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C#","\u002Fcsharp\u002Fadvanced-core\u002Fadditional-features","01.csharp\u002F03.advanced-core\u002F06.additional-features",{"title":121,"icon":122,"path":123,"stem":124,"children":125,"page":59},"Architecture Best Practices","i-lucide-building-2","\u002Fcsharp\u002Farchitecture-best-practices","01.csharp\u002F04.architecture-best-practices",[126,130,149,153,157,161,165,169],{"title":127,"path":128,"stem":129},"Software Design Principles (Частина 1)","\u002Fcsharp\u002Farchitecture-best-practices\u002Fsoftware-design-principles","01.csharp\u002F04.architecture-best-practices\u002F01.software-design-principles",{"title":131,"icon":132,"path":133,"stem":134,"children":135,"page":59},"Design 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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":4216,"body":5076,"description":18992,"extension":18993,"links":18994,"meta":18995,"navigation":5215,"path":4217,"seo":18996,"stem":4218,"__hash__":18997},"docs\u002F18.web-development\u002F05.nodejs-platform\u002F13.performance-best-practices.md",{"type":5077,"value":5078,"toc":18939},"minimark",[5079,5083,5154,5159,5164,5177,5384,5389,5410,5415,5435,5442,5446,5453,5457,5778,5782,6364,6368,6371,6827,6835,6839,6843,6850,7084,7090,7094,7306,7310,7317,7734,7740,7744,7747,7896,8231,8234,8238,9597,9603,9607,9613,9617,10287,10404,10408,10415,10575,10582,10586,10589,10821,10825,10831,11068,11071,11137,11143,11147,11150,11154,11161,11981,11988,11992,11995,12256,12260,12844,12855,12859,12862,13196,13199,13203,13206,13210,13800,13814,13818,14087,14091,14095,14101,14127,14131,14541,14546,14668,14672,15095,15176,15179,15183,15187,15190,15894,15898,15901,16634,16637,16641,16645,17381,17386,17394,17398,18760,18764,18870,18932,18935],[5080,5081,4216],"h1",{"id":5082},"продуктивність-та-best-practices",[5084,5085,5086,5118],"card-group",{},[5087,5088,5091],"card",{"icon":5089,"title":5090},"i-lucide-target","🎯 Мета лекції",[5092,5093,5094,5098,5101,5109,5112,5115],"ul",{},[5095,5096,5097],"li",{},"Зрозуміти архітектурні обмеження Node.js та стратегії їх подолання.",[5095,5099,5100],{},"Опанувати техніки оптимізації Event Loop та уникнення блокувань.",[5095,5102,5103,5104,5108],{},"Освоїти кластеризацію через модуль ",[5105,5106,5107],"code",{},"cluster"," та PM2 для утилізації всіх CPU-ядер.",[5095,5110,5111],{},"Вивчити використання Worker Threads для CPU-інтенсивних обчислень.",[5095,5113,5114],{},"Навчитися впроваджувати кешування (in-memory, Redis), compression та connection pooling.",[5095,5116,5117],{},"Опанувати моніторинг продуктивності через метрики та health checks.",[5087,5119,5121],{"icon":4574,"title":5120},"🔑 Ключові терміни",[5092,5122,5123,5130,5136,5142,5148],{},[5095,5124,5125,5129],{},[5126,5127,5128],"strong",{},"Event Loop Blocking:"," затримка Event Loop через синхронний або тривалий код, що зупиняє обробку інших запитів.",[5095,5131,5132,5135],{},[5126,5133,5134],{},"Cluster:"," механізм запуску кількох Node.js-процесів, які розподіляють навантаження між CPU-ядрами.",[5095,5137,5138,5141],{},[5126,5139,5140],{},"Worker Threads:"," легковагі потоки для паралельного виконання JavaScript без блокування головного потоку.",[5095,5143,5144,5147],{},[5126,5145,5146],{},"Connection Pool:"," набір повторно використовуваних з'єднань до бази даних або зовнішнього сервісу.",[5095,5149,5150,5153],{},[5126,5151,5152],{},"Throughput:"," кількість запитів, які сервер може обробити за одиницю часу (RPS — requests per second).",[5155,5156,5158],"h2",{"id":5157},"архітектурні-обмеження-nodejs","Архітектурні обмеження Node.js",[5160,5161,5163],"h3",{"id":5162},"однопотокова-модель-переваги-та-виклики","Однопотокова модель: переваги та виклики",[5165,5166,5167,5168,5171,5172,5176],"p",{},"Node.js виконує JavaScript-код у ",[5126,5169,5170],{},"одному потоці"," (",[5173,5174,5175],"em",{},"single-threaded","), використовуючи Event Loop для управління асинхронними операціями. Ця архітектура має фундаментальні наслідки для продуктивності.",[5178,5179,5181],"plant-uml",{"alt":5180},"Архітектура Node.js: Event Loop та Thread Pool",[5182,5183,5188],"pre",{"className":5184,"code":5185,"language":5186,"meta":5187,"style":5187},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\nrectangle \"JavaScript виконання\\n(Головний потік)\" as MainThread #DBEAFE {\n  rectangle \"Event Loop\" as EventLoop #E2E8F0\n  rectangle \"Call Stack\" as CallStack #FEF3C7\n}\n\nrectangle \"libuv Thread Pool\\n(4 потоки за замовчуванням)\" as ThreadPool #DCFCE7 {\n  rectangle \"Thread 1\\nfs, crypto, DNS\" as T1 #E2E8F0\n  rectangle \"Thread 2\\nfs, crypto, DNS\" as T2 #E2E8F0\n  rectangle \"Thread 3\\nfs, crypto, DNS\" as T3 #E2E8F0\n  rectangle \"Thread 4\\nfs, crypto, DNS\" as T4 #E2E8F0\n}\n\ncloud \"Операційна система\\nКерел\" as OS #F1F5F9 {\n  rectangle \"Network I\u002FO\\n(epoll, kqueue)\" as Network #DBEAFE\n}\n\nCallStack --> EventLoop : Асинхронні виклики\nEventLoop --> ThreadPool : Блокуючі операції\\n(файли, шифрування)\nEventLoop --> Network : Неблокуючі операції\\n(HTTP, TCP)\nThreadPool --> EventLoop : Callback після завершення\nNetwork --> EventLoop : Callback після завершення\n\nnote right of MainThread\n  \u003Cb>ОБМЕЖЕННЯ:\u003C\u002Fb>\n  Синхронний код блокує\n  Event Loop та всі інші запити\nend note\n\n@enduml\n","plantuml","",[5105,5189,5190,5198,5204,5210,5217,5223,5229,5235,5241,5246,5252,5258,5264,5270,5276,5281,5286,5292,5298,5303,5308,5314,5320,5326,5332,5338,5343,5349,5355,5361,5367,5373,5378],{"__ignoreMap":5187},[5191,5192,5195],"span",{"class":5193,"line":5194},"line",1,[5191,5196,5197],{},"@startuml\n",[5191,5199,5201],{"class":5193,"line":5200},2,[5191,5202,5203],{},"skinparam style