,6709],{"class":5904},"\u002F\u002F Порт PostgreSQL (за замовчуванням 5432)\n",[5237,6711,6712,6714,6717,6720],{"class":5239,"line":5271},[5237,6713,6156],{"class":5775},[5237,6715,6716],{"class":5525}," 'app_user'",[5237,6718,6719],{"class":5623},",            ",[5237,6721,6722],{"class":5904},"\u002F\u002F Ім'я користувача БД\n",[5237,6724,6725,6727,6730,6732],{"class":5239,"line":5277},[5237,6726,6165],{"class":5775},[5237,6728,6729],{"class":5525}," 'secure_password'",[5237,6731,5473],{"class":5623},[5237,6733,6734],{"class":5904},"\u002F\u002F Пароль\n",[5237,6736,6737,6739,6742,6744],{"class":5239,"line":5283},[5237,6738,6174],{"class":5775},[5237,6740,6741],{"class":5525}," 'myapp_production'",[5237,6743,5473],{"class":5623},[5237,6745,6746],{"class":5904},"\u002F\u002F Назва бази даних\n",[5237,6748,6749],{"class":5239,"line":5289},[5237,6750,6751],{"class":5623},"  \n",[5237,6753,6754],{"class":5239,"line":5295},[5237,6755,6756],{"class":5904},"  \u002F\u002F Налаштування пулу\n",[5237,6758,6759,6761,6763,6766],{"class":5239,"line":5300},[5237,6760,6183],{"class":5775},[5237,6762,6186],{"class":5844},[5237,6764,6765],{"class":5623},",                     ",[5237,6767,6768],{"class":5904},"\u002F\u002F Макс. кількість з'єднань у пулі\n",[5237,6770,6771,6774,6777,6780],{"class":5239,"line":5306},[5237,6772,6773],{"class":5775},"  min:",[5237,6775,6776],{"class":5844}," 5",[5237,6778,6779],{"class":5623},",                      ",[5237,6781,6782],{"class":5904},"\u002F\u002F Мін. кількість підтримуваних з'єднань\n",[5237,6784,6785,6787,6789,6792],{"class":5239,"line":5312},[5237,6786,6196],{"class":5775},[5237,6788,6199],{"class":5844},[5237,6790,6791],{"class":5623},",    ",[5237,6793,6204],{"class":5904},[5237,6795,6796,6798,6800,6802],{"class":5239,"line":5318},[5237,6797,6209],{"class":5775},[5237,6799,6212],{"class":5844},[5237,6801,5473],{"class":5623},[5237,6803,6804],{"class":5904},"\u002F\u002F Таймаут очікування доступного з'єднання\n",[5237,6806,6807],{"class":5239,"line":5324},[5237,6808,6751],{"class":5623},[5237,6810,6811],{"class":5239,"line":5330},[5237,6812,6813],{"class":5904},"  \u002F\u002F SSL (для production)\n",[5237,6815,6816,6818],{"class":5239,"line":5336},[5237,6817,6591],{"class":5775},[5237,6819,5943],{"class":5623},[5237,6821,6822,6825,6827,6829],{"class":5239,"line":5342},[5237,6823,6824],{"class":5775},"    rejectUnauthorized:",[5237,6826,6617],{"class":5538},[5237,6828,5473],{"class":5623},[5237,6830,6831],{"class":5904},"\u002F\u002F Для самопідписаних сертифікатів\n",[5237,6833,6834],{"class":5239,"line":5347},[5237,6835,6836],{"class":5623},"  },\n",[5237,6838,6839],{"class":5239,"line":5353},[5237,6840,6841],{"class":5623},"};\n",[6843,6844,6845,6865,6876,6891,6895,6899,6907,6911],"field-group",{},[6846,6847,6850,6851,6854,6855,6858,6859,5458,6862,5199],"field",{"name":6848,"type":6849},"host","string","Адреса сервера PostgreSQL. Може бути IP-адресою (",[5110,6852,6853],{},"192.168.1.100",") або доменним ім'ям (",[5110,6856,6857],{},"db.example.com","). Для локальної розробки використовуйте ",[5110,6860,6861],{},"localhost",[5110,6863,6864],{},"127.0.0.1",[6846,6866,6869,6870,6872,6873,5105],{"name":6867,"type":6868},"port","number","TCP-порт, на якому слухає PostgreSQL. За замовчуванням ",[5110,6871,5184],{},". Якщо ви використовуєте Docker, переконайтеся, що порт прокинутий (",[5110,6874,6875],{},"-p 5432:5432",[6846,6877,6879,6880,6883,6884,6887,6888,5199],{"name":6878,"type":6849},"user","Ім'я користувача бази даних. У production-системах ",[5132,6881,6882],{},"ніколи"," не використовуйте суперкористувача ",[5110,6885,6886],{},"postgres"," — створіть окремого користувача з обмеженими правами через ",[5110,6889,6890],{},"CREATE ROLE",[6846,6892,6894],{"name":6893,"type":6849},"password","Пароль користувача. У найпростіших випадках це текстовий рядок, але для Enterprise-систем рекомендується інтеграція з системами керування секретами (AWS Secrets Manager, HashiCorp Vault).",[6846,6896,6898],{"name":6897,"type":6849},"database","Назва бази даних, до якої підключається застосунок. Одна PostgreSQL-інстанція може містити кілька баз даних, ізольованих одна від одної.",[6846,6900,6902,6903,6906],{"name":6901,"type":6868},"max","Максимальна кількість одночасних з'єднань у пулі. Якщо всі з'єднання зайняті, новий запит чекатиме або викине помилку після ",[5110,6904,6905],{},"connectionTimeoutMillis",". Типові значення: 10–50 залежно від навантаження.",[6846,6908,6910],{"name":6909,"type":6868},"idleTimeoutMillis","Час у мілісекундах, після якого неактивне з'єднання закривається. Це запобігає накопиченню «мертвих» з'єднань, якщо навантаження різко впало.",[6846,6912,6913,6914,5199],{"name":6905,"type":6868},"Максимальний час очікування, поки з'явиться вільне з'єднання у пулі. Якщо за цей час з'єднання не звільнилося, викидається помилка ",[5110,6915,6916],{},"TimeoutError",[5405,6918,6920],{"id":6919},"налаштування-ssl-для-безпечного-зєднання","Налаштування SSL для безпечного з'єднання",[5170,6922,6923,6924,6927],{},"У production-середовищі всі з'єднання з базою даних мають бути зашифрованими через SSL\u002FTLS (",[5102,6925,6926],{},"Transport Layer Security","). Це особливо критично, якщо база даних розташована у віддаленому дата-центрі або хмарному середовищі (AWS RDS, Google Cloud SQL, Azure Database).",[5170,6929,6930],{},[5132,6931,6932],{},"Рівні SSL-режимів у PostgreSQL:",[6352,6934,6935,6945],{},[6355,6936,6937],{},[6358,6938,6939,6942],{},[6361,6940,6941],{},"Режим",[6361,6943,6944],{},"Опис",[6368,6946,6947,6957,6967,6977,6987,7000],{},[6358,6948,6949,6954],{},[6373,6950,6951],{},[5110,6952,6953],{},"disable",[6373,6955,6956],{},"SSL не використовується. З'єднання передається відкритим текстом.",[6358,6958,6959,6964],{},[6373,6960,6961],{},[5110,6962,6963],{},"allow",[6373,6965,6966],{},"Спочатку спроба без SSL, якщо не вдається — спроба з SSL.",[6358,6968,6969,6974],{},[6373,6970,6971],{},[5110,6972,6973],{},"prefer",[6373,6975,6976],{},"Спочатку спроба з SSL, якщо не вдається — без SSL (за замовчуванням).",[6358,6978,6979,6984],{},[6373,6980,6981],{},[5110,6982,6983],{},"require",[6373,6985,6986],{},"Обов'язковий SSL. Якщо сервер не підтримує — з'єднання відхиляється.",[6358,6988,6989,6994],{},[6373,6990,6991],{},[5110,6992,6993],{},"verify-ca",[6373,6995,6996,6997,5105],{},"SSL + перевірка, що сертифікат підписаний довіреним центром сертифікації (",[5102,6998,6999],{},"CA",[6358,7001,7002,7007],{},[6373,7003,7004],{},[5110,7005,7006],{},"verify-full",[6373,7008,7009],{},"SSL + перевірка CA + перевірка, що hostname у сертифікаті відповідає серверу.",[5170,7011,7012],{},[5132,7013,7014],{},"Приклад конфігурації із самопідписаним сертифікатом:",[5228,7016,7019],{"className":5758,"code":7017,"filename":7018,"language":5761,"meta":5233,"style":5233},"import { Pool } from 'pg';\nimport * as fs from 'fs';\n\nconst pool = new Pool({\n  host: 'db.example.com',\n  port: 5432,\n  user: 'app_user',\n  password: process.env.DB_PASSWORD,\n  database: 'production_db',\n  ssl: {\n    rejectUnauthorized: true, \u002F\u002F Вимагати валідний сертифікат\n    ca: fs.readFileSync('.\u002Fcerts\u002Fca-certificate.crt').toString(), \u002F\u002F Кореневий CA\n    key: fs.readFileSync('.\u002Fcerts\u002Fclient-key.pem').toString(),    \u002F\u002F Приватний ключ клієнта\n    cert: fs.readFileSync('.\u002Fcerts\u002Fclient-cert.pem').toString(),  \u002F\u002F Сертифікат клієнта\n  },\n});\n","ssl-config.ts",[5110,7020,7021,7037,7058,7062,7076,7085,7093,7101,7118,7127,7133,7145,7173,7199,7225,7229],{"__ignoreMap":5233},[5237,7022,7023,7025,7027,7029,7031,7033,7035],{"class":5239,"line":5240},[5237,7024,5769],{"class":5768},[5237,7026,5772],{"class":5623},[5237,7028,5735],{"class":5775},[5237,7030,5778],{"class":5623},[5237,7032,5781],{"class":5768},[5237,7034,5784],{"class":5525},[5237,7036,5787],{"class":5623},[5237,7038,7039,7041,7044,7047,7050,7053,7056],{"class":5239,"line":5246},[5237,7040,5769],{"class":5768},[5237,7042,7043],{"class":5538}," *",[5237,7045,7046],{"class":5768}," as",[5237,7048,7049],{"class":5775}," fs",[5237,7051,7052],{"class":5768}," from",[5237,7054,7055],{"class":5525}," 'fs'",[5237,7057,5787],{"class":5623},[5237,7059,7060],{"class":5239,"line":5252},[5237,7061,5268],{"emptyLinePlaceholder":5267},[5237,7063,7064,7066,7068,7070,7072,7074],{"class":5239,"line":5258},[5237,7065,6121],{"class":5538},[5237,7067,6124],{"class":5813},[5237,7069,5817],{"class":5623},[5237,7071,5820],{"class":5538},[5237,7073,6131],{"class":5522},[5237,7075,5826],{"class":5623},[5237,7077,7078,7080,7083],{"class":5239,"line":5264},[5237,7079,6138],{"class":5775},[5237,7081,7082],{"class":5525}," 'db.example.com'",[5237,7084,5646],{"class":5623},[5237,7086,7087,7089,7091],{"class":5239,"line":5271},[5237,7088,6147],{"class":5775},[5237,7090,5845],{"class":5844},[5237,7092,5646],{"class":5623},[5237,7094,7095,7097,7099],{"class":5239,"line":5277},[5237,7096,6156],{"class":5775},[5237,7098,6716],{"class":5525},[5237,7100,5646],{"class":5623},[5237,7102,7103,7105,7107,7109,7111,7113,7116],{"class":5239,"line":5283},[5237,7104,6165],{"class":5775},[5237,7106,6574],{"class":5775},[5237,7108,5199],{"class":5623},[5237,7110,6579],{"class":5775},[5237,7112,5199],{"class":5623},[5237,7114,7115],{"class":5813},"DB_PASSWORD",[5237,7117,5646],{"class":5623},[5237,7119,7120,7122,7125],{"class":5239,"line":5289},[5237,7121,6174],{"class":5775},[5237,7123,7124],{"class":5525}," 'production_db'",[5237,7126,5646],{"class":5623},[5237,7128,7129,7131],{"class":5239,"line":5295},[5237,7130,6591],{"class":5775},[5237,7132,5943],{"class":5623},[5237,7134,7135,7137,7140,7142],{"class":5239,"line":5300},[5237,7136,6824],{"class":5775},[5237,7138,7139],{"class":5538}," true",[5237,7141,5473],{"class":5623},[5237,7143,7144],{"class":5904},"\u002F\u002F Вимагати валідний сертифікат\n",[5237,7146,7147,7150,7152,7154,7157,7159,7162,7164,7167,7170],{"class":5239,"line":5306},[5237,7148,7149],{"class":5775},"    ca:",[5237,7151,7049],{"class":5775},[5237,7153,5199],{"class":5623},[5237,7155,7156],{"class":5522},"readFileSync",[5237,7158,5918],{"class":5623},[5237,7160,7161],{"class":5525},"'.\u002Fcerts\u002Fca-certificate.crt'",[5237,7163,5105],{"class":5623},[5237,7165,7166],{"class":5522},"toString",[5237,7168,7169],{"class":5623},"(), ",[5237,7171,7172],{"class":5904},"\u002F\u002F Кореневий CA\n",[5237,7174,7175,7178,7180,7182,7184,7186,7189,7191,7193,7196],{"class":5239,"line":5312},[5237,7176,7177],{"class":5775},"    key:",[5237,7179,7049],{"class":5775},[5237,7181,5199],{"class":5623},[5237,7183,7156],{"class":5522},[5237,7185,5918],{"class":5623},[5237,7187,7188],{"class":5525},"'.\u002Fcerts\u002Fclient-key.pem'",[5237,7190,5105],{"class":5623},[5237,7192,7166],{"class":5522},[5237,7194,7195],{"class":5623},"(),    ",[5237,7197,7198],{"class":5904},"\u002F\u002F Приватний ключ клієнта\n",[5237,7200,7201,7204,7206,7208,7210,7212,7215,7217,7219,7222],{"class":5239,"line":5318},[5237,7202,7203],{"class":5775},"    cert:",[5237,7205,7049],{"class":5775},[5237,7207,5199],{"class":5623},[5237,7209,7156],{"class":5522},[5237,7211,5918],{"class":5623},[5237,7213,7214],{"class":5525},"'.\u002Fcerts\u002Fclient-cert.pem'",[5237,7216,5105],{"class":5623},[5237,7218,7166],{"class":5522},[5237,7220,7221],{"class":5623},"(),  ",[5237,7223,7224],{"class":5904},"\u002F\u002F Сертифікат клієнта\n",[5237,7226,7227],{"class":5239,"line":5324},[5237,7228,6836],{"class":5623},[5237,7230,7231],{"class":5239,"line":5330},[5237,7232,6222],{"class":5623},[7234,7235,7236,7237,7240,7241,5113,7244,7247],"caution",{},"Налаштування ",[5110,7238,7239],{},"rejectUnauthorized: false"," відключає перевірку сертифіката, що робить з'єднання вразливим до атак типу ",[5102,7242,7243],{},"man-in-the-middle",[5102,7245,7246],{},"MITM","). Використовуйте це налаштування лише у контрольованому локальному середовищі або для тестування!",[5405,7249,7251],{"id":7250},"обробка-помилок-підключення","Обробка помилок підключення",[5170,7253,7254],{},"При спробі з'єднання можуть виникнути різні помилки: мережевий таймаут, невірні credentials, недоступність сервера БД. Важливо перехоплювати ці помилки та надавати зрозумілі повідомлення розробнику або логувати їх для подальшого аналізу.",[5228,7256,7259],{"className":5758,"code":7257,"filename":7258,"language":5761,"meta":5233,"style":5233},"import { Pool } from 'pg';\n\nconst pool = new Pool({\n  connectionString: process.env.DATABASE_URL,\n});\n\nasync function testConnection() {\n  try {\n    const client = await pool.connect();\n    console.log('✅ З\\'єднання успішно встановлено');\n    \n    const result = await client.query('SELECT current_database(), version()');\n    console.log('Поточна база:', result.rows[0].current_database);\n    console.log('Версія PostgreSQL:', result.rows[0].version);\n    \n    client.release(); \u002F\u002F Повертаємо з'єднання у пул\n  } catch (error) {\n    if (error instanceof Error) {\n      console.error('❌ Помилка підключення:', error.message);\n      \n      \u002F\u002F Аналіз типу помилки\n      if (error.message.includes('ENOTFOUND')) {\n        console.error('Сервер БД недоступний. Перевірте host та DNS.');\n      } else if (error.message.includes('authentication failed')) {\n        console.error('Невірні credentials (user\u002Fpassword).');\n      } else if (error.message.includes('ECONNREFUSED')) {\n        console.error('PostgreSQL не запущено або не слухає на вказаному порту.');\n      }\n    }\n    process.exit(1); \u002F\u002F Зупиняємо процес при критичній помилці\n  }\n}\n\ntestConnection();\n","error-handling.ts",[5110,7260,7261,7277,7281,7295,7311,7315,7319,7330,7336,7354,7374,7379,7402,7434,7466,7470,7485,7500,7517,7542,7547,7552,7578,7594,7624,7639,7666,7681,7687,7693,7715,7720,7725,7730],{"__ignoreMap":5233},[5237,7262,7263,7265,7267,7269,7271,7273,7275],{"class":5239,"line":5240},[5237,7264,5769],{"class":5768},[5237,7266,5772],{"class":5623},[5237,7268,5735],{"class":5775},[5237,7270,5778],{"class":5623},[5237,7272,5781],{"class":5768},[5237,7274,5784],{"class":5525},[5237,7276,5787],{"class":5623},[5237,7278,7279],{"class":5239,"line":5246},[5237,7280,5268],{"emptyLinePlaceholder":5267},[5237,7282,7283,7285,7287,7289,7291,7293],{"class":5239,"line":5252},[5237,7284,6121],{"class":5538},[5237,7286,6124],{"class":5813},[5237,7288,5817],{"class":5623},[5237,7290,5820],{"class":5538},[5237,7292,6131],{"class":5522},[5237,7294,5826],{"class":5623},[5237,7296,7297,7299,7301,7303,7305,7307,7309],{"class":5239,"line":5258},[5237,7298,6571],{"class":5775},[5237,7300,6574],{"class":5775},[5237,7302,5199],{"class":5623},[5237,7304,6579],{"class":5775},[5237,7306,5199],{"class":5623},[5237,7308,6584],{"class":5813},[5237,7310,5646],{"class":5623},[5237,7312,7313],{"class":5239,"line":5264},[5237,7314,6222],{"class":5623},[5237,7316,7317],{"class":5239,"line":5271},[5237,7318,5268],{"emptyLinePlaceholder":5267},[5237,7320,7321,7323,7325,7328],{"class":5239,"line":5277},[5237,7322,5796],{"class":5538},[5237,7324,5799],{"class":5538},[5237,7326,7327],{"class":5522}," testConnection",[5237,7329,5805],{"class":5623},[5237,7331,7332,7334],{"class":5239,"line":5283},[5237,7333,5940],{"class":5768},[5237,7335,5943],{"class":5623},[5237,7337,7338,7340,7342,7344,7346,7348,7350,7352],{"class":5239,"line":5289},[5237,7339,5948],{"class":5538},[5237,7341,5814],{"class":5813},[5237,7343,5817],{"class":5623},[5237,7345,5956],{"class":5768},[5237,7347,6124],{"class":5775},[5237,7349,5199],{"class":5623},[5237,7351,5898],{"class":5522},[5237,7353,6055],{"class":5623},[5237,7355,7356,7358,7360,7362,7364,7367,7369,7372],{"class":5239,"line":5295},[5237,7357,5975],{"class":5775},[5237,7359,5199],{"class":5623},[5237,7361,5915],{"class":5522},[5237,7363,5918],{"class":5623},[5237,7365,7366],{"class":5525},"'✅ З",[5237,7368,5925],{"class":5924},[5237,7370,7371],{"class":5525},"єднання успішно встановлено'",[5237,7373,5931],{"class":5623},[5237,7375,7376],{"class":5239,"line":5300},[5237,7377,7378],{"class":5623},"    \n",[5237,7380,7381,7383,7385,7387,7389,7391,7393,7395,7397,7400],{"class":5239,"line":5306},[5237,7382,5948],{"class":5538},[5237,7384,5951],{"class":5813},[5237,7386,5817],{"class":5623},[5237,7388,5956],{"class":5768},[5237,7390,5814],{"class":5775},[5237,7392,5199],{"class":5623},[5237,7394,5963],{"class":5522},[5237,7396,5918],{"class":5623},[5237,7398,7399],{"class":5525},"'SELECT current_database(), version()'",[5237,7401,5931],{"class":5623},[5237,7403,7404,7406,7408,7410,7412,7415,7417,7419,7421,7423,7425,7427,7429,7432],{"class":5239,"line":5312},[5237,7405,5975],{"class":5775},[5237,7407,5199],{"class":5623},[5237,7409,5915],{"class":5522},[5237,7411,5918],{"class":5623},[5237,7413,7414],{"class":5525},"'Поточна база:'",[5237,7416,5473],{"class":5623},[5237,7418,5989],{"class":5775},[5237,7420,5199],{"class":5623},[5237,7422,5994],{"class":5775},[5237,7424,5997],{"class":5623},[5237,7426,6000],{"class":5844},[5237,7428,6003],{"class":5623},[5237,7430,7431],{"class":5775},"current_database",[5237,7433,5931],{"class":5623},[5237,7435,7436,7438,7440,7442,7444,7447,7449,7451,7453,7455,7457,7459,7461,7464],{"class":5239,"line":5318},[5237,7437,5975],{"class":5775},[5237,7439,5199],{"class":5623},[5237,7441,5915],{"class":5522},[5237,7443,5918],{"class":5623},[5237,7445,7446],{"class":5525},"'Версія PostgreSQL:'",[5237,7448,5473],{"class":5623},[5237,7450,5989],{"class":5775},[5237,7452,5199],{"class":5623},[5237,7454,5994],{"class":5775},[5237,7456,5997],{"class":5623},[5237,7458,6000],{"class":5844},[5237,7460,6003],{"class":5623},[5237,7462,7463],{"class":5775},"version",[5237,7465,5931],{"class":5623},[5237,7467,7468],{"class":5239,"line":5324},[5237,7469,7378],{"class":5623},[5237,7471,7472,7475,7477,7480,7482],{"class":5239,"line":5330},[5237,7473,7474],{"class":5775},"    client",[5237,7476,5199],{"class":5623},[5237,7478,7479],{"class":5522},"release",[5237,7481,5901],{"class":5623},[5237,7483,7484],{"class":5904},"\u002F\u002F Повертаємо з'єднання у пул\n",[5237,7486,7487,7489,7492,7494,7497],{"class":5239,"line":5336},[5237,7488,6013],{"class":5623},[5237,7490,7491],{"class":5768},"catch",[5237,7493,5113],{"class":5623},[5237,7495,7496],{"class":5775},"error",[5237,7498,7499],{"class":5623},") {\n",[5237,7501,7502,7505,7507,7509,7512,7515],{"class":5239,"line":5342},[5237,7503,7504],{"class":5768},"    if",[5237,7506,5113],{"class":5623},[5237,7508,7496],{"class":5775},[5237,7510,7511],{"class":5538}," instanceof",[5237,7513,7514],{"class":6682}," Error",[5237,7516,7499],{"class":5623},[5237,7518,7519,7522,7524,7526,7528,7531,7533,7535,7537,7540],{"class":5239,"line":5347},[5237,7520,7521],{"class":5775},"      console",[5237,7523,5199],{"class":5623},[5237,7525,7496],{"class":5522},[5237,7527,5918],{"class":5623},[5237,7529,7530],{"class":5525},"'❌ Помилка підключення:'",[5237,7532,5473],{"class":5623},[5237,7534,7496],{"class":5775},[5237,7536,5199],{"class":5623},[5237,7538,7539],{"class":5775},"message",[5237,7541,5931],{"class":5623},[5237,7543,7544],{"class":5239,"line":5353},[5237,7545,7546],{"class":5623},"      \n",[5237,7548,7549],{"class":5239,"line":5359},[5237,7550,7551],{"class":5904},"      \u002F\u002F Аналіз типу помилки\n",[5237,7553,7554,7557,7559,7561,7563,7565,7567,7570,7572,7575],{"class":5239,"line":5365},[5237,7555,7556],{"class":5768},"      if",[5237,7558,5113],{"class":5623},[5237,7560,7496],{"class":5775},[5237,7562,5199],{"class":5623},[5237,7564,7539],{"class":5775},[5237,7566,5199],{"class":5623},[5237,7568,7569],{"class":5522},"includes",[5237,7571,5918],{"class":5623},[5237,7573,7574],{"class":5525},"'ENOTFOUND'",[5237,7576,7577],{"class":5623},")) {\n",[5237,7579,7580,7583,7585,7587,7589,7592],{"class":5239,"line":5371},[5237,7581,7582],{"class":5775},"        console",[5237,7584,5199],{"class":5623},[5237,7586,7496],{"class":5522},[5237,7588,5918],{"class":5623},[5237,7590,7591],{"class":5525},"'Сервер БД недоступний. Перевірте host та DNS.'",[5237,7593,5931],{"class":5623},[5237,7595,7596,7599,7602,7605,7607,7609,7611,7613,7615,7617,7619,7622],{"class":5239,"line":5377},[5237,7597,7598],{"class":5623},"      } ",[5237,7600,7601],{"class":5768},"else",[5237,7603,7604],{"class":5768}," if",[5237,7606,5113],{"class":5623},[5237,7608,7496],{"class":5775},[5237,7610,5199],{"class":5623},[5237,7612,7539],{"class":5775},[5237,7614,5199],{"class":5623},[5237,7616,7569],{"class":5522},[5237,7618,5918],{"class":5623},[5237,7620,7621],{"class":5525},"'authentication failed'",[5237,7623,7577],{"class":5623},[5237,7625,7626,7628,7630,7632,7634,7637],{"class":5239,"line":5383},[5237,7627,7582],{"class":5775},[5237,7629,5199],{"class":5623},[5237,7631,7496],{"class":5522},[5237,7633,5918],{"class":5623},[5237,7635,7636],{"class":5525},"'Невірні credentials (user\u002Fpassword).'",[5237,7638,5931],{"class":5623},[5237,7640,7641,7643,7645,7647,7649,7651,7653,7655,7657,7659,7661,7664],{"class":5239,"line":5389},[5237,7642,7598],{"class":5623},[5237,7644,7601],{"class":5768},[5237,7646,7604],{"class":5768},[5237,7648,5113],{"class":5623},[5237,7650,7496],{"class":5775},[5237,7652,5199],{"class":5623},[5237,7654,7539],{"class":5775},[5237,7656,5199],{"class":5623},[5237,7658,7569],{"class":5522},[5237,7660,5918],{"class":5623},[5237,7662,7663],{"class":5525},"'ECONNREFUSED'",[5237,7665,7577],{"class":5623},[5237,7667,7668,7670,7672,7674,7676,7679],{"class":5239,"line":5394},[5237,7669,7582],{"class":5775},[5237,7671,5199],{"class":5623},[5237,7673,7496],{"class":5522},[5237,7675,5918],{"class":5623},[5237,7677,7678],{"class":5525},"'PostgreSQL не запущено або не слухає на вказаному порту.'",[5237,7680,5931],{"class":5623},[5237,7682,7684],{"class":5239,"line":7683},28,[5237,7685,7686],{"class":5623},"      }\n",[5237,7688,7690],{"class":5239,"line":7689},29,[5237,7691,7692],{"class":5623},"    }\n",[5237,7694,7696,7699,7701,7704,7706,7709,7712],{"class":5239,"line":7695},30,[5237,7697,7698],{"class":5775},"    process",[5237,7700,5199],{"class":5623},[5237,7702,7703],{"class":5522},"exit",[5237,7705,5918],{"class":5623},[5237,7707,7708],{"class":5844},"1",[5237,7710,7711],{"class":5623},"); ",[5237,7713,7714],{"class":5904},"\u002F\u002F Зупиняємо процес при критичній помилці\n",[5237,7716,7718],{"class":5239,"line":7717},31,[5237,7719,5719],{"class":5623},[5237,7721,7723],{"class":5239,"line":7722},32,[5237,7724,5724],{"class":5623},[5237,7726,7728],{"class":5239,"line":7727},33,[5237,7729,5268],{"emptyLinePlaceholder":5267},[5237,7731,7733,7736],{"class":5239,"line":7732},34,[5237,7734,7735],{"class":5522},"testConnection",[5237,7737,6055],{"class":5623},[7739,7740,7741,7763],"accordion",{},[7742,7743,6324,7746,7749,7750,7752,7753,7756,7757,7759,7760,7762],"accordion-item",{"icon":7744,"label":7745},"i-lucide-help-circle","❓ Чому важливо викликати client.release() після використання з'єднання?",[5110,7747,7748],{},"release()"," повертає з'єднання назад у пул, роблячи його доступним для інших запитів. Якщо ви забудете викликати ",[5110,7751,7748],{},", з'єднання залишиться «заблокованим» (",[5102,7754,7755],{},"checked out","), і коли кількість таких з'єднань досягне параметра ",[5110,7758,6901],{},", нові запити почнуть чекати або падати з таймаутом. Це класичний приклад витоку ресурсів (",[5102,7761,6066],{},") у Node.js застосунках.",[7742,7764,7766,7772,7888],{"icon":7744,"label":7765},"❓ Як перевірити, скільки з'єднань зараз активно у пулі?",[5170,7767,7768,7769,7771],{},"Об'єкт ",[5110,7770,5735],{}," має публічні властивості для моніторингу стану:",[5228,7773,7775],{"className":5758,"code":7774,"language":5761,"meta":5233,"style":5233},"console.log('Всього з\\'єднань:', pool.totalCount);\nconsole.log('Активних (зайнятих):', pool.totalCount - pool.idleCount);\nconsole.log('Вільних (idle):', pool.idleCount);\nconsole.log('Очікують у черзі:', pool.waitingCount);\n",[5110,7776,7777,7808,7841,7864],{"__ignoreMap":5233},[5237,7778,7779,7782,7784,7786,7788,7791,7793,7796,7798,7801,7803,7806],{"class":5239,"line":5240},[5237,7780,7781],{"class":5775},"console",[5237,7783,5199],{"class":5623},[5237,7785,5915],{"class":5522},[5237,7787,5918],{"class":5623},[5237,7789,7790],{"class":5525},"'Всього з",[5237,7792,5925],{"class":5924},[5237,7794,7795],{"class":5525},"єднань:'",[5237,7797,5473],{"class":5623},[5237,7799,7800],{"class":5775},"pool",[5237,7802,5199],{"class":5623},[5237,7804,7805],{"class":5775},"totalCount",[5237,7807,5931],{"class":5623},[5237,7809,7810,7812,7814,7816,7818,7821,7823,7825,7827,7829,7832,7834,7836,7839],{"class":5239,"line":5246},[5237,7811,7781],{"class":5775},[5237,7813,5199],{"class":5623},[5237,7815,5915],{"class":5522},[5237,7817,5918],{"class":5623},[5237,7819,7820],{"class":5525},"'Активних (зайнятих):'",[5237,7822,5473],{"class":5623},[5237,7824,7800],{"class":5775},[5237,7826,5199],{"class":5623},[5237,7828,7805],{"class":5775},[5237,7830,7831],{"class":5623}," - ",[5237,7833,7800],{"class":5775},[5237,7835,5199],{"class":5623},[5237,7837,7838],{"class":5775},"idleCount",[5237,7840,5931],{"class":5623},[5237,7842,7843,7845,7847,7849,7851,7854,7856,7858,7860,7862],{"class":5239,"line":5252},[5237,7844,7781],{"class":5775},[5237,7846,5199],{"class":5623},[5237,7848,5915],{"class":5522},[5237,7850,5918],{"class":5623},[5237,7852,7853],{"class":5525},"'Вільних (idle):'",[5237,7855,5473],{"class":5623},[5237,7857,7800],{"class":5775},[5237,7859,5199],{"class":5623},[5237,7861,7838],{"class":5775},[5237,7863,5931],{"class":5623},[5237,7865,7866,7868,7870,7872,7874,7877,7879,7881,7883,7886],{"class":5239,"line":5258},[5237,7867,7781],{"class":5775},[5237,7869,5199],{"class":5623},[5237,7871,5915],{"class":5522},[5237,7873,5918],{"class":5623},[5237,7875,7876],{"class":5525},"'Очікують у черзі:'",[5237,7878,5473],{"class":5623},[5237,7880,7800],{"class":5775},[5237,7882,5199],{"class":5623},[5237,7884,7885],{"class":5775},"waitingCount",[5237,7887,5931],{"class":5623},[5170,7889,7890],{},"Ці метрики корисні для налаштування розміру пулу та діагностики bottleneck'ів.",[5162,7892],{},[5165,7894,7896],{"id":7895},"виконання-sql-запитів","Виконання SQL запитів",[5405,7898,6324,7900,7903],{"id":7899},"метод-query-для-виконання-запитів",[5110,7901,7902],{},"query()"," для виконання запитів",[5170,7905,7906,7907,7909,7910,7913,7914,7917,7918,7920,7921,7924],{},"Основний метод для виконання SQL-команд — це ",[5110,7908,7902],{},", який приймає текст запиту та опціональні параметри. Цей метод повертає ",[5110,7911,7912],{},"Promise",", що резолвиться в об'єкт ",[5110,7915,7916],{},"QueryResult"," із полями ",[5110,7919,5994],{}," (масив результатів) та ",[5110,7922,7923],{},"rowCount"," (кількість оброблених рядків).",[5170,7926,7927],{},[5132,7928,7929],{},"Базовий приклад SELECT-запиту:",[5228,7931,7934],{"className":5758,"code":7932,"filename":7933,"language":5761,"meta":5233,"style":5233},"import { Pool } from 'pg';\n\nconst pool = new Pool({ connectionString: process.env.DATABASE_URL });\n\nasync function getAllUsers() {\n  const result = await pool.query('SELECT id, email, created_at FROM users');\n  \n  console.log('Знайдено користувачів:', result.rowCount);\n  \n  result.rows.forEach(user => {\n    console.log(`ID: ${user.id}, Email: ${user.email}`);\n  });\n}\n\ngetAllUsers();\n","simple-query.ts",[5110,7935,7936,7952,7956,7987,7991,8002,8025,8029,8052,8056,8079,8125,8129,8133,8137],{"__ignoreMap":5233},[5237,7937,7938,7940,7942,7944,7946,7948,7950],{"class":5239,"line":5240},[5237,7939,5769],{"class":5768},[5237,7941,5772],{"class":5623},[5237,7943,5735],{"class":5775},[5237,7945,5778],{"class":5623},[5237,7947,5781],{"class":5768},[5237,7949,5784],{"class":5525},[5237,7951,5787],{"class":5623},[5237,7953,7954],{"class":5239,"line":5246},[5237,7955,5268],{"emptyLinePlaceholder":5267},[5237,7957,7958,7960,7962,7964,7966,7968,7971,7974,7976,7978,7980,7982,7984],{"class":5239,"line":5252},[5237,7959,6121],{"class":5538},[5237,7961,6124],{"class":5813},[5237,7963,5817],{"class":5623},[5237,7965,5820],{"class":5538},[5237,7967,6131],{"class":5522},[5237,7969,7970],{"class":5623},"({ ",[5237,7972,7973],{"class":5775},"connectionString:",[5237,7975,6574],{"class":5775},[5237,7977,5199],{"class":5623},[5237,7979,6579],{"class":5775},[5237,7981,5199],{"class":5623},[5237,7983,6584],{"class":5813},[5237,7985,7986],{"class":5623}," });\n",[5237,7988,7989],{"class":5239,"line":5258},[5237,7990,5268],{"emptyLinePlaceholder":5267},[5237,7992,7993,7995,7997,8000],{"class":5239,"line":5264},[5237,7994,5796],{"class":5538},[5237,7996,5799],{"class":5538},[5237,7998,7999],{"class":5522}," getAllUsers",[5237,8001,5805],{"class":5623},[5237,8003,8004,8006,8008,8010,8012,8014,8016,8018,8020,8023],{"class":5239,"line":5271},[5237,8005,5810],{"class":5538},[5237,8007,5951],{"class":5813},[5237,8009,5817],{"class":5623},[5237,8011,5956],{"class":5768},[5237,8013,6124],{"class":5775},[5237,8015,5199],{"class":5623},[5237,8017,5963],{"class":5522},[5237,8019,5918],{"class":5623},[5237,8021,8022],{"class":5525},"'SELECT id, email, created_at FROM users'",[5237,8024,5931],{"class":5623},[5237,8026,8027],{"class":5239,"line":5277},[5237,8028,6751],{"class":5623},[5237,8030,8031,8033,8035,8037,8039,8042,8044,8046,8048,8050],{"class":5239,"line":5283},[5237,8032,5910],{"class":5775},[5237,8034,5199],{"class":5623},[5237,8036,5915],{"class":5522},[5237,8038,5918],{"class":5623},[5237,8040,8041],{"class":5525},"'Знайдено користувачів:'",[5237,8043,5473],{"class":5623},[5237,8045,5989],{"class":5775},[5237,8047,5199],{"class":5623},[5237,8049,7923],{"class":5775},[5237,8051,5931],{"class":5623},[5237,8053,8054],{"class":5239,"line":5289},[5237,8055,6751],{"class":5623},[5237,8057,8058,8061,8063,8065,8067,8070,8072,8074,8077],{"class":5239,"line":5295},[5237,8059,8060],{"class":5775},"  result",[5237,8062,5199],{"class":5623},[5237,8064,5994],{"class":5775},[5237,8066,5199],{"class":5623},[5237,8068,8069],{"class":5522},"forEach",[5237,8071,5918],{"class":5623},[5237,8073,6878],{"class":5775},[5237,8075,8076],{"class":5538}," =>",[5237,8078,5943],{"class":5623},[5237,8080,8081,8083,8085,8087,8089,8092,8095,8097,8100,8103,8106,8109,8111,8113,8115,8118,8120,8123],{"class":5239,"line":5300},[5237,8082,5975],{"class":5775},[5237,8084,5199],{"class":5623},[5237,8086,5915],{"class":5522},[5237,8088,5918],{"class":5623},[5237,8090,8091],{"class":5525},"`ID: ",[5237,8093,8094],{"class":5538},"${",[5237,8096,6878],{"class":5775},[5237,8098,5199],{"class":8099},"sD7JJ",[5237,8101,8102],{"class":5775},"id",[5237,8104,8105],{"class":5538},"}",[5237,8107,8108],{"class":5525},", Email: ",[5237,8110,8094],{"class":5538},[5237,8112,6878],{"class":5775},[5237,8114,5199],{"class":8099},[5237,8116,8117],{"class":5775},"email",[5237,8119,8105],{"class":5538},[5237,8121,8122],{"class":5525},"`",[5237,8124,5931],{"class":5623},[5237,8126,8127],{"class":5239,"line":5306},[5237,8128,5882],{"class":5623},[5237,8130,8131],{"class":5239,"line":5312},[5237,8132,5724],{"class":5623},[5237,8134,8135],{"class":5239,"line":5318},[5237,8136,5268],{"emptyLinePlaceholder":5267},[5237,8138,8139,8142],{"class":5239,"line":5324},[5237,8140,8141],{"class":5522},"getAllUsers",[5237,8143,6055],{"class":5623},[5170,8145,8146],{},[5132,8147,8148,8149,8151],{},"Структура об'єкта ",[5110,8150,7916],{},":",[5228,8153,8155],{"className":5758,"code":8154,"language":5761,"meta":5233,"style":5233},"interface QueryResult\u003CT = any> {\n  rows: T[];           \u002F\u002F Масив рядків результату\n  rowCount: number;    \u002F\u002F Кількість рядків (для INSERT\u002FUPDATE\u002FDELETE)\n  command: string;     \u002F\u002F Тип команди: SELECT, INSERT, UPDATE тощо\n  oid: number;         \u002F\u002F Object ID (для INSERT у таблиці з OID)\n  fields: FieldDef[];  \u002F\u002F Метадані колонок (назва, тип, розмір)\n}\n",[5110,8156,8157,8179,8194,8209,8224,8239,8255],{"__ignoreMap":5233},[5237,8158,8159,8162,8165,8168,8171,8173,8176],{"class":5239,"line":5240},[5237,8160,8161],{"class":5538},"interface",[5237,8163,8164],{"class":6682}," QueryResult",[5237,8166,8167],{"class":5623},"\u003C",[5237,8169,8170],{"class":6682},"T",[5237,8172,5817],{"class":5623},[5237,8174,8175],{"class":6682},"any",[5237,8177,8178],{"class":5623},"> {\n",[5237,8180,8181,8184,8186,8188,8191],{"class":5239,"line":5246},[5237,8182,8183],{"class":5775},"  rows",[5237,8185,5469],{"class":5623},[5237,8187,8170],{"class":6682},[5237,8189,8190],{"class":5623},"[];           ",[5237,8192,8193],{"class":5904},"\u002F\u002F Масив рядків результату\n",[5237,8195,8196,8199,8201,8203,8206],{"class":5239,"line":5252},[5237,8197,8198],{"class":5775},"  rowCount",[5237,8200,5469],{"class":5623},[5237,8202,6868],{"class":6682},[5237,8204,8205],{"class":5623},";    ",[5237,8207,8208],{"class":5904},"\u002F\u002F Кількість рядків (для INSERT\u002FUPDATE\u002FDELETE)\n",[5237,8210,8211,8214,8216,8218,8221],{"class":5239,"line":5258},[5237,8212,8213],{"class":5775},"  command",[5237,8215,5469],{"class":5623},[5237,8217,6849],{"class":6682},[5237,8219,8220],{"class":5623},";     ",[5237,8222,8223],{"class":5904},"\u002F\u002F Тип команди: SELECT, INSERT, UPDATE тощо\n",[5237,8225,8226,8229,8231,8233,8236],{"class":5239,"line":5264},[5237,8227,8228],{"class":5775},"  oid",[5237,8230,5469],{"class":5623},[5237,8232,6868],{"class":6682},[5237,8234,8235],{"class":5623},";         ",[5237,8237,8238],{"class":5904},"\u002F\u002F Object ID (для INSERT у таблиці з OID)\n",[5237,8240,8241,8244,8246,8249,8252],{"class":5239,"line":5271},[5237,8242,8243],{"class":5775},"  fields",[5237,8245,5469],{"class":5623},[5237,8247,8248],{"class":6682},"FieldDef",[5237,8250,8251],{"class":5623},"[];  ",[5237,8253,8254],{"class":5904},"\u002F\u002F Метадані колонок (назва, тип, розмір)\n",[5237,8256,8257],{"class":5239,"line":5277},[5237,8258,5724],{"class":5623},[5405,8260,8262],{"id":8261},"параметризовані-запити-prepared-statements","Параметризовані запити (Prepared Statements)",[5170,8264,8265,8268,8269,8272],{},[5132,8266,8267],{},"Найважливіше правило безпеки: ніколи не конкатенуйте користувацький ввід безпосередньо у SQL-рядок!"," Це призводить до вразливості SQL-ін'єкції (",[5102,8270,8271],{},"SQL injection","), яка дозволяє зловмиснику виконати довільні команди у вашій базі даних.",[6057,8274,8275,8280,8347,8354,8396],{},[5170,8276,8277],{},[5132,8278,8279],{},"Небезпечний код (вразливий до SQL injection):",[5228,8281,8283],{"className":5758,"code":8282,"language":5761,"meta":5233,"style":5233},"\u002F\u002F ❌ НІКОЛИ ТАК НЕ РОБІТЬ!