plain\n",[5191,5205,5207],{"class":5193,"line":5206},3,[5191,5208,5209],{},"skinparam backgroundColor #FFFFFF\n",[5191,5211,5213],{"class":5193,"line":5212},4,[5191,5214,5216],{"emptyLinePlaceholder":5215},true,"\n",[5191,5218,5220],{"class":5193,"line":5219},5,[5191,5221,5222],{},"rectangle \"JavaScript виконання\\n(Головний потік)\" as MainThread #DBEAFE {\n",[5191,5224,5226],{"class":5193,"line":5225},6,[5191,5227,5228],{},"  rectangle \"Event Loop\" as EventLoop #E2E8F0\n",[5191,5230,5232],{"class":5193,"line":5231},7,[5191,5233,5234],{},"  rectangle \"Call Stack\" as CallStack #FEF3C7\n",[5191,5236,5238],{"class":5193,"line":5237},8,[5191,5239,5240],{},"}\n",[5191,5242,5244],{"class":5193,"line":5243},9,[5191,5245,5216],{"emptyLinePlaceholder":5215},[5191,5247,5249],{"class":5193,"line":5248},10,[5191,5250,5251],{},"rectangle \"libuv Thread Pool\\n(4 потоки за замовчуванням)\" as ThreadPool #DCFCE7 {\n",[5191,5253,5255],{"class":5193,"line":5254},11,[5191,5256,5257],{},"  rectangle \"Thread 1\\nfs, crypto, DNS\" as T1 #E2E8F0\n",[5191,5259,5261],{"class":5193,"line":5260},12,[5191,5262,5263],{},"  rectangle \"Thread 2\\nfs, crypto, DNS\" as T2 #E2E8F0\n",[5191,5265,5267],{"class":5193,"line":5266},13,[5191,5268,5269],{},"  rectangle \"Thread 3\\nfs, crypto, DNS\" as T3 #E2E8F0\n",[5191,5271,5273],{"class":5193,"line":5272},14,[5191,5274,5275],{},"  rectangle \"Thread 4\\nfs, crypto, DNS\" as T4 #E2E8F0\n",[5191,5277,5279],{"class":5193,"line":5278},15,[5191,5280,5240],{},[5191,5282,5284],{"class":5193,"line":5283},16,[5191,5285,5216],{"emptyLinePlaceholder":5215},[5191,5287,5289],{"class":5193,"line":5288},17,[5191,5290,5291],{},"cloud \"Операційна система\\nКерел\" as OS #F1F5F9 {\n",[5191,5293,5295],{"class":5193,"line":5294},18,[5191,5296,5297],{},"  rectangle \"Network I\u002FO\\n(epoll, kqueue)\" as Network #DBEAFE\n",[5191,5299,5301],{"class":5193,"line":5300},19,[5191,5302,5240],{},[5191,5304,5306],{"class":5193,"line":5305},20,[5191,5307,5216],{"emptyLinePlaceholder":5215},[5191,5309,5311],{"class":5193,"line":5310},21,[5191,5312,5313],{},"CallStack --> EventLoop : Асинхронні виклики\n",[5191,5315,5317],{"class":5193,"line":5316},22,[5191,5318,5319],{},"EventLoop --> ThreadPool : Блокуючі операції\\n(файли, шифрування)\n",[5191,5321,5323],{"class":5193,"line":5322},23,[5191,5324,5325],{},"EventLoop --> Network : Неблокуючі операції\\n(HTTP, TCP)\n",[5191,5327,5329],{"class":5193,"line":5328},24,[5191,5330,5331],{},"ThreadPool --> EventLoop : Callback після завершення\n",[5191,5333,5335],{"class":5193,"line":5334},25,[5191,5336,5337],{},"Network --> EventLoop : Callback після завершення\n",[5191,5339,5341],{"class":5193,"line":5340},26,[5191,5342,5216],{"emptyLinePlaceholder":5215},[5191,5344,5346],{"class":5193,"line":5345},27,[5191,5347,5348],{},"note right of MainThread\n",[5191,5350,5352],{"class":5193,"line":5351},28,[5191,5353,5354],{},"  \u003Cb>ОБМЕЖЕННЯ:\u003C\u002Fb>\n",[5191,5356,5358],{"class":5193,"line":5357},29,[5191,5359,5360],{},"  Синхронний код блокує\n",[5191,5362,5364],{"class":5193,"line":5363},30,[5191,5365,5366],{},"  Event Loop та всі інші запити\n",[5191,5368,5370],{"class":5193,"line":5369},31,[5191,5371,5372],{},"end note\n",[5191,5374,5376],{"class":5193,"line":5375},32,[5191,5377,5216],{"emptyLinePlaceholder":5215},[5191,5379,5381],{"class":5193,"line":5380},33,[5191,5382,5383],{},"@enduml\n",[5165,5385,5386],{},[5126,5387,5388],{},"Переваги однопотоковості:",[5390,5391,5392,5398,5404],"ol",{},[5095,5393,5394,5397],{},[5126,5395,5396],{},"Відсутність race conditions:"," Немає потреби у mutex, locks чи інших примітивах синхронізації.",[5095,5399,5400,5403],{},[5126,5401,5402],{},"Низькі накладні витрати:"," Один потік не створює overhead на перемикання контексту.",[5095,5405,5406,5409],{},[5126,5407,5408],{},"Простота розробки:"," Немає складності багатопотокового програмування.",[5165,5411,5412],{},[5126,5413,5414],{},"Виклики:",[5390,5416,5417,5423,5429],{},[5095,5418,5419,5422],{},[5126,5420,5421],{},"CPU-bound операції блокують Event Loop:"," Обчислення, що тривають >10 мс, зупиняють обробку всіх інших запитів.",[5095,5424,5425,5428],{},[5126,5426,5427],{},"Одноядерна утилізація:"," За замовчуванням Node.js використовує лише одне CPU-ядро.",[5095,5430,5431,5434],{},[5126,5432,5433],{},"Відсутність справжнього паралелізму:"," JavaScript-код не може виконуватися одночасно на кількох ядрах.",[5436,5437,5438,5441],"warning",{},[5126,5439,5440],{},"Золоте правило:"," Якщо операція займає >10 мілісекунд синхронного часу, вона блокує Event Loop і має бути оптимізована або винесена у Worker Thread.",[5155,5443,5445],{"id":5444},"вимірювання-продуктивності-perf_hooks","Вимірювання продуктивності: perf_hooks",[5165,5447,5448,5449,5452],{},"Модуль ",[5105,5450,5451],{},"perf_hooks"," надає високоточний API для вимірювання продуктивності коду, аналогічний Web Performance API у браузерах.",[5160,5454,5456],{"id":5455},"performance-timeline-api","Performance Timeline API",[5182,5458,5462],{"className":5459,"code":5460,"language":5461,"meta":5187,"style":5187},"language-typescript shiki shiki-themes light-plus dark-plus dark-plus","import { performance, PerformanceObserver } from 'node:perf_hooks';\n\n\u002F\u002F Спостерігач за всіма вимірюваннями\nconst obs = new PerformanceObserver((items) => {\n  items.getEntries().forEach((entry) => {\n    console.log(`${entry.name}: ${entry.duration.toFixed(2)} ms`);\n  });\n});\n\nobs.observe({ entryTypes: ['measure'], buffered: true });\n\n\u002F\u002F Вимірювання часу виконання операції\nperformance.mark('start-db-query');\n\nawait queryDatabase('SELECT * FROM users WHERE active = true');\n\nperformance.mark('end-db-query');\nperformance.measure('Database Query', 'start-db-query', 'end-db-query');\n\n\u002F\u002F Вивід: Database Query: 42.35 ms\n","typescript",[5105,5463,5464,5497,5501,5507,5542,5570,5634,5639,5644,5648,5682,5686,5691,5707,5711,5726,5730,5745,5769,5773],{"__ignoreMap":5187},[5191,5465,5466,5470,5474,5478,5481,5484,5487,5490,5494],{"class":5193,"line":5194},[5191,5467,5469],{"class":5468},"s8xlr","import",[5191,5471,5473],{"class":5472},"sHH4Y"," { ",[5191,5475,5477],{"class":5476},"siwwj","performance",[5191,5479,5480],{"class":5472},", ",[5191,5482,5483],{"class":5476},"PerformanceObserver",[5191,5485,5486],{"class":5472}," } ",[5191,5488,5489],{"class":5468},"from",[5191,5491,5493],{"class":5492},"sbdoH"," 'node:perf_hooks'",[5191,5495,5496],{"class":5472},";\n",[5191,5498,5499],{"class":5193,"line":5200},[5191,5500,5216],{"emptyLinePlaceholder":5215},[5191,5502,5503],{"class":5193,"line":5206},[5191,5504,5506],{"class":5505},"spJ8K","\u002F\u002F Спостерігач за всіма вимірюваннями\n",[5191,5508,5509,5513,5517,5520,5523,5527,5530,5533,5536,5539],{"class":5193,"line":5212},[5191,5510,5512],{"class":5511},"su1O8","const",[5191,5514,5516],{"class":5515},"s-QsJ"," obs",[5191,5518,5519],{"class":5472}," = ",[5191,5521,5522],{"class":5511},"new",[5191,5524,5526],{"class":5525},"s8Opu"," PerformanceObserver",[5191,5528,5529],{"class":5472},"((",[5191,5531,5532],{"class":5476},"items",[5191,5534,5535],{"class":5472},") ",[5191,5537,5538],{"class":5511},"=>",[5191,5540,5541],{"class":5472}," {\n",[5191,5543,5544,5547,5550,5553,5556,5559,5561,5564,5566,5568],{"class":5193,"line":5219},[5191,5545,5546],{"class":5476},"  items",[5191,5548,5549],{"class":5472},".",[5191,5551,5552],{"class":5525},"getEntries",[5191,5554,5555],{"class":5472},"().",[5191,5557,5558],{"class":5525},"forEach",[5191,5560,5529],{"class":5472},[5191,5562,5563],{"class":5476},"entry",[5191,5565,5535],{"class":5472},[5191,5567,5538],{"class":5511},[5191,5569,5541],{"class":5472},[5191,5571,5572,5575,5577,5580,5583,5586,5589,5591,5594,5597,5600,5603,5605,5607,5609,5612,5614,5617,5619,5623,5626,5628,5631],{"class":5193,"line":5225},[5191,5573,5574],{"class":5476},"    console",[5191,5576,5549],{"class":5472},[5191,5578,5579],{"class":5525},"log",[5191,5581,5582],{"class":5472},"(",[5191,5584,5585],{"class":5492},"`",[5191,5587,5588],{"class":5511},"${",[5191,5590,5563],{"class":5476},[5191,5592,5549],{"class":5593},"sD7JJ",[5191,5595,5596],{"class":5476},"name",[5191,5598,5599],{"class":5511},"}",[5191,5601,5602],{"class":5492},": ",[5191,5604,5588],{"class":5511},[5191,5606,5563],{"class":5476},[5191,5608,5549],{"class":5593},[5191,5610,5611],{"class":5476},"duration",[5191,5613,5549],{"class":5593},[5191,5615,5616],{"class":5525},"toFixed",[5191,5618,5582],{"class":5593},[5191,5620,5622],{"class":5621},"sJj4R","2",[5191,5624,5625],{"class":5593},")",[5191,5627,5599],{"class":5511},[5191,5629,5630],{"class":5492}," ms`",[5191,5632,5633],{"class":5472},");\n",[5191,5635,5636],{"class":5193,"line":5231},[5191,5637,5638],{"class":5472},"  });\n",[5191,5640,5641],{"class":5193,"line":5237},[5191,5642,5643],{"class":5472},"});\n",[5191,5645,5646],{"class":5193,"line":5243},[5191,5647,5216],{"emptyLinePlaceholder":5215},[5191,5649,5650,5653,5655,5658,5661,5664,5667,5670,5673,5676,5679],{"class":5193,"line":5248},[5191,5651,5652],{"class":5476},"obs",[5191,5654,5549],{"class":5472},[5191,5656,5657],{"class":5525},"observe",[5191,5659,5660],{"class":5472},"({ ",[5191,5662,5663],{"class":5476},"entryTypes:",[5191,5665,5666],{"class":5472}," [",[5191,5668,5669],{"class":5492},"'measure'",[5191,5671,5672],{"class":5472},"], ",[5191,5674,5675],{"class":5476},"buffered:",[5191,5677,5678],{"class":5511}," true",[5191,5680,5681],{"class":5472}," });\n",[5191,5683,5684],{"class":5193,"line":5254},[5191,5685,5216],{"emptyLinePlaceholder":5215},[5191,5687,5688],{"class":5193,"line":5260},[5191,5689,5690],{"class":5505},"\u002F\u002F Вимірювання часу виконання операції\n",[5191,5692,5693,5695,5697,5700,5702,5705],{"class":5193,"line":5266},[5191,5694,5477],{"class":5476},[5191,5696,5549],{"class":5472},[5191,5698,5699],{"class":5525},"mark",[5191,5701,5582],{"class":5472},[5191,5703,5704],{"class":5492},"'start-db-query'",[5191,5706,5633],{"class":5472},[5191,5708,5709],{"class":5193,"line":5272},[5191,5710,5216],{"emptyLinePlaceholder":5215},[5191,5712,5713,5716,5719,5721,5724],{"class":5193,"line":5278},[5191,5714,5715],{"class":5468},"await",[5191,5717,5718],{"class":5525}," queryDatabase",[5191,5720,5582],{"class":5472},[5191,5722,5723],{"class":5492},"'SELECT * FROM users WHERE active = true'",[5191,5725,5633],{"class":5472},[5191,5727,5728],{"class":5193,"line":5283},[5191,5729,5216],{"emptyLinePlaceholder":5215},[5191,5731,5732,5734,5736,5738,5740,5743],{"class":5193,"line":5288},[5191,5733,5477],{"class":5476},[5191,5735,5549],{"class":5472},[5191,5737,5699],{"class":5525},[5191,5739,5582],{"class":5472},[5191,5741,5742],{"class":5492},"'end-db-query'",[5191,5744,5633],{"class":5472},[5191,5746,5747,5749,5751,5754,5756,5759,5761,5763,5765,5767],{"class":5193,"line":5294},[5191,5748,5477],{"class":5476},[5191,5750,5549],{"class":5472},[5191,5752,5753],{"class":5525},"measure",[5191,5755,5582],{"class":5472},[5191,5757,5758],{"class":5492},"'Database Query'",[5191,5760,5480],{"class":5472},[5191,5762,5704],{"class":5492},[5191,5764,5480],{"class":5472},[5191,5766,5742],{"class":5492},[5191,5768,5633],{"class":5472},[5191,5770,5771],{"class":5193,"line":5300},[5191,5772,5216],{"emptyLinePlaceholder":5215},[5191,5774,5775],{"class":5193,"line":5305},[5191,5776,5777],{"class":5505},"\u002F\u002F Вивід: Database Query: 42.35 ms\n",[5160,5779,5781],{"id":5780},"функція-декоратор-для-автоматичного-вимірювання","Функція-декоратор для