\nconst email = userInput; \u002F\u002F Наприклад: \"admin@test.com' OR '1'='1\"\nconst query = `SELECT * FROM users WHERE email = '${email}'`;\nawait pool.query(query);\n",[5110,8284,8285,8290,8308,8331],{"__ignoreMap":5233},[5237,8286,8287],{"class":5239,"line":5240},[5237,8288,8289],{"class":5904},"\u002F\u002F ❌ НІКОЛИ ТАК НЕ РОБІТЬ!\n",[5237,8291,8292,8294,8297,8299,8302,8305],{"class":5239,"line":5246},[5237,8293,6121],{"class":5538},[5237,8295,8296],{"class":5813}," email",[5237,8298,5817],{"class":5623},[5237,8300,8301],{"class":5775},"userInput",[5237,8303,8304],{"class":5623},"; ",[5237,8306,8307],{"class":5904},"\u002F\u002F Наприклад: \"admin@test.com' OR '1'='1\"\n",[5237,8309,8310,8312,8315,8317,8320,8322,8324,8326,8329],{"class":5239,"line":5252},[5237,8311,6121],{"class":5538},[5237,8313,8314],{"class":5813}," query",[5237,8316,5817],{"class":5623},[5237,8318,8319],{"class":5525},"`SELECT * FROM users WHERE email = '",[5237,8321,8094],{"class":5538},[5237,8323,8117],{"class":5775},[5237,8325,8105],{"class":5538},[5237,8327,8328],{"class":5525},"'`",[5237,8330,5787],{"class":5623},[5237,8332,8333,8335,8337,8339,8341,8343,8345],{"class":5239,"line":5258},[5237,8334,5956],{"class":5768},[5237,8336,6124],{"class":5775},[5237,8338,5199],{"class":5623},[5237,8340,5963],{"class":5522},[5237,8342,5918],{"class":5623},[5237,8344,5963],{"class":5775},[5237,8346,5931],{"class":5623},[5170,8348,8349,8350,8353],{},"Якщо зловмисник передасть ",[5110,8351,8352],{},"email = \"' OR '1'='1\"",", запит перетвориться на:",[5228,8355,8359],{"className":8356,"code":8357,"language":8358,"meta":5233,"style":5233},"language-sql shiki shiki-themes light-plus dark-plus dark-plus","SELECT * FROM users WHERE email = '' OR '1'='1'\n","sql",[5110,8360,8361],{"__ignoreMap":5233},[5237,8362,8363,8366,8369,8372,8375,8378,8381,8384,8387,8390,8393],{"class":5239,"line":5240},[5237,8364,8365],{"class":5538},"SELECT",[5237,8367,8368],{"class":5623}," * ",[5237,8370,8371],{"class":5538},"FROM",[5237,8373,8374],{"class":5623}," users ",[5237,8376,8377],{"class":5538},"WHERE",[5237,8379,8380],{"class":5623}," email = ",[5237,8382,8383],{"class":5525},"''",[5237,8385,8386],{"class":5538}," OR",[5237,8388,8389],{"class":5525}," '1'",[5237,8391,8392],{"class":5623},"=",[5237,8394,8395],{"class":5525},"'1'\n",[5170,8397,8398,8399,8402],{},"Умова ",[5110,8400,8401],{},"'1'='1'"," завжди істинна, тому буде повернуто всі рядки таблиці.",[5170,8404,8405],{},[5132,8406,8407],{},"Правильний підхід — параметризовані запити:",[5170,8409,5738,8410,8412,8413,5473,8416,5473,8419,8422,8423,8426],{},[5110,8411,5112],{}," підтримує плейсхолдери у форматі ",[5110,8414,8415],{},"$1",[5110,8417,8418],{},"$2",[5110,8420,8421],{},"$3"," тощо, куди підставляються значення з масиву параметрів. PostgreSQL автоматично екранує (",[5102,8424,8425],{},"escapes",") спеціальні символи, запобігаючи ін'єкціям.",[5228,8428,8431],{"className":5758,"code":8429,"filename":8430,"language":5761,"meta":5233,"style":5233},"async function getUserByEmail(email: string) {\n  const query = 'SELECT id, email, created_at FROM users WHERE email = $1';\n  const values = [email];\n  \n  const result = await pool.query(query, values);\n  \n  if (result.rowCount === 0) {\n    console.log('Користувача не знайдено');\n    return null;\n  }\n  \n  return result.rows[0];\n}\n\n\u002F\u002F Використання:\nconst user = await getUserByEmail('test@example.com');\n","parameterized-query.ts",[5110,8432,8433,8452,8465,8480,8484,8511,8515,8534,8549,8559,8563,8567,8584,8588,8592,8597],{"__ignoreMap":5233},[5237,8434,8435,8437,8439,8442,8444,8446,8448,8450],{"class":5239,"line":5240},[5237,8436,5796],{"class":5538},[5237,8438,5799],{"class":5538},[5237,8440,8441],{"class":5522}," getUserByEmail",[5237,8443,5918],{"class":5623},[5237,8445,8117],{"class":5775},[5237,8447,5469],{"class":5623},[5237,8449,6849],{"class":6682},[5237,8451,7499],{"class":5623},[5237,8453,8454,8456,8458,8460,8463],{"class":5239,"line":5246},[5237,8455,5810],{"class":5538},[5237,8457,8314],{"class":5813},[5237,8459,5817],{"class":5623},[5237,8461,8462],{"class":5525},"'SELECT id, email, created_at FROM users WHERE email = $1'",[5237,8464,5787],{"class":5623},[5237,8466,8467,8469,8472,8475,8477],{"class":5239,"line":5252},[5237,8468,5810],{"class":5538},[5237,8470,8471],{"class":5813}," values",[5237,8473,8474],{"class":5623}," = [",[5237,8476,8117],{"class":5775},[5237,8478,8479],{"class":5623},"];\n",[5237,8481,8482],{"class":5239,"line":5258},[5237,8483,6751],{"class":5623},[5237,8485,8486,8488,8490,8492,8494,8496,8498,8500,8502,8504,8506,8509],{"class":5239,"line":5264},[5237,8487,5810],{"class":5538},[5237,8489,5951],{"class":5813},[5237,8491,5817],{"class":5623},[5237,8493,5956],{"class":5768},[5237,8495,6124],{"class":5775},[5237,8497,5199],{"class":5623},[5237,8499,5963],{"class":5522},[5237,8501,5918],{"class":5623},[5237,8503,5963],{"class":5775},[5237,8505,5473],{"class":5623},[5237,8507,8508],{"class":5775},"values",[5237,8510,5931],{"class":5623},[5237,8512,8513],{"class":5239,"line":5271},[5237,8514,6751],{"class":5623},[5237,8516,8517,8520,8522,8524,8526,8528,8530,8532],{"class":5239,"line":5277},[5237,8518,8519],{"class":5768},"  if",[5237,8521,5113],{"class":5623},[5237,8523,5989],{"class":5775},[5237,8525,5199],{"class":5623},[5237,8527,7923],{"class":5775},[5237,8529,6605],{"class":5623},[5237,8531,6000],{"class":5844},[5237,8533,7499],{"class":5623},[5237,8535,8536,8538,8540,8542,8544,8547],{"class":5239,"line":5283},[5237,8537,5975],{"class":5775},[5237,8539,5199],{"class":5623},[5237,8541,5915],{"class":5522},[5237,8543,5918],{"class":5623},[5237,8545,8546],{"class":5525},"'Користувача не знайдено'",[5237,8548,5931],{"class":5623},[5237,8550,8551,8554,8557],{"class":5239,"line":5289},[5237,8552,8553],{"class":5768},"    return",[5237,8555,8556],{"class":5538}," null",[5237,8558,5787],{"class":5623},[5237,8560,8561],{"class":5239,"line":5295},[5237,8562,5719],{"class":5623},[5237,8564,8565],{"class":5239,"line":5300},[5237,8566,6751],{"class":5623},[5237,8568,8569,8572,8574,8576,8578,8580,8582],{"class":5239,"line":5306},[5237,8570,8571],{"class":5768},"  return",[5237,8573,5951],{"class":5775},[5237,8575,5199],{"class":5623},[5237,8577,5994],{"class":5775},[5237,8579,5997],{"class":5623},[5237,8581,6000],{"class":5844},[5237,8583,8479],{"class":5623},[5237,8585,8586],{"class":5239,"line":5312},[5237,8587,5724],{"class":5623},[5237,8589,8590],{"class":5239,"line":5318},[5237,8591,5268],{"emptyLinePlaceholder":5267},[5237,8593,8594],{"class":5239,"line":5324},[5237,8595,8596],{"class":5904},"\u002F\u002F Використання:\n",[5237,8598,8599,8601,8604,8606,8608,8610,8612,8615],{"class":5239,"line":5330},[5237,8600,6121],{"class":5538},[5237,8602,8603],{"class":5813}," user",[5237,8605,5817],{"class":5623},[5237,8607,5956],{"class":5768},[5237,8609,8441],{"class":5522},[5237,8611,5918],{"class":5623},[5237,8613,8614],{"class":5525},"'test@example.com'",[5237,8616,5931],{"class":5623},[5170,8618,8619],{},[5132,8620,8621],{},"Кілька параметрів:",[5228,8623,8626],{"className":5758,"code":8624,"filename":8625,"language":5761,"meta":5233,"style":5233},"async function createUser(email: string, name: string, age: number) {\n  const query = `\n    INSERT INTO users (email, name, age, created_at)\n    VALUES ($1, $2, $3, NOW())\n    RETURNING id, email, created_at\n  `;\n  const values = [email, name, age];\n  \n  const result = await pool.query(query, values);\n  return result.rows[0]; \u002F\u002F Повертає вставлений рядок\n}\n\nconst newUser = await createUser('john@example.com', 'John Doe', 28);\nconsole.log('Створено користувача з ID:', newUser.id);\n","multiple-params.ts",[5110,8627,8628,8665,8676,8681,8686,8691,8698,8718,8722,8748,8768,8772,8776,8806],{"__ignoreMap":5233},[5237,8629,8630,8632,8634,8637,8639,8641,8643,8645,8647,8650,8652,8654,8656,8659,8661,8663],{"class":5239,"line":5240},[5237,8631,5796],{"class":5538},[5237,8633,5799],{"class":5538},[5237,8635,8636],{"class":5522}," createUser",[5237,8638,5918],{"class":5623},[5237,8640,8117],{"class":5775},[5237,8642,5469],{"class":5623},[5237,8644,6849],{"class":6682},[5237,8646,5473],{"class":5623},[5237,8648,8649],{"class":5775},"name",[5237,8651,5469],{"class":5623},[5237,8653,6849],{"class":6682},[5237,8655,5473],{"class":5623},[5237,8657,8658],{"class":5775},"age",[5237,8660,5469],{"class":5623},[5237,8662,6868],{"class":6682},[5237,8664,7499],{"class":5623},[5237,8666,8667,8669,8671,8673],{"class":5239,"line":5246},[5237,8668,5810],{"class":5538},[5237,8670,8314],{"class":5813},[5237,8672,5817],{"class":5623},[5237,8674,8675],{"class":5525},"`\n",[5237,8677,8678],{"class":5239,"line":5252},[5237,8679,8680],{"class":5525},"    INSERT INTO users (email, name, age, created_at)\n",[5237,8682,8683],{"class":5239,"line":5258},[5237,8684,8685],{"class":5525},"    VALUES ($1, $2, $3, NOW())\n",[5237,8687,8688],{"class":5239,"line":5264},[5237,8689,8690],{"class":5525},"    RETURNING id, email, created_at\n",[5237,8692,8693,8696],{"class":5239,"line":5271},[5237,8694,8695],{"class":5525},"  `",[5237,8697,5787],{"class":5623},[5237,8699,8700,8702,8704,8706,8708,8710,8712,8714,8716],{"class":5239,"line":5277},[5237,8701,5810],{"class":5538},[5237,8703,8471],{"class":5813},[5237,8705,8474],{"class":5623},[5237,8707,8117],{"class":5775},[5237,8709,5473],{"class":5623},[5237,8711,8649],{"class":5775},[5237,8713,5473],{"class":5623},[5237,8715,8658],{"class":5775},[5237,8717,8479],{"class":5623},[5237,8719,8720],{"class":5239,"line":5283},[5237,8721,6751],{"class":5623},[5237,8723,8724,8726,8728,8730,8732,8734,8736,8738,8740,8742,8744,8746],{"class":5239,"line":5289},[5237,8725,5810],{"class":5538},[5237,8727,5951],{"class":5813},[5237,8729,5817],{"class":5623},[5237,8731,5956],{"class":5768},[5237,8733,6124],{"class":5775},[5237,8735,5199],{"class":5623},[5237,8737,5963],{"class":5522},[5237,8739,5918],{"class":5623},[5237,8741,5963],{"class":5775},[5237,8743,5473],{"class":5623},[5237,8745,8508],{"class":5775},[5237,8747,5931],{"class":5623},[5237,8749,8750,8752,8754,8756,8758,8760,8762,8765],{"class":5239,"line":5295},[5237,8751,8571],{"class":5768},[5237,8753,5951],{"class":5775},[5237,8755,5199],{"class":5623},[5237,8757,5994],{"class":5775},[5237,8759,5997],{"class":5623},[5237,8761,6000],{"class":5844},[5237,8763,8764],{"class":5623},"]; ",[5237,8766,8767],{"class":5904},"\u002F\u002F Повертає вставлений рядок\n",[5237,8769,8770],{"class":5239,"line":5300},[5237,8771,5724],{"class":5623},[5237,8773,8774],{"class":5239,"line":5306},[5237,8775,5268],{"emptyLinePlaceholder":5267},[5237,8777,8778,8780,8783,8785,8787,8789,8791,8794,8796,8799,8801,8804],{"class":5239,"line":5312},[5237,8779,6121],{"class":5538},[5237,8781,8782],{"class":5813}," newUser",[5237,8784,5817],{"class":5623},[5237,8786,5956],{"class":5768},[5237,8788,8636],{"class":5522},[5237,8790,5918],{"class":5623},[5237,8792,8793],{"class":5525},"'john@example.com'",[5237,8795,5473],{"class":5623},[5237,8797,8798],{"class":5525},"'John Doe'",[5237,8800,5473],{"class":5623},[5237,8802,8803],{"class":5844},"28",[5237,8805,5931],{"class":5623},[5237,8807,8808,8810,8812,8814,8816,8819,8821,8824,8826,8828],{"class":5239,"line":5318},[5237,8809,7781],{"class":5775},[5237,8811,5199],{"class":5623},[5237,8813,5915],{"class":5522},[5237,8815,5918],{"class":5623},[5237,8817,8818],{"class":5525},"'Створено користувача з ID:'",[5237,8820,5473],{"class":5623},[5237,8822,8823],{"class":5775},"newUser",[5237,8825,5199],{"class":5623},[5237,8827,8102],{"class":5775},[5237,8829,5931],{"class":5623},[5488,8831,8832,8833,8836],{},"Ключове слово ",[5110,8834,8835],{},"RETURNING"," у PostgreSQL дозволяє отримати значення вставленого\u002Fоновленого рядка одразу після операції, без необхідності виконувати додатковий SELECT-запит. Це значно зменшує кількість round-trip'ів до БД.",[5405,8838,8840],{"id":8839},"захист-від-sql-injection-додаткові-міркування","Захист від SQL injection: додаткові міркування",[5170,8842,8843],{},"Навіть при використанні параметризованих запитів існують сценарії, коли розробники можуть допустити помилку:",[5174,8845,8846],{},[5095,8847,8848,8851,8852,8854,8855,8858,8859,8862],{},[5132,8849,8850],{},"Динамічні назви таблиць або колонок:"," Плейсхолдери ",[5110,8853,8415],{}," працюють лише для ",[5132,8856,8857],{},"значень",", а не для ідентифікаторів (назв таблиць, колонок). Якщо вам потрібно динамічно підставити назву таблиці, використовуйте білий список (",[5102,8860,8861],{},"whitelist",") дозволених значень.",[5228,8864,8866],{"className":5758,"code":8865,"language":5761,"meta":5233,"style":5233},"\u002F\u002F ❌ Небезпечно\nconst tableName = userInput; \u002F\u002F Може бути \"users; DROP TABLE users; --\"\nawait pool.query(`SELECT * FROM ${tableName}`);\n\n\u002F\u002F ✅ Безпечно\nconst allowedTables = ['users', 'posts', 'comments'];\nif (!allowedTables.includes(userInput)) {\n  throw new Error('Invalid table name');\n}\nawait pool.query(`SELECT * FROM ${userInput}`);\n",[5110,8867,8868,8873,8889,8915,8919,8924,8948,8969,8986,8990],{"__ignoreMap":5233},[5237,8869,8870],{"class":5239,"line":5240},[5237,8871,8872],{"class":5904},"\u002F\u002F ❌ Небезпечно\n",[5237,8874,8875,8877,8880,8882,8884,8886],{"class":5239,"line":5246},[5237,8876,6121],{"class":5538},[5237,8878,8879],{"class":5813}," tableName",[5237,8881,5817],{"class":5623},[5237,8883,8301],{"class":5775},[5237,8885,8304],{"class":5623},[5237,8887,8888],{"class":5904},"\u002F\u002F Може бути \"users; DROP TABLE users; --\"\n",[5237,8890,8891,8893,8895,8897,8899,8901,8904,8906,8909,8911,8913],{"class":5239,"line":5252},[5237,8892,5956],{"class":5768},[5237,8894,6124],{"class":5775},[5237,8896,5199],{"class":5623},[5237,8898,5963],{"class":5522},[5237,8900,5918],{"class":5623},[5237,8902,8903],{"class":5525},"`SELECT * FROM ",[5237,8905,8094],{"class":5538},[5237,8907,8908],{"class":5775},"tableName",[5237,8910,8105],{"class":5538},[5237,8912,8122],{"class":5525},[5237,8914,5931],{"class":5623},[5237,8916,8917],{"class":5239,"line":5258},[5237,8918,5268],{"emptyLinePlaceholder":5267},[5237,8920,8921],{"class":5239,"line":5264},[5237,8922,8923],{"class":5904},"\u002F\u002F ✅ Безпечно\n",[5237,8925,8926,8928,8931,8933,8936,8938,8941,8943,8946],{"class":5239,"line":5271},[5237,8927,6121],{"class":5538},[5237,8929,8930],{"class":5813}," allowedTables",[5237,8932,8474],{"class":5623},[5237,8934,8935],{"class":5525},"'users'",[5237,8937,5473],{"class":5623},[5237,8939,8940],{"class":5525},"'posts'",[5237,8942,5473],{"class":5623},[5237,8944,8945],{"class":5525},"'comments'",[5237,8947,8479],{"class":5623},[5237,8949,8950,8953,8956,8959,8961,8963,8965,8967],{"class":5239,"line":5277},[5237,8951,8952],{"class":5768},"if",[5237,8954,8955],{"class":5623}," (!",[5237,8957,8958],{"class":5775},"allowedTables",[5237,8960,5199],{"class":5623},[5237,8962,7569],{"class":5522},[5237,8964,5918],{"class":5623},[5237,8966,8301],{"class":5775},[5237,8968,7577],{"class":5623},[5237,8970,8971,8974,8977,8979,8981,8984],{"class":5239,"line":5283},[5237,8972,8973],{"class":5768},"  throw",[5237,8975,8976],{"class":5538}," new",[5237,8978,7514],{"class":5522},[5237,8980,5918],{"class":5623},[5237,8982,8983],{"class":5525},"'Invalid table name'",[5237,8985,5931],{"class":5623},[5237,8987,8988],{"class":5239,"line":5289},[5237,8989,5724],{"class":5623},[5237,8991,8992,8994,8996,8998,9000,9002,9004,9006,9008,9010,9012],{"class":5239,"line":5295},[5237,8993,5956],{"class":5768},[5237,8995,6124],{"class":5775},[5237,8997,5199],{"class":5623},[5237,8999,5963],{"class":5522},[5237,9001,5918],{"class":5623},[5237,9003,8903],{"class":5525},[5237,9005,8094],{"class":5538},[5237,9007,8301],{"class":5775},[5237,9009,8105],{"class":5538},[5237,9011,8122],{"class":5525},[5237,9013,5931],{"class":5623},[5174,9015,9016],{"start":5246},[5095,9017,9018,9021,9022,5458,9025,5105],{},[5132,9019,9020],{},"ORDER BY та LIMIT:"," Ці конструкції також не можуть використовувати параметри напряму. Застосуйте валідацію або бібліотеки query builder (наприклад, ",[5110,9023,9024],{},"slonik",[5110,9026,9027],{},"knex",[5405,9029,9031],{"id":9030},"обробка-результатів-запиту","Обробка результатів запиту",[5170,9033,9034,9035,9037],{},"Результат запиту ",[5110,9036,8365],{}," — це завжди масив об'єктів, де ключами є назви колонок. PostgreSQL повертає типи у форматі JavaScript (числа, рядки, дати, JSON).",[5228,9039,9042],{"className":5758,"code":9040,"filename":9041,"language":5761,"meta":5233,"style":5233},"interface User {\n  id: number;\n  email: string;\n  created_at: Date;\n  metadata: { role: string; verified: boolean };\n}\n\nasync function getUsersWithMetadata(): Promise\u003CUser[]> {\n  const result = await pool.query\u003CUser>(`\n    SELECT id, email, created_at, metadata\n    FROM users\n    WHERE metadata->>'role' = 'admin'\n  `);\n  \n  return result.rows;\n}\n\nconst admins = await getUsersWithMetadata();\nadmins.forEach(admin => {\n  console.log(`Admin: ${admin.email}, Verified: ${admin.metadata.verified}`);\n});\n","result-processing.ts",[5110,9043,9044,9053,9064,9075,9087,9115,9119,9123,9145,9170,9175,9180,9185,9191,9195,9207,9211,9215,9230,9248,9293],{"__ignoreMap":5233},[5237,9045,9046,9048,9051],{"class":5239,"line":5240},[5237,9047,8161],{"class":5538},[5237,9049,9050],{"class":6682}," User",[5237,9052,5943],{"class":5623},[5237,9054,9055,9058,9060,9062],{"class":5239,"line":5246},[5237,9056,9057],{"class":5775},"  id",[5237,9059,5469],{"class":5623},[5237,9061,6868],{"class":6682},[5237,9063,5787],{"class":5623},[5237,9065,9066,9069,9071,9073],{"class":5239,"line":5252},[5237,9067,9068],{"class":5775},"  email",[5237,9070,5469],{"class":5623},[5237,9072,6849],{"class":6682},[5237,9074,5787],{"class":5623},[5237,9076,9077,9080,9082,9085],{"class":5239,"line":5258},[5237,9078,9079],{"class":5775},"  created_at",[5237,9081,5469],{"class":5623},[5237,9083,9084],{"class":6682},"Date",[5237,9086,5787],{"class":5623},[5237,9088,9089,9092,9095,9098,9100,9102,9104,9107,9109,9112],{"class":5239,"line":5264},[5237,9090,9091],{"class":5775},"  metadata",[5237,9093,9094],{"class":5623},": { ",[5237,9096,9097],{"class":5775},"role",[5237,9099,5469],{"class":5623},[5237,9101,6849],{"class":6682},[5237,9103,8304],{"class":5623},[5237,9105,9106],{"class":5775},"verified",[5237,9108,5469],{"class":5623},[5237,9110,9111],{"class":6682},"boolean",[5237,9113,9114],{"class":5623}," };\n",[5237,9116,9117],{"class":5239,"line":5271},[5237,9118,5724],{"class":5623},[5237,9120,9121],{"class":5239,"line":5277},[5237,9122,5268],{"emptyLinePlaceholder":5267},[5237,9124,9125,9127,9129,9132,9135,9137,9139,9142],{"class":5239,"line":5283},[5237,9126,5796],{"class":5538},[5237,9128,5799],{"class":5538},[5237,9130,9131],{"class":5522}," getUsersWithMetadata",[5237,9133,9134],{"class":5623},"(): ",[5237,9136,7912],{"class":6682},[5237,9138,8167],{"class":5623},[5237,9140,9141],{"class":6682},"User",[5237,9143,9144],{"class":5623},"[]> {\n",[5237,9146,9147,9149,9151,9153,9155,9157,9159,9161,9163,9165,9168],{"class":5239,"line":5289},[5237,9148,5810],{"class":5538},[5237,9150,5951],{"class":5813},[5237,9152,5817],{"class":5623},[5237,9154,5956],{"class":5768},[5237,9156,6124],{"class":5775},[5237,9158,5199],{"class":5623},[5237,9160,5963],{"class":5522},[5237,9162,8167],{"class":5623},[5237,9164,9141],{"class":6682},[5237,9166,9167],{"class":5623},">(",[5237,9169,8675],{"class":5525},[5237,9171,9172],{"class":5239,"line":5295},[5237,9173,9174],{"class":5525},"    SELECT id, email, created_at, metadata\n",[5237,9176,9177],{"class":5239,"line":5300},[5237,9178,9179],{"class":5525},"    FROM users\n",[5237,9181,9182],{"class":5239,"line":5306},[5237,9183,9184],{"class":5525},"    WHERE metadata->>'role' = 'admin'\n",[5237,9186,9187,9189],{"class":5239,"line":5312},[5237,9188,8695],{"class":5525},[5237,9190,5931],{"class":5623},[5237,9192,9193],{"class":5239,"line":5318},[5237,9194,6751],{"class":5623},[5237,9196,9197,9199,9201,9203,9205],{"class":5239,"line":5324},[5237,9198,8571],{"class":5768},[5237,9200,5951],{"class":5775},[5237,9202,5199],{"class":5623},[5237,9204,5994],{"class":5775},[5237,9206,5787],{"class":5623},[5237,9208,9209],{"class":5239,"line":5330},[5237,9210,5724],{"class":5623},[5237,9212,9213],{"class":5239,"line":5336},[5237,9214,5268],{"emptyLinePlaceholder":5267},[5237,9216,9217,9219,9222,9224,9226,9228],{"class":5239,"line":5342},[5237,9218,6121],{"class":5538},[5237,9220,9221],{"class":5813}," admins",[5237,9223,5817],{"class":5623},[5237,9225,5956],{"class":5768},[5237,9227,9131],{"class":5522},[5237,9229,6055],{"class":5623},[5237,9231,9232,9235,9237,9239,9241,9244,9246],{"class":5239,"line":5347},[5237,9233,9234],{"class":5775},"admins",[5237,9236,5199],{"class":5623},[5237,9238,8069],{"class":5522},[5237,9240,5918],{"class":5623},[5237,9242,9243],{"class":5775},"admin",[5237,9245,8076],{"class":5538},[5237,9247,5943],{"class":5623},[5237,9249,9250,9252,9254,9256,9258,9261,9263,9265,9267,9269,9271,9274,9276,9278,9280,9283,9285,9287,9289,9291],{"class":5239,"line":5353},[5237,9251,5910],{"class":5775},[5237,9253,5199],{"class":5623},[5237,9255,5915],{"class":5522},[5237,9257,5918],{"class":5623},[5237,9259,9260],{"class":5525},"`Admin: ",[5237,9262,8094],{"class":5538},[5237,9264,9243],{"class":5775},[5237,9266,5199],{"class":8099},[5237,9268,8117],{"class":5775},[5237,9270,8105],{"class":5538},[5237,9272,9273],{"class":5525},", Verified: ",[5237,9275,8094],{"class":5538},[5237,9277,9243],{"class":5775},[5237,9279,5199],{"class":8099},[5237,9281,9282],{"class":5775},"metadata",[5237,9284,5199],{"class":8099},[5237,9286,9106],{"class":5775},[5237,9288,8105],{"class":5538},[5237,9290,8122],{"class":5525},[5237,9292,5931],{"class":5623},[5237,9294,9295],{"class":5239,"line":5359},[5237,9296,6222],{"class":5623},[5216,9298,9299,9300,6336,9302,9305,9306,9309,9310,9313],{},"PostgreSQL підтримує нативні JSON-типи (",[5110,9301,5616],{},[5110,9303,9304],{},"jsonb","). Оператор ",[5110,9307,9308],{},"->"," дозволяє отримати значення за ключем, а ",[5110,9311,9312],{},"->>"," повертає текстове представлення. У TypeScript ви можете типізувати структуру JSON-поля через інтерфейс.",[5162,9315],{},[5165,9317,9319],{"id":9318},"connection-pooling-глибинний-розбір","Connection Pooling: глибинний розбір",[5405,9321,9323],{"id":9322},"що-таке-connection-pool-і-навіщо-він-потрібен","Що таке connection pool і навіщо він потрібен",[5170,9325,9326],{},"Встановлення нового TCP-з'єднання з базою даних — це дорога операція, яка включає:",[5174,9328,9329,9332,9338],{},[5095,9330,9331],{},"Відкриття сокета та TCP handshake (3 пакети).",[5095,9333,9334,9335,5105],{},"Автентифікацію користувача (обчислення хешу пароля, перевірка у ",[5110,9336,9337],{},"pg_authid",[5095,9339,9340],{},"Ініціалізацію сесії (завантаження налаштувань, перевірка привілеїв).",[5170,9342,9343,9344,9347],{},"У високонавантаженому веб-застосунку, де обробляється 1000 запитів на секунду, відкриття нового з'єднання для кожного запиту призвело б до колосальних накладних витрат. Саме тому використовується ",[5132,9345,9346],{},"пул з'єднань"," — механізм багаторазового використання вже відкритих сокетів.",[5170,9349,9350],{},[5132,9351,9352],{},"Принцип роботи:",[5174,9354,9355,9364,9369,9378],{},[5095,9356,9357,9358,9360,9361,5105],{},"При ініціалізації ",[5110,9359,5735],{}," відкривається мінімальна кількість з'єднань (параметр ",[5110,9362,9363],{},"min",[5095,9365,9366,9367,5105],{},"Коли надходить запит, пул надає вільне з'єднання. Якщо всі зайняті, відкривається нове (до досягнення ",[5110,9368,6901],{},[5095,9370,9371,9372,5113,9375,5105],{},"Після завершення запиту з'єднання не закривається, а повертається у пул та переходить у стан ",[5110,9373,9374],{},"idle",[5102,9376,9377],{},"очікування",[5095,9379,9380,9381,9383],{},"Якщо з'єднання залишається неактивним протягом ",[5110,9382,6909],{},", воно закривається для економії ресурсів.",[5224,9385,9387],{"alt":9386},"Життєвий цикл з'єднання у пулі",[5228,9388,9390],{"className":5230,"code":9389,"language":5232,"meta":5233,"style":5233},"@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\n[*] --> Closed : Pool створено\nClosed --> Connecting : pool.connect()\nConnecting --> Idle : Успішна автентифікація\nIdle --> Active : Запит query()\nActive --> Idle : Запит завершено, client.release()\nIdle --> Idle : Очікування нових запитів\nIdle --> Closed : Таймаут (idleTimeout)\nActive --> Closed : Помилка з'єднання (network error)\nClosed --> [*]\n\nnote right of Idle #FEF3C7\n  З'єднання залишається відкритим\n  та готовим до миттєвого використання\nend note\n\n@enduml\n",[5110,9391,9392,9396,9400,9404,9408,9413,9418,9423,9428,9433,9438,9443,9448,9453,9457,9462,9467,9472,9476,9480],{"__ignoreMap":5233},[5237,9393,9394],{"class":5239,"line":5240},[5237,9395,5243],{},[5237,9397,9398],{"class":5239,"line":5246},[5237,9399,5249],{},[5237,9401,9402],{"class":5239,"line":5252},[5237,9403,5255],{},[5237,9405,9406],{"class":5239,"line":5258},[5237,9407,5268],{"emptyLinePlaceholder":5267},[5237,9409,9410],{"class":5239,"line":5264},[5237,9411,9412],{},"[*] --> Closed : Pool створено\n",[5237,9414,9415],{"class":5239,"line":5271},[5237,9416,9417],{},"Closed --> Connecting : pool.connect()\n",[5237,9419,9420],{"class":5239,"line":5277},[5237,9421,9422],{},"Connecting --> Idle : Успішна автентифікація\n",[5237,9424,9425],{"class":5239,"line":5283},[5237,9426,9427],{},"Idle --> Active : Запит query()\n",[5237,9429,9430],{"class":5239,"line":5289},[5237,9431,9432],{},"Active --> Idle : Запит завершено, client.release()\n",[5237,9434,9435],{"class":5239,"line":5295},[5237,9436,9437],{},"Idle --> Idle : Очікування нових запитів\n",[5237,9439,9440],{"class":5239,"line":5300},[5237,9441,9442],{},"Idle --> Closed : Таймаут (idleTimeout)\n",[5237,9444,9445],{"class":5239,"line":5306},[5237,9446,9447],{},"Active --> Closed : Помилка з'єднання (network error)\n",[5237,9449,9450],{"class":5239,"line":5312},[5237,9451,9452],{},"Closed --> [*]\n",[5237,9454,9455],{"class":5239,"line":5318},[5237,9456,5268],{"emptyLinePlaceholder":5267},[5237,9458,9459],{"class":5239,"line":5324},[5237,9460,9461],{},"note right of Idle #FEF3C7\n",[5237,9463,9464],{"class":5239,"line":5330},[5237,9465,9466],{},"  З'єднання залишається відкритим\n",[5237,9468,9469],{"class":5239,"line":5336},[5237,9470,9471],{},"  та готовим до миттєвого використання\n",[5237,9473,9474],{"class":5239,"line":5342},[5237,9475,5339],{},[5237,9477,9478],{"class":5239,"line":5347},[5237,9479,5268],{"emptyLinePlaceholder":5267},[5237,9481,9482],{"class":5239,"line":5353},[5237,9483,5397],{},[5405,9485,9487],{"id":9486},"конфігурація-пулу-зєднань","Конфігурація пулу з'єднань",[5170,9489,9490],{},"Правильна конфігурація пулу критично впливає на продуктивність та стабільність застосунку. Розглянемо ключові параметри та їх вплив:",[5228,9492,9495],{"className":5758,"code":9493,"filename":9494,"language":5761,"meta":5233,"style":5233},"import { Pool, PoolConfig } from 'pg';\n\nconst config: PoolConfig = {\n  \u002F\u002F Базові параметри\n  connectionString: process.env.DATABASE_URL,\n  \n  \u002F\u002F === Розмір пулу ===\n  min: 5,  \u002F\u002F Мінімум підтримуваних з'єднань (завжди відкриті)\n  max: 20, \u002F\u002F Максимум одночасних з'єднань\n  \n  \u002F\u002F === Таймаути ===\n  connectionTimeoutMillis: 5000,  \u002F\u002F Макс. час очікування вільного з'єднання\n  idleTimeoutMillis: 30000,       \u002F\u002F Закривати idle з'єднання через 30 сек\n  \n  \u002F\u002F === Обробка помилок ===\n  \u002F\u002F Функція, що викликається при помилці на idle-з'єднанні\n  on: {\n    error: (err, client) => {\n      console.error('Несподівана помилка на idle-з\\'єднанні:', err.message);\n      \u002F\u002F Пул автоматично видалить проблемне з'єднання\n    },\n  },\n  \n  \u002F\u002F === Розширені налаштування ===\n  application_name: 'myapp_api', \u002F\u002F Ім'я застосунку (видно у pg_stat_activity)\n  statement_timeout: 10000,       \u002F\u002F Скасувати запит, якщо виконується > 10 сек\n  query_timeout: 5000,            \u002F\u002F Таймаут для client.query()\n};\n\nconst pool = new