автоматичного вимірювання",[5182,5783,5785],{"className":5459,"code":5784,"language":5461,"meta":5187,"style":5187},"function measurePerformance\u003CT extends (...args: any[]) => any>(\n  fn: T,\n  label?: string\n): T {\n  return ((...args: Parameters\u003CT>): ReturnType\u003CT> => {\n    const name = label || fn.name || 'anonymous';\n    const startMark = `${name}-start`;\n    const endMark = `${name}-end`;\n\n    performance.mark(startMark);\n\n    const result = fn(...args);\n\n    \u002F\u002F Для асинхронних функцій\n    if (result instanceof Promise) {\n      return result.finally(() => {\n        performance.mark(endMark);\n        performance.measure(name, startMark, endMark);\n      }) as ReturnType\u003CT>;\n    }\n\n    \u002F\u002F Для синхронних функцій\n    performance.mark(endMark);\n    performance.measure(name, startMark, endMark);\n\n    return result;\n  }) as T;\n}\n\n\u002F\u002F Використання\nconst optimizedCalculation = measurePerformance(\n  (n: number) => {\n    let result = 0;\n    for (let i = 0; i \u003C n; i++) {\n      result += Math.sqrt(i);\n    }\n    return result;\n  },\n  'Heavy Calculation'\n);\n\noptimizedCalculation(1_000_000);\n\u002F\u002F Вивід: Heavy Calculation: 8.23 ms\n",[5105,5786,5787,5827,5839,5850,5859,5895,5925,5947,5969,5973,5989,5993,6011,6015,6020,6039,6058,6074,6096,6114,6119,6123,6128,6142,6164,6168,6177,6189,6193,6197,6202,6217,6236,6250,6286,6309,6314,6323,6329,6335,6340,6345,6358],{"__ignoreMap":5187},[5191,5788,5789,5792,5795,5798,5802,5805,5808,5811,5813,5816,5819,5821,5824],{"class":5193,"line":5194},[5191,5790,5791],{"class":5511},"function",[5191,5793,5794],{"class":5525}," measurePerformance",[5191,5796,5797],{"class":5472},"\u003C",[5191,5799,5801],{"class":5800},"sN1BT","T",[5191,5803,5804],{"class":5511}," extends",[5191,5806,5807],{"class":5472}," (...",[5191,5809,5810],{"class":5476},"args",[5191,5812,5602],{"class":5472},[5191,5814,5815],{"class":5800},"any",[5191,5817,5818],{"class":5472},"[]) ",[5191,5820,5538],{"class":5511},[5191,5822,5823],{"class":5800}," any",[5191,5825,5826],{"class":5472},">(\n",[5191,5828,5829,5832,5834,5836],{"class":5193,"line":5200},[5191,5830,5831],{"class":5476},"  fn",[5191,5833,5602],{"class":5472},[5191,5835,5801],{"class":5800},[5191,5837,5838],{"class":5472},",\n",[5191,5840,5841,5844,5847],{"class":5193,"line":5206},[5191,5842,5843],{"class":5476},"  label",[5191,5845,5846],{"class":5472},"?: ",[5191,5848,5849],{"class":5800},"string\n",[5191,5851,5852,5855,5857],{"class":5193,"line":5212},[5191,5853,5854],{"class":5472},"): ",[5191,5856,5801],{"class":5800},[5191,5858,5541],{"class":5472},[5191,5860,5861,5864,5867,5869,5871,5874,5876,5878,5881,5884,5886,5888,5891,5893],{"class":5193,"line":5219},[5191,5862,5863],{"class":5468},"  return",[5191,5865,5866],{"class":5472}," ((...",[5191,5868,5810],{"class":5476},[5191,5870,5602],{"class":5472},[5191,5872,5873],{"class":5800},"Parameters",[5191,5875,5797],{"class":5472},[5191,5877,5801],{"class":5800},[5191,5879,5880],{"class":5472},">): ",[5191,5882,5883],{"class":5800},"ReturnType",[5191,5885,5797],{"class":5472},[5191,5887,5801],{"class":5800},[5191,5889,5890],{"class":5472},"> ",[5191,5892,5538],{"class":5511},[5191,5894,5541],{"class":5472},[5191,5896,5897,5900,5903,5905,5908,5911,5914,5916,5918,5920,5923],{"class":5193,"line":5225},[5191,5898,5899],{"class":5511},"    const",[5191,5901,5902],{"class":5515}," name",[5191,5904,5519],{"class":5472},[5191,5906,5907],{"class":5476},"label",[5191,5909,5910],{"class":5472}," || ",[5191,5912,5913],{"class":5476},"fn",[5191,5915,5549],{"class":5472},[5191,5917,5596],{"class":5476},[5191,5919,5910],{"class":5472},[5191,5921,5922],{"class":5492},"'anonymous'",[5191,5924,5496],{"class":5472},[5191,5926,5927,5929,5932,5934,5936,5938,5940,5942,5945],{"class":5193,"line":5231},[5191,5928,5899],{"class":5511},[5191,5930,5931],{"class":5515}," startMark",[5191,5933,5519],{"class":5472},[5191,5935,5585],{"class":5492},[5191,5937,5588],{"class":5511},[5191,5939,5596],{"class":5476},[5191,5941,5599],{"class":5511},[5191,5943,5944],{"class":5492},"-start`",[5191,5946,5496],{"class":5472},[5191,5948,5949,5951,5954,5956,5958,5960,5962,5964,5967],{"class":5193,"line":5237},[5191,5950,5899],{"class":5511},[5191,5952,5953],{"class":5515}," endMark",[5191,5955,5519],{"class":5472},[5191,5957,5585],{"class":5492},[5191,5959,5588],{"class":5511},[5191,5961,5596],{"class":5476},[5191,5963,5599],{"class":5511},[5191,5965,5966],{"class":5492},"-end`",[5191,5968,5496],{"class":5472},[5191,5970,5971],{"class":5193,"line":5243},[5191,5972,5216],{"emptyLinePlaceholder":5215},[5191,5974,5975,5978,5980,5982,5984,5987],{"class":5193,"line":5248},[5191,5976,5977],{"class":5476},"    performance",[5191,5979,5549],{"class":5472},[5191,5981,5699],{"class":5525},[5191,5983,5582],{"class":5472},[5191,5985,5986],{"class":5476},"startMark",[5191,5988,5633],{"class":5472},[5191,5990,5991],{"class":5193,"line":5254},[5191,5992,5216],{"emptyLinePlaceholder":5215},[5191,5994,5995,5997,6000,6002,6004,6007,6009],{"class":5193,"line":5260},[5191,5996,5899],{"class":5511},[5191,5998,5999],{"class":5515}," result",[5191,6001,5519],{"class":5472},[5191,6003,5913],{"class":5525},[5191,6005,6006],{"class":5472},"(...",[5191,6008,5810],{"class":5476},[5191,6010,5633],{"class":5472},[5191,6012,6013],{"class":5193,"line":5266},[5191,6014,5216],{"emptyLinePlaceholder":5215},[5191,6016,6017],{"class":5193,"line":5272},[5191,6018,6019],{"class":5505},"    \u002F\u002F Для асинхронних функцій\n",[5191,6021,6022,6025,6027,6030,6033,6036],{"class":5193,"line":5278},[5191,6023,6024],{"class":5468},"    if",[5191,6026,5171],{"class":5472},[5191,6028,6029],{"class":5476},"result",[5191,6031,6032],{"class":5511}," instanceof",[5191,6034,6035],{"class":5800}," Promise",[5191,6037,6038],{"class":5472},") {\n",[5191,6040,6041,6044,6046,6048,6051,6054,6056],{"class":5193,"line":5283},[5191,6042,6043],{"class":5468},"      return",[5191,6045,5999],{"class":5476},[5191,6047,5549],{"class":5472},[5191,6049,6050],{"class":5525},"finally",[5191,6052,6053],{"class":5472},"(() ",[5191,6055,5538],{"class":5511},[5191,6057,5541],{"class":5472},[5191,6059,6060,6063,6065,6067,6069,6072],{"class":5193,"line":5288},[5191,6061,6062],{"class":5476},"        performance",[5191,6064,5549],{"class":5472},[5191,6066,5699],{"class":5525},[5191,6068,5582],{"class":5472},[5191,6070,6071],{"class":5476},"endMark",[5191,6073,5633],{"class":5472},[5191,6075,6076,6078,6080,6082,6084,6086,6088,6090,6092,6094],{"class":5193,"line":5294},[5191,6077,6062],{"class":5476},[5191,6079,5549],{"class":5472},[5191,6081,5753],{"class":5525},[5191,6083,5582],{"class":5472},[5191,6085,5596],{"class":5476},[5191,6087,5480],{"class":5472},[5191,6089,5986],{"class":5476},[5191,6091,5480],{"class":5472},[5191,6093,6071],{"class":5476},[5191,6095,5633],{"class":5472},[5191,6097,6098,6101,6104,6107,6109,6111],{"class":5193,"line":5300},[5191,6099,6100],{"class":5472},"      }) ",[5191,6102,6103],{"class":5468},"as",[5191,6105,6106],{"class":5800}," ReturnType",[5191,6108,5797],{"class":5472},[5191,6110,5801],{"class":5800},[5191,6112,6113],{"class":5472},">;\n",[5191,6115,6116],{"class":5193,"line":5305},[5191,6117,6118],{"class":5472},"    }\n",[5191,6120,6121],{"class":5193,"line":5310},[5191,6122,5216],{"emptyLinePlaceholder":5215},[5191,6124,6125],{"class":5193,"line":5316},[5191,6126,6127],{"class":5505},"    \u002F\u002F Для синхронних функцій\n",[5191,6129,6130,6132,6134,6136,6138,6140],{"class":5193,"line":5322},[5191,6131,5977],{"class":5476},[5191,6133,5549],{"class":5472},[5191,6135,5699],{"class":5525},[5191,6137,5582],{"class":5472},[5191,6139,6071],{"class":5476},[5191,6141,5633],{"class":5472},[5191,6143,6144,6146,6148,6150,6152,6154,6156,6158,6160,6162],{"class":5193,"line":5328},[5191,6145,5977],{"class":5476},[5191,6147,5549],{"class":5472},[5191,6149,5753],{"class":5525},[5191,6151,5582],{"class":5472},[5191,6153,5596],{"class":5476},[5191,6155,5480],{"class":5472},[5191,6157,5986],{"class":5476},[5191,6159,5480],{"class":5472},[5191,6161,6071],{"class":5476},[5191,6163,5633],{"class":5472},[5191,6165,6166],{"class":5193,"line":5334},[5191,6167,5216],{"emptyLinePlaceholder":5215},[5191,6169,6170,6173,6175],{"class":5193,"line":5340},[5191,6171,6172],{"class":5468},"    return",[5191,6174,5999],{"class":5476},[5191,6176,5496],{"class":5472},[5191,6178,6179,6182,6184,6187],{"class":5193,"line":5345},[5191,6180,6181],{"class":5472},"  }) ",[5191,6183,6103],{"class":5468},[5191,6185,6186],{"class":5800}," T",[5191,6188,5496],{"class":5472},[5191,6190,6191],{"class":5193,"line":5351},[5191,6192,5240],{"class":5472},[5191,6194,6195],{"class":5193,"line":5357},[5191,6196,5216],{"emptyLinePlaceholder":5215},[5191,6198,6199],{"class":5193,"line":5363},[5191,6200,6201],{"class":5505},"\u002F\u002F Використання\n",[5191,6203,6204,6206,6209,6211,6214],{"class":5193,"line":5369},[5191,6205,5512],{"class":5511},[5191,6207,6208],{"class":5515}," optimizedCalculation",[5191,6210,5519],{"class":5472},[5191,6212,6213],{"class":5525},"measurePerformance",[5191,6215,6216],{"class":5472},"(\n",[5191,6218,6219,6222,6225,6227,6230,6232,6234],{"class":5193,"line":5375},[5191,6220,6221],{"class":5472},"  (",[5191,6223,6224],{"class":5476},"n",[5191,6226,5602],{"class":5472},[5191,6228,6229],{"class":5800},"number",[5191,6231,5535],{"class":5472},[5191,6233,5538],{"class":5511},[5191,6235,5541],{"class":5472},[5191,6237,6238,6241,6243,6245,6248],{"class":5193,"line":5380},[5191,6239,6240],{"class":5511},"    let",[5191,6242,5999],{"class":5476},[5191,6244,5519],{"class":5472},[5191,6246,6247],{"class":5621},"0",[5191,6249,5496],{"class":5472},[5191,6251,6253,6256,6258,6261,6264,6266,6268,6271,6274,6277,6279,6281,6283],{"class":5193,"line":6252},34,[5191,6254,6255],{"class":5468},"    for",[5191,6257,5171],{"class":5472},[5191,6259,6260],{"class":5511},"let",[5191,6262,6263],{"class":5476}," i",[5191,6265,5519],{"class":5472},[5191,6267,6247],{"class":5621},[5191,6269,6270],{"class":5472},"; ",[5191,6272,6273],{"class":5476},"i",[5191,6275,6276],{"class":5472}," \u003C ",[5191,6278,6224],{"class":5476},[5191,6280,6270],{"class":5472},[5191,6282,6273],{"class":5476},[5191,6284,6285],{"class":5472},"++) {\n",[5191,6287,6289,6292,6295,6298,6300,6303,6305,6307],{"class":5193,"line":6288},35,[5191,6290,6291],{"class":5476},"      result",[5191,6293,6294],{"class":5472}," += ",[5191,6296,6297],{"class":5476},"Math",[5191,6299,5549],{"class":5472},[5191,6301,6302],{"class":5525},"sqrt",[5191,6304,5582],{"class":5472},[5191,6306,6273],{"class":5476},[5191,6308,5633],{"class":5472},[5191,6310,6312],{"class":5193,"line":6311},36,[5191,6313,6118],{"class":5472},[5191,6315,6317,6319,6321],{"class":5193,"line":6316},37,[5191,6318,6172],{"class":5468},[5191,6320,5999],{"class":5476},[5191,6322,5496],{"class":5472},[5191,6324,6326],{"class":5193,"line":6325},38,[5191,6327,6328],{"class":5472},"  },\n",[5191,6330,6332],{"class":5193,"line":6331},39,[5191,6333,6334],{"class":5492},"  'Heavy Calculation'\n",[5191,6336,6338],{"class":5193,"line":6337},40,[5191,6339,5633],{"class":5472},[5191,6341,6343],{"class":5193,"line":6342},41,[5191,6344,5216],{"emptyLinePlaceholder":5215},[5191,6346,6348,6351,6353,6356],{"class":5193,"line":6347},42,[5191,6349,6350],{"class":5525},"optimizedCalculation",[5191,6352,5582],{"class":5472},[5191,6354,6355],{"class":5621},"1_000_000",[5191,6357,5633],{"class":5472},[5191,6359,6361],{"class":5193,"line":6360},43,[5191,6362,6363],{"class":5505},"\u002F\u002F