Pool(config);\n","pool-config-advanced.ts",[5110,9496,9497,9517,9521,9533,9538,9554,9558,9563,9575,9586,9590,9595,9607,9619,9623,9628,9633,9640,9665,9693,9698,9703,9707,9711,9716,9729,9742,9754,9758,9762],{"__ignoreMap":5233},[5237,9498,9499,9501,9503,9505,9507,9509,9511,9513,9515],{"class":5239,"line":5240},[5237,9500,5769],{"class":5768},[5237,9502,5772],{"class":5623},[5237,9504,5735],{"class":5775},[5237,9506,5473],{"class":5623},[5237,9508,6658],{"class":5775},[5237,9510,5778],{"class":5623},[5237,9512,5781],{"class":5768},[5237,9514,5784],{"class":5525},[5237,9516,5787],{"class":5623},[5237,9518,9519],{"class":5239,"line":5246},[5237,9520,5268],{"emptyLinePlaceholder":5267},[5237,9522,9523,9525,9527,9529,9531],{"class":5239,"line":5252},[5237,9524,6121],{"class":5538},[5237,9526,6677],{"class":5813},[5237,9528,5469],{"class":5623},[5237,9530,6658],{"class":6682},[5237,9532,6685],{"class":5623},[5237,9534,9535],{"class":5239,"line":5258},[5237,9536,9537],{"class":5904},"  \u002F\u002F Базові параметри\n",[5237,9539,9540,9542,9544,9546,9548,9550,9552],{"class":5239,"line":5264},[5237,9541,6571],{"class":5775},[5237,9543,6574],{"class":5775},[5237,9545,5199],{"class":5623},[5237,9547,6579],{"class":5775},[5237,9549,5199],{"class":5623},[5237,9551,6584],{"class":5813},[5237,9553,5646],{"class":5623},[5237,9555,9556],{"class":5239,"line":5271},[5237,9557,6751],{"class":5623},[5237,9559,9560],{"class":5239,"line":5277},[5237,9561,9562],{"class":5904},"  \u002F\u002F === Розмір пулу ===\n",[5237,9564,9565,9567,9569,9572],{"class":5239,"line":5283},[5237,9566,6773],{"class":5775},[5237,9568,6776],{"class":5844},[5237,9570,9571],{"class":5623},",  ",[5237,9573,9574],{"class":5904},"\u002F\u002F Мінімум підтримуваних з'єднань (завжди відкриті)\n",[5237,9576,9577,9579,9581,9583],{"class":5239,"line":5289},[5237,9578,6183],{"class":5775},[5237,9580,6186],{"class":5844},[5237,9582,5473],{"class":5623},[5237,9584,9585],{"class":5904},"\u002F\u002F Максимум одночасних з'єднань\n",[5237,9587,9588],{"class":5239,"line":5295},[5237,9589,6751],{"class":5623},[5237,9591,9592],{"class":5239,"line":5300},[5237,9593,9594],{"class":5904},"  \u002F\u002F === Таймаути ===\n",[5237,9596,9597,9599,9602,9604],{"class":5239,"line":5306},[5237,9598,6209],{"class":5775},[5237,9600,9601],{"class":5844}," 5000",[5237,9603,9571],{"class":5623},[5237,9605,9606],{"class":5904},"\u002F\u002F Макс. час очікування вільного з'єднання\n",[5237,9608,9609,9611,9613,9616],{"class":5239,"line":5312},[5237,9610,6196],{"class":5775},[5237,9612,6199],{"class":5844},[5237,9614,9615],{"class":5623},",       ",[5237,9617,9618],{"class":5904},"\u002F\u002F Закривати idle з'єднання через 30 сек\n",[5237,9620,9621],{"class":5239,"line":5318},[5237,9622,6751],{"class":5623},[5237,9624,9625],{"class":5239,"line":5324},[5237,9626,9627],{"class":5904},"  \u002F\u002F === Обробка помилок ===\n",[5237,9629,9630],{"class":5239,"line":5330},[5237,9631,9632],{"class":5904},"  \u002F\u002F Функція, що викликається при помилці на idle-з'єднанні\n",[5237,9634,9635,9638],{"class":5239,"line":5336},[5237,9636,9637],{"class":5775},"  on:",[5237,9639,5943],{"class":5623},[5237,9641,9642,9645,9647,9649,9652,9654,9657,9660,9663],{"class":5239,"line":5342},[5237,9643,9644],{"class":5522},"    error",[5237,9646,8151],{"class":5775},[5237,9648,5113],{"class":5623},[5237,9650,9651],{"class":5775},"err",[5237,9653,5473],{"class":5623},[5237,9655,9656],{"class":5775},"client",[5237,9658,9659],{"class":5623},") ",[5237,9661,9662],{"class":5538},"=>",[5237,9664,5943],{"class":5623},[5237,9666,9667,9669,9671,9673,9675,9678,9680,9683,9685,9687,9689,9691],{"class":5239,"line":5347},[5237,9668,7521],{"class":5775},[5237,9670,5199],{"class":5623},[5237,9672,7496],{"class":5522},[5237,9674,5918],{"class":5623},[5237,9676,9677],{"class":5525},"'Несподівана помилка на idle-з",[5237,9679,5925],{"class":5924},[5237,9681,9682],{"class":5525},"єднанні:'",[5237,9684,5473],{"class":5623},[5237,9686,9651],{"class":5775},[5237,9688,5199],{"class":5623},[5237,9690,7539],{"class":5775},[5237,9692,5931],{"class":5623},[5237,9694,9695],{"class":5239,"line":5353},[5237,9696,9697],{"class":5904},"      \u002F\u002F Пул автоматично видалить проблемне з'єднання\n",[5237,9699,9700],{"class":5239,"line":5359},[5237,9701,9702],{"class":5623},"    },\n",[5237,9704,9705],{"class":5239,"line":5365},[5237,9706,6836],{"class":5623},[5237,9708,9709],{"class":5239,"line":5371},[5237,9710,6751],{"class":5623},[5237,9712,9713],{"class":5239,"line":5377},[5237,9714,9715],{"class":5904},"  \u002F\u002F === Розширені налаштування ===\n",[5237,9717,9718,9721,9724,9726],{"class":5239,"line":5383},[5237,9719,9720],{"class":5775},"  application_name:",[5237,9722,9723],{"class":5525}," 'myapp_api'",[5237,9725,5473],{"class":5623},[5237,9727,9728],{"class":5904},"\u002F\u002F Ім'я застосунку (видно у pg_stat_activity)\n",[5237,9730,9731,9734,9737,9739],{"class":5239,"line":5389},[5237,9732,9733],{"class":5775},"  statement_timeout:",[5237,9735,9736],{"class":5844}," 10000",[5237,9738,9615],{"class":5623},[5237,9740,9741],{"class":5904},"\u002F\u002F Скасувати запит, якщо виконується > 10 сек\n",[5237,9743,9744,9747,9749,9751],{"class":5239,"line":5394},[5237,9745,9746],{"class":5775},"  query_timeout:",[5237,9748,9601],{"class":5844},[5237,9750,6719],{"class":5623},[5237,9752,9753],{"class":5904},"\u002F\u002F Таймаут для client.query()\n",[5237,9755,9756],{"class":5239,"line":7683},[5237,9757,6841],{"class":5623},[5237,9759,9760],{"class":5239,"line":7689},[5237,9761,5268],{"emptyLinePlaceholder":5267},[5237,9763,9764,9766,9768,9770,9772,9774,9776,9779],{"class":5239,"line":7695},[5237,9765,6121],{"class":5538},[5237,9767,6124],{"class":5813},[5237,9769,5817],{"class":5623},[5237,9771,5820],{"class":5538},[5237,9773,6131],{"class":5522},[5237,9775,5918],{"class":5623},[5237,9777,9778],{"class":5775},"config",[5237,9780,5931],{"class":5623},[5170,9782,9783],{},[5132,9784,9785,9786,9789],{},"Вибір розміру пулу: формула Хікарі (",[5102,9787,9788],{},"HikariCP formula","):",[5170,9791,9792],{},"Існує емпірична формула для розрахунку оптимального розміру пулу:",[9794,9795,9796],"math-formula",{},"\\text{pool size} = \\frac{\\text{available cores} \\times 2}{1}  + \\text{effective spindle count}",[5170,9798,9799],{},"Для типового веб-сервера з 4 ядрами CPU та SSD-диском (ефективно необмежена кількість «шпинделів»):",[9794,9801,9802],{},"\\text{pool size} = 4 \\times 2 + 1 = 9",[5170,9804,9805],{},"Проте у реальності розмір залежить від природи запитів:",[5092,9807,9808,9818,9827],{},[5095,9809,9810,9811,9814,9815,5199],{},"Якщо більшість запитів — прості SELECT на індексах (",[5102,9812,9813],{},"read-heavy workload","): ",[5110,9816,9817],{},"max = 10–20",[5095,9819,9820,9821,9814,9824,5199],{},"Якщо багато складних JOIN або агрегацій (",[5102,9822,9823],{},"CPU-bound",[5110,9825,9826],{},"max = 5–10",[5095,9828,9829,9830,9833,9834,5105],{},"Якщо запити блокуються на записі (",[5102,9831,9832],{},"write-heavy with locks","): збільшуйте пул обережно, щоб уникнути конкуренції за блокування (",[5102,9835,9836],{},"lock contention",[5488,9838,9839,9846,9878],{},[5170,9840,9841,9842,9845],{},"Використовуйте моніторинг ",[5110,9843,9844],{},"pg_stat_activity"," для аналізу кількості активних з'єднань:",[5228,9847,9849],{"className":8356,"code":9848,"language":8358,"meta":5233,"style":5233},"SELECT count(*), state FROM pg_stat_activity GROUP BY state;\n",[5110,9850,9851],{"__ignoreMap":5233},[5237,9852,9853,9855,9858,9861,9864,9867,9870,9873,9876],{"class":5239,"line":5240},[5237,9854,8365],{"class":5538},[5237,9856,9857],{"class":5522}," count",[5237,9859,9860],{"class":5623},"(*), ",[5237,9862,9863],{"class":5538},"state",[5237,9865,9866],{"class":5538}," FROM",[5237,9868,9869],{"class":5623}," pg_stat_activity ",[5237,9871,9872],{"class":5538},"GROUP BY",[5237,9874,9875],{"class":5538}," state",[5237,9877,5787],{"class":5623},[5170,9879,9880,9881,9884],{},"Якщо ви бачите багато з'єднань у стані ",[5110,9882,9883],{},"idle in transaction",", це сигнал про витік ресурсів — десь забули завершити транзакцію.",[5405,9886,9888],{"id":9887},"управління-життєвим-циклом-зєднань","Управління життєвим циклом з'єднань",[5170,9890,9891,9892,9895,9896,9899],{},"Для явного керування з'єднанням використовуйте метод ",[5110,9893,9894],{},"pool.connect()",", який повертає ",[5110,9897,9898],{},"PoolClient"," — обгортку над фізичним з'єднанням.",[5228,9901,9904],{"className":5758,"code":9902,"filename":9903,"language":5761,"meta":5233,"style":5233},"import { Pool, PoolClient } from 'pg';\n\nconst pool = new Pool({ connectionString: process.env.DATABASE_URL });\n\nasync function performComplexOperation() {\n  const client: PoolClient = await pool.connect();\n  \n  try {\n    \u002F\u002F Тепер ми володіємо ексклюзивним з'єднанням\n    await client.query('BEGIN'); \u002F\u002F Початок транзакції\n    \n    const result1 = await client.query(\n      'UPDATE accounts SET balance = balance - $1 WHERE id = $2',\n      [100, 1]\n    );\n    \n    const result2 = await client.query(\n      'UPDATE accounts SET balance = balance + $1 WHERE id = $2',\n      [100, 2]\n    );\n    \n    await client.query('COMMIT'); \u002F\u002F Фіксація змін\n    console.log('Транзакція успішно завершена');\n    \n  } catch (error) {\n    await client.query('ROLLBACK'); \u002F\u002F Відкат при помилці\n    console.error('Помилка транзакції, виконано rollback:', error);\n    throw error;\n    \n  } finally {\n    client.release(); \u002F\u002F КРИТИЧНО: повертаємо з'єднання у пул!\n  }\n}\n\nperformComplexOperation();\n","manual-client.ts",[5110,9905,9906,9926,9930,9958,9962,9973,9995,9999,10005,10010,10030,10034,10054,10061,10076,10081,10085,10104,10111,10124,10128,10132,10152,10167,10171,10183,10203,10222,10232,10236,10244,10257,10261,10265,10269],{"__ignoreMap":5233},[5237,9907,9908,9910,9912,9914,9916,9918,9920,9922,9924],{"class":5239,"line":5240},[5237,9909,5769],{"class":5768},[5237,9911,5772],{"class":5623},[5237,9913,5735],{"class":5775},[5237,9915,5473],{"class":5623},[5237,9917,9898],{"class":5775},[5237,9919,5778],{"class":5623},[5237,9921,5781],{"class":5768},[5237,9923,5784],{"class":5525},[5237,9925,5787],{"class":5623},[5237,9927,9928],{"class":5239,"line":5246},[5237,9929,5268],{"emptyLinePlaceholder":5267},[5237,9931,9932,9934,9936,9938,9940,9942,9944,9946,9948,9950,9952,9954,9956],{"class":5239,"line":5252},[5237,9933,6121],{"class":5538},[5237,9935,6124],{"class":5813},[5237,9937,5817],{"class":5623},[5237,9939,5820],{"class":5538},[5237,9941,6131],{"class":5522},[5237,9943,7970],{"class":5623},[5237,9945,7973],{"class":5775},[5237,9947,6574],{"class":5775},[5237,9949,5199],{"class":5623},[5237,9951,6579],{"class":5775},[5237,9953,5199],{"class":5623},[5237,9955,6584],{"class":5813},[5237,9957,7986],{"class":5623},[5237,9959,9960],{"class":5239,"line":5258},[5237,9961,5268],{"emptyLinePlaceholder":5267},[5237,9963,9964,9966,9968,9971],{"class":5239,"line":5264},[5237,9965,5796],{"class":5538},[5237,9967,5799],{"class":5538},[5237,9969,9970],{"class":5522}," performComplexOperation",[5237,9972,5805],{"class":5623},[5237,9974,9975,9977,9979,9981,9983,9985,9987,9989,9991,9993],{"class":5239,"line":5271},[5237,9976,5810],{"class":5538},[5237,9978,5814],{"class":5813},[5237,9980,5469],{"class":5623},[5237,9982,9898],{"class":6682},[5237,9984,5817],{"class":5623},[5237,9986,5956],{"class":5768},[5237,9988,6124],{"class":5775},[5237,9990,5199],{"class":5623},[5237,9992,5898],{"class":5522},[5237,9994,6055],{"class":5623},[5237,9996,9997],{"class":5239,"line":5277},[5237,9998,6751],{"class":5623},[5237,10000,10001,10003],{"class":5239,"line":5283},[5237,10002,5940],{"class":5768},[5237,10004,5943],{"class":5623},[5237,10006,10007],{"class":5239,"line":5289},[5237,10008,10009],{"class":5904},"    \u002F\u002F Тепер ми володіємо ексклюзивним з'єднанням\n",[5237,10011,10012,10014,10016,10018,10020,10022,10025,10027],{"class":5239,"line":5295},[5237,10013,6023],{"class":5768},[5237,10015,5814],{"class":5775},[5237,10017,5199],{"class":5623},[5237,10019,5963],{"class":5522},[5237,10021,5918],{"class":5623},[5237,10023,10024],{"class":5525},"'BEGIN'",[5237,10026,7711],{"class":5623},[5237,10028,10029],{"class":5904},"\u002F\u002F Початок транзакції\n",[5237,10031,10032],{"class":5239,"line":5300},[5237,10033,7378],{"class":5623},[5237,10035,10036,10038,10041,10043,10045,10047,10049,10051],{"class":5239,"line":5306},[5237,10037,5948],{"class":5538},[5237,10039,10040],{"class":5813}," result1",[5237,10042,5817],{"class":5623},[5237,10044,5956],{"class":5768},[5237,10046,5814],{"class":5775},[5237,10048,5199],{"class":5623},[5237,10050,5963],{"class":5522},[5237,10052,10053],{"class":5623},"(\n",[5237,10055,10056,10059],{"class":5239,"line":5312},[5237,10057,10058],{"class":5525},"      'UPDATE accounts SET balance = balance - $1 WHERE id = $2'",[5237,10060,5646],{"class":5623},[5237,10062,10063,10066,10069,10071,10073],{"class":5239,"line":5318},[5237,10064,10065],{"class":5623},"      [",[5237,10067,10068],{"class":5844},"100",[5237,10070,5473],{"class":5623},[5237,10072,7708],{"class":5844},[5237,10074,10075],{"class":5623},"]\n",[5237,10077,10078],{"class":5239,"line":5324},[5237,10079,10080],{"class":5623},"    );\n",[5237,10082,10083],{"class":5239,"line":5330},[5237,10084,7378],{"class":5623},[5237,10086,10087,10089,10092,10094,10096,10098,10100,10102],{"class":5239,"line":5336},[5237,10088,5948],{"class":5538},[5237,10090,10091],{"class":5813}," result2",[5237,10093,5817],{"class":5623},[5237,10095,5956],{"class":5768},[5237,10097,5814],{"class":5775},[5237,10099,5199],{"class":5623},[5237,10101,5963],{"class":5522},[5237,10103,10053],{"class":5623},[5237,10105,10106,10109],{"class":5239,"line":5342},[5237,10107,10108],{"class":5525},"      'UPDATE accounts SET balance = balance + $1 WHERE id = $2'",[5237,10110,5646],{"class":5623},[5237,10112,10113,10115,10117,10119,10122],{"class":5239,"line":5347},[5237,10114,10065],{"class":5623},[5237,10116,10068],{"class":5844},[5237,10118,5473],{"class":5623},[5237,10120,10121],{"class":5844},"2",[5237,10123,10075],{"class":5623},[5237,10125,10126],{"class":5239,"line":5353},[5237,10127,10080],{"class":5623},[5237,10129,10130],{"class":5239,"line":5359},[5237,10131,7378],{"class":5623},[5237,10133,10134,10136,10138,10140,10142,10144,10147,10149],{"class":5239,"line":5365},[5237,10135,6023],{"class":5768},[5237,10137,5814],{"class":5775},[5237,10139,5199],{"class":5623},[5237,10141,5963],{"class":5522},[5237,10143,5918],{"class":5623},[5237,10145,10146],{"class":5525},"'COMMIT'",[5237,10148,7711],{"class":5623},[5237,10150,10151],{"class":5904},"\u002F\u002F Фіксація змін\n",[5237,10153,10154,10156,10158,10160,10162,10165],{"class":5239,"line":5371},[5237,10155,5975],{"class":5775},[5237,10157,5199],{"class":5623},[5237,10159,5915],{"class":5522},[5237,10161,5918],{"class":5623},[5237,10163,10164],{"class":5525},"'Транзакція успішно завершена'",[5237,10166,5931],{"class":5623},[5237,10168,10169],{"class":5239,"line":5377},[5237,10170,7378],{"class":5623},[5237,10172,10173,10175,10177,10179,10181],{"class":5239,"line":5383},[5237,10174,6013],{"class":5623},[5237,10176,7491],{"class":5768},[5237,10178,5113],{"class":5623},[5237,10180,7496],{"class":5775},[5237,10182,7499],{"class":5623},[5237,10184,10185,10187,10189,10191,10193,10195,10198,10200],{"class":5239,"line":5389},[5237,10186,6023],{"class":5768},[5237,10188,5814],{"class":5775},[5237,10190,5199],{"class":5623},[5237,10192,5963],{"class":5522},[5237,10194,5918],{"class":5623},[5237,10196,10197],{"class":5525},"'ROLLBACK'",[5237,10199,7711],{"class":5623},[5237,10201,10202],{"class":5904},"\u002F\u002F Відкат при помилці\n",[5237,10204,10205,10207,10209,10211,10213,10216,10218,10220],{"class":5239,"line":5394},[5237,10206,5975],{"class":5775},[5237,10208,5199],{"class":5623},[5237,10210,7496],{"class":5522},[5237,10212,5918],{"class":5623},[5237,10214,10215],{"class":5525},"'Помилка транзакції, виконано rollback:'",[5237,10217,5473],{"class":5623},[5237,10219,7496],{"class":5775},[5237,10221,5931],{"class":5623},[5237,10223,10224,10227,10230],{"class":5239,"line":7683},[5237,10225,10226],{"class":5768},"    throw",[5237,10228,10229],{"class":5775}," error",[5237,10231,5787],{"class":5623},[5237,10233,10234],{"class":5239,"line":7689},[5237,10235,7378],{"class":5623},[5237,10237,10238,10240,10242],{"class":5239,"line":7695},[5237,10239,6013],{"class":5623},[5237,10241,6016],{"class":5768},[5237,10243,5943],{"class":5623},[5237,10245,10246,10248,10250,10252,10254],{"class":5239,"line":7717},[5237,10247,7474],{"class":5775},[5237,10249,5199],{"class":5623},[5237,10251,7479],{"class":5522},[5237,10253,5901],{"class":5623},[5237,10255,10256],{"class":5904},"\u002F\u002F КРИТИЧНО: повертаємо з'єднання у пул!\n",[5237,10258,10259],{"class":5239,"line":7722},[5237,10260,5719],{"class":5623},[5237,10262,10263],{"class":5239,"line":7727},[5237,10264,5724],{"class":5623},[5237,10266,10267],{"class":5239,"line":7732},[5237,10268,5268],{"emptyLinePlaceholder":5267},[5237,10270,10272,10275],{"class":5239,"line":10271},35,[5237,10273,10274],{"class":5522},"performComplexOperation",[5237,10276,6055],{"class":5623},[6057,10278,10279,10280,10282,10283,10285,10286,5199],{},"Якщо ви забудете викликати ",[5110,10281,6339],{}," у блоці ",[5110,10284,6016],{},", з'єднання назавжди залишиться «захопленим», і через деякий час пул вичерпається. Це призведе до помилки ",[5110,10287,10288],{},"TimeoutError: ResourceRequest timed out",[5405,10290,10292],{"id":10291},"best-practices-для-production","Best practices для production",[5170,10294,10295,10298],{},[5132,10296,10297],{},"1. Graceful shutdown:"," При зупинці застосунку коректно закривайте пул, щоб уникнути обриву активних запитів.",[5228,10300,10303],{"className":5758,"code":10301,"filename":10302,"language":5761,"meta":5233,"style":5233},"import { Pool } from 'pg';\n\nconst pool = new Pool({ connectionString: process.env.DATABASE_URL });\n\n\u002F\u002F Обробка сигналів завершення\nprocess.on('SIGTERM', async () => {\n  console.log('Отримано SIGTERM, закриваємо пул з\\'єднань...');\n  await pool.end(); \u002F\u002F Чекає завершення всіх активних запитів\n  console.log('Пул закрито, вихід.');\n  process.exit(0);\n});\n\nprocess.on('SIGINT', async () => {\n  console.log('Отримано SIGINT (Ctrl+C), закриваємо пул...');\n  await pool.end();\n  process.exit(0);\n});\n","graceful-shutdown.ts",[5110,10304,10305,10321,10325,10353,10357,10362,10388,10408,10423,10438,10453,10457,10461,10484,10499,10511,10525],{"__ignoreMap":5233},[5237,10306,10307,10309,10311,10313,10315,10317,10319],{"class":5239,"line":5240},[5237,10308,5769],{"class":5768},[5237,10310,5772],{"class":5623},[5237,10312,5735],{"class":5775},[5237,10314,5778],{"class":5623},[5237,10316,5781],{"class":5768},[5237,10318,5784],{"class":5525},[5237,10320,5787],{"class":5623},[5237,10322,10323],{"class":5239,"line":5246},[5237,10324,5268],{"emptyLinePlaceholder":5267},[5237,10326,10327,10329,10331,10333,10335,10337,10339,10341,10343,10345,10347,10349,10351],{"class":5239,"line":5252},[5237,10328,6121],{"class":5538},[5237,10330,6124],{"class":5813},[5237,10332,5817],{"class":5623},[5237,10334,5820],{"class":5538},[5237,10336,6131],{"class":5522},[5237,10338,7970],{"class":5623},[5237,10340,7973],{"class":5775},[5237,10342,6574],{"class":5775},[5237,10344,5199],{"class":5623},[5237,10346,6579],{"class":5775},[5237,10348,5199],{"class":5623},[5237,10350,6584],{"class":5813},[5237,10352,7986],{"class":5623},[5237,10354,10355],{"class":5239,"line":5258},[5237,10356,5268],{"emptyLinePlaceholder":5267},[5237,10358,10359],{"class":5239,"line":5264},[5237,10360,10361],{"class":5904},"\u002F\u002F Обробка сигналів завершення\n",[5237,10363,10364,10367,10369,10372,10374,10377,10379,10381,10384,10386],{"class":5239,"line":5271},[5237,10365,10366],{"class":5775},"process",[5237,10368,5199],{"class":5623},[5237,10370,10371],{"class":5522},"on",[5237,10373,5918],{"class":5623},[5237,10375,10376],{"class":5525},"'SIGTERM'",[5237,10378,5473],{"class":5623},[5237,10380,5796],{"class":5538},[5237,10382,10383],{"class":5623}," () ",[5237,10385,9662],{"class":5538},[5237,10387,5943],{"class":5623},[5237,10389,10390,10392,10394,10396,10398,10401,10403,10406],{"class":5239,"line":5277},[5237,10391,5910],{"class":5775},[5237,10393,5199],{"class":5623},[5237,10395,5915],{"class":5522},[5237,10397,5918],{"class":5623},[5237,10399,10400],{"class":5525},"'Отримано SIGTERM, закриваємо пул з",[5237,10402,5925],{"class":5924},[5237,10404,10405],{"class":5525},"єднань...'",[5237,10407,5931],{"class":5623},[5237,10409,10410,10412,10414,10416,10418,10420],{"class":5239,"line":5283},[5237,10411,5891],{"class":5768},[5237,10413,6124],{"class":5775},[5237,10415,5199],{"class":5623},[5237,10417,6030],{"class":5522},[5237,10419,5901],{"class":5623},[5237,10421,10422],{"class":5904},"\u002F\u002F Чекає завершення всіх активних запитів\n",[5237,10424,10425,10427,10429,10431,10433,10436],{"class":5239,"line":5289},[5237,10426,5910],{"class":5775},[5237,10428,5199],{"class":5623},[5237,10430,5915],{"class":5522},[5237,10432,5918],{"class":5623},[5237,10434,10435],{"class":5525},"'Пул закрито, вихід.'",[5237,10437,5931],{"class":5623},[5237,10439,10440,10443,10445,10447,10449,10451],{"class":5239,"line":5295},[5237,10441,10442],{"class":5775},"  process",[5237,10444,5199],{"class":5623},[5237,10446,7703],{"class":5522},[5237,10448,5918],{"class":5623},[5237,10450,6000],{"class":5844},[5237,10452,5931],{"class":5623},[5237,10454,10455],{"class":5239,"line":5300},[5237,10456,6222],{"class":5623},[5237,10458,10459],{"class":5239,"line":5306},[5237,10460,5268],{"emptyLinePlaceholder":5267},[5237,10462,10463,10465,10467,10469,10471,10474,10476,10478,10480,10482],{"class":5239,"line":5312},[5237,10464,10366],{"class":5775},[5237,10466,5199],{"class":5623},[5237,10468,10371],{"class":5522},[5237,10470,5918],{"class":5623},[5237,10472,10473],{"class":5525},"'SIGINT'",[5237,10475,5473],{"class":5623},[5237,10477,5796],{"class":5538},[5237,10479,10383],{"class":5623},[5237,10481,9662],{"class":5538},[5237,10483,5943],{"class":5623},[5237,10485,10486,10488,10490,10492,10494,10497],{"class":5239,"line":5318},[5237,10487,5910],{"class":5775},[5237,10489,5199],{"class":5623},[5237,10491,5915],{"class":5522},[5237,10493,5918],{"class":5623},[5237,10495,10496],{"class":5525},"'Отримано SIGINT (Ctrl+C), закриваємо пул...'",[5237,10498,5931],{"class":5623},[5237,10500,10501,10503,10505,10507,10509],{"class":5239,"line":5324},[5237,10502,5891],{"class":5768},[5237,10504,6124],{"class":5775},[5237,10506,5199],{"class":5623},[5237,10508,6030],{"class":5522},[5237,10510,6055],{"class":5623},[5237,10512,10513,10515,10517,10519,10521,10523],{"class":5239,"line":5330},[5237,10514,10442],{"class":5775},[5237,10516,5199],{"class":5623},[5237,10518,7703],{"class":5522},[5237,10520,5918],{"class":5623},[5237,10522,6000],{"class":5844},[5237,10524,5931],{"class":5623},[5237,10526,10527],{"class":5239,"line":5336},[5237,10528,6222],{"class":5623},[5170,10530,10531,10534],{},[5132,10532,10533],{},"2. Моніторинг метрик пулу:"," Інтегруйте метрики у систему спостереження (Prometheus, Datadog).",[5228,10536,10539],{"className":5758,"code":10537,"filename":10538,"language":5761,"meta":5233,"style":5233},"function logPoolMetrics(pool: Pool) {\n  setInterval(() => {\n    console.log({\n      totalCount: pool.totalCount,     \u002F\u002F Всього з'єднань у пулі\n      idleCount: pool.idleCount,       \u002F\u002F Вільних (idle)\n      waitingCount: pool.waitingCount, \u002F\u002F Очікують у черзі\n    });\n  }, 10000); \u002F\u002F Кожні 10 секунд\n}\n\nlogPoolMetrics(pool);\n","metrics.ts",[5110,10540,10541,10559,10571,10581,10598,10614,10630,10635,10648,10652,10656],{"__ignoreMap":5233},[5237,10542,10543,10546,10549,10551,10553,10555,10557],{"class":5239,"line":5240},[5237,10544,10545],{"class":5538},"function",[5237,10547,10548],{"class":5522}," logPoolMetrics",[5237,10550,5918],{"class":5623},[5237,10552,7800],{"class":5775},[5237,10554,5469],{"class":5623},[5237,10556,5735],{"class":6682},[5237,10558,7499],{"class":5623},[5237,10560,10561,10564,10567,10569],{"class":5239,"line":5246},[5237,10562,10563],{"class":5522},"  setInterval",[5237,10565,10566],{"class":5623},"(() ",[5237,10568,9662],{"class":5538},[5237,10570,5943],{"class":5623},[5237,10572,10573,10575,10577,10579],{"class":5239,"line":5252},[5237,10574,5975],{"class":5775},[5237,10576,5199],{"class":5623},[5237,10578,5915],{"class":5522},[5237,10580,5826],{"class":5623},[5237,10582,10583,10586,10588,10590,10592,10595],{"class":5239,"line":5258},[5237,10584,10585],{"class":5775},"      totalCount:",[5237,10587,6124],{"class":5775},[5237,10589,5199],{"class":5623},[5237,10591,7805],{"class":5775},[5237,10593,10594],{"class":5623},",     ",[5237,10596,10597],{"class":5904},"\u002F\u002F Всього з'єднань у пулі\n",[5237,10599,10600,10603,10605,10607,10609,10611],{"class":5239,"line":5264},[5237,10601,10602],{"class":5775},"      idleCount:",[5237,10604,6124],{"class":5775},[5237,10606,5199],{"class":5623},[5237,10608,7838],{"class":5775},[5237,10610,9615],{"class":5623},[5237,10612,10613],{"class":5904},"\u002F\u002F Вільних (idle)\n",[5237,10615,10616,10619,10621,10623,10625,10627],{"class":5239,"line":5271},[5237,10617,10618],{"class":5775},"      waitingCount:",[5237,10620,6124],{"class":5775},[5237,10622,5199],{"class":5623},[5237,10624,7885],{"class":5775},[5237,10626,5473],{"class":5623},[5237,10628,10629],{"class":5904},"\u002F\u002F Очікують у черзі\n",[5237,10631,10632],{"class":5239,"line":5277},[5237,10633,10634],{"class":5623},"    });\n",[5237,10636,10637,10640,10643,10645],{"class":5239,"line":5283},[5237,10638,10639],{"class":5623},"  }, ",[5237,10641,10642],{"class":5844},"10000",[5237,10644,7711],{"class":5623},[5237,10646,10647],{"class":5904},"\u002F\u002F Кожні 10 секунд\n",[5237,10649,10650],{"class":5239,"line":5289},[5237,10651,5724],{"class":5623},[5237,10653,10654],{"class":5239,"line":5295},[5237,10655,5268],{"emptyLinePlaceholder":5267},[5237,10657,10658,10661,10663,10665],{"class":5239,"line":5300},[5237,10659,10660],{"class":5522},"logPoolMetrics",[5237,10662,5918],{"class":5623},[5237,10664,7800],{"class":5775},[5237,10666,5931],{"class":5623},[5170,10668,10669,10672,10673,5105],{},[5132,10670,10671],{},"3. Connection health checks:"," Періодично перевіряйте, що з'єднання не «протухли» (",[5102,10674,10675],{},"stale",[5228,10677,10680],{"className":5758,"code":10678,"filename":10679,"language":5761,"meta":5233,"style":5233},"async function checkDatabaseHealth(pool: Pool): Promise\u003Cboolean> {\n  try {\n    const result = await pool.query('SELECT 1 AS alive');\n    return result.rows[0].alive === 1;\n  } catch (error) {\n    console.error('Database health check failed:', error);\n    return false;\n  }\n}\n\n\u002F\u002F Використання у Kubernetes liveness probe\napp.get('\u002Fhealth', async (req, res) => {\n  const isHealthy = await checkDatabaseHealth(pool);\n  res.status(isHealthy ? 200 : 503).json({ database: isHealthy });\n});\n","health-check.ts",[5110,10681,10682,10709,10715,10738,10763,10775,10794,10802,10806,10810,10814,10819,10854,10873,10913],{"__ignoreMap":5233},[5237,10683,10684,10686,10688,10691,10693,10695,10697,10699,10701,10703,10705,10707],{"class":5239,"line":5240},[5237,10685,5796],{"class":5538},[5237,10687,5799],{"class":5538},[5237,10689,10690],{"class":5522}," checkDatabaseHealth",[5237,10692,5918],{"class":5623},[5237,10694,7800],{"class":5775},[5237,10696,5469],{"class":5623},[5237,10698,5735],{"class":6682},[5237,10700,9814],{"class":5623},[5237,10702,7912],{"class":6682},[5237,10704,8167],{"class":5623},[5237,10706,9111],{"class":6682},[5237,10708,8178],{"class":5623},[5237,10710,10711,10713],{"class":5239,"line":5246},[5237,10712,5940],{"class":5768},[5237,10714,5943],{"class":5623},[5237,10716,10717,10719,10721,10723,10725,10727,10729,10731,10733,10736],{"class":5239,"line":5252},[5237,10718,5948],{"class":5538},[5237,10720,5951],{"class":5813},[5237,10722,5817],{"class":5623},[5237,10724,5956],{"class":5768},[5237,10726,6124],{"class":5775},[5237,10728,5199],{"class":5623},[5237,10730,5963],{"class":5522},[5237,10732,5918],{"class":5623},[5237,10734,10735],{"class":5525},"'SELECT 1 AS alive'",[5237,10737,5931],{"class":5623},[5237,10739,10740,10742,10744,10746,10748,10750,10752,10754,10757,10759,10761],{"class":5239,"line":5258},[5237,10741,8553],{"class":5768},[5237,10743,5951],{"class":5775},[5237,10745,5199],{"class":5623},[5237,10747,5994],{"class":5775},[5237,10749,5997],{"class":5623},[5237,10751,6000],{"class":5844},[5237,10753,6003],{"class":5623},[5237,10755,10756],{"class":5775},"alive",[5237,10758,6605],{"class":5623},[5237,10760,7708],{"class":5844},[5237,10762,5787],{"class":5623},[5237,10764,10765,10767,10769,10771,10773],{"class":5239,"line":5264},[5237,10766,6013],{"class":5623},[5237,10768,7491],{"class":5768},[5237,10770,5113],{"class":5623},[5237,10772,7496],{"class":5775},[5237,10774,7499],{"class":5623},[5237,10776,10777,10779,10781,10783,10785,10788,10790,10792],{"class":5239,"line":5271},[5237,10778,5975],{"class":5775},[5237,10780,5199],{"class":5623},[5237,10782,7496],{"class":5522},[5237,10784,5918],{"class":5623},[5237,10786,10787],{"class":5525},"'Database health check failed:'",[5237,10789,5473],{"class":5623},[5237,10791,7496],{"class":5775},[5237,10793,5931],{"class":5623},[5237,10795,10796,10798,10800],{"class":5239,"line":5277},[5237,10797,8553],{"class":5768},[5237,10799,6617],{"class":5538},[5237,10801,5787],{"class":5623},[5237,10803,10804],{"class":5239,"line":5283},[5237,10805,5719],{"class":5623},[5237,10807,10808],{"class":5239,"line":5289},[5237,10809,5724],{"class":5623},[5237,10811,10812],{"class":5239,"line":5295},[5237,10813,5268],{"emptyLinePlaceholder":5267},[5237,10815,10816],{"class":5239,"line":5300},[5237,10817,10818],{"class":5904},"\u002F\u002F Використання у Kubernetes liveness probe\n",[5237,10820,10821,10824,10826,10829,10831,10834,10836,10838,10840,10843,10845,10848,10850,10852],{"class":5239,"line":5306},[5237,10822,10823],{"class":5775},"app",[5237,10825,5199],{"class":5623},[5237,10827,10828],{"class":5522},"get",[5237,10830,5918],{"class":5623},[5237,10832,10833],{"class":5525},"'\u002Fhealth'",[5237,10835,5473],{"class":5623},[5237,10837,5796],{"class":5538},[5237,10839,5113],{"class":5623},[5237,10841,10842],{"class":5775},"req",[5237,10844,5473],{"class":5623},[5237,10846,10847],{"class":5775},"res",[5237,10849,9659],{"class":5623},[5237,10851,9662],{"class":5538},[5237,10853,5943],{"class":5623},[5237,10855,10856,10858,10861,10863,10865,10867,10869,10871],{"class":5239,"line":5312},[5237,10857,5810],{"class":5538},[5237,10859,10860],{"class":5813}," isHealthy",[5237,10862,5817],{"class":5623},[5237,10864,5956],{"class":5768},[5237,10866,10690],{"class":5522},[5237,10868,5918],{"class":5623},[5237,10870,7800],{"class":5775},[5237,10872,5931],{"class":5623},[5237,10874,10875,10878,10880,10883,10885,10888,10891,10894,10897,10900,10902,10904,10906,10909,10911],{"class":5239,"line":5318},[5237,10876,10877],{"class":5775},"  res",[5237,10879,5199],{"class":5623},[5237,10881,10882],{"class":5522},"status",[5237,10884,5918],{"class":5623},[5237,10886,10887],{"class":5775},"isHealthy",[5237,10889,10890],{"class":5623}," ? ",[5237,10892,10893],{"class":5844},"200",[5237,10895,10896],{"class":5623}," : ",[5237,10898,10899],{"class":5844},"503",[5237,10901,5105],{"class":5623},[5237,10903,5616],{"class":5522},[5237,10905,7970],{"class":5623},[5237,10907,10908],{"class":5775},"database:",[5237,10910,10860],{"class":5775},[5237,10912,7986],{"class":5623},[5237,10914,10915],{"class":5239,"line":5324},[5237,10916,6222],{"class":5623},[5162,10918],{},[5165,10920,10922],{"id":10921},"crud-операції-через-raw-sql","CRUD операції через raw SQL",[5170,10924,10925,10926,10929,10930,10933,10934,10937,10938,5105],{},"Тепер, коли ми розібралися з підключенням та пулами, перейдемо до практичних прикладів основних операцій з даними: створення (",[5102,10927,10928],{},"Create","), читання (",[5102,10931,10932],{},"Read","), оновлення (",[5102,10935,10936],{},"Update",") та видалення (",[5102,10939,10940],{},"Delete",[5405,10942,10944],{"id":10943},"create-insert-запити","CREATE: INSERT запити",[5170,10946,10947,10948,10951,10952,5105],{},"Операція ",[5110,10949,10950],{},"INSERT"," додає нові рядки у таблицю. PostgreSQL підтримує два синтаксиси: вставка одного рядка та масова вставка (",[5102,10953,10954],{},"bulk insert",[5170,10956,10957],{},[5132,10958,10959],{},"Вставка одного рядка:",[5228,10961,10964],{"className":5758,"code":10962,"filename":10963,"language":5761,"meta":5233,"style":5233},"interface User {\n  id: number;\n  email: string;\n  name: string;\n  created_at: Date;\n}\n\nasync function createUser(email: string, name: string): Promise\u003CUser> {\n  const query = `\n    INSERT INTO users (email, name, created_at)\n    VALUES ($1, $2, NOW())\n    RETURNING id, email, name, created_at\n  `;\n  \n  const result = await pool.query\u003CUser>(query, [email, name]);\n  return result.rows[0];\n}\n\nconst user = await createUser('alice@example.com', 'Alice Smith');\nconsole.log('Створено:', user);\n","insert-single.ts",[5110,10965,10966,10974,10984,10994,11005,11015,11019,11023,11057,11067,11072,11077,11082,11088,11092,11128,11144,11148,11152,11176],{"__ignoreMap":5233},[5237,10967,10968,10970,10972],{"class":5239,"line":5240},[5237,10969,8161],{"class":5538},[5237,10971,9050],{"class":6682},[5237,10973,5943],{"class":5623},[5237,10975,10976,10978,10980,10982],{"class":5239,"line":5246},[5237,10977,9057],{"class":5775},[5237,10979,5469],{"class":5623},[5237,10981,6868],{"class":6682},[5237,10983,5787],{"class":5623},[5237,10985,10986,10988,10990,10992],{"class":5239,"line":5252},[5237,10987,9068],{"class":5775},[5237,10989,5469],{"class":5623},[5237,10991,6849],{"class":6682},[5237,10993,5787],{"class":5623},[5237,10995,10996,10999,11001,11003],{"class":5239,"line":5258},[5237,10997,10998],{"class":5775},"  name",[5237,11000,5469],{"class":5623},[5237,11002,6849],{"class":6682},[5237,11004,5787],{"class":5623},[5237,11006,11007,11009,11011,11013],{"class":5239,"line":5264},[5237,11008,9079],{"class":5775},[5237,11010,5469],{"class":5623},[5237,11012,9084],{"class":6682},[5237,11014,5787],{"class":5623},[5237,11016,11017],{"class":5239,"line":5271},[5237,11018,5724],{"class":5623},[5237,11020,11021],{"class":5239,"line":5277},[5237,11022,5268],{"emptyLinePlaceholder":5267},[5237,11024,11025,11027,11029,11031,11033,11035,11037,11039,11041,11043,11045,11047,11049,11051,11053,11055],{"class":5239,"line":5283},[5237,11026,5796],{"class":5538},[5237,11028,5799],{"class":5538},[5237,11030,8636],{"class":5522},[5237,11032,5918],{"class":5623},[5237,11034,8117],{"class":5775},[5237,11036,5469],{"class":5623},[5237,11038,6849],{"class":6682},[5237,11040,5473],{"class":5623},[5237,11042,8649],{"class":5775},[5237,11044,5469],{"class":5623},[5237,11046,6849],{"class":6682},[5237,11048,9814],{"class":5623},[5237,11050,7912],{"class":6682},[5237,11052,8167],{"class":5623},[5237,11054,9141],{"class":6682},[5237,11056,8178],{"class":5623},[5237,11058,11059,11061,11063,11065],{"class":5239,"line":5289},[5237,11060,5810],{"class":5538},[5237,11062,8314],{"class":5813},[5237,11064,5817],{"class":5623},[5237,11066,8675],{"class":5525},[5237,11068,11069],{"class":5239,"line":5295},[5237,11070,11071],{"class":5525},"    INSERT INTO users (email, name, created_at)\n",[5237,11073,11074],{"class":5239,"line":5300},[5237,11075,11076],{"class":5525},"    VALUES ($1, $2, NOW())\n",[5237,11078,11079],{"class":5239,"line":5306},[5237,11080,11081],{"class":5525},"    RETURNING id, email, name, created_at\n",[5237,11083,11084,11086],{"class":5239,"line":5312},[5237,11085,8695],{"class":5525},[5237,11087,5787],{"class":5623},[5237,11089,11090],{"class":5239,"line":5318},[5237,11091,6751],{"class":5623},[5237,11093,11094,11096,11098,11100,11102,11104,11106,11108,11110,11112,11114,11116,11119,11121,11123,11125],{"class":5239,"line":5324},[5237,11095,5810],{"class":5538},[5237,11097,5951],{"class":5813},[5237,11099,5817],{"class":5623},[5237,11101,5956],{"class":5768},[5237,11103,6124],{"class":5775},[5237,11105,5199],{"class":5623},[5237,11107,5963],{"class":5522},[5237,11109,8167],{"class":5623},[5237,11111,9141],{"class":6682},[5237,11113,9167],{"class":5623},[5237,11115,5963],{"class":5775},[5237,11117,11118],{"class":5623},", [",[5237,11120,8117],{"class":5775},[5237,11122,5473],{"class":5623},[5237,11124,8649],{"class":5775},[5237,11126,11127],{"class":5623},"]);\n",[5237,11129,11130,11132,11134,11136,11138,11140,11142],{"class":5239,"line":5330},[5237,11131,8571],{"class":5768},[5237,11133,5951],{"class":5775},[5237,11135,5199],{"class":5623},[5237,11137,5994],{"class":5775},[5237,11139,5997],{"class":5623},[5237,11141,6000],{"class":5844},[5237,11143,8479],{"class":5623},[5237,11145,11146],{"class":5239,"line":5336},[5237,11147,5724],{"class":5623},[5237,11149,11150],{"class":5239,"line":5342},[5237,11151,5268],{"emptyLinePlaceholder":5267},[5237,11153,11154,11156,11158,11160,11162,11164,11166,11169,11171,11174],{"class":5239,"line":5347},[5237,11155,6121],{"class":5538},[5237,11157,8603],{"class":5813},[5237,11159,5817],{"class":5623},[5237,11161,5956],{"class":5768},[5237,11163,8636],{"class":5522},[5237,11165,5918],{"class":5623},[5237,11167,11168],{"class":5525},"'alice@example.com'",[5237,11170,5473],{"class":5623},[5237,11172,11173],{"class":5525},"'Alice Smith'",[5237,11175,5931],{"class":5623},[5237,11177,11178,11180,11182,11184,11186,11189,11191,11193],{"class":5239,"line":5353},[5237,11179,7781],{"class":5775},[5237,11181,5199],{"class":5623},[5237,11183,5915],{"class":5522},[5237,11185,5918],{"class":5623},[5237,11187,11188],{"class":5525},"'Створено:'",[5237,11190,5473],{"class":5623},[5237,11192,6878],{"class":5775},[5237,11194,5931],{"class":5623},[5170,11196,11197],{},[5132,11198,11199],{},"Масова вставка (bulk insert):",[5170,11201,11202,11203,11206,11207,11209],{},"Для вставки кількох рядків одним запитом використовуйте синтаксис ",[5110,11204,11205],{},"VALUES (...), (...), (...)",". Це значно швидше, ніж виконання окремих ",[5110,11208,10950],{}," у циклі.",[5228,11211,11214],{"className":5758,"code":11212,"filename":11213,"language":5761,"meta":5233,"style":5233},"async function createMultipleUsers(users: Array\u003C{ email: string; name: string }>) {\n  \u002F\u002F Генеруємо плейсхолдери: ($1, $2), ($3, $4), ($5, $6)\n  const values: any[] = [];\n  const placeholders = users.map((user, index) => {\n    values.push(user.email, user.name);\n    const offset = index * 2;\n    return `($${offset + 1}, $${offset + 2}, NOW())`;\n  }).join(', ');\n  \n  const query = `\n    INSERT INTO users (email, name, created_at)\n    VALUES ${placeholders}\n    RETURNING id, email, name\n  `;\n  \n  const result = await pool.query(query, values);\n  return result.rows;\n}\n\nconst newUsers = await createMultipleUsers([\n  { email: 'bob@example.com', name: 'Bob Johnson' },\n  { email: 'charlie@example.com', name: 'Charlie Brown' },\n]);\n\nconsole.log('Створено користувачів:', newUsers.length);\n","bulk-insert.ts",[5110,11215,11216,11255,11260,11273,11305,11333,11350,11389,11404,11408,11418,11422,11433,11438,11444,11448,11474,11486,11490,11494,11510,11532,11550,11554,11558],{"__ignoreMap":5233},[5237,11217,11218,11220,11222,11225,11227,11230,11232,11235,11238,11240,11242,11244,11246,11248,11250,11252],{"class":5239,"line":5240},[5237,11219,5796],{"class":5538},[5237,11221,5799],{"class":5538},[5237,11223,11224],{"class":5522}," createMultipleUsers",[5237,11226,5918],{"class":5623},[5237,11228,11229],{"class":5775},"users",[5237,11231,5469],{"class":5623},[5237,11233,11234],{"class":6682},"Array",[5237,11236,11237],{"class":5623},"\u003C{ ",[5237,11239,8117],{"class":5775},[5237,11241,5469],{"class":5623},[5237,11243,6849],{"class":6682},[5237,11245,8304],{"class":5623},[5237,11247,8649],{"class":5775},[5237,11249,5469],{"class":5623},[5237,11251,6849],{"class":6682},[5237,11253,11254],{"class":5623}," }>) {\n",[5237,11256,11257],{"class":5239,"line":5246},[5237,11258,11259],{"class":5904},"  \u002F\u002F Генеруємо плейсхолдери: ($1, $2), ($3, $4), ($5, $6)\n",[5237,11261,11262,11264,11266,11268,11270],{"class":5239,"line":5252},[5237,11263,5810],{"class":5538},[5237,11265,8471],{"class":5813},[5237,11267,5469],{"class":5623},[5237,11269,8175],{"class":6682},[5237,11271,11272],{"class":5623},"[] = [];\n",[5237,11274,11275,11277,11280,11282,11284,11286,11289,11292,11294,11296,11299,11301,11303],{"class":5239,"line":5258},[5237,11276,5810],{"class":5538},[5237,11278,11279],{"class":5813}," placeholders",[5237,11281,5817],{"class":5623},[5237,11283,11229],{"class":5775},[5237,11285,5199],{"class":5623},[5237,11287,11288],{"class":5522},"map",[5237,11290,11291],{"class":5623},"((",[5237,11293,6878],{"class":5775},[5237,11295,5473],{"class":5623},[5237,11297,11298],{"class":5775},"index",[5237,11300,9659],{"class":5623},[5237,11302,9662],{"class":5538},[5237,11304,5943],{"class":5623},[5237,11306,11307,11310,11312,11315,11317,11319,11321,11323,11325,11327,11329,11331],{"class":5239,"line":5264},[5237,11308,11309],{"class":5775},"    values",[5237,11311,5199],{"class":5623},[5237,11313,11314],{"class":5522},"push",[5237,11316,5918],{"class":5623},[5237,11318,6878],{"class":5775},[5237,11320,5199],{"class":5623},[5237,11322,8117],{"class":5775},[5237,11324,5473],{"class":5623},[5237,11326,6878],{"class":5775},[5237,11328,5199],{"class":5623},[5237,11330,8649],{"class":5775},[5237,11332,5931],{"class":5623},[5237,11334,11335,11337,11340,11342,11344,11346,11348],{"class":5239,"line":5271},[5237,11336,5948],{"class":5538},[5237,11338,11339],{"class":5813}," offset",[5237,11341,5817],{"class":5623},[5237,11343,11298],{"class":5775},[5237,11345,8368],{"class":5623},[5237,11347,10121],{"class":5844},[5237,11349,5787],{"class":5623},[5237,11351,11352,11354,11357,11359,11362,11365,11368,11370,11373,11375,11377,11379,11382,11384,11387],{"class":5239,"line":5277},[5237,11353,8553],{"class":5768},[5237,11355,11356],{"class":5525}," `($",[5237,11358,8094],{"class":5538},[5237,11360,11361],{"class":5775},"offset",[5237,11363,11364],{"class":5623}," +",[5237,11366,11367],{"class":5844}," 1",[5237,11369,8105],{"class":5538},[5237,11371,11372],{"class":5525},", $",[5237,11374,8094],{"class":5538},[5237,11376,11361],{"class":5775},[5237,11378,11364],{"class":5623},[5237,11380,11381],{"class":5844}," 2",[5237,11383,8105],{"class":5538},[5237,11385,11386],{"class":5525},", NOW())`",[5237,11388,5787],{"class":5623},[5237,11390,11391,11394,11397,11399,11402],{"class":5239,"line":5283},[5237,11392,11393],{"class":5623},"  }).",[5237,11395,11396],{"class":5522},"join",[5237,11398,5918],{"class":5623},[5237,11400,11401],{"class":5525},"', '",[5237,11403,5931],{"class":5623},[5237,11405,11406],{"class":5239,"line":5289},[5237,11407,6751],{"class":5623},[5237,11409,11410,11412,11414,11416],{"class":5239,"line":5295},[5237,11411,5810],{"class":5538},[5237,11413,8314],{"class":5813},[5237,11415,5817],{"class":5623},[5237,11417,8675],{"class":5525},[5237,11419,11420],{"class":5239,"line":5300},[5237,11421,11071],{"class":5525},[5237,11423,11424,11427,11429,11431],{"class":5239,"line":5306},[5237,11425,11426],{"class":5525},"    VALUES ",[5237,11428,8094],{"class":5538},[5237,11430,5153],{"class":5775},[5237,11432,5724],{"class":5538},[5237,11434,11435],{"class":5239,"line":5312},[5237,11436,11437],{"class":5525},"    RETURNING id, email, name\n",[5237,11439,11440,11442],{"class":5239,"line":5318},[5237,11441,8695],{"class":5525},[5237,11443,5787],{"class":5623},[5237,11445,11446],{"class":5239,"line":5324},[5237,11447,6751],{"class":5623},[5237,11449,11450,11452,11454,11456,11458,11460,11462,11464,11466,11468,11470,11472],{"class":5239,"line":5330},[5237,11451,5810],{"class":5538},[5237,11453,5951],{"class":5813},[5237,11455,5817],{"class":5623},[5237,11457,5956],{"class":5768},[5237,11459,6124],{"class":5775},[5237,11461,5199],{"class":5623},[5237,11463,5963],{"class":5522},[5237,11465,5918],{"class":5623},[5237,11467,5963],{"class":5775},[5237,11469,5473],{"class":5623},[5237,11471,8508],{"class":5775},[5237,11473,5931],{"class":5623},[5237,11475,11476,11478,11480,11482,11484],{"class":5239,"line":5336},[5237,11477,8571],{"class":5768},[5237,11479,5951],{"class":5775},[5237,11481,5199],{"class":5623},[5237,11483,5994],{"class":5775},[5237,11485,5787],{"class":5623},[5237,11487,11488],{"class":5239,"line":5342},[5237,11489,5724],{"class":5623},[5237,11491,11492],{"class":5239,"line":5347},[5237,11493,5268],{"emptyLinePlaceholder":5267},[5237,11495,11496,11498,11501,11503,11505,11507],{"class":5239,"line":5353},[5237,11497,6121],{"class":5538},[5237,11499,11500],{"class":5813}," newUsers",[5237,11502,5817],{"class":5623},[5237,11504,5956],{"class":5768},[5237,11506,11224],{"class":5522},[5237,11508,11509],{"class":5623},"([\n",[5237,11511,11512,11515,11518,11521,11523,11526,11529],{"class":5239,"line":5359},[5237,11513,11514],{"class":5623},"  { ",[5237,11516,11517],{"class":5775},"email:",[5237,11519,11520],{"class":5525}," 'bob@example.com'",[5237,11522,5473],{"class":5623},[5237,11524,11525],{"class":5775},"name:",[5237,11527,11528],{"class":5525}," 'Bob Johnson'",[5237,11530,11531],{"class":5623}," },\n",[5237,11533,11534,11536,11538,11541,11543,11545,11548],{"class":5239,"line":5365},[5237,11535,11514],{"class":5623},[5237,11537,11517],{"class":5775},[5237,11539,11540],{"class":5525}," 'charlie@example.com'",[5237,11542,5473],{"class":5623},[5237,11544,11525],{"class":5775},[5237,11546,11547],{"class":5525}," 'Charlie Brown'",[5237,11549,11531],{"class":5623},[5237,11551,11552],{"class":5239,"line":5371},[5237,11553,11127],{"class":5623},[5237,11555,11556],{"class":5239,"line":5377},[5237,11557,5268],{"emptyLinePlaceholder":5267},[5237,11559,11560,11562,11564,11566,11568,11571,11573,11576,11578,11581],{"class":5239,"line":5383},[5237,11561,7781],{"class":5775},[5237,11563,5199],{"class":5623},[5237,11565,5915],{"class":5522},[5237,11567,5918],{"class":5623},[5237,11569,11570],{"class":5525},"'Створено користувачів:'",[5237,11572,5473],{"class":5623},[5237,11574,11575],{"class":5775},"newUsers",[5237,11577,5199],{"class":5623},[5237,11579,11580],{"class":5775},"length",[5237,11582,5931],{"class":5623},[5488,11584,11585,11586,11589,11590,11592,11593,11595,11596,5199],{},"Для дуже великих масових вставок (>1000 рядків) розгляньте використання команди ",[5110,11587,11588],{},"COPY"," PostgreSQL, яка працює швидше за ",[5110,11591,10950],{},". Драйвер ",[5110,11594,5112],{}," підтримує це через метод ",[5110,11597,11598],{},"copyFrom()",[5405,11600,11602],{"id":11601},"read-select-з-фільтрацією-та-join","READ: SELECT з фільтрацією та JOIN",[5170,11604,11605,11606,11608],{},"Запити ",[5110,11607,8365],{}," можуть варіюватися від простих вибірок до складних агрегацій із кількома JOIN.",[5170,11610,11611],{},[5132,11612,11613],{},"Проста фільтрація:",[5228,11615,11618],{"className":5758,"code":11616,"filename":11617,"language":5761,"meta":5233,"style":5233},"async function getUsersByDomain(domain: string) {\n  const query = `\n    SELECT id, email, name, created_at\n    FROM users\n    WHERE email LIKE $1\n    ORDER BY created_at DESC\n  `;\n  \n  const result = await pool.query(query, [`%@${domain}`]);\n  return result.rows;\n}\n\nconst gmailUsers = await getUsersByDomain('gmail.com');\nconsole.log('Користувачів з Gmail:', gmailUsers.length);\n","select-filter.ts",[5110,11619,11620,11640,11650,11655,11659,11664,11669,11675,11679,11714,11726,11730,11734,11754],{"__ignoreMap":5233},[5237,11621,11622,11624,11626,11629,11631,11634,11636,11638],{"class":5239,"line":5240},[5237,11623,5796],{"class":5538},[5237,11625,5799],{"class":5538},[5237,11627,11628],{"class":5522}," getUsersByDomain",[5237,11630,5918],{"class":5623},[5237,11632,11633],{"class":5775},"domain",[5237,11635,5469],{"class":5623},[5237,11637,6849],{"class":6682},[5237,11639,7499],{"class":5623},[5237,11641,11642,11644,11646,11648],{"class":5239,"line":5246},[5237,11643,5810],{"class":5538},[5237,11645,8314],{"class":5813},[5237,11647,5817],{"class":5623},[5237,11649,8675],{"class":5525},[5237,11651,11652],{"class":5239,"line":5252},[5237,11653,11654],{"class":5525},"    SELECT id, email, name, created_at\n",[5237,11656,11657],{"class":5239,"line":5258},[5237,11658,9179],{"class":5525},[5237,11660,11661],{"class":5239,"line":5264},[5237,11662,11663],{"class":5525},"    WHERE email LIKE $1\n",[5237,11665,11666],{"class":5239,"line":5271},[5237,11667,11668],{"class":5525},"    ORDER BY created_at DESC\n",[5237,11670,11671,11673],{"class":5239,"line":5277},[5237,11672,8695],{"class":5525},[5237,11674,5787],{"class":5623},[5237,11676,11677],{"class":5239,"line":5283},[5237,11678,6751],{"class":5623},[5237,11680,11681,11683,11685,11687,11689,11691,11693,11695,11697,11699,11701,11704,11706,11708,11710,11712],{"class":5239,"line":5289},[5237,11682,5810],{"class":5538},[5237,11684,5951],{"class":5813},[5237,11686,5817],{"class":5623},[5237,11688,5956],{"class":5768},[5237,11690,6124],{"class":5775},[5237,11692,5199],{"class":5623},[5237,11694,5963],{"class":5522},[5237,11696,5918],{"class":5623},[5237,11698,5963],{"class":5775},[5237,11700,11118],{"class":5623},[5237,11702,11703],{"class":5525},"`%@",[5237,11705,8094],{"class":5538},[5237,11707,11633],{"class":5775},[5237,11709,8105],{"class":5538},[5237,11711,8122],{"class":5525},[5237,11713,11127],{"class":5623},[5237,11715,11716,11718,11720,11722,11724],{"class":5239,"line":5295},[5237,11717,8571],{"class":5768},[5237,11719,5951],{"class":5775},[5237,11721,5199],{"class":5623},[5237,11723,5994],{"class":5775},[5237,11725,5787],{"class":5623},[5237,11727,11728],{"class":5239,"line":5300},[5237,11729,5724],{"class":5623},[5237,11731,11732],{"class":5239,"line":5306},[5237,11733,5268],{"emptyLinePlaceholder":5267},[5237,11735,11736,11738,11741,11743,11745,11747,11749,11752],{"class":5239,"line":5312},[5237,11737,6121],{"class":5538},[5237,11739,11740],{"class":5813}," gmailUsers",[5237,11742,5817],{"class":5623},[5237,11744,5956],{"class":5768},[5237,11746,11628],{"class":5522},[5237,11748,5918],{"class":5623},[5237,11750,11751],{"class":5525},"'gmail.com'",[5237,11753,5931],{"class":5623},[5237,11755,11756,11758,11760,11762,11764,11767,11769,11772,11774,11776],{"class":5239,"line":5318},[5237,11757,7781],{"class":5775},[5237,11759,5199],{"class":5623},[5237,11761,5915],{"class":5522},[5237,11763,5918],{"class":5623},[5237,11765,11766],{"class":5525},"'Користувачів з Gmail:'",[5237,11768,5473],{"class":5623},[5237,11770,11771],{"class":5775},"gmailUsers",[5237,11773,5199],{"class":5623},[5237,11775,11580],{"class":5775},[5237,11777,5931],{"class":5623},[5170,11779,11780],{},[5132,11781,11782],{},"JOIN між таблицями:",[5170,11784,11785,11786,6336,11788,11791,11792,5105],{},"Припустимо, у нас є дві таблиці: ",[5110,11787,11229],{},[5110,11789,11790],{},"posts",". Одному користувачу може належати багато постів (",[5102,11793,11794],{},"one-to-many",[5228,11796,11799],{"className":5758,"code":11797,"filename":11798,"language":5761,"meta":5233,"style":5233},"interface UserWithPosts {\n  user_id: number;\n  user_email: string;\n  post_id: number | null;\n  post_title: string | null;\n  post_created_at: Date | null;\n}\n\nasync function getUsersWithPosts(): Promise\u003CUserWithPosts[]> {\n  const query = `\n    SELECT \n      u.id AS user_id,\n      u.email AS user_email,\n      p.id AS post_id,\n      p.title AS post_title,\n      p.created_at AS post_created_at\n    FROM users u\n    LEFT JOIN posts p ON p.user_id = u.id\n    ORDER BY u.id, p.created_at DESC\n  `;\n  \n  const result = await pool.query\u003CUserWithPosts>(query);\n  return result.rows;\n}\n","select-join.ts",[5110,11800,11801,11810,11821,11832,11849,11864,11879,11883,11887,11907,11917,11922,11927,11932,11937,11942,11947,11952,11957,11962,11968,11972,11998,12010],{"__ignoreMap":5233},[5237,11802,11803,11805,11808],{"class":5239,"line":5240},[5237,11804,8161],{"class":5538},[5237,11806,11807],{"class":6682}," UserWithPosts",[5237,11809,5943],{"class":5623},[5237,11811,11812,11815,11817,11819],{"class":5239,"line":5246},[5237,11813,11814],{"class":5775},"  user_id",[5237,11816,5469],{"class":5623},[5237,11818,6868],{"class":6682},[5237,11820,5787],{"class":5623},[5237,11822,11823,11826,11828,11830],{"class":5239,"line":5252},[5237,11824,11825],{"class":5775},"  user_email",[5237,11827,5469],{"class":5623},[5237,11829,6849],{"class":6682},[5237,11831,5787],{"class":5623},[5237,11833,11834,11837,11839,11841,11844,11847],{"class":5239,"line":5258},[5237,11835,11836],{"class":5775},"  post_id",[5237,11838,5469],{"class":5623},[5237,11840,6868],{"class":6682},[5237,11842,11843],{"class":5623}," | ",[5237,11845,11846],{"class":6682},"null",[5237,11848,5787],{"class":5623},[5237,11850,11851,11854,11856,11858,11860,11862],{"class":5239,"line":5264},[5237,11852,11853],{"class":5775},"  post_title",[5237,11855,5469],{"class":5623},[5237,11857,6849],{"class":6682},[5237,11859,11843],{"class":5623},[5237,11861,11846],{"class":6682},[5237,11863,5787],{"class":5623},[5237,11865,11866,11869,11871,11873,11875,11877],{"class":5239,"line":5271},[5237,11867,11868],{"class":5775},"  post_created_at",[5237,11870,5469],{"class":5623},[5237,11872,9084],{"class":6682},[5237,11874,11843],{"class":5623},[5237,11876,11846],{"class":6682},[5237,11878,5787],{"class":5623},[5237,11880,11881],{"class":5239,"line":5277},[5237,11882,5724],{"class":5623},[5237,11884,11885],{"class":5239,"line":5283},[5237,11886,5268],{"emptyLinePlaceholder":5267},[5237,11888,11889,11891,11893,11896,11898,11900,11902,11905],{"class":5239,"line":5289},[5237,11890,5796],{"class":5538},[5237,11892,5799],{"class":5538},[5237,11894,11895],{"class":5522}," getUsersWithPosts",[5237,11897,9134],{"class":5623},[5237,11899,7912],{"class":6682},[5237,11901,8167],{"class":5623},[5237,11903,11904],{"class":6682},"UserWithPosts",[5237,11906,9144],{"class":5623},[5237,11908,11909,11911,11913,11915],{"class":5239,"line":5295},[5237,11910,5810],{"class":5538},[5237,11912,8314],{"class":5813},[5237,11914,5817],{"class":5623},[5237,11916,8675],{"class":5525},[5237,11918,11919],{"class":5239,"line":5300},[5237,11920,11921],{"class":5525},"    SELECT \n",[5237,11923,11924],{"class":5239,"line":5306},[5237,11925,11926],{"class":5525},"      u.id AS user_id,\n",[5237,11928,11929],{"class":5239,"line":5312},[5237,11930,11931],{"class":5525},"      u.email AS user_email,\n",[5237,11933,11934],{"class":5239,"line":5318},[5237,11935,11936],{"class":5525},"      p.id AS post_id,\n",[5237,11938,11939],{"class":5239,"line":5324},[5237,11940,11941],{"class":5525},"      p.title AS post_title,\n",[5237,11943,11944],{"class":5239,"line":5330},[5237,11945,11946],{"class":5525},"      p.created_at AS post_created_at\n",[5237,11948,11949],{"class":5239,"line":5336},[5237,11950,11951],{"class":5525},"    FROM users u\n",[5237,11953,11954],{"class":5239,"line":5342},[5237,11955,11956],{"class":5525},"    LEFT JOIN posts p ON p.user_id = u.id\n",[5237,11958,11959],{"class":5239,"line":5347},[5237,11960,11961],{"class":5525},"    ORDER BY u.id, p.created_at DESC\n",[5237,11963,11964,11966],{"class":5239,"line":5353},[5237,11965,8695],{"class":5525},[5237,11967,5787],{"class":5623},[5237,11969,11970],{"class":5239,"line":5359},[5237,11971,6751],{"class":5623},[5237,11973,11974,11976,11978,11980,11982,11984,11986,11988,11990,11992,11994,11996],{"class":5239,"line":5365},[5237,11975,5810],{"class":5538},[5237,11977,5951],{"class":5813},[5237,11979,5817],{"class":5623},[5237,11981,5956],{"class":5768},[5237,11983,6124],{"class":5775},[5237,11985,5199],{"class":5623},[5237,11987,5963],{"class":5522},[5237,11989,8167],{"class":5623},[5237,11991,11904],{"class":6682},[5237,11993,9167],{"class":5623},[5237,11995,5963],{"class":5775},[5237,11997,5931],{"class":5623},[5237,11999,12000,12002,12004,12006,12008],{"class":5239,"line":5371},[5237,12001,8571],{"class":5768},[5237,12003,5951],{"class":5775},[5237,12005,5199],{"class":5623},[5237,12007,5994],{"class":5775},[5237,12009,5787],{"class":5623},[5237,12011,12012],{"class":5239,"line":5377},[5237,12013,5724],{"class":5623},[5216,12015,12016,12017,12020,12021,12024,12025,5199],{},"Використання ",[5110,12018,12019],{},"LEFT JOIN"," гарантує, що користувачі без постів також будуть включені у результат (із ",[5110,12022,12023],{},"NULL"," у полях посту). Якщо вам потрібні лише користувачі, які мають пости, використовуйте ",[5110,12026,12027],{},"INNER JOIN",[5405,12029,12031],{"id":12030},"update-оновлення-записів","UPDATE: оновлення записів",[5170,12033,10947,12034,12037,12038,12040],{},[5110,12035,12036],{},"UPDATE"," змінює існуючі рядки. Критично важливо завжди використовувати умову ",[5110,12039,8377],{},", щоб не оновити всі рядки таблиці випадково.",[5228,12042,12045],{"className":5758,"code":12043,"filename":12044,"language":5761,"meta":5233,"style":5233},"async function updateUserEmail(userId: number, newEmail: string): Promise\u003Cvoid> {\n  const query = `\n    UPDATE users\n    SET email = $1, updated_at = NOW()\n    WHERE id = $2\n  `;\n  \n  const result = await pool.query(query, [newEmail, userId]);\n  \n  if (result.rowCount === 0) {\n    throw new Error(`Користувача з ID ${userId} не знайдено`);\n  }\n  \n  console.log(`Оновлено email для користувача ${userId}`);\n}\n\nawait updateUserEmail(42, 'newemail@example.com');\n","update.ts",[5110,12046,12047,12085,12095,12100,12105,12110,12116,12120,12150,12154,12172,12196,12200,12204,12227,12231,12235],{"__ignoreMap":5233},[5237,12048,12049,12051,12053,12056,12058,12061,12063,12065,12067,12070,12072,12074,12076,12078,12080,12083],{"class":5239,"line":5240},[5237,12050,5796],{"class":5538},[5237,12052,5799],{"class":5538},[5237,12054,12055],{"class":5522}," updateUserEmail",[5237,12057,5918],{"class":5623},[5237,12059,12060],{"class":5775},"userId",[5237,12062,5469],{"class":5623},[5237,12064,6868],{"class":6682},[5237,12066,5473],{"class":5623},[5237,12068,12069],{"class":5775},"newEmail",[5237,12071,5469],{"class":5623},[5237,12073,6849],{"class":6682},[5237,12075,9814],{"class":5623},[5237,12077,7912],{"class":6682},[5237,12079,8167],{"class":5623},[5237,12081,12082],{"class":6682},"void",[5237,12084,8178],{"class":5623},[5237,12086,12087,12089,12091,12093],{"class":5239,"line":5246},[5237,12088,5810],{"class":5538},[5237,12090,8314],{"class":5813},[5237,12092,5817],{"class":5623},[5237,12094,8675],{"class":5525},[5237,12096,12097],{"class":5239,"line":5252},[5237,12098,12099],{"class":5525},"    UPDATE users\n",[5237,12101,12102],{"class":5239,"line":5258},[5237,12103,12104],{"class":5525},"    SET email = $1, updated_at = NOW()\n",[5237,12106,12107],{"class":5239,"line":5264},[5237,12108,12109],{"class":5525},"    WHERE id = $2\n",[5237,12111,12112,12114],{"class":5239,"line":5271},[5237,12113,8695],{"class":5525},[5237,12115,5787],{"class":5623},[5237,12117,12118],{"class":5239,"line":5277},[5237,12119,6751],{"class":5623},[5237,12121,12122,12124,12126,12128,12130,12132,12134,12136,12138,12140,12142,12144,12146,12148],{"class":5239,"line":5283},[5237,12123,5810],{"class":5538},[5237,12125,5951],{"class":5813},[5237,12127,5817],{"class":5623},[5237,12129,5956],{"class":5768},[5237,12131,6124],{"class":5775},[5237,12133,5199],{"class":5623},[5237,12135,5963],{"class":5522},[5237,12137,5918],{"class":5623},[5237,12139,5963],{"class":5775},[5237,12141,11118],{"class":5623},[5237,12143,12069],{"class":5775},[5237,12145,5473],{"class":5623},[5237,12147,12060],{"class":5775},[5237,12149,11127],{"class":5623},[5237,12151,12152],{"class":5239,"line":5289},[5237,12153,6751],{"class":5623},[5237,12155,12156,12158,12160,12162,12164,12166,12168,12170],{"class":5239,"line":5295},[5237,12157,8519],{"class":5768},[5237,12159,5113],{"class":5623},[5237,12161,5989],{"class":5775},[5237,12163,5199],{"class":5623},[5237,12165,7923],{"class":5775},[5237,12167,6605],{"class":5623},[5237,12169,6000],{"class":5844},[5237,12171,7499],{"class":5623},[5237,12173,12174,12176,12178,12180,12182,12185,12187,12189,12191,12194],{"class":5239,"line":5300},[5237,12175,10226],{"class":5768},[5237,12177,8976],{"class":5538},[5237,12179,7514],{"class":5522},[5237,12181,5918],{"class":5623},[5237,12183,12184],{"class":5525},"`Користувача з ID ",[5237,12186,8094],{"class":5538},[5237,12188,12060],{"class":5775},[5237,12190,8105],{"class":5538},[5237,12192,12193],{"class":5525}," не знайдено`",[5237,12195,5931],{"class":5623},[5237,12197,12198],{"class":5239,"line":5306},[5237,12199,5719],{"class":5623},[5237,12201,12202],{"class":5239,"line":5312},[5237,12203,6751],{"class":5623},[5237,12205,12206,12208,12210,12212,12214,12217,12219,12221,12223,12225],{"class":5239,"line":5318},[5237,12207,5910],{"class":5775},[5237,12209,5199],{"class":5623},[5237,12211,5915],{"class":5522},[5237,12213,5918],{"class":5623},[5237,12215,12216],{"class":5525},"`Оновлено email для користувача ",[5237,12218,8094],{"class":5538},[5237,12220,12060],{"class":5775},[5237,12222,8105],{"class":5538},[5237,12224,8122],{"class":5525},[5237,12226,5931],{"class":5623},[5237,12228,12229],{"class":5239,"line":5324},[5237,12230,5724],{"class":5623},[5237,12232,12233],{"class":5239,"line":5330},[5237,12234,5268],{"emptyLinePlaceholder":5267},[5237,12236,12237,12239,12241,12243,12246,12248,12251],{"class":5239,"line":5336},[5237,12238,5956],{"class":5768},[5237,12240,12055],{"class":5522},[5237,12242,5918],{"class":5623},[5237,12244,12245],{"class":5844},"42",[5237,12247,5473],{"class":5623},[5237,12249,12250],{"class":5525},"'newemail@example.com'",[5237,12252,5931],{"class":5623},[5170,12254,12255],{},[5132,12256,12257],{},"Умовне оновлення з перевіркою версії (Optimistic Locking):",[5170,12259,12260,12261,12264],{},"Для запобігання race condition (",[5102,12262,12263],{},"стану гонки",") при одночасному оновленні можна використовувати поле версії:",[5228,12266,12269],{"className":5758,"code":12267,"filename":12268,"language":5761,"meta":5233,"style":5233},"async function updateWithVersion(userId: number, newName: string, expectedVersion: number) {\n  const query = `\n    UPDATE users\n    SET name = $1, version = version + 1, updated_at = NOW()\n    WHERE id = $2 AND version = $3\n    RETURNING version\n  `;\n  \n  const result = await pool.query(query, [newName, userId, expectedVersion]);\n  \n  if (result.rowCount === 0) {\n    throw new Error('Conflict: запис було змінено іншим процесом');\n  }\n  \n  return result.rows[0].version;\n}\n","optimistic-lock.ts",[5110,12270,12271,12308,12318,12322,12327,12332,12337,12343,12347,12381,12385,12403,12418,12422,12426,12446],{"__ignoreMap":5233},[5237,12272,12273,12275,12277,12280,12282,12284,12286,12288,12290,12293,12295,12297,12299,12302,12304,12306],{"class":5239,"line":5240},[5237,12274,5796],{"class":5538},[5237,12276,5799],{"class":5538},[5237,12278,12279],{"class":5522}," updateWithVersion",[5237,12281,5918],{"class":5623},[5237,12283,12060],{"class":5775},[5237,12285,5469],{"class":5623},[5237,12287,6868],{"class":6682},[5237,12289,5473],{"class":5623},[5237,12291,12292],{"class":5775},"newName",[5237,12294,5469],{"class":5623},[5237,12296,6849],{"class":6682},[5237,12298,5473],{"class":5623},[5237,12300,12301],{"class":5775},"expectedVersion",[5237,12303,5469],{"class":5623},[5237,12305,6868],{"class":6682},[5237,12307,7499],{"class":5623},[5237,12309,12310,12312,12314,12316],{"class":5239,"line":5246},[5237,12311,5810],{"class":5538},[5237,12313,8314],{"class":5813},[5237,12315,5817],{"class":5623},[5237,12317,8675],{"class":5525},[5237,12319,12320],{"class":5239,"line":5252},[5237,12321,12099],{"class":5525},[5237,12323,12324],{"class":5239,"line":5258},[5237,12325,12326],{"class":5525},"    SET name = $1, version = version + 1, updated_at = NOW()\n",[5237,12328,12329],{"class":5239,"line":5264},[5237,12330,12331],{"class":5525},"    WHERE id = $2 AND version = $3\n",[5237,12333,12334],{"class":5239,"line":5271},[5237,12335,12336],{"class":5525},"    RETURNING version\n",[5237,12338,12339,12341],{"class":5239,"line":5277},[5237,12340,8695],{"class":5525},[5237,12342,5787],{"class":5623},[5237,12344,12345],{"class":5239,"line":5283},[5237,12346,6751],{"class":5623},[5237,12348,12349,12351,12353,12355,12357,12359,12361,12363,12365,12367,12369,12371,12373,12375,12377,12379],{"class":5239,"line":5289},[5237,12350,5810],{"class":5538},[5237,12352,5951],{"class":5813},[5237,12354,5817],{"class":5623},[5237,12356,5956],{"class":5768},[5237,12358,6124],{"class":5775},[5237,12360,5199],{"class":5623},[5237,12362,5963],{"class":5522},[5237,12364,5918],{"class":5623},[5237,12366,5963],{"class":5775},[5237,12368,11118],{"class":5623},[5237,12370,12292],{"class":5775},[5237,12372,5473],{"class":5623},[5237,12374,12060],{"class":5775},[5237,12376,5473],{"class":5623},[5237,12378,12301],{"class":5775},[5237,12380,11127],{"class":5623},[5237,12382,12383],{"class":5239,"line":5295},[5237,12384,6751],{"class":5623},[5237,12386,12387,12389,12391,12393,12395,12397,12399,12401],{"class":5239,"line":5300},[5237,12388,8519],{"class":5768},[5237,12390,5113],{"class":5623},[5237,12392,5989],{"class":5775},[5237,12394,5199],{"class":5623},[5237,12396,7923],{"class":5775},[5237,12398,6605],{"class":5623},[5237,12400,6000],{"class":5844},[5237,12402,7499],{"class":5623},[5237,12404,12405,12407,12409,12411,12413,12416],{"class":5239,"line":5306},[5237,12406,10226],{"class":5768},[5237,12408,8976],{"class":5538},[5237,12410,7514],{"class":5522},[5237,12412,5918],{"class":5623},[5237,12414,12415],{"class":5525},"'Conflict: запис було змінено іншим процесом'",[5237,12417,5931],{"class":5623},[5237,12419,12420],{"class":5239,"line":5312},[5237,12421,5719],{"class":5623},[5237,12423,12424],{"class":5239,"line":5318},[5237,12425,6751],{"class":5623},[5237,12427,12428,12430,12432,12434,12436,12438,12440,12442,12444],{"class":5239,"line":5324},[5237,12429,8571],{"class":5768},[5237,12431,5951],{"class":5775},[5237,12433,5199],{"class":5623},[5237,12435,5994],{"class":5775},[5237,12437,5997],{"class":5623},[5237,12439,6000],{"class":5844},[5237,12441,6003],{"class":5623},[5237,12443,7463],{"class":5775},[5237,12445,5787],{"class":5623},[5237,12447,12448],{"class":5239,"line":5330},[5237,12449,5724],{"class":5623},[5405,12451,12453],{"id":12452},"delete-видалення-записів","DELETE: видалення записів",[5170,12455,10947,12456,12459,12460,12462,12463,12465],{},[5110,12457,12458],{},"DELETE"," видаляє рядки з таблиці. Як і у випадку з ",[5110,12461,12036],{},", завжди використовуйте ",[5110,12464,8377],{},", якщо не хочете видалити всю таблицю.",[5228,12467,12470],{"className":5758,"code":12468,"filename":12469,"language":5761,"meta":5233,"style":5233},"async function deleteUser(userId: number): Promise\u003Cboolean> {\n  const query = 'DELETE FROM users WHERE id = $1';\n  const result = await pool.query(query, [userId]);\n  \n  return result.rowCount > 0; \u002F\u002F true, якщо щось було видалено\n}\n\nconst deleted = await deleteUser(99);\nconsole.log(deleted ? 