Вивід: Heavy Calculation: 8.23 ms\n",[5160,6365,6367],{"id":6366},"моніторинг-event-loop-lag","Моніторинг Event Loop Lag",[5165,6369,6370],{},"Event Loop lag — це затримка між моментом, коли callback має бути виконаний, і моментом, коли він реально виконується. Високий lag вказує на блокування Event Loop.",[5182,6372,6374],{"className":5459,"code":6373,"language":5461,"meta":5187,"style":5187},"import { performance } from 'node:perf_hooks';\n\nclass EventLoopMonitor {\n  private lastCheck = performance.now();\n  private interval: NodeJS.Timeout | null = null;\n\n  start(checkInterval = 100): void {\n    this.interval = setInterval(() => {\n      const now = performance.now();\n      const lag = now - this.lastCheck - checkInterval;\n\n      if (lag > 10) {\n        console.warn(`⚠️  Event Loop lag detected: ${lag.toFixed(2)} ms`);\n      }\n\n      this.lastCheck = now;\n    }, checkInterval);\n  }\n\n  stop(): void {\n    if (this.interval) {\n      clearInterval(this.interval);\n    }\n  }\n}\n\n\u002F\u002F Запуск моніторингу\nconst monitor = new EventLoopMonitor();\nmonitor.start();\n\n\u002F\u002F Симуляція блокування Event Loop\nfunction blockingOperation() {\n  const start = Date.now();\n  while (Date.now() - start \u003C 100) {\n    \u002F\u002F Блокуємо на 100 мс\n  }\n}\n\nblockingOperation();\n\u002F\u002F Вивід: ⚠️  Event Loop lag detected: 90.45 ms\n",[5105,6375,6376,6392,6396,6406,6426,6455,6459,6481,6502,6520,6548,6552,6570,6605,6610,6614,6629,6638,6643,6647,6659,6673,6688,6692,6696,6700,6704,6709,6724,6736,6740,6745,6755,6774,6798,6803,6807,6811,6815,6822],{"__ignoreMap":5187},[5191,6377,6378,6380,6382,6384,6386,6388,6390],{"class":5193,"line":5194},[5191,6379,5469],{"class":5468},[5191,6381,5473],{"class":5472},[5191,6383,5477],{"class":5476},[5191,6385,5486],{"class":5472},[5191,6387,5489],{"class":5468},[5191,6389,5493],{"class":5492},[5191,6391,5496],{"class":5472},[5191,6393,6394],{"class":5193,"line":5200},[5191,6395,5216],{"emptyLinePlaceholder":5215},[5191,6397,6398,6401,6404],{"class":5193,"line":5206},[5191,6399,6400],{"class":5511},"class",[5191,6402,6403],{"class":5800}," EventLoopMonitor",[5191,6405,5541],{"class":5472},[5191,6407,6408,6411,6414,6416,6418,6420,6423],{"class":5193,"line":5212},[5191,6409,6410],{"class":5511},"  private",[5191,6412,6413],{"class":5476}," lastCheck",[5191,6415,5519],{"class":5472},[5191,6417,5477],{"class":5476},[5191,6419,5549],{"class":5472},[5191,6421,6422],{"class":5525},"now",[5191,6424,6425],{"class":5472},"();\n",[5191,6427,6428,6430,6433,6435,6438,6440,6443,6446,6449,6451,6453],{"class":5193,"line":5219},[5191,6429,6410],{"class":5511},[5191,6431,6432],{"class":5476}," interval",[5191,6434,5602],{"class":5472},[5191,6436,6437],{"class":5800},"NodeJS",[5191,6439,5549],{"class":5472},[5191,6441,6442],{"class":5800},"Timeout",[5191,6444,6445],{"class":5472}," | ",[5191,6447,6448],{"class":5800},"null",[5191,6450,5519],{"class":5472},[5191,6452,6448],{"class":5511},[5191,6454,5496],{"class":5472},[5191,6456,6457],{"class":5193,"line":5225},[5191,6458,5216],{"emptyLinePlaceholder":5215},[5191,6460,6461,6464,6466,6469,6471,6474,6476,6479],{"class":5193,"line":5231},[5191,6462,6463],{"class":5525},"  start",[5191,6465,5582],{"class":5472},[5191,6467,6468],{"class":5476},"checkInterval",[5191,6470,5519],{"class":5472},[5191,6472,6473],{"class":5621},"100",[5191,6475,5854],{"class":5472},[5191,6477,6478],{"class":5800},"void",[5191,6480,5541],{"class":5472},[5191,6482,6483,6486,6488,6491,6493,6496,6498,6500],{"class":5193,"line":5237},[5191,6484,6485],{"class":5511},"    this",[5191,6487,5549],{"class":5472},[5191,6489,6490],{"class":5476},"interval",[5191,6492,5519],{"class":5472},[5191,6494,6495],{"class":5525},"setInterval",[5191,6497,6053],{"class":5472},[5191,6499,5538],{"class":5511},[5191,6501,5541],{"class":5472},[5191,6503,6504,6507,6510,6512,6514,6516,6518],{"class":5193,"line":5243},[5191,6505,6506],{"class":5511},"      const",[5191,6508,6509],{"class":5515}," now",[5191,6511,5519],{"class":5472},[5191,6513,5477],{"class":5476},[5191,6515,5549],{"class":5472},[5191,6517,6422],{"class":5525},[5191,6519,6425],{"class":5472},[5191,6521,6522,6524,6527,6529,6531,6534,6537,6539,6542,6544,6546],{"class":5193,"line":5248},[5191,6523,6506],{"class":5511},[5191,6525,6526],{"class":5515}," lag",[5191,6528,5519],{"class":5472},[5191,6530,6422],{"class":5476},[5191,6532,6533],{"class":5472}," - ",[5191,6535,6536],{"class":5511},"this",[5191,6538,5549],{"class":5472},[5191,6540,6541],{"class":5476},"lastCheck",[5191,6543,6533],{"class":5472},[5191,6545,6468],{"class":5476},[5191,6547,5496],{"class":5472},[5191,6549,6550],{"class":5193,"line":5254},[5191,6551,5216],{"emptyLinePlaceholder":5215},[5191,6553,6554,6557,6559,6562,6565,6568],{"class":5193,"line":5260},[5191,6555,6556],{"class":5468},"      if",[5191,6558,5171],{"class":5472},[5191,6560,6561],{"class":5476},"lag",[5191,6563,6564],{"class":5472}," > ",[5191,6566,6567],{"class":5621},"10",[5191,6569,6038],{"class":5472},[5191,6571,6572,6575,6577,6580,6582,6585,6587,6589,6591,6593,6595,6597,6599,6601,6603],{"class":5193,"line":5266},[5191,6573,6574],{"class":5476},"        console",[5191,6576,5549],{"class":5472},[5191,6578,6579],{"class":5525},"warn",[5191,6581,5582],{"class":5472},[5191,6583,6584],{"class":5492},"`⚠️  Event Loop lag detected: ",[5191,6586,5588],{"class":5511},[5191,6588,6561],{"class":5476},[5191,6590,5549],{"class":5593},[5191,6592,5616],{"class":5525},[5191,6594,5582],{"class":5593},[5191,6596,5622],{"class":5621},[5191,6598,5625],{"class":5593},[5191,6600,5599],{"class":5511},[5191,6602,5630],{"class":5492},[5191,6604,5633],{"class":5472},[5191,6606,6607],{"class":5193,"line":5272},[5191,6608,6609],{"class":5472},"      }\n",[5191,6611,6612],{"class":5193,"line":5278},[5191,6613,5216],{"emptyLinePlaceholder":5215},[5191,6615,6616,6619,6621,6623,6625,6627],{"class":5193,"line":5283},[5191,6617,6618],{"class":5511},"      this",[5191,6620,5549],{"class":5472},[5191,6622,6541],{"class":5476},[5191,6624,5519],{"class":5472},[5191,6626,6422],{"class":5476},[5191,6628,5496],{"class":5472},[5191,6630,6631,6634,6636],{"class":5193,"line":5288},[5191,6632,6633],{"class":5472},"    }, ",[5191,6635,6468],{"class":5476},[5191,6637,5633],{"class":5472},[5191,6639,6640],{"class":5193,"line":5294},[5191,6641,6642],{"class":5472},"  }\n",[5191,6644,6645],{"class":5193,"line":5300},[5191,6646,5216],{"emptyLinePlaceholder":5215},[5191,6648,6649,6652,6655,6657],{"class":5193,"line":5305},[5191,6650,6651],{"class":5525},"  stop",[5191,6653,6654],{"class":5472},"(): ",[5191,6656,6478],{"class":5800},[5191,6658,5541],{"class":5472},[5191,6660,6661,6663,6665,6667,6669,6671],{"class":5193,"line":5310},[5191,6662,6024],{"class":5468},[5191,6664,5171],{"class":5472},[5191,6666,6536],{"class":5511},[5191,6668,5549],{"class":5472},[5191,6670,6490],{"class":5476},[5191,6672,6038],{"class":5472},[5191,6674,6675,6678,6680,6682,6684,6686],{"class":5193,"line":5316},[5191,6676,6677],{"class":5525},"      clearInterval",[5191,6679,5582],{"class":5472},[5191,6681,6536],{"class":5511},[5191,6683,5549],{"class":5472},[5191,6685,6490],{"class":5476},[5191,6687,5633],{"class":5472},[5191,6689,6690],{"class":5193,"line":5322},[5191,6691,6118],{"class":5472},[5191,6693,6694],{"class":5193,"line":5328},[5191,6695,6642],{"class":5472},[5191,6697,6698],{"class":5193,"line":5334},[5191,6699,5240],{"class":5472},[5191,6701,6702],{"class":5193,"line":5340},[5191,6703,5216],{"emptyLinePlaceholder":5215},[5191,6705,6706],{"class":5193,"line":5345},[5191,6707,6708],{"class":5505},"\u002F\u002F Запуск моніторингу\n",[5191,6710,6711,6713,6716,6718,6720,6722],{"class":5193,"line":5351},[5191,6712,5512],{"class":5511},[5191,6714,6715],{"class":5515}," monitor",[5191,6717,5519],{"class":5472},[5191,6719,5522],{"class":5511},[5191,6721,6403],{"class":5525},[5191,6723,6425],{"class":5472},[5191,6725,6726,6729,6731,6734],{"class":5193,"line":5357},[5191,6727,6728],{"class":5476},"monitor",[5191,6730,5549],{"class":5472},[5191,6732,6733],{"class":5525},"start",[5191,6735,6425],{"class":5472},[5191,6737,6738],{"class":5193,"line":5363},[5191,6739,5216],{"emptyLinePlaceholder":5215},[5191,6741,6742],{"class":5193,"line":5369},[5191,6743,6744],{"class":5505},"\u002F\u002F Симуляція блокування Event Loop\n",[5191,6746,6747,6749,6752],{"class":5193,"line":5375},[5191,6748,5791],{"class":5511},[5191,6750,6751],{"class":5525}," blockingOperation",[5191,6753,6754],{"class":5472},"() {\n",[5191,6756,6757,6760,6763,6765,6768,6770,6772],{"class":5193,"line":5380},[5191,6758,6759],{"class":5511},"  const",[5191,6761,6762],{"class":5515}," start",[5191,6764,5519],{"class":5472},[5191,6766,6767],{"class":5476},"Date",[5191,6769,5549],{"class":5472},[5191,6771,6422],{"class":5525},[5191,6773,6425],{"class":5472},[5191,6775,6776,6779,6781,6783,6785,6787,6790,6792,6794,6796],{"class":5193,"line":6252},[5191,6777,6778],{"class":5468},"  while",[5191,6780,5171],{"class":5472},[5191,6782,6767],{"class":5476},[5191,6784,5549],{"class":5472},[5191,6786,6422],{"class":5525},[5191,6788,6789],{"class":5472},"() - ",[5191,6791,6733],{"class":5476},[5191,6793,6276],{"class":5472},[5191,6795,6473],{"class":5621},[5191,6797,6038],{"class":5472},[5191,6799,6800],{"class":5193,"line":6288},[5191,6801,6802],{"class":5505},"    \u002F\u002F Блокуємо на 100 мс\n",[5191,6804,6805],{"class":5193,"line":6311},[5191,6806,6642],{"class":5472},[5191,6808,6809],{"class":5193,"line":6316},[5191,6810,5240],{"class":5472},[5191,6812,6813],{"class":5193,"line":6325},[5191,6814,5216],{"emptyLinePlaceholder":5215},[5191,6816,6817,6820],{"class":5193,"line":6331},[5191,6818,6819],{"class":5525},"blockingOperation",[5191,6821,6425],{"class":5472},[5191,6823,6824],{"class":5193,"line":6337},[5191,6825,6826],{"class":5505},"\u002F\u002F Вивід: ⚠️  Event Loop lag detected: 90.45 ms\n",[6828,6829,6830,6831,6834],"note",{},"Бібліотека ",[5105,6832,6833],{},"blocked-at"," автоматично виявляє блокування Event Loop та показує stack trace місця блокування, що спрощує діагностику проблем продуктивності у великих кодових базах.",[5155,6836,6838],{"id":6837},"уникнення-блокування-event-loop","Уникнення блокування Event Loop",[5160,6840,6842],{"id":6841},"проблема-синхронні-операції","Проблема: синхронні операції",[5165,6844,6845,6846,6849],{},"Синхронні версії функцій (з суфіксом ",[5105,6847,6848],{},"Sync",") блокують Event Loop до завершення:",[5182,6851,6853],{"className":5459,"code":6852,"language":5461,"meta":5187,"style":5187},"import express from 'express';\nimport fs from 'node:fs';\n\nconst app = express();\n\n\u002F\u002F ❌ АНТИПАТТЕРН: Блокує Event Loop\napp.get('\u002Fuser\u002F:id', (req, res) => {\n  const userId = req.params.id;\n  \n  \u002F\u002F Синхронне читання файлу блокує обробку всіх інших запитів\n  const data = fs.readFileSync(`.