'Користувача видалено' : 'Користувача не знайдено');\n","delete.ts",[5110,12471,12472,12499,12512,12538,12542,12562,12566,12570,12590],{"__ignoreMap":5233},[5237,12473,12474,12476,12478,12481,12483,12485,12487,12489,12491,12493,12495,12497],{"class":5239,"line":5240},[5237,12475,5796],{"class":5538},[5237,12477,5799],{"class":5538},[5237,12479,12480],{"class":5522}," deleteUser",[5237,12482,5918],{"class":5623},[5237,12484,12060],{"class":5775},[5237,12486,5469],{"class":5623},[5237,12488,6868],{"class":6682},[5237,12490,9814],{"class":5623},[5237,12492,7912],{"class":6682},[5237,12494,8167],{"class":5623},[5237,12496,9111],{"class":6682},[5237,12498,8178],{"class":5623},[5237,12500,12501,12503,12505,12507,12510],{"class":5239,"line":5246},[5237,12502,5810],{"class":5538},[5237,12504,8314],{"class":5813},[5237,12506,5817],{"class":5623},[5237,12508,12509],{"class":5525},"'DELETE FROM users WHERE id = $1'",[5237,12511,5787],{"class":5623},[5237,12513,12514,12516,12518,12520,12522,12524,12526,12528,12530,12532,12534,12536],{"class":5239,"line":5252},[5237,12515,5810],{"class":5538},[5237,12517,5951],{"class":5813},[5237,12519,5817],{"class":5623},[5237,12521,5956],{"class":5768},[5237,12523,6124],{"class":5775},[5237,12525,5199],{"class":5623},[5237,12527,5963],{"class":5522},[5237,12529,5918],{"class":5623},[5237,12531,5963],{"class":5775},[5237,12533,11118],{"class":5623},[5237,12535,12060],{"class":5775},[5237,12537,11127],{"class":5623},[5237,12539,12540],{"class":5239,"line":5258},[5237,12541,6751],{"class":5623},[5237,12543,12544,12546,12548,12550,12552,12555,12557,12559],{"class":5239,"line":5264},[5237,12545,8571],{"class":5768},[5237,12547,5951],{"class":5775},[5237,12549,5199],{"class":5623},[5237,12551,7923],{"class":5775},[5237,12553,12554],{"class":5623}," > ",[5237,12556,6000],{"class":5844},[5237,12558,8304],{"class":5623},[5237,12560,12561],{"class":5904},"\u002F\u002F true, якщо щось було видалено\n",[5237,12563,12564],{"class":5239,"line":5271},[5237,12565,5724],{"class":5623},[5237,12567,12568],{"class":5239,"line":5277},[5237,12569,5268],{"emptyLinePlaceholder":5267},[5237,12571,12572,12574,12577,12579,12581,12583,12585,12588],{"class":5239,"line":5283},[5237,12573,6121],{"class":5538},[5237,12575,12576],{"class":5813}," deleted",[5237,12578,5817],{"class":5623},[5237,12580,5956],{"class":5768},[5237,12582,12480],{"class":5522},[5237,12584,5918],{"class":5623},[5237,12586,12587],{"class":5844},"99",[5237,12589,5931],{"class":5623},[5237,12591,12592,12594,12596,12598,12600,12603,12605,12608,12610,12612],{"class":5239,"line":5289},[5237,12593,7781],{"class":5775},[5237,12595,5199],{"class":5623},[5237,12597,5915],{"class":5522},[5237,12599,5918],{"class":5623},[5237,12601,12602],{"class":5775},"deleted",[5237,12604,10890],{"class":5623},[5237,12606,12607],{"class":5525},"'Користувача видалено'",[5237,12609,10896],{"class":5623},[5237,12611,8546],{"class":5525},[5237,12613,5931],{"class":5623},[5170,12615,12616],{},[5132,12617,12618],{},"Каскадне видалення через FK:",[5170,12620,12621,12622,12625,12626,12629],{},"Якщо у вас налаштовані зовнішні ключі (",[5102,12623,12624],{},"foreign keys",") з опцією ",[5110,12627,12628],{},"ON DELETE CASCADE",", видалення батьківського рядка автоматично видалить пов'язані дочірні рядки.",[5228,12631,12633],{"className":8356,"code":12632,"language":8358,"meta":5233,"style":5233},"-- Визначення FK із каскадним видаленням\nALTER TABLE posts\nADD CONSTRAINT fk_user\nFOREIGN KEY (user_id) REFERENCES users(id)\nON DELETE CASCADE;\n",[5110,12634,12635,12640,12651,12662,12676],{"__ignoreMap":5233},[5237,12636,12637],{"class":5239,"line":5240},[5237,12638,12639],{"class":5904},"-- Визначення FK із каскадним видаленням\n",[5237,12641,12642,12645,12648],{"class":5239,"line":5246},[5237,12643,12644],{"class":5538},"ALTER",[5237,12646,12647],{"class":5538}," TABLE",[5237,12649,12650],{"class":5623}," posts\n",[5237,12652,12653,12656,12659],{"class":5239,"line":5252},[5237,12654,12655],{"class":5538},"ADD",[5237,12657,12658],{"class":5538}," CONSTRAINT",[5237,12660,12661],{"class":5623}," fk_user\n",[5237,12663,12664,12667,12670,12673],{"class":5239,"line":5258},[5237,12665,12666],{"class":5538},"FOREIGN KEY",[5237,12668,12669],{"class":5623}," (user_id) ",[5237,12671,12672],{"class":5538},"REFERENCES",[5237,12674,12675],{"class":5623}," users(id)\n",[5237,12677,12678,12680],{"class":5239,"line":5264},[5237,12679,12628],{"class":5538},[5237,12681,5787],{"class":5623},[5170,12683,12684,12685,12688],{},"Тепер при ",[5110,12686,12687],{},"DELETE FROM users WHERE id = 42"," усі пости цього користувача також будуть видалені автоматично.",[5405,12690,12692,12693,5473,12696,5473,12699],{"id":12691},"транзакції-через-begin-commit-rollback","Транзакції через ",[5110,12694,12695],{},"BEGIN",[5110,12697,12698],{},"COMMIT",[5110,12700,12701],{},"ROLLBACK",[5170,12703,12704,12705,5105],{},"Транзакція — це послідовність операцій, які або виконуються повністю, або відкочуються цілком у разі помилки. Це фундаментальна властивість ACID (",[5102,12706,12707],{},"Atomicity, Consistency, Isolation, Durability",[5170,12709,12710],{},[5132,12711,12712],{},"Базовий приклад транзакції:",[5228,12714,12717],{"className":5758,"code":12715,"filename":12716,"language":5761,"meta":5233,"style":5233},"async function transferMoney(fromUserId: number, toUserId: number, amount: number) {\n  const client = await pool.connect();\n  \n  try {\n    await client.query('BEGIN');\n    \n    \u002F\u002F Зняти гроші з рахунку відправника\n    const debitResult = await client.query(\n      'UPDATE accounts SET balance = balance - $1 WHERE user_id = $2 RETURNING balance',\n      [amount, fromUserId]\n    );\n    \n    if (debitResult.rows[0].balance \u003C 0) {\n      throw new Error('Insufficient funds');\n    }\n    \n    \u002F\u002F Додати гроші на рахунок отримувача\n    await client.query(\n      'UPDATE accounts SET balance = balance + $1 WHERE user_id = $2',\n      [amount, toUserId]\n    );\n    \n    await client.query('COMMIT');\n    console.log(`Переказано ${amount} від ${fromUserId} до ${toUserId}`);\n    \n  } catch (error) {\n    await client.query('ROLLBACK');\n    console.error('Помилка транзакції, виконано rollback:', error);\n    throw error;\n    \n  } finally {\n    client.release();\n  }\n}\n\nawait transferMoney(1, 2, 500);\n","transaction.ts",[5110,12718,12719,12757,12775,12779,12785,12801,12805,12810,12829,12836,12848,12852,12856,12885,12901,12905,12909,12914,12926,12933,12945,12949,12953,12969,13010,13014,13026,13042,13060,13068,13072,13080,13090,13094,13098,13102],{"__ignoreMap":5233},[5237,12720,12721,12723,12725,12728,12730,12733,12735,12737,12739,12742,12744,12746,12748,12751,12753,12755],{"class":5239,"line":5240},[5237,12722,5796],{"class":5538},[5237,12724,5799],{"class":5538},[5237,12726,12727],{"class":5522}," transferMoney",[5237,12729,5918],{"class":5623},[5237,12731,12732],{"class":5775},"fromUserId",[5237,12734,5469],{"class":5623},[5237,12736,6868],{"class":6682},[5237,12738,5473],{"class":5623},[5237,12740,12741],{"class":5775},"toUserId",[5237,12743,5469],{"class":5623},[5237,12745,6868],{"class":6682},[5237,12747,5473],{"class":5623},[5237,12749,12750],{"class":5775},"amount",[5237,12752,5469],{"class":5623},[5237,12754,6868],{"class":6682},[5237,12756,7499],{"class":5623},[5237,12758,12759,12761,12763,12765,12767,12769,12771,12773],{"class":5239,"line":5246},[5237,12760,5810],{"class":5538},[5237,12762,5814],{"class":5813},[5237,12764,5817],{"class":5623},[5237,12766,5956],{"class":5768},[5237,12768,6124],{"class":5775},[5237,12770,5199],{"class":5623},[5237,12772,5898],{"class":5522},[5237,12774,6055],{"class":5623},[5237,12776,12777],{"class":5239,"line":5252},[5237,12778,6751],{"class":5623},[5237,12780,12781,12783],{"class":5239,"line":5258},[5237,12782,5940],{"class":5768},[5237,12784,5943],{"class":5623},[5237,12786,12787,12789,12791,12793,12795,12797,12799],{"class":5239,"line":5264},[5237,12788,6023],{"class":5768},[5237,12790,5814],{"class":5775},[5237,12792,5199],{"class":5623},[5237,12794,5963],{"class":5522},[5237,12796,5918],{"class":5623},[5237,12798,10024],{"class":5525},[5237,12800,5931],{"class":5623},[5237,12802,12803],{"class":5239,"line":5271},[5237,12804,7378],{"class":5623},[5237,12806,12807],{"class":5239,"line":5277},[5237,12808,12809],{"class":5904},"    \u002F\u002F Зняти гроші з рахунку відправника\n",[5237,12811,12812,12814,12817,12819,12821,12823,12825,12827],{"class":5239,"line":5283},[5237,12813,5948],{"class":5538},[5237,12815,12816],{"class":5813}," debitResult",[5237,12818,5817],{"class":5623},[5237,12820,5956],{"class":5768},[5237,12822,5814],{"class":5775},[5237,12824,5199],{"class":5623},[5237,12826,5963],{"class":5522},[5237,12828,10053],{"class":5623},[5237,12830,12831,12834],{"class":5239,"line":5289},[5237,12832,12833],{"class":5525},"      'UPDATE accounts SET balance = balance - $1 WHERE user_id = $2 RETURNING balance'",[5237,12835,5646],{"class":5623},[5237,12837,12838,12840,12842,12844,12846],{"class":5239,"line":5295},[5237,12839,10065],{"class":5623},[5237,12841,12750],{"class":5775},[5237,12843,5473],{"class":5623},[5237,12845,12732],{"class":5775},[5237,12847,10075],{"class":5623},[5237,12849,12850],{"class":5239,"line":5300},[5237,12851,10080],{"class":5623},[5237,12853,12854],{"class":5239,"line":5306},[5237,12855,7378],{"class":5623},[5237,12857,12858,12860,12862,12865,12867,12869,12871,12873,12875,12878,12881,12883],{"class":5239,"line":5312},[5237,12859,7504],{"class":5768},[5237,12861,5113],{"class":5623},[5237,12863,12864],{"class":5775},"debitResult",[5237,12866,5199],{"class":5623},[5237,12868,5994],{"class":5775},[5237,12870,5997],{"class":5623},[5237,12872,6000],{"class":5844},[5237,12874,6003],{"class":5623},[5237,12876,12877],{"class":5775},"balance",[5237,12879,12880],{"class":5623}," \u003C ",[5237,12882,6000],{"class":5844},[5237,12884,7499],{"class":5623},[5237,12886,12887,12890,12892,12894,12896,12899],{"class":5239,"line":5318},[5237,12888,12889],{"class":5768},"      throw",[5237,12891,8976],{"class":5538},[5237,12893,7514],{"class":5522},[5237,12895,5918],{"class":5623},[5237,12897,12898],{"class":5525},"'Insufficient funds'",[5237,12900,5931],{"class":5623},[5237,12902,12903],{"class":5239,"line":5324},[5237,12904,7692],{"class":5623},[5237,12906,12907],{"class":5239,"line":5330},[5237,12908,7378],{"class":5623},[5237,12910,12911],{"class":5239,"line":5336},[5237,12912,12913],{"class":5904},"    \u002F\u002F Додати гроші на рахунок отримувача\n",[5237,12915,12916,12918,12920,12922,12924],{"class":5239,"line":5342},[5237,12917,6023],{"class":5768},[5237,12919,5814],{"class":5775},[5237,12921,5199],{"class":5623},[5237,12923,5963],{"class":5522},[5237,12925,10053],{"class":5623},[5237,12927,12928,12931],{"class":5239,"line":5347},[5237,12929,12930],{"class":5525},"      'UPDATE accounts SET balance = balance + $1 WHERE user_id = $2'",[5237,12932,5646],{"class":5623},[5237,12934,12935,12937,12939,12941,12943],{"class":5239,"line":5353},[5237,12936,10065],{"class":5623},[5237,12938,12750],{"class":5775},[5237,12940,5473],{"class":5623},[5237,12942,12741],{"class":5775},[5237,12944,10075],{"class":5623},[5237,12946,12947],{"class":5239,"line":5359},[5237,12948,10080],{"class":5623},[5237,12950,12951],{"class":5239,"line":5365},[5237,12952,7378],{"class":5623},[5237,12954,12955,12957,12959,12961,12963,12965,12967],{"class":5239,"line":5371},[5237,12956,6023],{"class":5768},[5237,12958,5814],{"class":5775},[5237,12960,5199],{"class":5623},[5237,12962,5963],{"class":5522},[5237,12964,5918],{"class":5623},[5237,12966,10146],{"class":5525},[5237,12968,5931],{"class":5623},[5237,12970,12971,12973,12975,12977,12979,12982,12984,12986,12988,12991,12993,12995,12997,13000,13002,13004,13006,13008],{"class":5239,"line":5377},[5237,12972,5975],{"class":5775},[5237,12974,5199],{"class":5623},[5237,12976,5915],{"class":5522},[5237,12978,5918],{"class":5623},[5237,12980,12981],{"class":5525},"`Переказано ",[5237,12983,8094],{"class":5538},[5237,12985,12750],{"class":5775},[5237,12987,8105],{"class":5538},[5237,12989,12990],{"class":5525}," від ",[5237,12992,8094],{"class":5538},[5237,12994,12732],{"class":5775},[5237,12996,8105],{"class":5538},[5237,12998,12999],{"class":5525}," до ",[5237,13001,8094],{"class":5538},[5237,13003,12741],{"class":5775},[5237,13005,8105],{"class":5538},[5237,13007,8122],{"class":5525},[5237,13009,5931],{"class":5623},[5237,13011,13012],{"class":5239,"line":5383},[5237,13013,7378],{"class":5623},[5237,13015,13016,13018,13020,13022,13024],{"class":5239,"line":5389},[5237,13017,6013],{"class":5623},[5237,13019,7491],{"class":5768},[5237,13021,5113],{"class":5623},[5237,13023,7496],{"class":5775},[5237,13025,7499],{"class":5623},[5237,13027,13028,13030,13032,13034,13036,13038,13040],{"class":5239,"line":5394},[5237,13029,6023],{"class":5768},[5237,13031,5814],{"class":5775},[5237,13033,5199],{"class":5623},[5237,13035,5963],{"class":5522},[5237,13037,5918],{"class":5623},[5237,13039,10197],{"class":5525},[5237,13041,5931],{"class":5623},[5237,13043,13044,13046,13048,13050,13052,13054,13056,13058],{"class":5239,"line":7683},[5237,13045,5975],{"class":5775},[5237,13047,5199],{"class":5623},[5237,13049,7496],{"class":5522},[5237,13051,5918],{"class":5623},[5237,13053,10215],{"class":5525},[5237,13055,5473],{"class":5623},[5237,13057,7496],{"class":5775},[5237,13059,5931],{"class":5623},[5237,13061,13062,13064,13066],{"class":5239,"line":7689},[5237,13063,10226],{"class":5768},[5237,13065,10229],{"class":5775},[5237,13067,5787],{"class":5623},[5237,13069,13070],{"class":5239,"line":7695},[5237,13071,7378],{"class":5623},[5237,13073,13074,13076,13078],{"class":5239,"line":7717},[5237,13075,6013],{"class":5623},[5237,13077,6016],{"class":5768},[5237,13079,5943],{"class":5623},[5237,13081,13082,13084,13086,13088],{"class":5239,"line":7722},[5237,13083,7474],{"class":5775},[5237,13085,5199],{"class":5623},[5237,13087,7479],{"class":5522},[5237,13089,6055],{"class":5623},[5237,13091,13092],{"class":5239,"line":7727},[5237,13093,5719],{"class":5623},[5237,13095,13096],{"class":5239,"line":7732},[5237,13097,5724],{"class":5623},[5237,13099,13100],{"class":5239,"line":10271},[5237,13101,5268],{"emptyLinePlaceholder":5267},[5237,13103,13105,13107,13109,13111,13113,13115,13117,13119,13122],{"class":5239,"line":13104},36,[5237,13106,5956],{"class":5768},[5237,13108,12727],{"class":5522},[5237,13110,5918],{"class":5623},[5237,13112,7708],{"class":5844},[5237,13114,5473],{"class":5623},[5237,13116,10121],{"class":5844},[5237,13118,5473],{"class":5623},[5237,13120,13121],{"class":5844},"500",[5237,13123,5931],{"class":5623},[7234,13125,13126,13127,13130,13131,5458,13133,13135,13136,5105],{},"Транзакція блокує (",[5102,13128,13129],{},"lock",") рядки, які вона змінює, до моменту ",[5110,13132,12698],{},[5110,13134,12701],{},". Якщо ви виконуєте довгу транзакцію (наприклад, із зовнішніми HTTP-запитами всередині), інші запити можуть чекати на звільнення блокувань. Це призводить до проблем продуктивності (",[5102,13137,9836],{},[5170,13139,13140],{},[5132,13141,13142],{},"Рівні ізоляції транзакцій:",[5170,13144,13145],{},"PostgreSQL підтримує 4 рівні ізоляції згідно зі стандартом SQL:",[6352,13147,13148,13160],{},[6355,13149,13150],{},[6358,13151,13152,13155,13157],{},[6361,13153,13154],{},"Рівень",[6361,13156,6944],{},[6361,13158,13159],{},"Коли використовувати",[6368,13161,13162,13179,13191,13204],{},[6358,13163,13164,13169,13176],{},[6373,13165,13166],{},[5110,13167,13168],{},"READ UNCOMMITTED",[6373,13170,13171,13172,13175],{},"Не підтримується у PostgreSQL (еквівалент ",[5110,13173,13174],{},"READ COMMITTED",")",[6373,13177,13178],{},"—",[6358,13180,13181,13185,13188],{},[6373,13182,13183],{},[5110,13184,13174],{},[6373,13186,13187],{},"За замовчуванням. Читає тільки зафіксовані дані.",[6373,13189,13190],{},"Більшість веб-застосунків",[6358,13192,13193,13198,13201],{},[6373,13194,13195],{},[5110,13196,13197],{},"REPEATABLE READ",[6373,13199,13200],{},"Гарантує, що повторні SELECT у межах транзакції повертають ті самі рядки.",[6373,13202,13203],{},"Фінансові операції, звіти",[6358,13205,13206,13211,13214],{},[6373,13207,13208],{},[5110,13209,13210],{},"SERIALIZABLE",[6373,13212,13213],{},"Найсуворіший рівень. Емулює послідовне виконання транзакцій.",[6373,13215,13216],{},"Критичні операції (рідко використовується)",[5170,13218,13219],{},[5132,13220,13221],{},"Встановлення рівня ізоляції:",[5228,13223,13225],{"className":5758,"code":13224,"language":5761,"meta":5233,"style":5233},"await client.query('BEGIN TRANSACTION ISOLATION LEVEL REPEATABLE READ');\n",[5110,13226,13227],{"__ignoreMap":5233},[5237,13228,13229,13231,13233,13235,13237,13239,13242],{"class":5239,"line":5240},[5237,13230,5956],{"class":5768},[5237,13232,5814],{"class":5775},[5237,13234,5199],{"class":5623},[5237,13236,5963],{"class":5522},[5237,13238,5918],{"class":5623},[5237,13240,13241],{"class":5525},"'BEGIN TRANSACTION ISOLATION LEVEL REPEATABLE READ'",[5237,13243,5931],{"class":5623},[7739,13245,13246,13259],{},[7742,13247,13249,13250,13252,13253,13255,13256,5105],{"icon":7744,"label":13248},"❓ Що станеться, якщо мережа впаде під час транзакції?","Якщо TCP-з'єднання обривається до того, як клієнт встиг надіслати ",[5110,13251,12698],{},", PostgreSQL автоматично виконує ",[5110,13254,12701],{}," для всіх незафіксованих змін. Це гарантується протоколом БД. Проте важливо правильно обробляти мережеві помилки на стороні застосунку, щоб уникнути «напіввідкритих» транзакцій (",[5102,13257,13258],{},"half-open transactions",[7742,13260,13262,13276,13355],{"icon":7744,"label":13261},"❓ Чи можна вкладати транзакції одна в одну?",[5170,13263,13264,13265,13268,13269,5113,13272,13275],{},"PostgreSQL не підтримує справжні вкладені транзакції (",[5102,13266,13267],{},"nested transactions","), але надає механізм ",[5132,13270,13271],{},"savepoint",[5102,13273,13274],{},"точок збереження",") для часткового відкату:",[5228,13277,13279],{"className":5758,"code":13278,"language":5761,"meta":5233,"style":5233},"await client.query('BEGIN');\nawait client.query('SAVEPOINT my_savepoint');\n\u002F\u002F ... операції\nawait client.query('ROLLBACK TO SAVEPOINT my_savepoint'); \u002F\u002F Частковий відкат\nawait client.query('COMMIT');\n",[5110,13280,13281,13297,13314,13319,13339],{"__ignoreMap":5233},[5237,13282,13283,13285,13287,13289,13291,13293,13295],{"class":5239,"line":5240},[5237,13284,5956],{"class":5768},[5237,13286,5814],{"class":5775},[5237,13288,5199],{"class":5623},[5237,13290,5963],{"class":5522},[5237,13292,5918],{"class":5623},[5237,13294,10024],{"class":5525},[5237,13296,5931],{"class":5623},[5237,13298,13299,13301,13303,13305,13307,13309,13312],{"class":5239,"line":5246},[5237,13300,5956],{"class":5768},[5237,13302,5814],{"class":5775},[5237,13304,5199],{"class":5623},[5237,13306,5963],{"class":5522},[5237,13308,5918],{"class":5623},[5237,13310,13311],{"class":5525},"'SAVEPOINT my_savepoint'",[5237,13313,5931],{"class":5623},[5237,13315,13316],{"class":5239,"line":5252},[5237,13317,13318],{"class":5904},"\u002F\u002F ... операції\n",[5237,13320,13321,13323,13325,13327,13329,13331,13334,13336],{"class":5239,"line":5258},[5237,13322,5956],{"class":5768},[5237,13324,5814],{"class":5775},[5237,13326,5199],{"class":5623},[5237,13328,5963],{"class":5522},[5237,13330,5918],{"class":5623},[5237,13332,13333],{"class":5525},"'ROLLBACK TO SAVEPOINT my_savepoint'",[5237,13335,7711],{"class":5623},[5237,13337,13338],{"class":5904},"\u002F\u002F Частковий відкат\n",[5237,13340,13341,13343,13345,13347,13349,13351,13353],{"class":5239,"line":5264},[5237,13342,5956],{"class":5768},[5237,13344,5814],{"class":5775},[5237,13346,5199],{"class":5623},[5237,13348,5963],{"class":5522},[5237,13350,5918],{"class":5623},[5237,13352,10146],{"class":5525},[5237,13354,5931],{"class":5623},[5170,13356,13357],{},"Це корисно для складних бізнес-логік, де потрібно відкотити частину операцій без скасування всієї транзакції.",[5162,13359],{},[5165,13361,13363],{"id":13362},"обробка-помилок","Обробка помилок",[5405,13365,13367],{"id":13366},"try-catch-блоки-для-асинхронних-запитів","Try-catch блоки для асинхронних запитів",[5170,13369,13370,13371,13374],{},"Будь-яка операція з базою даних може завершитися помилкою: мережевий збій, порушення обмежень (",[5102,13372,13373],{},"constraint violation","), таймаут. Критично важливо обробляти ці помилки, щоб уникнути падіння застосунку.",[5228,13376,13379],{"className":5758,"code":13377,"filename":13378,"language":5761,"meta":5233,"style":5233},"import { DatabaseError } from 'pg';\n\nasync function createUserSafely(email: string, name: string) {\n  try {\n    const query = 'INSERT INTO users (email, name) VALUES ($1, $2) RETURNING id';\n    const result = await pool.query(query, [email, name]);\n    return result.rows[0];\n    \n  } catch (error) {\n    if (error instanceof DatabaseError) {\n      \u002F\u002F Обробка специфічних помилок PostgreSQL\n      switch (error.code) {\n        case '23505': \u002F\u002F unique_violation\n          throw new Error(`Email ${email} вже зареєстрований`);\n          \n        case '23502': \u002F\u002F not_null_violation\n          throw new Error(`Пропущено обов'язкове поле: ${error.column}`);\n          \n        case '23503': \u002F\u002F foreign_key_violation\n          throw new Error(`Порушення FK: ${error.detail}`);\n          \n        default:\n          console.error('Database error:', error.code, error.message);\n          throw error;\n      }\n    }\n    \n    \u002F\u002F Мережеві або інші помилки\n    console.error('Unexpected error:', error);\n    throw error;\n  }\n}\n","error-handling-advanced.ts",[5110,13380,13381,13398,13402,13429,13435,13448,13478,13494,13498,13510,13525,13530,13545,13558,13583,13588,13600,13628,13632,13644,13672,13676,13684,13716,13724,13728,13732,13736,13741,13760,13768,13772],{"__ignoreMap":5233},[5237,13382,13383,13385,13387,13390,13392,13394,13396],{"class":5239,"line":5240},[5237,13384,5769],{"class":5768},[5237,13386,5772],{"class":5623},[5237,13388,13389],{"class":5775},"DatabaseError",[5237,13391,5778],{"class":5623},[5237,13393,5781],{"class":5768},[5237,13395,5784],{"class":5525},[5237,13397,5787],{"class":5623},[5237,13399,13400],{"class":5239,"line":5246},[5237,13401,5268],{"emptyLinePlaceholder":5267},[5237,13403,13404,13406,13408,13411,13413,13415,13417,13419,13421,13423,13425,13427],{"class":5239,"line":5252},[5237,13405,5796],{"class":5538},[5237,13407,5799],{"class":5538},[5237,13409,13410],{"class":5522}," createUserSafely",[5237,13412,5918],{"class":5623},[5237,13414,8117],{"class":5775},[5237,13416,5469],{"class":5623},[5237,13418,6849],{"class":6682},[5237,13420,5473],{"class":5623},[5237,13422,8649],{"class":5775},[5237,13424,5469],{"class":5623},[5237,13426,6849],{"class":6682},[5237,13428,7499],{"class":5623},[5237,13430,13431,13433],{"class":5239,"line":5258},[5237,13432,5940],{"class":5768},[5237,13434,5943],{"class":5623},[5237,13436,13437,13439,13441,13443,13446],{"class":5239,"line":5264},[5237,13438,5948],{"class":5538},[5237,13440,8314],{"class":5813},[5237,13442,5817],{"class":5623},[5237,13444,13445],{"class":5525},"'INSERT INTO users (email, name) VALUES ($1, $2) RETURNING id'",[5237,13447,5787],{"class":5623},[5237,13449,13450,13452,13454,13456,13458,13460,13462,13464,13466,13468,13470,13472,13474,13476],{"class":5239,"line":5271},[5237,13451,5948],{"class":5538},[5237,13453,5951],{"class":5813},[5237,13455,5817],{"class":5623},[5237,13457,5956],{"class":5768},[5237,13459,6124],{"class":5775},[5237,13461,5199],{"class":5623},[5237,13463,5963],{"class":5522},[5237,13465,5918],{"class":5623},[5237,13467,5963],{"class":5775},[5237,13469,11118],{"class":5623},[5237,13471,8117],{"class":5775},[5237,13473,5473],{"class":5623},[5237,13475,8649],{"class":5775},[5237,13477,11127],{"class":5623},[5237,13479,13480,13482,13484,13486,13488,13490,13492],{"class":5239,"line":5277},[5237,13481,8553],{"class":5768},[5237,13483,5951],{"class":5775},[5237,13485,5199],{"class":5623},[5237,13487,5994],{"class":5775},[5237,13489,5997],{"class":5623},[5237,13491,6000],{"class":5844},[5237,13493,8479],{"class":5623},[5237,13495,13496],{"class":5239,"line":5283},[5237,13497,7378],{"class":5623},[5237,13499,13500,13502,13504,13506,13508],{"class":5239,"line":5289},[5237,13501,6013],{"class":5623},[5237,13503,7491],{"class":5768},[5237,13505,5113],{"class":5623},[5237,13507,7496],{"class":5775},[5237,13509,7499],{"class":5623},[5237,13511,13512,13514,13516,13518,13520,13523],{"class":5239,"line":5295},[5237,13513,7504],{"class":5768},[5237,13515,5113],{"class":5623},[5237,13517,7496],{"class":5775},[5237,13519,7511],{"class":5538},[5237,13521,13522],{"class":6682}," DatabaseError",[5237,13524,7499],{"class":5623},[5237,13526,13527],{"class":5239,"line":5300},[5237,13528,13529],{"class":5904},"      \u002F\u002F Обробка специфічних помилок PostgreSQL\n",[5237,13531,13532,13535,13537,13539,13541,13543],{"class":5239,"line":5306},[5237,13533,13534],{"class":5768},"      switch",[5237,13536,5113],{"class":5623},[5237,13538,7496],{"class":5775},[5237,13540,5199],{"class":5623},[5237,13542,5110],{"class":5775},[5237,13544,7499],{"class":5623},[5237,13546,13547,13550,13553,13555],{"class":5239,"line":5312},[5237,13548,13549],{"class":5768},"        case",[5237,13551,13552],{"class":5525}," '23505'",[5237,13554,5469],{"class":5623},[5237,13556,13557],{"class":5904},"\u002F\u002F unique_violation\n",[5237,13559,13560,13563,13565,13567,13569,13572,13574,13576,13578,13581],{"class":5239,"line":5318},[5237,13561,13562],{"class":5768},"          throw",[5237,13564,8976],{"class":5538},[5237,13566,7514],{"class":5522},[5237,13568,5918],{"class":5623},[5237,13570,13571],{"class":5525},"`Email ",[5237,13573,8094],{"class":5538},[5237,13575,8117],{"class":5775},[5237,13577,8105],{"class":5538},[5237,13579,13580],{"class":5525}," вже зареєстрований`",[5237,13582,5931],{"class":5623},[5237,13584,13585],{"class":5239,"line":5324},[5237,13586,13587],{"class":5623},"          \n",[5237,13589,13590,13592,13595,13597],{"class":5239,"line":5330},[5237,13591,13549],{"class":5768},[5237,13593,13594],{"class":5525}," '23502'",[5237,13596,5469],{"class":5623},[5237,13598,13599],{"class":5904},"\u002F\u002F not_null_violation\n",[5237,13601,13602,13604,13606,13608,13610,13613,13615,13617,13619,13622,13624,13626],{"class":5239,"line":5336},[5237,13603,13562],{"class":5768},[5237,13605,8976],{"class":5538},[5237,13607,7514],{"class":5522},[5237,13609,5918],{"class":5623},[5237,13611,13612],{"class":5525},"`Пропущено обов'язкове поле: ",[5237,13614,8094],{"class":5538},[5237,13616,7496],{"class":5775},[5237,13618,5199],{"class":8099},[5237,13620,13621],{"class":5775},"column",[5237,13623,8105],{"class":5538},[5237,13625,8122],{"class":5525},[5237,13627,5931],{"class":5623},[5237,13629,13630],{"class":5239,"line":5342},[5237,13631,13587],{"class":5623},[5237,13633,13634,13636,13639,13641],{"class":5239,"line":5347},[5237,13635,13549],{"class":5768},[5237,13637,13638],{"class":5525}," '23503'",[5237,13640,5469],{"class":5623},[5237,13642,13643],{"class":5904},"\u002F\u002F foreign_key_violation\n",[5237,13645,13646,13648,13650,13652,13654,13657,13659,13661,13663,13666,13668,13670],{"class":5239,"line":5353},[5237,13647,13562],{"class":5768},[5237,13649,8976],{"class":5538},[5237,13651,7514],{"class":5522},[5237,13653,5918],{"class":5623},[5237,13655,13656],{"class":5525},"`Порушення FK: ",[5237,13658,8094],{"class":5538},[5237,13660,7496],{"class":5775},[5237,13662,5199],{"class":8099},[5237,13664,13665],{"class":5775},"detail",[5237,13667,8105],{"class":5538},[5237,13669,8122],{"class":5525},[5237,13671,5931],{"class":5623},[5237,13673,13674],{"class":5239,"line":5359},[5237,13675,13587],{"class":5623},[5237,13677,13678,13681],{"class":5239,"line":5365},[5237,13679,13680],{"class":5768},"        default",[5237,13682,13683],{"class":5623},":\n",[5237,13685,13686,13689,13691,13693,13695,13698,13700,13702,13704,13706,13708,13710,13712,13714],{"class":5239,"line":5371},[5237,13687,13688],{"class":5775},"          console",[5237,13690,5199],{"class":5623},[5237,13692,7496],{"class":5522},[5237,13694,5918],{"class":5623},[5237,13696,13697],{"class":5525},"'Database error:'",[5237,13699,5473],{"class":5623},[5237,13701,7496],{"class":5775},[5237,13703,5199],{"class":5623},[5237,13705,5110],{"class":5775},[5237,13707,5473],{"class":5623},[5237,13709,7496],{"class":5775},[5237,13711,5199],{"class":5623},[5237,13713,7539],{"class":5775},[5237,13715,5931],{"class":5623},[5237,13717,13718,13720,13722],{"class":5239,"line":5377},[5237,13719,13562],{"class":5768},[5237,13721,10229],{"class":5775},[5237,13723,5787],{"class":5623},[5237,13725,13726],{"class":5239,"line":5383},[5237,13727,7686],{"class":5623},[5237,13729,13730],{"class":5239,"line":5389},[5237,13731,7692],{"class":5623},[5237,13733,13734],{"class":5239,"line":5394},[5237,13735,7378],{"class":5623},[5237,13737,13738],{"class":5239,"line":7683},[5237,13739,13740],{"class":5904},"    \u002F\u002F Мережеві або інші помилки\n",[5237,13742,13743,13745,13747,13749,13751,13754,13756,13758],{"class":5239,"line":7689},[5237,13744,5975],{"class":5775},[5237,13746,5199],{"class":5623},[5237,13748,7496],{"class":5522},[5237,13750,5918],{"class":5623},[5237,13752,13753],{"class":5525},"'Unexpected error:'",[5237,13755,5473],{"class":5623},[5237,13757,7496],{"class":5775},[5237,13759,5931],{"class":5623},[5237,13761,13762,13764,13766],{"class":5239,"line":7695},[5237,13763,10226],{"class":5768},[5237,13765,10229],{"class":5775},[5237,13767,5787],{"class":5623},[5237,13769,13770],{"class":5239,"line":7717},[5237,13771,5719],{"class":5623},[5237,13773,13774],{"class":5239,"line":7722},[5237,13775,5724],{"class":5623},[5405,13777,13779],{"id":13778},"типи-помилок-postgresql","Типи помилок PostgreSQL",[5170,13781,13782,13783,13786],{},"PostgreSQL повертає коди помилок у форматі ",[5110,13784,13785],{},"SQLSTATE"," (5-символьний код). Найпоширеніші:",[6352,13788,13789,13801],{},[6355,13790,13791],{},[6358,13792,13793,13796,13799],{},[6361,13794,13795],{},"Код",[6361,13797,13798],{},"Назва",[6361,13800,6944],{},[6368,13802,13803,13818,13833,13848,13863,13878,13896,13911],{},[6358,13804,13805,13810,13815],{},[6373,13806,13807],{},[5110,13808,13809],{},"23505",[6373,13811,13812],{},[5110,13813,13814],{},"unique_violation",[6373,13816,13817],{},"Порушення обмеження унікальності (UNIQUE)",[6358,13819,13820,13825,13830],{},[6373,13821,13822],{},[5110,13823,13824],{},"23502",[6373,13826,13827],{},[5110,13828,13829],{},"not_null_violation",[6373,13831,13832],{},"Спроба вставити NULL у NOT NULL колонку",[6358,13834,13835,13840,13845],{},[6373,13836,13837],{},[5110,13838,13839],{},"23503",[6373,13841,13842],{},[5110,13843,13844],{},"foreign_key_violation",[6373,13846,13847],{},"Порушення зовнішнього ключа (FK)",[6358,13849,13850,13855,13860],{},[6373,13851,13852],{},[5110,13853,13854],{},"42P01",[6373,13856,13857],{},[5110,13858,13859],{},"undefined_table",[6373,13861,13862],{},"Таблиця не існує",[6358,13864,13865,13870,13875],{},[6373,13866,13867],{},[5110,13868,13869],{},"42703",[6373,13871,13872],{},[5110,13873,13874],{},"undefined_column",[6373,13876,13877],{},"Колонка не існує",[6358,13879,13880,13885,13890],{},[6373,13881,13882],{},[5110,13883,13884],{},"57014",[6373,13886,13887],{},[5110,13888,13889],{},"query_canceled",[6373,13891,13892,13893,13175],{},"Запит було скасовано (таймаут або ",[5110,13894,13895],{},"pg_cancel_backend",[6358,13897,13898,13903,13908],{},[6373,13899,13900],{},[5110,13901,13902],{},"08006",[6373,13904,13905],{},[5110,13906,13907],{},"connection_failure",[6373,13909,13910],{},"Обрив з'єднання з БД",[6358,13912,13913,13918,13923],{},[6373,13914,13915],{},[5110,13916,13917],{},"53300",[6373,13919,13920],{},[5110,13921,13922],{},"too_many_connections",[6373,13924,13925],{},"Вичерпано ліміт одночасних з'єднань",[5488,13927,13928,13929,5199],{},"Повний список кодів помилок доступний у офіційній документації PostgreSQL: ",[13930,13931,13935],"a",{"href":13932,"rel":13933},"https:\u002F\u002Fwww.postgresql.org\u002Fdocs\u002Fcurrent\u002Ferrcodes-appendix.html",[13934],"nofollow","Appendix A. PostgreSQL Error Codes",[5405,13937,13939],{"id":13938},"graceful-shutdown-та-закриття-зєднань","Graceful shutdown та закриття з'єднань",[5170,13941,13942],{},"При зупинці застосунку важливо коректно завершити всі активні з'єднання, щоб уникнути втрати даних або пошкодження стану БД. Розглянемо повний приклад із обробкою сигналів завершення:",[5228,13944,13947],{"className":5758,"code":13945,"filename":13946,"language":5761,"meta":5233,"style":5233},"import { Pool } from 'pg';\nimport * as http from 'http';\n\nconst pool = new Pool({ connectionString: process.env.DATABASE_URL });\nconst server = http.createServer(async (req, res) => {\n  try {\n    const result = await pool.query('SELECT NOW()');\n    res.writeHead(200, { 'Content-Type': 'application\u002Fjson' });\n    res.end(JSON.stringify({ time: result.rows[0].now }));\n  } catch (error) {\n    res.writeHead(500);\n    res.end('Database error');\n  }\n});\n\nserver.listen(3000, () => {\n  console.log('Server running on http:\u002F\u002Flocalhost:3000');\n});\n\n\u002F\u002F Graceful shutdown\nasync function shutdown(signal: string) {\n  console.log(`\\nОтримано сигнал ${signal}, починаємо graceful shutdown...`);\n  \n  \u002F\u002F 1. Зупиняємо прийом нових HTTP-запитів\n  server.close(() => {\n    console.log('HTTP-сервер зупинено');\n  });\n  \n  \u002F\u002F 2. Чекаємо завершення активних запитів до БД та закриваємо пул\n  try {\n    await pool.end();\n    console.log('Пул з\\'єднань закрито');\n  } catch (error) {\n    console.error('Помилка при закритті пулу:', error);\n  }\n  \n  process.exit(0);\n}\n\nprocess.on('SIGTERM', () => shutdown('SIGTERM'));\nprocess.on('SIGINT', () => shutdown('SIGINT'));\n","shutdown.ts",[5110,13948,13949,13965,13983,13987,14015,14050,14056,14078,14105,14145,14157,14171,14186,14190,14194,14198,14220,14235,14239,14243,14248,14268,14297,14301,14306,14322,14337,14341,14345,14350,14356,14368,14388,14400,14419,14423,14427,14442,14447,14452,14478],{"__ignoreMap":5233},[5237,13950,13951,13953,13955,13957,13959,13961,13963],{"class":5239,"line":5240},[5237,13952,5769],{"class":5768},[5237,13954,5772],{"class":5623},[5237,13956,5735],{"class":5775},[5237,13958,5778],{"class":5623},[5237,13960,5781],{"class":5768},[5237,13962,5784],{"class":5525},[5237,13964,5787],{"class":5623},[5237,13966,13967,13969,13971,13973,13976,13978,13981],{"class":5239,"line":5246},[5237,13968,5769],{"class":5768},[5237,13970,7043],{"class":5538},[5237,13972,7046],{"class":5768},[5237,13974,13975],{"class":5775}," http",[5237,13977,7052],{"class":5768},[5237,13979,13980],{"class":5525}," 'http'",[5237,13982,5787],{"class":5623},[5237,13984,13985],{"class":5239,"line":5252},[5237,13986,5268],{"emptyLinePlaceholder":5267},[5237,13988,13989,13991,13993,13995,13997,13999,14001,14003,14005,14007,14009,14011,14013],{"class":5239,"line":5258},[5237,13990,6121],{"class":5538},[5237,13992,6124],{"class":5813},[5237,13994,5817],{"class":5623},[5237,13996,5820],{"class":5538},[5237,13998,6131],{"class":5522},[5237,14000,7970],{"class":5623},[5237,14002,7973],{"class":5775},[5237,14004,6574],{"class":5775},[5237,14006,5199],{"class":5623},[5237,14008,6579],{"class":5775},[5237,14010,5199],{"class":5623},[5237,14012,6584],{"class":5813},[5237,14014,7986],{"class":5623},[5237,14016,14017,14019,14022,14024,14027,14029,14032,14034,14036,14038,14040,14042,14044,14046,14048],{"class":5239,"line":5264},[5237,14018,6121],{"class":5538},[5237,14020,14021],{"class":5813}," server",[5237,14023,5817],{"class":5623},[5237,14025,14026],{"class":5775},"http",[5237,14028,5199],{"class":5623},[5237,14030,14031],{"class":5522},"createServer",[5237,14033,5918],{"class":5623},[5237,14035,5796],{"class":5538},[5237,14037,5113],{"class":5623},[5237,14039,10842],{"class":5775},[5237,14041,5473],{"class":5623},[5237,14043,10847],{"class":5775},[5237,14045,9659],{"class":5623},[5237,14047,9662],{"class":5538},[5237,14049,5943],{"class":5623},[5237,14051,14052,14054],{"class":5239,"line":5271},[5237,14053,5940],{"class":5768},[5237,14055,5943],{"class":5623},[5237,14057,14058,14060,14062,14064,14066,14068,14070,14072,14074,14076],{"class":5239,"line":5277},[5237,14059,5948],{"class":5538},[5237,14061,5951],{"class":5813},[5237,14063,5817],{"class":5623},[5237,14065,5956],{"class":5768},[5237,14067,6124],{"class":5775},[5237,14069,5199],{"class":5623},[5237,14071,5963],{"class":5522},[5237,14073,5918],{"class":5623},[5237,14075,5968],{"class":5525},[5237,14077,5931],{"class":5623},[5237,14079,14080,14083,14085,14088,14090,14092,14095,14098,14100,14103],{"class":5239,"line":5283},[5237,14081,14082],{"class":5775},"    res",[5237,14084,5199],{"class":5623},[5237,14086,14087],{"class":5522},"writeHead",[5237,14089,5918],{"class":5623},[5237,14091,10893],{"class":5844},[5237,14093,14094],{"class":5623},", { ",[5237,14096,14097],{"class":5525},"'Content-Type'",[5237,14099,8151],{"class":5775},[5237,14101,14102],{"class":5525}," 'application\u002Fjson'",[5237,14104,7986],{"class":5623},[5237,14106,14107,14109,14111,14113,14115,14118,14120,14123,14125,14128,14130,14132,14134,14136,14138,14140,14142],{"class":5239,"line":5289},[5237,14108,14082],{"class":5775},[5237,14110,5199],{"class":5623},[5237,14112,6030],{"class":5522},[5237,14114,5918],{"class":5623},[5237,14116,14117],{"class":5813},"JSON",[5237,14119,5199],{"class":5623},[5237,14121,14122],{"class":5522},"stringify",[5237,14124,7970],{"class":5623},[5237,14126,14127],{"class":5775},"time:",[5237,14129,5951],{"class":5775},[5237,14131,5199],{"class":5623},[5237,14133,5994],{"class":5775},[5237,14135,5997],{"class":5623},[5237,14137,6000],{"class":5844},[5237,14139,6003],{"class":5623},[5237,14141,6006],{"class":5775},[5237,14143,14144],{"class":5623}," }));\n",[5237,14146,14147,14149,14151,14153,14155],{"class":5239,"line":5295},[5237,14148,6013],{"class":5623},[5237,14150,7491],{"class":5768},[5237,14152,5113],{"class":5623},[5237,14154,7496],{"class":5775},[5237,14156,7499],{"class":5623},[5237,14158,14159,14161,14163,14165,14167,14169],{"class":5239,"line":5300},[5237,14160,14082],{"class":5775},[5237,14162,5199],{"class":5623},[5237,14164,14087],{"class":5522},[5237,14166,5918],{"class":5623},[5237,14168,13121],{"class":5844},[5237,14170,5931],{"class":5623},[5237,14172,14173,14175,14177,14179,14181,14184],{"class":5239,"line":5306},[5237,14174,14082],{"class":5775},[5237,14176,5199],{"class":5623},[5237,14178,6030],{"class":5522},[5237,14180,5918],{"class":5623},[5237,14182,14183],{"class":5525},"'Database error'",[5237,14185,5931],{"class":5623},[5237,14187,14188],{"class":5239,"line":5312},[5237,14189,5719],{"class":5623},[5237,14191,14192],{"class":5239,"line":5318},[5237,14193,6222],{"class":5623},[5237,14195,14196],{"class":5239,"line":5324},[5237,14197,5268],{"emptyLinePlaceholder":5267},[5237,14199,14200,14203,14205,14208,14210,14213,14216,14218],{"class":5239,"line":5330},[5237,14201,14202],{"class":5775},"server",[5237,14204,5199],{"class":5623},[5237,14206,14207],{"class":5522},"listen",[5237,14209,5918],{"class":5623},[5237,14211,14212],{"class":5844},"3000",[5237,14214,14215],{"class":5623},", () ",[5237,14217,9662],{"class":5538},[5237,14219,5943],{"class":5623},[5237,14221,14222,14224,14226,14228,14230,14233],{"class":5239,"line":5336},[5237,14223,5910],{"class":5775},[5237,14225,5199],{"class":5623},[5237,14227,5915],{"class":5522},[5237,14229,5918],{"class":5623},[5237,14231,14232],{"class":5525},"'Server running on http:\u002F\u002Flocalhost:3000'",[5237,14234,5931],{"class":5623},[5237,14236,14237],{"class":5239,"line":5342},[5237,14238,6222],{"class":5623},[5237,14240,14241],{"class":5239,"line":5347},[5237,14242,5268],{"emptyLinePlaceholder":5267},[5237,14244,14245],{"class":5239,"line":5353},[5237,14246,14247],{"class":5904},"\u002F\u002F Graceful shutdown\n",[5237,14249,14250,14252,14254,14257,14259,14262,14264,14266],{"class":5239,"line":5359},[5237,14251,5796],{"class":5538},[5237,14253,5799],{"class":5538},[5237,14255,14256],{"class":5522}," shutdown",[5237,14258,5918],{"class":5623},[5237,14260,14261],{"class":5775},"signal",[5237,14263,5469],{"class":5623},[5237,14265,6849],{"class":6682},[5237,14267,7499],{"class":5623},[5237,14269,14270,14272,14274,14276,14278,14280,14283,14286,14288,14290,14292,14295],{"class":5239,"line":5365},[5237,14271,5910],{"class":5775},[5237,14273,5199],{"class":5623},[5237,14275,5915],{"class":5522},[5237,14277,5918],{"class":5623},[5237,14279,8122],{"class":5525},[5237,14281,14282],{"class":5924},"\\n",[5237,14284,14285],{"class":5525},"Отримано сигнал ",[5237,14287,8094],{"class":5538},[5237,14289,14261],{"class":5775},[5237,14291,8105],{"class":5538},[5237,14293,14294],{"class":5525},", починаємо graceful shutdown...`",[5237,14296,5931],{"class":5623},[5237,14298,14299],{"class":5239,"line":5371},[5237,14300,6751],{"class":5623},[5237,14302,14303],{"class":5239,"line":5377},[5237,14304,14305],{"class":5904},"  \u002F\u002F 1. Зупиняємо прийом нових HTTP-запитів\n",[5237,14307,14308,14311,14313,14316,14318,14320],{"class":5239,"line":5383},[5237,14309,14310],{"class":5775},"  server",[5237,14312,5199],{"class":5623},[5237,14314,14315],{"class":5522},"close",[5237,14317,10566],{"class":5623},[5237,14319,9662],{"class":5538},[5237,14321,5943],{"class":5623},[5237,14323,14324,14326,14328,14330,14332,14335],{"class":5239,"line":5389},[5237,14325,5975],{"class":5775},[5237,14327,5199],{"class":5623},[5237,14329,5915],{"class":5522},[5237,14331,5918],{"class":5623},[5237,14333,14334],{"class":5525},"'HTTP-сервер зупинено'",[5237,14336,5931],{"class":5623},[5237,14338,14339],{"class":5239,"line":5394},[5237,14340,5882],{"class":5623},[5237,14342,14343],{"class":5239,"line":7683},[5237,14344,6751],{"class":5623},[5237,14346,14347],{"class":5239,"line":7689},[5237,14348,14349],{"class":5904},"  \u002F\u002F 2. Чекаємо завершення активних запитів до БД та закриваємо пул\n",[5237,14351,14352,14354],{"class":5239,"line":7695},[5237,14353,5940],{"class":5768},[5237,14355,5943],{"class":5623},[5237,14357,14358,14360,14362,14364,14366],{"class":5239,"line":7717},[5237,14359,6023],{"class":5768},[5237,14361,6124],{"class":5775},[5237,14363,5199],{"class":5623},[5237,14365,6030],{"class":5522},[5237,14367,6055],{"class":5623},[5237,14369,14370,14372,14374,14376,14378,14381,14383,14386],{"class":5239,"line":7722},[5237,14371,5975],{"class":5775},[5237,14373,5199],{"class":5623},[5237,14375,5915],{"class":5522},[5237,14377,5918],{"class":5623},[5237,14379,14380],{"class":5525},"'Пул з",[5237,14382,5925],{"class":5924},[5237,14384,14385],{"class":5525},"єднань закрито'",[5237,14387,5931],{"class":5623},[5237,14389,14390,14392,14394,14396,14398],{"class":5239,"line":7727},[5237,14391,6013],{"class":5623},[5237,14393,7491],{"class":5768},[5237,14395,5113],{"class":5623},[5237,14397,7496],{"class":5775},[5237,14399,7499],{"class":5623},[5237,14401,14402,14404,14406,14408,14410,14413,14415,14417],{"class":5239,"line":7732},[5237,14403,5975],{"class":5775},[5237,14405,5199],{"class":5623},[5237,14407,7496],{"class":5522},[5237,14409,5918],{"class":5623},[5237,14411,14412],{"class":5525},"'Помилка при закритті пулу:'",[5237,14414,5473],{"class":5623},[5237,14416,7496],{"class":5775},[5237,14418,5931],{"class":5623},[5237,14420,14421],{"class":5239,"line":10271},[5237,14422,5719],{"class":5623},[5237,14424,14425],{"class":5239,"line":13104},[5237,14426,6751],{"class":5623},[5237,14428,14430,14432,14434,14436,14438,14440],{"class":5239,"line":14429},37,[5237,14431,10442],{"class":5775},[5237,14433,5199],{"class":5623},[5237,14435,7703],{"class":5522},[5237,14437,5918],{"class":5623},[5237,14439,6000],{"class":5844},[5237,14441,5931],{"class":5623},[5237,14443,14445],{"class":5239,"line":14444},38,[5237,14446,5724],{"class":5623},[5237,14448,14450],{"class":5239,"line":14449},39,[5237,14451,5268],{"emptyLinePlaceholder":5267},[5237,14453,14455,14457,14459,14461,14463,14465,14467,14469,14471,14473,14475],{"class":5239,"line":14454},40,[5237,14456,10366],{"class":5775},[5237,14458,5199],{"class":5623},[5237,14460,10371],{"class":5522},[5237,14462,5918],{"class":5623},[5237,14464,10376],{"class":5525},[5237,14466,14215],{"class":5623},[5237,14468,9662],{"class":5538},[5237,14470,14256],{"class":5522},[5237,14472,5918],{"class":5623},[5237,14474,10376],{"class":5525},[5237,14476,14477],{"class":5623},"));\n",[5237,14479,14481,14483,14485,14487,14489,14491,14493,14495,14497,14499,14501],{"class":5239,"line":14480},41,[5237,14482,10366],{"class":5775},[5237,14484,5199],{"class":5623},[5237,14486,10371],{"class":5522},[5237,14488,5918],{"class":5623},[5237,14490,10473],{"class":5525},[5237,14492,14215],{"class":5623},[5237,14494,9662],{"class":5538},[5237,14496,14256],{"class":5522},[5237,14498,5918],{"class":5623},[5237,14500,10473],{"class":5525},[5237,14502,14477],{"class":5623},[5216,14504,14505,14506,14509,14510,14513,14514,14517],{},"У Kubernetes або Docker-середовищах сигнал ",[5110,14507,14508],{},"SIGTERM"," надсилається перед force-kill (",[5110,14511,14512],{},"SIGKILL","). Якщо ваш застосунок не встигає завершити graceful shutdown за 30 секунд (за замовчуванням), контейнер буде примусово зупинено. Налаштуйте ",[5110,14515,14516],{},"terminationGracePeriodSeconds"," у Pod-специфікації, якщо потрібен більший таймаут.",[5162,14519],{},[5165,14521,14523],{"id":14522},"практичні-приклади","Практичні приклади",[5405,14525,14527],{"id":14526},"створення-простого-crud-сервісу","Створення простого CRUD сервісу",[5170,14529,14530],{},"Зведемо всі набуті знання у повноцінний модуль для керування користувачами:",[5228,14532,14535],{"className":5758,"code":14533,"filename":14534,"language":5761,"meta":5233,"style":5233},"import { Pool, PoolClient } from 'pg';\n\ninterface User {\n  id: number;\n  email: string;\n  name: string;\n  created_at: Date;\n  updated_at: Date;\n}\n\ninterface CreateUserDto {\n  email: string;\n  name: string;\n}\n\ninterface UpdateUserDto {\n  name?: string;\n  email?: string;\n}\n\nexport class UserService {\n  constructor(private pool: Pool) {}\n\n  async create(dto: CreateUserDto): Promise\u003CUser> {\n    const query = `\n      INSERT INTO users (email, name, created_at, updated_at)\n      VALUES ($1, $2, NOW(), NOW())\n      RETURNING id, email, name, created_at, updated_at\n    `;\n    \n    const result = await this.pool.query\u003CUser>(query, [dto.email, dto.name]);\n    return result.rows[0];\n  }\n\n  async findById(id: number): Promise\u003CUser | null> {\n    const query = 'SELECT * FROM users WHERE id = $1';\n    const result = await this.pool.query\u003CUser>(query, [id]);\n    return result.rows[0] || null;\n  }\n\n  async findByEmail(email: string): Promise\u003CUser | null> {\n    const query = 'SELECT * FROM users WHERE email = $1';\n    const result = await this.pool.query\u003CUser>(query, [email]);\n    return result.rows[0] || null;\n  }\n\n  async findAll(limit = 100, offset = 0): Promise\u003CUser[]> {\n    const query = `\n      SELECT * FROM users\n      ORDER BY created_at DESC\n      LIMIT $1 OFFSET $2\n    `;\n    const result = await this.pool.query\u003CUser>(query, [limit, offset]);\n    return result.rows;\n  }\n\n  async update(id: number, dto: UpdateUserDto): Promise\u003CUser | null> {\n    const fields: string[] = [];\n    const values: any[] = [];\n    let paramIndex = 1;\n\n    if (dto.name !== undefined) {\n      fields.push(`name = $${paramIndex++}`);\n      values.push(dto.name);\n    }\n\n    if (dto.email !== undefined) {\n      fields.push(`email = $${paramIndex++}`);\n      values.push(dto.email);\n    }\n\n    if (fields.length === 0) {\n      return this.findById(id); \u002F\u002F Нічого не змінено\n    }\n\n    fields.push(`updated_at = NOW()`);\n    values.push(id);\n\n    const query = `\n      UPDATE users\n      SET ${fields.join(', ')}\n      WHERE id = $${paramIndex}\n      RETURNING id, email, name, created_at, updated_at\n    `;\n\n    const result = await this.pool.query\u003CUser>(query, values);\n    return result.rows[0] || null;\n  }\n\n  async delete(id: number): Promise\u003Cboolean> {\n    const query = 'DELETE FROM users WHERE id = $1';\n    const result = await this.pool.query(query, [id]);\n    return result.rowCount > 0;\n  }\n\n  \u002F\u002F Приклад транзакції: переміщення користувача в архів\n  async archive(id: number): Promise\u003Cvoid> {\n    const client: PoolClient = await this.pool.connect();\n\n    try {\n      await client.query('BEGIN');\n\n      \u002F\u002F Копіюємо користувача в архівну таблицю\n      await client.query(`\n        INSERT INTO users_archive (id, email, name, created_at, archived_at)\n        SELECT id, email, name, created_at, NOW()\n        FROM users\n        WHERE id = $1\n      `, [id]);\n\n      \u002F\u002F Видаляємо з основної таблиці\n      await client.query('DELETE FROM users WHERE id = $1', [id]);\n\n      await client.query('COMMIT');\n      console.log(`Користувача ${id} переміщено в архів`);\n\n    } catch (error) {\n      await client.query('ROLLBACK');\n      console.error('Помилка архівування:', error);\n      throw error;\n\n    } finally {\n      client.release();\n    }\n  }\n}\n\n\u002F\u002F Використання:\nconst pool = new Pool({ connectionString: process.env.DATABASE_URL });\nconst userService = new UserService(pool);\n\n(async () => {\n  const user = await userService.create({\n    email: 'test@example.com',\n    name: 'Test User',\n  });\n\n  console.log('Створено:', user);\n\n  const found = await userService.findById(user.id);\n  console.log('Знайдено:', found);\n\n  await userService.update(user.id, { name: 'Updated Name' });\n  console.log('Оновлено');\n\n  await userService.archive(user.id);\n  console.log('Заархівовано');\n})();\n","user-service.ts",[5110,14536,14537,14557,14561,14569,14579,14589,14599,14609,14620,14624,14628,14637,14647,14657,14661,14665,14674,14685,14695,14699,14703,14716,14735,14739,14767,14777,14782,14787,14792,14799,14803,14850,14866,14870,14874,14903,14916,14950,14971,14975,14979,15008,15022,15057,15078,15083,15088,15123,15134,15140,15146,15152,15159,15198,15211,15216,15221,15260,15274,15287,15302,15307,15328,15357,15377,15382,15387,15406,15432,15451,15456,15461,15481,15503,15508,15513,15530,15545,15550,15561,15567,15589,15601,15606,15613,15618,15653,15674,15679,15684,15710,15723,15754,15771,15776,15781,15787,15813,15840,15845,15853,15871,15876,15882,15897,15903,15909,15915,15921,15933,15938,15944,15965,15970,15987,16012,16017,16031,16048,16068,16077,16082,16091,16103,16108,16113,16118,16123,16128,16157,16177,16182,16195,16215,16226,16237,16242,16247,16266,16271,16299,16320,16325,16354,16370,16375,16397,16413],{"__ignoreMap":5233},[5237,14538,14539,14541,14543,14545,14547,14549,14551,14553,14555],{"class":5239,"line":5240},[5237,14540,5769],{"class":5768},[5237,14542,5772],{"class":5623},[5237,14544,5735],{"class":5775},[5237,14546,5473],{"class":5623},[5237,14548,9898],{"class":5775},[5237,14550,5778],{"class":5623},[5237,14552,5781],{"class":5768},[5237,14554,5784],{"class":5525},[5237,14556,5787],{"class":5623},[5237,14558,14559],{"class":5239,"line":5246},[5237,14560,5268],{"emptyLinePlaceholder":5267},[5237,14562,14563,14565,14567],{"class":5239,"line":5252},[5237,14564,8161],{"class":5538},[5237,14566,9050],{"class":6682},[5237,14568,5943],{"class":5623},[5237,14570,14571,14573,14575,14577],{"class":5239,"line":5258},[5237,14572,9057],{"class":5775},[5237,14574,5469],{"class":5623},[5237,14576,6868],{"class":6682},[5237,14578,5787],{"class":5623},[5237,14580,14581,14583,14585,14587],{"class":5239,"line":5264},[5237,14582,9068],{"class":5775},[5237,14584,5469],{"class":5623},[5237,14586,6849],{"class":6682},[5237,14588,5787],{"class":5623},[5237,14590,14591,14593,14595,14597],{"class":5239,"line":5271},[5237,14592,10998],{"class":5775},[5237,14594,5469],{"class":5623},[5237,14596,6849],{"class":6682},[5237,14598,5787],{"class":5623},[5237,14600,14601,14603,14605,14607],{"class":5239,"line":5277},[5237,14602,9079],{"class":5775},[5237,14604,5469],{"class":5623},[5237,14606,9084],{"class":6682},[5237,14608,5787],{"class":5623},[5237,14610,14611,14614,14616,14618],{"class":5239,"line":5283},[5237,14612,14613],{"class":5775},"  updated_at",[5237,14615,5469],{"class":5623},[5237,14617,9084],{"class":6682},[5237,14619,5787],{"class":5623},[5237,14621,14622],{"class":5239,"line":5289},[5237,14623,5724],{"class":5623},[5237,14625,14626],{"class":5239,"line":5295},[5237,14627,5268],{"emptyLinePlaceholder":5267},[5237,14629,14630,14632,14635],{"class":5239,"line":5300},[5237,14631,8161],{"class":5538},[5237,14633,14634],{"class":6682}," CreateUserDto",[5237,14636,5943],{"class":5623},[5237,14638,14639,14641,14643,14645],{"class":5239,"line":5306},[5237,14640,9068],{"class":5775},[5237,14642,5469],{"class":5623},[5237,14644,6849],{"class":6682},[5237,14646,5787],{"class":5623},[5237,14648,14649,14651,14653,14655],{"class":5239,"line":5312},[5237,14650,10998],{"class":5775},[5237,14652,5469],{"class":5623},[5237,14654,6849],{"class":6682},[5237,14656,5787],{"class":5623},[5237,14658,14659],{"class":5239,"line":5318},[5237,14660,5724],{"class":5623},[5237,14662,14663],{"class":5239,"line":5324},[5237,14664,5268],{"emptyLinePlaceholder":5267},[5237,14666,14667,14669,14672],{"class":5239,"line":5330},[5237,14668,8161],{"class":5538},[5237,14670,14671],{"class":6682}," UpdateUserDto",[5237,14673,5943],{"class":5623},[5237,14675,14676,14678,14681,14683],{"class":5239,"line":5336},[5237,14677,10998],{"class":5775},[5237,14679,14680],{"class":5623},"?: ",[5237,14682,6849],{"class":6682},[5237,14684,5787],{"class":5623},[5237,14686,14687,14689,14691,14693],{"class":5239,"line":5342},[5237,14688,9068],{"class":5775},[5237,14690,14680],{"class":5623},[5237,14692,6849],{"class":6682},[5237,14694,5787],{"class":5623},[5237,14696,14697],{"class":5239,"line":5347},[5237,14698,5724],{"class":5623},[5237,14700,14701],{"class":5239,"line":5353},[5237,14702,5268],{"emptyLinePlaceholder":5267},[5237,14704,14705,14708,14711,14714],{"class":5239,"line":5359},[5237,14706,14707],{"class":5768},"export",[5237,14709,14710],{"class":5538}," class",[5237,14712,14713],{"class":6682}," UserService",[5237,14715,5943],{"class":5623},[5237,14717,14718,14721,14723,14726,14728,14730,14732],{"class":5239,"line":5365},[5237,14719,14720],{"class":5538},"  constructor",[5237,14722,5918],{"class":5623},[5237,14724,14725],{"class":5538},"private",[5237,14727,6124],{"class":5775},[5237,14729,5469],{"class":5623},[5237,14731,5735],{"class":6682},[5237,14733,14734],{"class":5623},") {}\n",[5237,14736,14737],{"class":5239,"line":5371},[5237,14738,5268],{"emptyLinePlaceholder":5267},[5237,14740,14741,14744,14747,14749,14752,14754,14757,14759,14761,14763,14765],{"class":5239,"line":5377},[5237,14742,14743],{"class":5538},"  async",[5237,14745,14746],{"class":5522}," create",[5237,14748,5918],{"class":5623},[5237,14750,14751],{"class":5775},"dto",[5237,14753,5469],{"class":5623},[5237,14755,14756],{"class":6682},"CreateUserDto",[5237,14758,9814],{"class":5623},[5237,14760,7912],{"class":6682},[5237,14762,8167],{"class":5623},[5237,14764,9141],{"class":6682},[5237,14766,8178],{"class":5623},[5237,14768,14769,14771,14773,14775],{"class":5239,"line":5383},[5237,14770,5948],{"class":5538},[5237,14772,8314],{"class":5813},[5237,14774,5817],{"class":5623},[5237,14776,8675],{"class":5525},[5237,14778,14779],{"class":5239,"line":5389},[5237,14780,14781],{"class":5525},"      INSERT INTO users (email, name, created_at, updated_at)\n",[5237,14783,14784],{"class":5239,"line":5394},[5237,14785,14786],{"class":5525},"      VALUES ($1, $2, NOW(), NOW())\n",[5237,14788,14789],{"class":5239,"line":7683},[5237,14790,14791],{"class":5525},"      RETURNING id, email, name, created_at, updated_at\n",[5237,14793,14794,14797],{"class":5239,"line":7689},[5237,14795,14796],{"class":5525},"    `",[5237,14798,5787],{"class":5623},[5237,14800,14801],{"class":5239,"line":7695},[5237,14802,7378],{"class":5623},[5237,14804,14805,14807,14809,14811,14813,14816,14818,14820,14822,14824,14826,14828,14830,14832,14834,14836,14838,14840,14842,14844,14846,14848],{"class":5239,"line":7717},[5237,14806,5948],{"class":5538},[5237,14808,5951],{"class":5813},[5237,14810,5817],{"class":5623},[5237,14812,5956],{"class":5768},[5237,14814,14815],{"class":5538}," this",[5237,14817,5199],{"class":5623},[5237,14819,7800],{"class":5775},[5237,14821,5199],{"class":5623},[5237,14823,5963],{"class":5522},[5237,14825,8167],{"class":5623},[5237,14827,9141],{"class":6682},[5237,14829,9167],{"class":5623},[5237,14831,5963],{"class":5775},[5237,14833,11118],{"class":5623},[5237,14835,14751],{"class":5775},[5237,14837,5199],{"class":5623},[5237,14839,8117],{"class":5775},[5237,14841,5473],{"class":5623},[5237,14843,14751],{"class":5775},[5237,14845,5199],{"class":5623},[5237,14847,8649],{"class":5775},[5237,14849,11127],{"class":5623},[5237,14851,14852,14854,14856,14858,14860,14862,14864],{"class":5239,"line":7722},[5237,14853,8553],{"class":5768},[5237,14855,5951],{"class":5775},[5237,14857,5199],{"class":5623},[5237,14859,5994],{"class":5775},[5237,14861,5997],{"class":5623},[5237,14863,6000],{"class":5844},[5237,14865,8479],{"class":5623},[5237,14867,14868],{"class":5239,"line":7727},[5237,14869,5719],{"class":5623},[5237,14871,14872],{"class":5239,"line":7732},[5237,14873,5268],{"emptyLinePlaceholder":5267},[5237,14875,14876,14878,14881,14883,14885,14887,14889,14891,14893,14895,14897,14899,14901],{"class":5239,"line":10271},[5237,14877,14743],{"class":5538},[5237,14879,14880],{"class":5522}," findById",[5237,14882,5918],{"class":5623},[5237,14884,8102],{"class":5775},[5237,14886,5469],{"class":5623},[5237,14888,6868],{"class":6682},[5237,14890,9814],{"class":5623},[5237,14892,7912],{"class":6682},[5237,14894,8167],{"class":5623},[5237,14896,9141],{"class":6682},[5237,14898,11843],{"class":5623},[5237,14900,11846],{"class":6682},[5237,14902,8178],{"class":5623},[5237,14904,14905,14907,14909,14911,14914],{"class":5239,"line":13104},[5237,14906,5948],{"class":5538},[5237,14908,8314],{"class":5813},[5237,14910,5817],{"class":5623},[5237,14912,14913],{"class":5525},"'SELECT * FROM users WHERE id = $1'",[5237,14915,5787],{"class":5623},[5237,14917,14918,14920,14922,14924,14926,14928,14930,14932,14934,14936,14938,14940,14942,14944,14946,14948],{"class":5239,"line":14429},[5237,14919,5948],{"class":5538},[5237,14921,5951],{"class":5813},[5237,14923,5817],{"class":5623},[5237,14925,5956],{"class":5768},[5237,14927,14815],{"class":5538},[5237,14929,5199],{"class":5623},[5237,14931,7800],{"class":5775},[5237,14933,5199],{"class":5623},[5237,14935,5963],{"class":5522},[5237,14937,8167],{"class":5623},[5237,14939,9141],{"class":6682},[5237,14941,9167],{"class":5623},[5237,14943,5963],{"class":5775},[5237,14945,11118],{"class":5623},[5237,14947,8102],{"class":5775},[5237,14949,11127],{"class":5623},[5237,14951,14952,14954,14956,14958,14960,14962,14964,14967,14969],{"class":5239,"line":14444},[5237,14953,8553],{"class":5768},[5237,14955,5951],{"class":5775},[5237,14957,5199],{"class":5623},[5237,14959,5994],{"class":5775},[5237,14961,5997],{"class":5623},[5237,14963,6000],{"class":5844},[5237,14965,14966],{"class":5623},"] || ",[5237,14968,11846],{"class":5538},[5237,14970,5787],{"class":5623},[5237,14972,14973],{"class":5239,"line":14449},[5237,14974,5719],{"class":5623},[5237,14976,14977],{"class":5239,"line":14454},[5237,14978,5268],{"emptyLinePlaceholder":5267},[5237,14980,14981,14983,14986,14988,14990,14992,14994,14996,14998,15000,15002,15004,15006],{"class":5239,"line":14480},[5237,14982,14743],{"class":5538},[5237,14984,14985],{"class":5522}," findByEmail",[5237,14987,5918],{"class":5623},[5237,14989,8117],{"class":5775},[5237,14991,5469],{"class":5623},[5237,14993,6849],{"class":6682},[5237,14995,9814],{"class":5623},[5237,14997,7912],{"class":6682},[5237,14999,8167],{"class":5623},[5237,15001,9141],{"class":6682},[5237,15003,11843],{"class":5623},[5237,15005,11846],{"class":6682},[5237,15007,8178],{"class":5623},[5237,15009,15011,15013,15015,15017,15020],{"class":5239,"line":15010},42,[5237,15012,5948],{"class":5538},[5237,15014,8314],{"class":5813},[5237,15016,5817],{"class":5623},[5237,15018,15019],{"class":5525},"'SELECT * FROM users WHERE email = $1'",[5237,15021,5787],{"class":5623},[5237,15023,15025,15027,15029,15031,15033,15035,15037,15039,15041,15043,15045,15047,15049,15051,15053,15055],{"class":5239,"line":15024},43,[5237,15026,5948],{"class":5538},[5237,15028,5951],{"class":5813},[5237,15030,5817],{"class":5623},[5237,15032,5956],{"class":5768},[5237,15034,14815],{"class":5538},[5237,15036,5199],{"class":5623},[5237,15038,7800],{"class":5775},[5237,15040,5199],{"class":5623},[5237,15042,5963],{"class":5522},[5237,15044,8167],{"class":5623},[5237,15046,9141],{"class":6682},[5237,15048,9167],{"class":5623},[5237,15050,5963],{"class":5775},[5237,15052,11118],{"class":5623},[5237,15054,8117],{"class":5775},[5237,15056,11127],{"class":5623},[5237,15058,15060,15062,15064,15066,15068,15070,15072,15074,15076],{"class":5239,"line":15059},44,[5237,15061,8553],{"class":5768},[5237,15063,5951],{"class":5775},[5237,15065,5199],{"class":5623},[5237,15067,5994],{"class":5775},[5237,15069,5997],{"class":5623},[5237,15071,6000],{"class":5844},[5237,15073,14966],{"class":5623},[5237,15075,11846],{"class":5538},[5237,15077,5787],{"class":5623},[5237,15079,15081],{"class":5239,"line":15080},45,[5237,15082,5719],{"class":5623},[5237,15084,15086],{"class":5239,"line":15085},46,[5237,15087,5268],{"emptyLinePlaceholder":5267},[5237,15089,15091,15093,15096,15098,15101,15103,15105,15107,15109,15111,15113,15115,15117,15119,15121],{"class":5239,"line":15090},47,[5237,15092,14743],{"class":5538},[5237,15094,15095],{"class":5522}," findAll",[5237,15097,5918],{"class":5623},[5237,15099,15100],{"class":5775},"limit",[5237,15102,5817],{"class":5623},[5237,15104,10068],{"class":5844},[5237,15106,5473],{"class":5623},[5237,15108,11361],{"class":5775},[5237,15110,5817],{"class":5623},[5237,15112,6000],{"class":5844},[5237,15114,9814],{"class":5623},[5237,15116,7912],{"class":6682},[5237,15118,8167],{"class":5623},[5237,15120,9141],{"class":6682},[5237,15122,9144],{"class":5623},[5237,15124,15126,15128,15130,15132],{"class":5239,"line":15125},48,[5237,15127,5948],{"class":5538},[5237,15129,8314],{"class":5813},[5237,15131,5817],{"class":5623},[5237,15133,8675],{"class":5525},[5237,15135,15137],{"class":5239,"line":15136},49,[5237,15138,15139],{"class":5525},"      SELECT * FROM users\n",[5237,15141,15143],{"class":5239,"line":15142},50,[5237,15144,15145],{"class":5525},"      ORDER BY created_at DESC\n",[5237,15147,15149],{"class":5239,"line":15148},51,[5237,15150,15151],{"class":5525},"      LIMIT $1 OFFSET $2\n",[5237,15153,15155,15157],{"class":5239,"line":15154},52,[5237,15156,14796],{"class":5525},[5237,15158,5787],{"class":5623},[5237,15160,15162,15164,15166,15168,15170,15172,15174,15176,15178,15180,15182,15184,15186,15188,15190,15192,15194,15196],{"class":5239,"line":15161},53,[5237,15163,5948],{"class":5538},[5237,15165,5951],{"class":5813},[5237,15167,5817],{"class":5623},[5237,15169,5956],{"class":5768},[5237,15171,14815],{"class":5538},[5237,15173,5199],{"class":5623},[5237,15175,7800],{"class":5775},[5237,15177,5199],{"class":5623},[5237,15179,5963],{"class":5522},[5237,15181,8167],{"class":5623},[5237,15183,9141],{"class":6682},[5237,15185,9167],{"class":5623},[5237,15187,5963],{"class":5775},[5237,15189,11118],{"class":5623},[5237,15191,15100],{"class":5775},[5237,15193,5473],{"class":5623},[5237,15195,11361],{"class":5775},[5237,15197,11127],{"class":5623},[5237,15199,15201,15203,15205,15207,15209],{"class":5239,"line":15200},54,[5237,15202,8553],{"class":5768},[5237,15204,5951],{"class":5775},[5237,15206,5199],{"class":5623},[5237,15208,5994],{"class":5775},[5237,15210,5787],{"class":5623},[5237,15212,15214],{"class":5239,"line":15213},55,[5237,15215,5719],{"class":5623},[5237,15217,15219],{"class":5239,"line":15218},56,[5237,15220,5268],{"emptyLinePlaceholder":5267},[5237,15222,15224,15226,15229,15231,15233,15235,15237,15239,15241,15243,15246,15248,15250,15252,15254,15256,15258],{"class":5239,"line":15223},57,[5237,15225,14743],{"class":5538},[5237,15227,15228],{"class":5522}," update",[5237,15230,5918],{"class":5623},[5237,15232,8102],{"class":5775},[5237,15234,5469],{"class":5623},[5237,15236,6868],{"class":6682},[5237,15238,5473],{"class":5623},[5237,15240,14751],{"class":5775},[5237,15242,5469],{"class":5623},[5237,15244,15245],{"class":6682},"UpdateUserDto",[5237,15247,9814],{"class":5623},[5237,15249,7912],{"class":6682},[5237,15251,8167],{"class":5623},[5237,15253,9141],{"class":6682},[5237,15255,11843],{"class":5623},[5237,15257,11846],{"class":6682},[5237,15259,8178],{"class":5623},[5237,15261,15263,15265,15268,15270,15272],{"class":5239,"line":15262},58,[5237,15264,5948],{"class":5538},[5237,15266,15267],{"class":5813}," fields",[5237,15269,5469],{"class":5623},[5237,15271,6849],{"class":6682},[5237,15273,11272],{"class":5623},[5237,15275,15277,15279,15281,15283,15285],{"class":5239,"line":15276},59,[5237,15278,5948],{"class":5538},[5237,15280,8471],{"class":5813},[5237,15282,5469],{"class":5623},[5237,15284,8175],{"class":6682},[5237,15286,11272],{"class":5623},[5237,15288,15290,15293,15296,15298,15300],{"class":5239,"line":15289},60,[5237,15291,15292],{"class":5538},"    let",[5237,15294,15295],{"class":5775}," paramIndex",[5237,15297,5817],{"class":5623},[5237,15299,7708],{"class":5844},[5237,15301,5787],{"class":5623},[5237,15303,15305],{"class":5239,"line":15304},61,[5237,15306,5268],{"emptyLinePlaceholder":5267},[5237,15308,15310,15312,15314,15316,15318,15320,15323,15326],{"class":5239,"line":15309},62,[5237,15311,7504],{"class":5768},[5237,15313,5113],{"class":5623},[5237,15315,14751],{"class":5775},[5237,15317,5199],{"class":5623},[5237,15319,8649],{"class":5775},[5237,15321,15322],{"class":5623}," !== ",[5237,15324,15325],{"class":5538},"undefined",[5237,15327,7499],{"class":5623},[5237,15329,15331,15334,15336,15338,15340,15343,15345,15348,15351,15353,15355],{"class":5239,"line":15330},63,[5237,15332,15333],{"class":5775},"      fields",[5237,15335,5199],{"class":5623},[5237,15337,11314],{"class":5522},[5237,15339,5918],{"class":5623},[5237,15341,15342],{"class":5525},"`name = $",[5237,15344,8094],{"class":5538},[5237,15346,15347],{"class":5775},"paramIndex",[5237,15349,15350],{"class":5623},"++",[5237,15352,8105],{"class":5538},[5237,15354,8122],{"class":5525},[5237,15356,5931],{"class":5623},[5237,15358,15360,15363,15365,15367,15369,15371,15373,15375],{"class":5239,"line":15359},64,[5237,15361,15362],{"class":5775},"      values",[5237,15364,5199],{"class":5623},[5237,15366,11314],{"class":5522},[5237,15368,5918],{"class":5623},[5237,15370,14751],{"class":5775},[5237,15372,5199],{"class":5623},[5237,15374,8649],{"class":5775},[5237,15376,5931],{"class":5623},[5237,15378,15380],{"class":5239,"line":15379},65,[5237,15381,7692],{"class":5623},[5237,15383,15385],{"class":5239,"line":15384},66,[5237,15386,5268],{"emptyLinePlaceholder":5267},[5237,15388,15390,15392,15394,15396,15398,15400,15402,15404],{"class":5239,"line":15389},67,[5237,15391,7504],{"class":5768},[5237,15393,5113],{"class":5623},[5237,15395,14751],{"class":5775},[5237,15397,5199],{"class":5623},[5237,15399,8117],{"class":5775},[5237,15401,15322],{"class":5623},[5237,15403,15325],{"class":5538},[5237,15405,7499],{"class":5623},[5237,15407,15409,15411,15413,15415,15417,15420,15422,15424,15426,15428,15430],{"class":5239,"line":15408},68,[5237,15410,15333],{"class":5775},[5237,15412,5199],{"class":5623},[5237,15414,11314],{"class":5522},[5237,15416,5918],{"class":5623},[5237,15418,15419],{"class":5525},"`email = $",[5237,15421,8094],{"class":5538},[5237,15423,15347],{"class":5775},[5237,15425,15350],{"class":5623},[5237,15427,8105],{"class":5538},[5237,15429,8122],{"class":5525},[5237,15431,5931],{"class":5623},[5237,15433,15435,15437,15439,15441,15443,15445,15447,15449],{"class":5239,"line":15434},69,[5237,15436,15362],{"class":5775},[5237,15438,5199],{"class":5623},[5237,15440,11314],{"class":5522},[5237,15442,5918],{"class":5623},[5237,15444,14751],{"class":5775},[5237,15446,5199],{"class":5623},[5237,15448,8117],{"class":5775},[5237,15450,5931],{"class":5623},[5237,15452,15454],{"class":5239,"line":15453},70,[5237,15455,7692],{"class":5623},[5237,15457,15459],{"class":5239,"line":15458},71,[5237,15460,5268],{"emptyLinePlaceholder":5267},[5237,15462,15464,15466,15468,15471,15473,15475,15477,15479],{"class":5239,"line":15463},72,[5237,15465,7504],{"class":5768},[5237,15467,5113],{"class":5623},[5237,15469,15470],{"class":5775},"fields",[5237,15472,5199],{"class":5623},[5237,15474,11580],{"class":5775},[5237,15476,6605],{"class":5623},[5237,15478,6000],{"class":5844},[5237,15480,7499],{"class":5623},[5237,15482,15484,15487,15489,15491,15494,15496,15498,15500],{"class":5239,"line":15483},73,[5237,15485,15486],{"class":5768},"      return",[5237,15488,14815],{"class":5538},[5237,15490,5199],{"class":5623},[5237,15492,15493],{"class":5522},"findById",[5237,15495,5918],{"class":5623},[5237,15497,8102],{"class":5775},[5237,15499,7711],{"class":5623},[5237,15501,15502],{"class":5904},"\u002F\u002F Нічого не змінено\n",[5237,15504,15506],{"class":5239,"line":15505},74,[5237,15507,7692],{"class":5623},[5237,15509,15511],{"class":5239,"line":15510},75,[5237,15512,5268],{"emptyLinePlaceholder":5267},[5237,15514,15516,15519,15521,15523,15525,15528],{"class":5239,"line":15515},76,[5237,15517,15518],{"class":5775},"    fields",[5237,15520,5199],{"class":5623},[5237,15522,11314],{"class":5522},[5237,15524,5918],{"class":5623},[5237,15526,15527],{"class":5525},"`updated_at = NOW()`",[5237,15529,5931],{"class":5623},[5237,15531,15533,15535,15537,15539,15541,15543],{"class":5239,"line":15532},77,[5237,15534,11309],{"class":5775},[5237,15536,5199],{"class":5623},[5237,15538,11314],{"class":5522},[5237,15540,5918],{"class":5623},[5237,15542,8102],{"class":5775},[5237,15544,5931],{"class":5623},[5237,15546,15548],{"class":5239,"line":15547},78,[5237,15549,5268],{"emptyLinePlaceholder":5267},[5237,15551,15553,15555,15557,15559],{"class":5239,"line":15552},79,[5237,15554,5948],{"class":5538},[5237,15556,8314],{"class":5813},[5237,15558,5817],{"class":5623},[5237,15560,8675],{"class":5525},[5237,15562,15564],{"class":5239,"line":15563},80,[5237,15565,15566],{"class":5525},"      UPDATE users\n",[5237,15568,15570,15573,15575,15577,15579,15581,15583,15585,15587],{"class":5239,"line":15569},81,[5237,15571,15572],{"class":5525},"      SET ",[5237,15574,8094],{"class":5538},[5237,15576,15470],{"class":5775},[5237,15578,5199],{"class":8099},[5237,15580,11396],{"class":5522},[5237,15582,5918],{"class":8099},[5237,15584,11401],{"class":5525},[5237,15586,13175],{"class":8099},[5237,15588,5724],{"class":5538},[5237,15590,15592,15595,15597,15599],{"class":5239,"line":15591},82,[5237,15593,15594],{"class":5525},"      WHERE id = $",[5237,15596,8094],{"class":5538},[5237,15598,15347],{"class":5775},[5237,15600,5724],{"class":5538},[5237,15602,15604],{"class":5239,"line":15603},83,[5237,15605,14791],{"class":5525},[5237,15607,15609,15611],{"class":5239,"line":15608},84,[5237,15610,14796],{"class":5525},[5237,15612,5787],{"class":5623},[5237,15614,15616],{"class":5239,"line":15615},85,[5237,15617,5268],{"emptyLinePlaceholder":5267},[5237,15619,15621,15623,15625,15627,15629,15631,15633,15635,15637,15639,15641,15643,15645,15647,15649,15651],{"class":5239,"line":15620},86,[5237,15622,5948],{"class":5538},[5237,15624,5951],{"class":5813},[5237,15626,5817],{"class":5623},[5237,15628,5956],{"class":5768},[5237,15630,14815],{"class":5538},[5237,15632,5199],{"class":5623},[5237,15634,7800],{"class":5775},[5237,15636,5199],{"class":5623},[5237,15638,5963],{"class":5522},[5237,15640,8167],{"class":5623},[5237,15642,9141],{"class":6682},[5237,15644,9167],{"class":5623},[5237,15646,5963],{"class":5775},[5237,15648,5473],{"class":5623},[5237,15650,8508],{"class":5775},[5237,15652,5931],{"class":5623},[5237,15654,15656,15658,15660,15662,15664,15666,15668,15670,15672],{"class":5239,"line":15655},87,[5237,15657,8553],{"class":5768},[5237,15659,5951],{"class":5775},[5237,15661,5199],{"class":5623},[5237,15663,5994],{"class":5775},[5237,15665,5997],{"class":5623},[5237,15667,6000],{"class":5844},[5237,15669,14966],{"class":5623},[5237,15671,11846],{"class":5538},[5237,15673,5787],{"class":5623},[5237,15675,15677],{"class":5239,"line":15676},88,[5237,15678,5719],{"class":5623},[5237,15680,15682],{"class":5239,"line":15681},89,[5237,15683,5268],{"emptyLinePlaceholder":5267},[5237,15685,15687,15689,15692,15694,15696,15698,15700,15702,15704,15706,15708],{"class":5239,"line":15686},90,[5237,15688,14743],{"class":5538},[5237,15690,15691],{"class":5522}," delete",[5237,15693,5918],{"class":5623},[5237,15695,8102],{"class":5775},[5237,15697,5469],{"class":5623},[5237,15699,6868],{"class":6682},[5237,15701,9814],{"class":5623},[5237,15703,7912],{"class":6682},[5237,15705,8167],{"class":5623},[5237,15707,9111],{"class":6682},[5237,15709,8178],{"class":5623},[5237,15711,15713,15715,15717,15719,15721],{"class":5239,"line":15712},91,[5237,15714,5948],{"class":5538},[5237,15716,8314],{"class":5813},[5237,15718,5817],{"class":5623},[5237,15720,12509],{"class":5525},[5237,15722,5787],{"class":5623},[5237,15724,15726,15728,15730,15732,15734,15736,15738,15740,15742,15744,15746,15748,15750,15752],{"class":5239,"line":15725},92,[5237,15727,5948],{"class":5538},[5237,15729,5951],{"class":5813},[5237,15731,5817],{"class":5623},[5237,15733,5956],{"class":5768},[5237,15735,14815],{"class":5538},[5237,15737,5199],{"class":5623},[5237,15739,7800],{"class":5775},[5237,15741,5199],{"class":5623},[5237,15743,5963],{"class":5522},[5237,15745,5918],{"class":5623},[5237,15747,5963],{"class":5775},[5237,15749,11118],{"class":5623},[5237,15751,8102],{"class":5775},[5237,15753,11127],{"class":5623},[5237,15755,15757,15759,15761,15763,15765,15767,15769],{"class":5239,"line":15756},93,[5237,15758,8553],{"class":5768},[5237,15760,5951],{"class":5775},[5237,15762,5199],{"class":5623},[5237,15764,7923],{"class":5775},[5237,15766,12554],{"class":5623},[5237,15768,6000],{"class":5844},[5237,15770,5787],{"class":5623},[5237,15772,15774],{"class":5239,"line":15773},94,[5237,15775,5719],{"class":5623},[5237,15777,15779],{"class":5239,"line":15778},95,[5237,15780,5268],{"emptyLinePlaceholder":5267},[5237,15782,15784],{"class":5239,"line":15783},96,[5237,15785,15786],{"class":5904},"  \u002F\u002F Приклад транзакції: переміщення користувача в архів\n",[5237,15788,15790,15792,15795,15797,15799,15801,15803,15805,15807,15809,15811],{"class":5239,"line":15789},97,[5237,15791,14743],{"class":5538},[5237,15793,15794],{"class":5522}," archive",[5237,15796,5918],{"class":5623},[5237,15798,8102],{"class":5775},[5237,15800,5469],{"class":5623},[5237,15802,6868],{"class":6682},[5237,15804,9814],{"class":5623},[5237,15806,7912],{"class":6682},[5237,15808,8167],{"class":5623},[5237,15810,12082],{"class":6682},[5237,15812,8178],{"class":5623},[5237,15814,15816,15818,15820,15822,15824,15826,15828,15830,15832,15834,15836,15838],{"class":5239,"line":15815},98,[5237,15817,5948],{"class":5538},[5237,15819,5814],{"class":5813},[5237,15821,5469],{"class":5623},[5237,15823,9898],{"class":6682},[5237,15825,5817],{"class":5623},[5237,15827,5956],{"class":5768},[5237,15829,14815],{"class":5538},[5237,15831,5199],{"class":5623},[5237,15833,7800],{"class":5775},[5237,15835,5199],{"class":5623},[5237,15837,5898],{"class":5522},[5237,15839,6055],{"class":5623},[5237,15841,15843],{"class":5239,"line":15842},99,[5237,15844,5268],{"emptyLinePlaceholder":5267},[5237,15846,15848,15851],{"class":5239,"line":15847},100,[5237,15849,15850],{"class":5768},"    try",[5237,15852,5943],{"class":5623},[5237,15854,15856,15859,15861,15863,15865,15867,15869],{"class":5239,"line":15855},101,[5237,15857,15858],{"class":5768},"      await",[5237,15860,5814],{"class":5775},[5237,15862,5199],{"class":5623},[5237,15864,5963],{"class":5522},[5237,15866,5918],{"class":5623},[5237,15868,10024],{"class":5525},[5237,15870,5931],{"class":5623},[5237,15872,15874],{"class":5239,"line":15873},102,[5237,15875,5268],{"emptyLinePlaceholder":5267},[5237,15877,15879],{"class":5239,"line":15878},103,[5237,15880,15881],{"class":5904},"      \u002F\u002F Копіюємо користувача в архівну таблицю\n",[5237,15883,15885,15887,15889,15891,15893,15895],{"class":5239,"line":15884},104,[5237,15886,15858],{"class":5768},[5237,15888,5814],{"class":5775},[5237,15890,5199],{"class":5623},[5237,15892,5963],{"class":5522},[5237,15894,5918],{"class":5623},[5237,15896,8675],{"class":5525},[5237,15898,15900],{"class":5239,"line":15899},105,[5237,15901,15902],{"class":5525},"        INSERT INTO users_archive (id, email, name, created_at, archived_at)\n",[5237,15904,15906],{"class":5239,"line":15905},106,[5237,15907,15908],{"class":5525},"        SELECT id, email, name, created_at, NOW()\n",[5237,15910,15912],{"class":5239,"line":15911},107,[5237,15913,15914],{"class":5525},"        FROM users\n",[5237,15916,15918],{"class":5239,"line":15917},108,[5237,15919,15920],{"class":5525},"        WHERE id = $1\n",[5237,15922,15924,15927,15929,15931],{"class":5239,"line":15923},109,[5237,15925,15926],{"class":5525},"      `",[5237,15928,11118],{"class":5623},[5237,15930,8102],{"class":5775},[5237,15932,11127],{"class":5623},[5237,15934,15936],{"class":5239,"line":15935},110,[5237,15937,5268],{"emptyLinePlaceholder":5267},[5237,15939,15941],{"class":5239,"line":15940},111,[5237,15942,15943],{"class":5904},"      \u002F\u002F Видаляємо з основної таблиці\n",[5237,15945,15947,15949,15951,15953,15955,15957,15959,15961,15963],{"class":5239,"line":15946},112,[5237,15948,15858],{"class":5768},[5237,15950,5814],{"class":5775},[5237,15952,5199],{"class":5623},[5237,15954,5963],{"class":5522},[5237,15956,5918],{"class":5623},[5237,15958,12509],{"class":5525},[5237,15960,11118],{"class":5623},[5237,15962,8102],{"class":5775},[5237,15964,11127],{"class":5623},[5237,15966,15968],{"class":5239,"line":15967},113,[5237,15969,5268],{"emptyLinePlaceholder":5267},[5237,15971,15973,15975,15977,15979,15981,15983,15985],{"class":5239,"line":15972},114,[5237,15974,15858],{"class":5768},[5237,15976,5814],{"class":5775},[5237,15978,5199],{"class":5623},[5237,15980,5963],{"class":5522},[5237,15982,5918],{"class":5623},[5237,15984,10146],{"class":5525},[5237,15986,5931],{"class":5623},[5237,15988,15990,15992,15994,15996,15998,16001,16003,16005,16007,16010],{"class":5239,"line":15989},115,[5237,15991,7521],{"class":5775},[5237,15993,5199],{"class":5623},[5237,15995,5915],{"class":5522},[5237,15997,5918],{"class":5623},[5237,15999,16000],{"class":5525},"`Користувача ",[5237,16002,8094],{"class":5538},[5237,16004,8102],{"class":5775},[5237,16006,8105],{"class":5538},[5237,16008,16009],{"class":5525}," переміщено в архів`",[5237,16011,5931],{"class":5623},[5237,16013,16015],{"class":5239,"line":16014},116,[5237,16016,5268],{"emptyLinePlaceholder":5267},[5237,16018,16020,16023,16025,16027,16029],{"class":5239,"line":16019},117,[5237,16021,16022],{"class":5623},"    } ",[5237,16024,7491],{"class":5768},[5237,16026,5113],{"class":5623},[5237,16028,7496],{"class":5775},[5237,16030,7499],{"class":5623},[5237,16032,16034,16036,16038,16040,16042,16044,16046],{"class":5239,"line":16033},118,[5237,16035,15858],{"class":5768},[5237,16037,5814],{"class":5775},[5237,16039,5199],{"class":5623},[5237,16041,5963],{"class":5522},[5237,16043,5918],{"class":5623},[5237,16045,10197],{"class":5525},[5237,16047,5931],{"class":5623},[5237,16049,16051,16053,16055,16057,16059,16062,16064,16066],{"class":5239,"line":16050},119,[5237,16052,7521],{"class":5775},[5237,16054,5199],{"class":5623},[5237,16056,7496],{"class":5522},[5237,16058,5918],{"class":5623},[5237,16060,16061],{"class":5525},"'Помилка архівування:'",[5237,16063,5473],{"class":5623},[5237,16065,7496],{"class":5775},[5237,16067,5931],{"class":5623},[5237,16069,16071,16073,16075],{"class":5239,"line":16070},120,[5237,16072,12889],{"class":5768},[5237,16074,10229],{"class":5775},[5237,16076,5787],{"class":5623},[5237,16078,16080],{"class":5239,"line":16079},121,[5237,16081,5268],{"emptyLinePlaceholder":5267},[5237,16083,16085,16087,16089],{"class":5239,"line":16084},122,[5237,16086,16022],{"class":5623},[5237,16088,6016],{"class":5768},[5237,16090,5943],{"class":5623},[5237,16092,16094,16097,16099,16101],{"class":5239,"line":16093},123,[5237,16095,16096],{"class":5775},"      client",[5237,16098,5199],{"class":5623},[5237,16100,7479],{"class":5522},[5237,16102,6055],{"class":5623},[5237,16104,16106],{"class":5239,"line":16105},124,[5237,16107,7692],{"class":5623},[5237,16109,16111],{"class":5239,"line":16110},125,[5237,16112,5719],{"class":5623},[5237,16114,16116],{"class":5239,"line":16115},126,[5237,16117,5724],{"class":5623},[5237,16119,16121],{"class":5239,"line":16120},127,[5237,16122,5268],{"emptyLinePlaceholder":5267},[5237,16124,16126],{"class":5239,"line":16125},128,[5237,16127,8596],{"class":5904},[5237,16129,16131,16133,16135,16137,16139,16141,16143,16145,16147,16149,16151,16153,16155],{"class":5239,"line":16130},129,[5237,16132,6121],{"class":5538},[5237,16134,6124],{"class":5813},[5237,16136,5817],{"class":5623},[5237,16138,5820],{"class":5538},[5237,16140,6131],{"class":5522},[5237,16142,7970],{"class":5623},[5237,16144,7973],{"class":5775},[5237,16146,6574],{"class":5775},[5237,16148,5199],{"class":5623},[5237,16150,6579],{"class":5775},[5237,16152,5199],{"class":5623},[5237,16154,6584],{"class":5813},[5237,16156,7986],{"class":5623},[5237,16158,16160,16162,16165,16167,16169,16171,16173,16175],{"class":5239,"line":16159},130,[5237,16161,6121],{"class":5538},[5237,16163,16164],{"class":5813}," userService",[5237,16166,5817],{"class":5623},[5237,16168,5820],{"class":5538},[5237,16170,14713],{"class":5522},[5237,16172,5918],{"class":5623},[5237,16174,7800],{"class":5775},[5237,16176,5931],{"class":5623},[5237,16178,16180],{"class":5239,"line":16179},131,[5237,16181,5268],{"emptyLinePlaceholder":5267},[5237,16183,16185,16187,16189,16191,16193],{"class":5239,"line":16184},132,[5237,16186,5918],{"class":5623},[5237,16188,5796],{"class":5538},[5237,16190,10383],{"class":5623},[5237,16192,9662],{"class":5538},[5237,16194,5943],{"class":5623},[5237,16196,16198,16200,16202,16204,16206,16208,16210,16213],{"class":5239,"line":16197},133,[5237,16199,5810],{"class":5538},[5237,16201,8603],{"class":5813},[5237,16203,5817],{"class":5623},[5237,16205,5956],{"class":5768},[5237,16207,16164],{"class":5775},[5237,16209,5199],{"class":5623},[5237,16211,16212],{"class":5522},"create",[5237,16214,5826],{"class":5623},[5237,16216,16218,16221,16224],{"class":5239,"line":16217},134,[5237,16219,16220],{"class":5775},"    email:",[5237,16222,16223],{"class":5525}," 'test@example.com'",[5237,16225,5646],{"class":5623},[5237,16227,16229,16232,16235],{"class":5239,"line":16228},135,[5237,16230,16231],{"class":5775},"    name:",[5237,16233,16234],{"class":5525}," 'Test User'",[5237,16236,5646],{"class":5623},[5237,16238,16240],{"class":5239,"line":16239},136,[5237,16241,5882],{"class":5623},[5237,16243,16245],{"class":5239,"line":16244},137,[5237,16246,5268],{"emptyLinePlaceholder":5267},[5237,16248,16250,16252,16254,16256,16258,16260,16262,16264],{"class":5239,"line":16249},138,[5237,16251,5910],{"class":5775},[5237,16253,5199],{"class":5623},[5237,16255,5915],{"class":5522},[5237,16257,5918],{"class":5623},[5237,16259,11188],{"class":5525},[5237,16261,5473],{"class":5623},[5237,16263,6878],{"class":5775},[5237,16265,5931],{"class":5623},[5237,16267,16269],{"class":5239,"line":16268},139,[5237,16270,5268],{"emptyLinePlaceholder":5267},[5237,16272,16274,16276,16279,16281,16283,16285,16287,16289,16291,16293,16295,16297],{"class":5239,"line":16273},140,[5237,16275,5810],{"class":5538},[5237,16277,16278],{"class":5813}," found",[5237,16280,5817],{"class":5623},[5237,16282,5956],{"class":5768},[5237,16284,16164],{"class":5775},[5237,16286,5199],{"class":5623},[5237,16288,15493],{"class":5522},[5237,16290,5918],{"class":5623},[5237,16292,6878],{"class":5775},[5237,16294,5199],{"class":5623},[5237,16296,8102],{"class":5775},[5237,16298,5931],{"class":5623},[5237,16300,16302,16304,16306,16308,16310,16313,16315,16318],{"class":5239,"line":16301},141,[5237,16303,5910],{"class":5775},[5237,16305,5199],{"class":5623},[5237,16307,5915],{"class":5522},[5237,16309,5918],{"class":5623},[5237,16311,16312],{"class":5525},"'Знайдено:'",[5237,16314,5473],{"class":5623},[5237,16316,16317],{"class":5775},"found",[5237,16319,5931],{"class":5623},[5237,16321,16323],{"class":5239,"line":16322},142,[5237,16324,5268],{"emptyLinePlaceholder":5267},[5237,16326,16328,16330,16332,16334,16337,16339,16341,16343,16345,16347,16349,16352],{"class":5239,"line":16327},143,[5237,16329,5891],{"class":5768},[5237,16331,16164],{"class":5775},[5237,16333,5199],{"class":5623},[5237,16335,16336],{"class":5522},"update",[5237,16338,5918],{"class":5623},[5237,16340,6878],{"class":5775},[5237,16342,5199],{"class":5623},[5237,16344,8102],{"class":5775},[5237,16346,14094],{"class":5623},[5237,16348,11525],{"class":5775},[5237,16350,16351],{"class":5525}," 'Updated Name'",[5237,16353,7986],{"class":5623},[5237,16355,16357,16359,16361,16363,16365,16368],{"class":5239,"line":16356},144,[5237,16358,5910],{"class":5775},[5237,16360,5199],{"class":5623},[5237,16362,5915],{"class":5522},[5237,16364,5918],{"class":5623},[5237,16366,16367],{"class":5525},"'Оновлено'",[5237,16369,5931],{"class":5623},[5237,16371,16373],{"class":5239,"line":16372},145,[5237,16374,5268],{"emptyLinePlaceholder":5267},[5237,16376,16378,16380,16382,16384,16387,16389,16391,16393,16395],{"class":5239,"line":16377},146,[5237,16379,5891],{"class":5768},[5237,16381,16164],{"class":5775},[5237,16383,5199],{"class":5623},[5237,16385,16386],{"class":5522},"archive",[5237,16388,5918],{"class":5623},[5237,16390,6878],{"class":5775},[5237,16392,5199],{"class":5623},[5237,16394,8102],{"class":5775},[5237,16396,5931],{"class":5623},[5237,16398,16400,16402,16404,16406,16408,16411],{"class":5239,"line":16399},147,[5237,16401,5910],{"class":5775},[5237,16403,5199],{"class":5623},[5237,16405,5915],{"class":5522},[5237,16407,5918],{"class":5623},[5237,16409,16410],{"class":5525},"'Заархівовано'",[5237,16412,5931],{"class":5623},[5237,16414,16416],{"class":5239,"line":16415},148,[5237,16417,16418],{"class":5623},"})();\n",[5405,16420,16422],{"id":16421},"використання-у-nestjs-без-orm","Використання у NestJS без ORM",[5170,16424,16425,16426,16428],{},"У NestJS можна використовувати драйвер ",[5110,16427,5112],{}," напряму, без TypeORM. Це корисно, коли вам потрібен повний контроль над SQL або коли проєкт має специфічні вимоги до продуктивності.",[5170,16430,16431],{},[5132,16432,16433],{},"Крок 1: Створення Database Module",[5228,16435,16438],{"className":5758,"code":16436,"filename":16437,"language":5761,"meta":5233,"style":5233},"import { Module, Global } from '@nestjs\u002Fcommon';\nimport { Pool } from 'pg';\n\nexport const PG_CONNECTION = 'PG_CONNECTION';\n\n@Global()\n@Module({\n  providers: [\n    {\n      provide: PG_CONNECTION,\n      useFactory: () => {\n        const pool = new Pool({\n          connectionString: process.env.DATABASE_URL,\n          max: 20,\n          idleTimeoutMillis: 30000,\n        });\n\n        pool.on('error', (err) => {\n          console.error('Unexpected error on idle client', err);\n        });\n\n        return pool;\n      },\n    },\n  ],\n  exports: [PG_CONNECTION],\n})\nexport class DatabaseModule {}\n","database.module.ts",[5110,16439,16440,16463,16479,16483,16500,16504,16514,16522,16530,16535,16544,16557,16572,16589,16598,16607,16612,16616,16641,16660,16664,16668,16677,16682,16686,16691,16705,16710],{"__ignoreMap":5233},[5237,16441,16442,16444,16446,16449,16451,16454,16456,16458,16461],{"class":5239,"line":5240},[5237,16443,5769],{"class":5768},[5237,16445,5772],{"class":5623},[5237,16447,16448],{"class":5775},"Module",[5237,16450,5473],{"class":5623},[5237,16452,16453],{"class":5775},"Global",[5237,16455,5778],{"class":5623},[5237,16457,5781],{"class":5768},[5237,16459,16460],{"class":5525}," '@nestjs\u002Fcommon'",[5237,16462,5787],{"class":5623},[5237,16464,16465,16467,16469,16471,16473,16475,16477],{"class":5239,"line":5246},[5237,16466,5769],{"class":5768},[5237,16468,5772],{"class":5623},[5237,16470,5735],{"class":5775},[5237,16472,5778],{"class":5623},[5237,16474,5781],{"class":5768},[5237,16476,5784],{"class":5525},[5237,16478,5787],{"class":5623},[5237,16480,16481],{"class":5239,"line":5252},[5237,16482,5268],{"emptyLinePlaceholder":5267},[5237,16484,16485,16487,16490,16493,16495,16498],{"class":5239,"line":5258},[5237,16486,14707],{"class":5768},[5237,16488,16489],{"class":5538}," const",[5237,16491,16492],{"class":5813}," PG_CONNECTION",[5237,16494,5817],{"class":5623},[5237,16496,16497],{"class":5525},"'PG_CONNECTION'",[5237,16499,5787],{"class":5623},[5237,16501,16502],{"class":5239,"line":5264},[5237,16503,5268],{"emptyLinePlaceholder":5267},[5237,16505,16506,16509,16511],{"class":5239,"line":5271},[5237,16507,16508],{"class":5623},"@",[5237,16510,16453],{"class":5522},[5237,16512,16513],{"class":5623},"()\n",[5237,16515,16516,16518,16520],{"class":5239,"line":5277},[5237,16517,16508],{"class":5623},[5237,16519,16448],{"class":5522},[5237,16521,5826],{"class":5623},[5237,16523,16524,16527],{"class":5239,"line":5283},[5237,16525,16526],{"class":5775},"  providers:",[5237,16528,16529],{"class":5623}," [\n",[5237,16531,16532],{"class":5239,"line":5289},[5237,16533,16534],{"class":5623},"    {\n",[5237,16536,16537,16540,16542],{"class":5239,"line":5295},[5237,16538,16539],{"class":5775},"      provide:",[5237,16541,16492],{"class":5813},[5237,16543,5646],{"class":5623},[5237,16545,16546,16549,16551,16553,16555],{"class":5239,"line":5300},[5237,16547,16548],{"class":5522},"      useFactory",[5237,16550,8151],{"class":5775},[5237,16552,10383],{"class":5623},[5237,16554,9662],{"class":5538},[5237,16556,5943],{"class":5623},[5237,16558,16559,16562,16564,16566,16568,16570],{"class":5239,"line":5306},[5237,16560,16561],{"class":5538},"        const",[5237,16563,6124],{"class":5813},[5237,16565,5817],{"class":5623},[5237,16567,5820],{"class":5538},[5237,16569,6131],{"class":5522},[5237,16571,5826],{"class":5623},[5237,16573,16574,16577,16579,16581,16583,16585,16587],{"class":5239,"line":5312},[5237,16575,16576],{"class":5775},"          connectionString:",[5237,16578,6574],{"class":5775},[5237,16580,5199],{"class":5623},[5237,16582,6579],{"class":5775},[5237,16584,5199],{"class":5623},[5237,16586,6584],{"class":5813},[5237,16588,5646],{"class":5623},[5237,16590,16591,16594,16596],{"class":5239,"line":5318},[5237,16592,16593],{"class":5775},"          max:",[5237,16595,6186],{"class":5844},[5237,16597,5646],{"class":5623},[5237,16599,16600,16603,16605],{"class":5239,"line":5324},[5237,16601,16602],{"class":5775},"          idleTimeoutMillis:",[5237,16604,6199],{"class":5844},[5237,16606,5646],{"class":5623},[5237,16608,16609],{"class":5239,"line":5330},[5237,16610,16611],{"class":5623},"        });\n",[5237,16613,16614],{"class":5239,"line":5336},[5237,16615,5268],{"emptyLinePlaceholder":5267},[5237,16617,16618,16621,16623,16625,16627,16630,16633,16635,16637,16639],{"class":5239,"line":5342},[5237,16619,16620],{"class":5775},"        pool",[5237,16622,5199],{"class":5623},[5237,16624,10371],{"class":5522},[5237,16626,5918],{"class":5623},[5237,16628,16629],{"class":5525},"'error'",[5237,16631,16632],{"class":5623},", (",[5237,16634,9651],{"class":5775},[5237,16636,9659],{"class":5623},[5237,16638,9662],{"class":5538},[5237,16640,5943],{"class":5623},[5237,16642,16643,16645,16647,16649,16651,16654,16656,16658],{"class":5239,"line":5347},[5237,16644,13688],{"class":5775},[5237,16646,5199],{"class":5623},[5237,16648,7496],{"class":5522},[5237,16650,5918],{"class":5623},[5237,16652,16653],{"class":5525},"'Unexpected error on idle client'",[5237,16655,5473],{"class":5623},[5237,16657,9651],{"class":5775},[5237,16659,5931],{"class":5623},[5237,16661,16662],{"class":5239,"line":5353},[5237,16663,16611],{"class":5623},[5237,16665,16666],{"class":5239,"line":5359},[5237,16667,5268],{"emptyLinePlaceholder":5267},[5237,16669,16670,16673,16675],{"class":5239,"line":5365},[5237,16671,16672],{"class":5768},"        return",[5237,16674,6124],{"class":5775},[5237,16676,5787],{"class":5623},[5237,16678,16679],{"class":5239,"line":5371},[5237,16680,16681],{"class":5623},"      },\n",[5237,16683,16684],{"class":5239,"line":5377},[5237,16685,9702],{"class":5623},[5237,16687,16688],{"class":5239,"line":5383},[5237,16689,16690],{"class":5623},"  ],\n",[5237,16692,16693,16696,16699,16702],{"class":5239,"line":5389},[5237,16694,16695],{"class":5775},"  exports:",[5237,16697,16698],{"class":5623}," [",[5237,16700,16701],{"class":5813},"PG_CONNECTION",[5237,16703,16704],{"class":5623},"],\n",[5237,16706,16707],{"class":5239,"line":5394},[5237,16708,16709],{"class":5623},"})\n",[5237,16711,16712,16714,16716,16719],{"class":5239,"line":7683},[5237,16713,14707],{"class":5768},[5237,16715,14710],{"class":5538},[5237,16717,16718],{"class":6682}," DatabaseModule",[5237,16720,16721],{"class":5623}," {}\n",[5170,16723,16724],{},[5132,16725,16726],{},"Крок 2: Інжекція пулу у сервіс",[5228,16728,16731],{"className":5758,"code":16729,"filename":16730,"language":5761,"meta":5233,"style":5233},"import { Injectable, Inject } from '@nestjs\u002Fcommon';\nimport { Pool } from 'pg';\nimport { PG_CONNECTION } from '.\u002Fdatabase.module';\n\n@Injectable()\nexport class UsersService {\n  constructor(@Inject(PG_CONNECTION) private pool: Pool) {}\n\n  async findAll() {\n    const result = await this.pool.query('SELECT * FROM users');\n    return result.rows;\n  }\n\n  async create(email: string, name: string) {\n    const query = 'INSERT INTO users (email, name) VALUES ($1, $2) RETURNING *';\n    const result = await this.pool.query(query, [email, name]);\n    return result.rows[0];\n  }\n}\n","users.service.ts",[5110,16732,16733,16755,16771,16788,16792,16800,16811,16836,16840,16848,16875,16887,16891,16895,16919,16932,16966,16982,16986],{"__ignoreMap":5233},[5237,16734,16735,16737,16739,16742,16744,16747,16749,16751,16753],{"class":5239,"line":5240},[5237,16736,5769],{"class":5768},[5237,16738,5772],{"class":5623},[5237,16740,16741],{"class":5775},"Injectable",[5237,16743,5473],{"class":5623},[5237,16745,16746],{"class":5775},"Inject",[5237,16748,5778],{"class":5623},[5237,16750,5781],{"class":5768},[5237,16752,16460],{"class":5525},[5237,16754,5787],{"class":5623},[5237,16756,16757,16759,16761,16763,16765,16767,16769],{"class":5239,"line":5246},[5237,16758,5769],{"class":5768},[5237,16760,5772],{"class":5623},[5237,16762,5735],{"class":5775},[5237,16764,5778],{"class":5623},[5237,16766,5781],{"class":5768},[5237,16768,5784],{"class":5525},[5237,16770,5787],{"class":5623},[5237,16772,16773,16775,16777,16779,16781,16783,16786],{"class":5239,"line":5252},[5237,16774,5769],{"class":5768},[5237,16776,5772],{"class":5623},[5237,16778,16701],{"class":5775},[5237,16780,5778],{"class":5623},[5237,16782,5781],{"class":5768},[5237,16784,16785],{"class":5525}," '.\u002Fdatabase.module'",[5237,16787,5787],{"class":5623},[5237,16789,16790],{"class":5239,"line":5258},[5237,16791,5268],{"emptyLinePlaceholder":5267},[5237,16793,16794,16796,16798],{"class":5239,"line":5264},[5237,16795,16508],{"class":5623},[5237,16797,16741],{"class":5522},[5237,16799,16513],{"class":5623},[5237,16801,16802,16804,16806,16809],{"class":5239,"line":5271},[5237,16803,14707],{"class":5768},[5237,16805,14710],{"class":5538},[5237,16807,16808],{"class":6682}," UsersService",[5237,16810,5943],{"class":5623},[5237,16812,16813,16815,16818,16820,16822,16824,16826,16828,16830,16832,16834],{"class":5239,"line":5277},[5237,16814,14720],{"class":5538},[5237,16816,16817],{"class":5623},"(@",[5237,16819,16746],{"class":5522},[5237,16821,5918],{"class":5623},[5237,16823,16701],{"class":5813},[5237,16825,9659],{"class":5623},[5237,16827,14725],{"class":5538},[5237,16829,6124],{"class":5775},[5237,16831,5469],{"class":5623},[5237,16833,5735],{"class":6682},[5237,16835,14734],{"class":5623},[5237,16837,16838],{"class":5239,"line":5283},[5237,16839,5268],{"emptyLinePlaceholder":5267},[5237,16841,16842,16844,16846],{"class":5239,"line":5289},[5237,16843,14743],{"class":5538},[5237,16845,15095],{"class":5522},[5237,16847,5805],{"class":5623},[5237,16849,16850,16852,16854,16856,16858,16860,16862,16864,16866,16868,16870,16873],{"class":5239,"line":5295},[5237,16851,5948],{"class":5538},[5237,16853,5951],{"class":5813},[5237,16855,5817],{"class":5623},[5237,16857,5956],{"class":5768},[5237,16859,14815],{"class":5538},[5237,16861,5199],{"class":5623},[5237,16863,7800],{"class":5775},[5237,16865,5199],{"class":5623},[5237,16867,5963],{"class":5522},[5237,16869,5918],{"class":5623},[5237,16871,16872],{"class":5525},"'SELECT * FROM users'",[5237,16874,5931],{"class":5623},[5237,16876,16877,16879,16881,16883,16885],{"class":5239,"line":5300},[5237,16878,8553],{"class":5768},[5237,16880,5951],{"class":5775},[5237,16882,5199],{"class":5623},[5237,16884,5994],{"class":5775},[5237,16886,5787],{"class":5623},[5237,16888,16889],{"class":5239,"line":5306},[5237,16890,5719],{"class":5623},[5237,16892,16893],{"class":5239,"line":5312},[5237,16894,5268],{"emptyLinePlaceholder":5267},[5237,16896,16897,16899,16901,16903,16905,16907,16909,16911,16913,16915,16917],{"class":5239,"line":5318},[5237,16898,14743],{"class":5538},[5237,16900,14746],{"class":5522},[5237,16902,5918],{"class":5623},[5237,16904,8117],{"class":5775},[5237,16906,5469],{"class":5623},[5237,16908,6849],{"class":6682},[5237,16910,5473],{"class":5623},[5237,16912,8649],{"class":5775},[5237,16914,5469],{"class":5623},[5237,16916,6849],{"class":6682},[5237,16918,7499],{"class":5623},[5237,16920,16921,16923,16925,16927,16930],{"class":5239,"line":5324},[5237,16922,5948],{"class":5538},[5237,16924,8314],{"class":5813},[5237,16926,5817],{"class":5623},[5237,16928,16929],{"class":5525},"'INSERT INTO users (email, name) VALUES ($1, $2) RETURNING *'",[5237,16931,5787],{"class":5623},[5237,16933,16934,16936,16938,16940,16942,16944,16946,16948,16950,16952,16954,16956,16958,16960,16962,16964],{"class":5239,"line":5330},[5237,16935,5948],{"class":5538},[5237,16937,5951],{"class":5813},[5237,16939,5817],{"class":5623},[5237,16941,5956],{"class":5768},[5237,16943,14815],{"class":5538},[5237,16945,5199],{"class":5623},[5237,16947,7800],{"class":5775},[5237,16949,5199],{"class":5623},[5237,16951,5963],{"class":5522},[5237,16953,5918],{"class":5623},[5237,16955,5963],{"class":5775},[5237,16957,11118],{"class":5623},[5237,16959,8117],{"class":5775},[5237,16961,5473],{"class":5623},[5237,16963,8649],{"class":5775},[5237,16965,11127],{"class":5623},[5237,16967,16968,16970,16972,16974,16976,16978,16980],{"class":5239,"line":5336},[5237,16969,8553],{"class":5768},[5237,16971,5951],{"class":5775},[5237,16973,5199],{"class":5623},[5237,16975,5994],{"class":5775},[5237,16977,5997],{"class":5623},[5237,16979,6000],{"class":5844},[5237,16981,8479],{"class":5623},[5237,16983,16984],{"class":5239,"line":5342},[5237,16985,5719],{"class":5623},[5237,16987,16988],{"class":5239,"line":5347},[5237,16989,5724],{"class":5623},[5170,16991,16992],{},[5132,16993,16994],{},"Крок 3: Використання у контролері",[5228,16996,16999],{"className":5758,"code":16997,"filename":16998,"language":5761,"meta":5233,"style":5233},"import { Controller, Get, Post, Body } from '@nestjs\u002Fcommon';\nimport { UsersService } from '.\u002Fusers.service';\n\n@Controller('users')\nexport class UsersController {\n  constructor(private usersService: UsersService) {}\n\n  @Get()\n  async findAll() {\n    return this.usersService.findAll();\n  }\n\n  @Post()\n  async create(@Body() body: { email: string; name: string }) {\n    return this.usersService.create(body.email, body.name);\n  }\n}\n","users.controller.ts",[5110,17000,17001,17033,17051,17055,17068,17079,17096,17100,17109,17117,17135,17139,17143,17151,17186,17218,17222],{"__ignoreMap":5233},[5237,17002,17003,17005,17007,17010,17012,17015,17017,17020,17022,17025,17027,17029,17031],{"class":5239,"line":5240},[5237,17004,5769],{"class":5768},[5237,17006,5772],{"class":5623},[5237,17008,17009],{"class":5775},"Controller",[5237,17011,5473],{"class":5623},[5237,17013,17014],{"class":5775},"Get",[5237,17016,5473],{"class":5623},[5237,17018,17019],{"class":5775},"Post",[5237,17021,5473],{"class":5623},[5237,17023,17024],{"class":5775},"Body",[5237,17026,5778],{"class":5623},[5237,17028,5781],{"class":5768},[5237,17030,16460],{"class":5525},[5237,17032,5787],{"class":5623},[5237,17034,17035,17037,17039,17042,17044,17046,17049],{"class":5239,"line":5246},[5237,17036,5769],{"class":5768},[5237,17038,5772],{"class":5623},[5237,17040,17041],{"class":5775},"UsersService",[5237,17043,5778],{"class":5623},[5237,17045,5781],{"class":5768},[5237,17047,17048],{"class":5525}," '.\u002Fusers.service'",[5237,17050,5787],{"class":5623},[5237,17052,17053],{"class":5239,"line":5252},[5237,17054,5268],{"emptyLinePlaceholder":5267},[5237,17056,17057,17059,17061,17063,17065],{"class":5239,"line":5258},[5237,17058,16508],{"class":5623},[5237,17060,17009],{"class":5522},[5237,17062,5918],{"class":5623},[5237,17064,8935],{"class":5525},[5237,17066,17067],{"class":5623},")\n",[5237,17069,17070,17072,17074,17077],{"class":5239,"line":5264},[5237,17071,14707],{"class":5768},[5237,17073,14710],{"class":5538},[5237,17075,17076],{"class":6682}," UsersController",[5237,17078,5943],{"class":5623},[5237,17080,17081,17083,17085,17087,17090,17092,17094],{"class":5239,"line":5271},[5237,17082,14720],{"class":5538},[5237,17084,5918],{"class":5623},[5237,17086,14725],{"class":5538},[5237,17088,17089],{"class":5775}," usersService",[5237,17091,5469],{"class":5623},[5237,17093,17041],{"class":6682},[5237,17095,14734],{"class":5623},[5237,17097,17098],{"class":5239,"line":5277},[5237,17099,5268],{"emptyLinePlaceholder":5267},[5237,17101,17102,17105,17107],{"class":5239,"line":5283},[5237,17103,17104],{"class":5623},"  @",[5237,17106,17014],{"class":5522},[5237,17108,16513],{"class":5623},[5237,17110,17111,17113,17115],{"class":5239,"line":5289},[5237,17112,14743],{"class":5538},[5237,17114,15095],{"class":5522},[5237,17116,5805],{"class":5623},[5237,17118,17119,17121,17123,17125,17128,17130,17133],{"class":5239,"line":5295},[5237,17120,8553],{"class":5768},[5237,17122,14815],{"class":5538},[5237,17124,5199],{"class":5623},[5237,17126,17127],{"class":5775},"usersService",[5237,17129,5199],{"class":5623},[5237,17131,17132],{"class":5522},"findAll",[5237,17134,6055],{"class":5623},[5237,17136,17137],{"class":5239,"line":5300},[5237,17138,5719],{"class":5623},[5237,17140,17141],{"class":5239,"line":5306},[5237,17142,5268],{"emptyLinePlaceholder":5267},[5237,17144,17145,17147,17149],{"class":5239,"line":5312},[5237,17146,17104],{"class":5623},[5237,17148,17019],{"class":5522},[5237,17150,16513],{"class":5623},[5237,17152,17153,17155,17157,17159,17161,17164,17167,17169,17171,17173,17175,17177,17179,17181,17183],{"class":5239,"line":5318},[5237,17154,14743],{"class":5538},[5237,17156,14746],{"class":5522},[5237,17158,16817],{"class":5623},[5237,17160,17024],{"class":5522},[5237,17162,17163],{"class":5623},"() ",[5237,17165,17166],{"class":5775},"body",[5237,17168,9094],{"class":5623},[5237,17170,8117],{"class":5775},[5237,17172,5469],{"class":5623},[5237,17174,6849],{"class":6682},[5237,17176,8304],{"class":5623},[5237,17178,8649],{"class":5775},[5237,17180,5469],{"class":5623},[5237,17182,6849],{"class":6682},[5237,17184,17185],{"class":5623}," }) {\n",[5237,17187,17188,17190,17192,17194,17196,17198,17200,17202,17204,17206,17208,17210,17212,17214,17216],{"class":5239,"line":5324},[5237,17189,8553],{"class":5768},[5237,17191,14815],{"class":5538},[5237,17193,5199],{"class":5623},[5237,17195,17127],{"class":5775},[5237,17197,5199],{"class":5623},[5237,17199,16212],{"class":5522},[5237,17201,5918],{"class":5623},[5237,17203,17166],{"class":5775},[5237,17205,5199],{"class":5623},[5237,17207,8117],{"class":5775},[5237,17209,5473],{"class":5623},[5237,17211,17166],{"class":5775},[5237,17213,5199],{"class":5623},[5237,17215,8649],{"class":5775},[5237,17217,5931],{"class":5623},[5237,17219,17220],{"class":5239,"line":5330},[5237,17221,5719],{"class":5623},[5237,17223,17224],{"class":5239,"line":5336},[5237,17225,5724],{"class":5623},[5405,17227,17229],{"id":17228},"коли-raw-sql-кращий-за-orm","Коли raw SQL кращий за ORM",[5170,17231,17232],{},"Хоча ORM-бібліотеки значно спрощують роботу з даними, існують сценарії, коли використання чистого SQL є кращим вибором:",[5170,17234,17235],{},[5132,17236,17237],{},"1. Складні аналітичні запити:",[5228,17239,17241],{"className":5758,"code":17240,"language":5761,"meta":5233,"style":5233},"\u002F\u002F Приклад: агрегація з віконними функціями (Window Functions)\nconst query = `\n  SELECT\n    user_id,\n    email,\n    total_orders,\n    RANK() OVER (ORDER BY total_orders DESC) as rank\n  FROM (\n    SELECT\n      u.id as user_id,\n      u.email,\n      COUNT(o.id) as total_orders\n    FROM users u\n    LEFT JOIN orders o ON o.user_id = u.id\n    GROUP BY u.id, u.email\n  ) subquery\n  WHERE total_orders > 0\n  ORDER BY rank\n  LIMIT 10\n`;\n",[5110,17242,17243,17248,17258,17263,17268,17273,17278,17283,17288,17293,17298,17303,17308,17312,17317,17322,17327,17332,17337,17342],{"__ignoreMap":5233},[5237,17244,17245],{"class":5239,"line":5240},[5237,17246,17247],{"class":5904},"\u002F\u002F Приклад: агрегація з віконними функціями (Window Functions)\n",[5237,17249,17250,17252,17254,17256],{"class":5239,"line":5246},[5237,17251,6121],{"class":5538},[5237,17253,8314],{"class":5813},[5237,17255,5817],{"class":5623},[5237,17257,8675],{"class":5525},[5237,17259,17260],{"class":5239,"line":5252},[5237,17261,17262],{"class":5525},"  SELECT\n",[5237,17264,17265],{"class":5239,"line":5258},[5237,17266,17267],{"class":5525},"    user_id,\n",[5237,17269,17270],{"class":5239,"line":5264},[5237,17271,17272],{"class":5525},"    email,\n",[5237,17274,17275],{"class":5239,"line":5271},[5237,17276,17277],{"class":5525},"    total_orders,\n",[5237,17279,17280],{"class":5239,"line":5277},[5237,17281,17282],{"class":5525},"    RANK() OVER (ORDER BY total_orders DESC) as rank\n",[5237,17284,17285],{"class":5239,"line":5283},[5237,17286,17287],{"class":5525},"  FROM (\n",[5237,17289,17290],{"class":5239,"line":5289},[5237,17291,17292],{"class":5525},"    SELECT\n",[5237,17294,17295],{"class":5239,"line":5295},[5237,17296,17297],{"class":5525},"      u.id as user_id,\n",[5237,17299,17300],{"class":5239,"line":5300},[5237,17301,17302],{"class":5525},"      u.email,\n",[5237,17304,17305],{"class":5239,"line":5306},[5237,17306,17307],{"class":5525},"      COUNT(o.id) as total_orders\n",[5237,17309,17310],{"class":5239,"line":5312},[5237,17311,11951],{"class":5525},[5237,17313,17314],{"class":5239,"line":5318},[5237,17315,17316],{"class":5525},"    LEFT JOIN orders o ON o.user_id = u.id\n",[5237,17318,17319],{"class":5239,"line":5324},[5237,17320,17321],{"class":5525},"    GROUP BY u.id, u.email\n",[5237,17323,17324],{"class":5239,"line":5330},[5237,17325,17326],{"class":5525},"  ) subquery\n",[5237,17328,17329],{"class":5239,"line":5336},[5237,17330,17331],{"class":5525},"  WHERE total_orders > 0\n",[5237,17333,17334],{"class":5239,"line":5342},[5237,17335,17336],{"class":5525},"  ORDER BY rank\n",[5237,17338,17339],{"class":5239,"line":5347},[5237,17340,17341],{"class":5525},"  LIMIT 10\n",[5237,17343,17344,17346],{"class":5239,"line":5353},[5237,17345,8122],{"class":5525},[5237,17347,5787],{"class":5623},[5170,17349,17350],{},"Такий запит важко виразити через методи ORM без втрати читабельності або продуктивності.",[5170,17352,17353],{},[5132,17354,17355],{},"2. Масові оновлення з підзапитами:",[5228,17357,17359],{"className":5758,"code":17358,"language":5761,"meta":5233,"style":5233},"const query = `\n  UPDATE products\n  SET discount = 0.15\n  WHERE category_id IN (\n    SELECT id FROM categories WHERE seasonal = true\n  )\n`;\n",[5110,17360,17361,17371,17376,17381,17386,17391,17396],{"__ignoreMap":5233},[5237,17362,17363,17365,17367,17369],{"class":5239,"line":5240},[5237,17364,6121],{"class":5538},[5237,17366,8314],{"class":5813},[5237,17368,5817],{"class":5623},[5237,17370,8675],{"class":5525},[5237,17372,17373],{"class":5239,"line":5246},[5237,17374,17375],{"class":5525},"  UPDATE products\n",[5237,17377,17378],{"class":5239,"line":5252},[5237,17379,17380],{"class":5525},"  SET discount = 0.15\n",[5237,17382,17383],{"class":5239,"line":5258},[5237,17384,17385],{"class":5525},"  WHERE category_id IN (\n",[5237,17387,17388],{"class":5239,"line":5264},[5237,17389,17390],{"class":5525},"    SELECT id FROM categories WHERE seasonal = true\n",[5237,17392,17393],{"class":5239,"line":5271},[5237,17394,17395],{"class":5525},"  )\n",[5237,17397,17398,17400],{"class":5239,"line":5277},[5237,17399,8122],{"class":5525},[5237,17401,5787],{"class":5623},[5170,17403,17404],{},[5132,17405,17406],{},"3. Використання специфічних можливостей PostgreSQL:",[5092,17408,17409,17418,17424,17427],{},[5095,17410,17411,17412,5473,17415,13175],{},"Повнотекстовий пошук (",[5110,17413,17414],{},"tsvector",[5110,17416,17417],{},"tsquery",[5095,17419,17420,17421,13175],{},"JSON-оператори (",[5110,17422,17423],{},"jsonb_path_query",[5095,17425,17426],{},"Рекурсивні запити (Recursive CTE)",[5095,17428,17429],{},"Геопросторові запити через PostGIS",[5228,17431,17433],{"className":5758,"code":17432,"language":5761,"meta":5233,"style":5233},"\u002F\u002F Повнотекстовий пошук\nconst query = `\n  SELECT id, title, ts_rank(search_vector, query) as rank\n  FROM articles, plainto_tsquery('english', $1) query\n  WHERE search_vector @@ query\n  ORDER BY rank DESC\n  LIMIT 20\n`;\n\nconst results = await pool.query(query, ['machine learning']);\n",[5110,17434,17435,17440,17450,17455,17460,17465,17470,17475,17481,17485],{"__ignoreMap":5233},[5237,17436,17437],{"class":5239,"line":5240},[5237,17438,17439],{"class":5904},"\u002F\u002F Повнотекстовий пошук\n",[5237,17441,17442,17444,17446,17448],{"class":5239,"line":5246},[5237,17443,6121],{"class":5538},[5237,17445,8314],{"class":5813},[5237,17447,5817],{"class":5623},[5237,17449,8675],{"class":5525},[5237,17451,17452],{"class":5239,"line":5252},[5237,17453,17454],{"class":5525},"  SELECT id, title, ts_rank(search_vector, query) as rank\n",[5237,17456,17457],{"class":5239,"line":5258},[5237,17458,17459],{"class":5525},"  FROM articles, plainto_tsquery('english', $1) query\n",[5237,17461,17462],{"class":5239,"line":5264},[5237,17463,17464],{"class":5525},"  WHERE search_vector @@ query\n",[5237,17466,17467],{"class":5239,"line":5271},[5237,17468,17469],{"class":5525},"  ORDER BY rank DESC\n",[5237,17471,17472],{"class":5239,"line":5277},[5237,17473,17474],{"class":5525},"  LIMIT 20\n",[5237,17476,17477,17479],{"class":5239,"line":5283},[5237,17478,8122],{"class":5525},[5237,17480,5787],{"class":5623},[5237,17482,17483],{"class":5239,"line":5289},[5237,17484,5268],{"emptyLinePlaceholder":5267},[5237,17486,17487,17489,17492,17494,17496,17498,17500,17502,17504,17506,17508,17511],{"class":5239,"line":5295},[5237,17488,6121],{"class":5538},[5237,17490,17491],{"class":5813}," results",[5237,17493,5817],{"class":5623},[5237,17495,5956],{"class":5768},[5237,17497,6124],{"class":5775},[5237,17499,5199],{"class":5623},[5237,17501,5963],{"class":5522},[5237,17503,5918],{"class":5623},[5237,17505,5963],{"class":5775},[5237,17507,11118],{"class":5623},[5237,17509,17510],{"class":5525},"'machine learning'",[5237,17512,11127],{"class":5623},[5488,17514,17515,17516,17519],{},"Загальне правило: використовуйте ORM для стандартних CRUD-операцій та простих JOIN, але переходьте на raw SQL для оптимізації критичних шляхів (",[5102,17517,17518],{},"hot paths",") або коли потрібні специфічні можливості БД.",[5162,17521],{},[5165,17523,17525],{"id":17524},"підсумок","Підсумок",[5170,17527,17528,17529,17531],{},"У цій лекції ми детально розглянули роботу з реляційними базами даних у Node.js через нативний драйвер ",[5110,17530,5112],{},". Ви дізналися:",[5084,17533,17534,17574],{},[5087,17535,17538],{"icon":17536,"title":17537},"i-lucide-check-circle","✅ Що ви опанували",[5092,17539,17540,17543,17552,17555,17558,17568],{},[5095,17541,17542],{},"Архітектуру взаємодії Node.js із PostgreSQL через TCP-сокети та протокол Frontend\u002FBackend.",[5095,17544,17545,17546,17548,17549,17551],{},"Різницю між ",[5110,17547,5731],{}," (одне з'єднання) та ",[5110,17550,5735],{}," (пул з'єднань) у контексті високонавантажених застосунків.",[5095,17553,17554],{},"Безпечне виконання SQL-запитів через параметризовані плейсхолдери для запобігання SQL-ін'єкціям.",[5095,17556,17557],{},"Конфігурацію пулів з'єднань: розмір, таймаути, SSL-налаштування для production.",[5095,17559,17560,17561,5473,17563,5473,17565,17567],{},"Реалізацію транзакцій (",[5110,17562,12695],{},[5110,17564,12698],{},[5110,17566,12701],{},") для атомарності операцій.",[5095,17569,17570,17571,17573],{},"Обробку помилок PostgreSQL через коди ",[5110,17572,13785],{}," та graceful shutdown застосунку.",[5087,17575,17578],{"icon":17576,"title":17577},"i-lucide-arrow-right","🚀 Наступні кроки",[5092,17579,17580,17586,17589],{},[5095,17581,17582,17583,17585],{},"У наступній лекції ми перейдемо до вивчення ORM (",[5102,17584,5104],{},") та познайомимося з TypeORM — потужною бібліотекою для роботи з базами даних через класи та декоратори.",[5095,17587,17588],{},"Ви дізнаєтеся, як TypeORM автоматизує багато рутинних операцій, які ми виконували вручну у цій лекції.",[5095,17590,17591],{},"Проте знання чистого SQL та драйверів залишається критично важливим для розуміння того, що відбувається «під капотом» ORM.",[7739,17593,17594,17604,17744],{},[7742,17595,17597,17598,17600,17601,17603],{"icon":7744,"label":17596},"❓ Чи можна використовувати `pg` разом із TypeORM у одному проєкті?","Так, це розповсюджена практика. TypeORM використовує драйвер ",[5110,17599,5112],{}," під капотом, але ви можете створити окремий ",[5110,17602,5735],{}," для виконання специфічних raw SQL запитів, які важко виразити через QueryBuilder або Entity репозиторії. У цьому випадку переконайтеся, що обидва пули використовують різні ідентифікатори з'єднань або координуються через один пул.",[7742,17605,17607,17618,17737],{"icon":7744,"label":17606},"❓ Як налаштувати логування всіх SQL-запитів для дебагу?",[5170,17608,5738,17609,17611,17612,17615,17616,8151],{},[5110,17610,5112],{}," не має вбудованого логування запитів, але ви можете створити обгортку (",[5102,17613,17614],{},"wrapper",") над методом ",[5110,17617,5963],{},[5228,17619,17621],{"className":5758,"code":17620,"language":5761,"meta":5233,"style":5233},"const originalQuery = pool.query.bind(pool);\npool.query = (...args: any[]) => {\n  console.log('SQL:', args[0]);\n  console.log('Params:', args[1]);\n  return originalQuery(...args);\n};\n",[5110,17622,17623,17649,17674,17697,17720,17733],{"__ignoreMap":5233},[5237,17624,17625,17627,17630,17632,17634,17636,17638,17640,17643,17645,17647],{"class":5239,"line":5240},[5237,17626,6121],{"class":5538},[5237,17628,17629],{"class":5813}," originalQuery",[5237,17631,5817],{"class":5623},[5237,17633,7800],{"class":5775},[5237,17635,5199],{"class":5623},[5237,17637,5963],{"class":5775},[5237,17639,5199],{"class":5623},[5237,17641,17642],{"class":5522},"bind",[5237,17644,5918],{"class":5623},[5237,17646,7800],{"class":5775},[5237,17648,5931],{"class":5623},[5237,17650,17651,17653,17655,17657,17660,17663,17665,17667,17670,17672],{"class":5239,"line":5246},[5237,17652,7800],{"class":5775},[5237,17654,5199],{"class":5623},[5237,17656,5963],{"class":5522},[5237,17658,17659],{"class":5623}," = (...",[5237,17661,17662],{"class":5775},"args",[5237,17664,5469],{"class":5623},[5237,17666,8175],{"class":6682},[5237,17668,17669],{"class":5623},"[]) ",[5237,17671,9662],{"class":5538},[5237,17673,5943],{"class":5623},[5237,17675,17676,17678,17680,17682,17684,17687,17689,17691,17693,17695],{"class":5239,"line":5252},[5237,17677,5910],{"class":5775},[5237,17679,5199],{"class":5623},[5237,17681,5915],{"class":5522},[5237,17683,5918],{"class":5623},[5237,17685,17686],{"class":5525},"'SQL:'",[5237,17688,5473],{"class":5623},[5237,17690,17662],{"class":5775},[5237,17692,5997],{"class":5623},[5237,17694,6000],{"class":5844},[5237,17696,11127],{"class":5623},[5237,17698,17699,17701,17703,17705,17707,17710,17712,17714,17716,17718],{"class":5239,"line":5258},[5237,17700,5910],{"class":5775},[5237,17702,5199],{"class":5623},[5237,17704,5915],{"class":5522},[5237,17706,5918],{"class":5623},[5237,17708,17709],{"class":5525},"'Params:'",[5237,17711,5473],{"class":5623},[5237,17713,17662],{"class":5775},[5237,17715,5997],{"class":5623},[5237,17717,7708],{"class":5844},[5237,17719,11127],{"class":5623},[5237,17721,17722,17724,17726,17729,17731],{"class":5239,"line":5264},[5237,17723,8571],{"class":5768},[5237,17725,17629],{"class":5522},[5237,17727,17728],{"class":5623},"(...",[5237,17730,17662],{"class":5775},[5237,17732,5931],{"class":5623},[5237,17734,17735],{"class":5239,"line":5271},[5237,17736,6841],{"class":5623},[5170,17738,17739,17740,17743],{},"Альтернативно, використовуйте бібліотеку ",[5110,17741,17742],{},"pg-monitor"," для структурованого логування.",[7742,17745,17747,17757,18024],{"icon":7744,"label":17746},"❓ Що робити, якщо база даних тимчасово недоступна?",[5170,17748,17749,17750,17753,17754,9789],{},"Реалізуйте механізм повторних спроб (",[5102,17751,17752],{},"retry logic",") з експоненційною затримкою (",[5102,17755,17756],{},"exponential backoff",[5228,17758,17760],{"className":5758,"code":17759,"language":5761,"meta":5233,"style":5233},"async function queryWithRetry(query: string, values: any[], maxRetries = 3) {\n  for (let i = 0; i \u003C maxRetries; i++) {\n    try {\n      return await pool.query(query, values);\n    } catch (error) {\n      if (i === maxRetries - 1) throw error;\n      const delay = Math.pow(2, i) * 1000; \u002F\u002F 1s, 2s, 4s\n      console.log(`Retry ${i + 1}\u002F${maxRetries} after ${delay}ms`);\n      await new Promise(resolve => setTimeout(resolve, delay));\n    }\n  }\n}\n",[5110,17761,17762,17800,17833,17839,17862,17874,17899,17936,17983,18012,18016,18020],{"__ignoreMap":5233},[5237,17763,17764,17766,17768,17771,17773,17775,17777,17779,17781,17783,17785,17787,17790,17793,17795,17798],{"class":5239,"line":5240},[5237,17765,5796],{"class":5538},[5237,17767,5799],{"class":5538},[5237,17769,17770],{"class":5522}," queryWithRetry",[5237,17772,5918],{"class":5623},[5237,17774,5963],{"class":5775},[5237,17776,5469],{"class":5623},[5237,17778,6849],{"class":6682},[5237,17780,5473],{"class":5623},[5237,17782,8508],{"class":5775},[5237,17784,5469],{"class":5623},[5237,17786,8175],{"class":6682},[5237,17788,17789],{"class":5623},"[], ",[5237,17791,17792],{"class":5775},"maxRetries",[5237,17794,5817],{"class":5623},[5237,17796,17797],{"class":5844},"3",[5237,17799,7499],{"class":5623},[5237,17801,17802,17805,17807,17810,17813,17815,17817,17819,17822,17824,17826,17828,17830],{"class":5239,"line":5246},[5237,17803,17804],{"class":5768},"  for",[5237,17806,5113],{"class":5623},[5237,17808,17809],{"class":5538},"let",[5237,17811,17812],{"class":5775}," i",[5237,17814,5817],{"class":5623},[5237,17816,6000],{"class":5844},[5237,17818,8304],{"class":5623},[5237,17820,17821],{"class":5775},"i",[5237,17823,12880],{"class":5623},[5237,17825,17792],{"class":5775},[5237,17827,8304],{"class":5623},[5237,17829,17821],{"class":5775},[5237,17831,17832],{"class":5623},"++) {\n",[5237,17834,17835,17837],{"class":5239,"line":5252},[5237,17836,15850],{"class":5768},[5237,17838,5943],{"class":5623},[5237,17840,17841,17843,17846,17848,17850,17852,17854,17856,17858,17860],{"class":5239,"line":5258},[5237,17842,15486],{"class":5768},[5237,17844,17845],{"class":5768}," await",[5237,17847,6124],{"class":5775},[5237,17849,5199],{"class":5623},[5237,17851,5963],{"class":5522},[5237,17853,5918],{"class":5623},[5237,17855,5963],{"class":5775},[5237,17857,5473],{"class":5623},[5237,17859,8508],{"class":5775},[5237,17861,5931],{"class":5623},[5237,17863,17864,17866,17868,17870,17872],{"class":5239,"line":5264},[5237,17865,16022],{"class":5623},[5237,17867,7491],{"class":5768},[5237,17869,5113],{"class":5623},[5237,17871,7496],{"class":5775},[5237,17873,7499],{"class":5623},[5237,17875,17876,17878,17880,17882,17884,17886,17888,17890,17892,17895,17897],{"class":5239,"line":5271},[5237,17877,7556],{"class":5768},[5237,17879,5113],{"class":5623},[5237,17881,17821],{"class":5775},[5237,17883,6605],{"class":5623},[5237,17885,17792],{"class":5775},[5237,17887,7831],{"class":5623},[5237,17889,7708],{"class":5844},[5237,17891,9659],{"class":5623},[5237,17893,17894],{"class":5768},"throw",[5237,17896,10229],{"class":5775},[5237,17898,5787],{"class":5623},[5237,17900,17901,17904,17907,17909,17912,17914,17917,17919,17921,17923,17925,17928,17931,17933],{"class":5239,"line":5277},[5237,17902,17903],{"class":5538},"      const",[5237,17905,17906],{"class":5813}," delay",[5237,17908,5817],{"class":5623},[5237,17910,17911],{"class":5775},"Math",[5237,17913,5199],{"class":5623},[5237,17915,17916],{"class":5522},"pow",[5237,17918,5918],{"class":5623},[5237,17920,10121],{"class":5844},[5237,17922,5473],{"class":5623},[5237,17924,17821],{"class":5775},[5237,17926,17927],{"class":5623},") * ",[5237,17929,17930],{"class":5844},"1000",[5237,17932,8304],{"class":5623},[5237,17934,17935],{"class":5904},"\u002F\u002F 1s, 2s, 4s\n",[5237,17937,17938,17940,17942,17944,17946,17949,17951,17953,17955,17957,17959,17962,17964,17966,17968,17971,17973,17976,17978,17981],{"class":5239,"line":5283},[5237,17939,7521],{"class":5775},[5237,17941,5199],{"class":5623},[5237,17943,5915],{"class":5522},[5237,17945,5918],{"class":5623},[5237,17947,17948],{"class":5525},"`Retry 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