\u002Fusers\u002F${userId}.json`, 'utf8');\n  const user = JSON.parse(data);\n  \n  res.json(user);\n});\n\napp.listen(3000);\n",[5105,6854,6855,6870,6884,6888,6902,6906,6911,6943,6966,6971,6976,7015,7039,7043,7060,7064,7068],{"__ignoreMap":5187},[5191,6856,6857,6859,6862,6865,6868],{"class":5193,"line":5194},[5191,6858,5469],{"class":5468},[5191,6860,6861],{"class":5476}," express",[5191,6863,6864],{"class":5468}," from",[5191,6866,6867],{"class":5492}," 'express'",[5191,6869,5496],{"class":5472},[5191,6871,6872,6874,6877,6879,6882],{"class":5193,"line":5200},[5191,6873,5469],{"class":5468},[5191,6875,6876],{"class":5476}," fs",[5191,6878,6864],{"class":5468},[5191,6880,6881],{"class":5492}," 'node:fs'",[5191,6883,5496],{"class":5472},[5191,6885,6886],{"class":5193,"line":5206},[5191,6887,5216],{"emptyLinePlaceholder":5215},[5191,6889,6890,6892,6895,6897,6900],{"class":5193,"line":5212},[5191,6891,5512],{"class":5511},[5191,6893,6894],{"class":5515}," app",[5191,6896,5519],{"class":5472},[5191,6898,6899],{"class":5525},"express",[5191,6901,6425],{"class":5472},[5191,6903,6904],{"class":5193,"line":5219},[5191,6905,5216],{"emptyLinePlaceholder":5215},[5191,6907,6908],{"class":5193,"line":5225},[5191,6909,6910],{"class":5505},"\u002F\u002F ❌ АНТИПАТТЕРН: Блокує Event Loop\n",[5191,6912,6913,6916,6918,6921,6923,6926,6929,6932,6934,6937,6939,6941],{"class":5193,"line":5231},[5191,6914,6915],{"class":5476},"app",[5191,6917,5549],{"class":5472},[5191,6919,6920],{"class":5525},"get",[5191,6922,5582],{"class":5472},[5191,6924,6925],{"class":5492},"'\u002Fuser\u002F:id'",[5191,6927,6928],{"class":5472},", (",[5191,6930,6931],{"class":5476},"req",[5191,6933,5480],{"class":5472},[5191,6935,6936],{"class":5476},"res",[5191,6938,5535],{"class":5472},[5191,6940,5538],{"class":5511},[5191,6942,5541],{"class":5472},[5191,6944,6945,6947,6950,6952,6954,6956,6959,6961,6964],{"class":5193,"line":5237},[5191,6946,6759],{"class":5511},[5191,6948,6949],{"class":5515}," userId",[5191,6951,5519],{"class":5472},[5191,6953,6931],{"class":5476},[5191,6955,5549],{"class":5472},[5191,6957,6958],{"class":5476},"params",[5191,6960,5549],{"class":5472},[5191,6962,6963],{"class":5476},"id",[5191,6965,5496],{"class":5472},[5191,6967,6968],{"class":5193,"line":5243},[5191,6969,6970],{"class":5472},"  \n",[5191,6972,6973],{"class":5193,"line":5248},[5191,6974,6975],{"class":5505},"  \u002F\u002F Синхронне читання файлу блокує обробку всіх інших запитів\n",[5191,6977,6978,6980,6983,6985,6988,6990,6993,6995,6998,7000,7003,7005,7008,7010,7013],{"class":5193,"line":5254},[5191,6979,6759],{"class":5511},[5191,6981,6982],{"class":5515}," data",[5191,6984,5519],{"class":5472},[5191,6986,6987],{"class":5476},"fs",[5191,6989,5549],{"class":5472},[5191,6991,6992],{"class":5525},"readFileSync",[5191,6994,5582],{"class":5472},[5191,6996,6997],{"class":5492},"`.\u002Fusers\u002F",[5191,6999,5588],{"class":5511},[5191,7001,7002],{"class":5476},"userId",[5191,7004,5599],{"class":5511},[5191,7006,7007],{"class":5492},".json`",[5191,7009,5480],{"class":5472},[5191,7011,7012],{"class":5492},"'utf8'",[5191,7014,5633],{"class":5472},[5191,7016,7017,7019,7022,7024,7027,7029,7032,7034,7037],{"class":5193,"line":5260},[5191,7018,6759],{"class":5511},[5191,7020,7021],{"class":5515}," user",[5191,7023,5519],{"class":5472},[5191,7025,7026],{"class":5515},"JSON",[5191,7028,5549],{"class":5472},[5191,7030,7031],{"class":5525},"parse",[5191,7033,5582],{"class":5472},[5191,7035,7036],{"class":5476},"data",[5191,7038,5633],{"class":5472},[5191,7040,7041],{"class":5193,"line":5266},[5191,7042,6970],{"class":5472},[5191,7044,7045,7048,7050,7053,7055,7058],{"class":5193,"line":5272},[5191,7046,7047],{"class":5476},"  res",[5191,7049,5549],{"class":5472},[5191,7051,7052],{"class":5525},"json",[5191,7054,5582],{"class":5472},[5191,7056,7057],{"class":5476},"user",[5191,7059,5633],{"class":5472},[5191,7061,7062],{"class":5193,"line":5278},[5191,7063,5643],{"class":5472},[5191,7065,7066],{"class":5193,"line":5283},[5191,7067,5216],{"emptyLinePlaceholder":5215},[5191,7069,7070,7072,7074,7077,7079,7082],{"class":5193,"line":5288},[5191,7071,6915],{"class":5476},[5191,7073,5549],{"class":5472},[5191,7075,7076],{"class":5525},"listen",[5191,7078,5582],{"class":5472},[5191,7080,7081],{"class":5621},"3000",[5191,7083,5633],{"class":5472},[5165,7085,7086,7089],{},[5126,7087,7088],{},"Проблема:"," Якщо читання файлу займає 50 мс, сервер не може обробляти інші запити протягом цього часу. При 100 одночасних користувачах затримка досягне 5 секунд!",[5160,7091,7093],{"id":7092},"рішення-1-асинхронні-api","Рішення 1: Асинхронні API",[5182,7095,7097],{"className":5459,"code":7096,"language":5461,"meta":5187,"style":5187},"import { readFile } from 'node:fs\u002Fpromises';\n\n\u002F\u002F ✅ ПРАВИЛЬНО: Не блокує Event Loop\napp.get('\u002Fuser\u002F:id', async (req, res) => {\n  const userId = req.params.id;\n  \n  try {\n    const data = await readFile(`.\u002Fusers\u002F${userId}.json`, 'utf8');\n    const user = JSON.parse(data);\n    res.json(user);\n  } catch (err) {\n    res.status(404).json({ error: 'User not found' });\n  }\n});\n",[5105,7098,7099,7117,7121,7126,7157,7177,7181,7188,7219,7239,7254,7269,7298,7302],{"__ignoreMap":5187},[5191,7100,7101,7103,7105,7108,7110,7112,7115],{"class":5193,"line":5194},[5191,7102,5469],{"class":5468},[5191,7104,5473],{"class":5472},[5191,7106,7107],{"class":5476},"readFile",[5191,7109,5486],{"class":5472},[5191,7111,5489],{"class":5468},[5191,7113,7114],{"class":5492}," 'node:fs\u002Fpromises'",[5191,7116,5496],{"class":5472},[5191,7118,7119],{"class":5193,"line":5200},[5191,7120,5216],{"emptyLinePlaceholder":5215},[5191,7122,7123],{"class":5193,"line":5206},[5191,7124,7125],{"class":5505},"\u002F\u002F ✅ ПРАВИЛЬНО: Не блокує Event Loop\n",[5191,7127,7128,7130,7132,7134,7136,7138,7140,7143,7145,7147,7149,7151,7153,7155],{"class":5193,"line":5212},[5191,7129,6915],{"class":5476},[5191,7131,5549],{"class":5472},[5191,7133,6920],{"class":5525},[5191,7135,5582],{"class":5472},[5191,7137,6925],{"class":5492},[5191,7139,5480],{"class":5472},[5191,7141,7142],{"class":5511},"async",[5191,7144,5171],{"class":5472},[5191,7146,6931],{"class":5476},[5191,7148,5480],{"class":5472},[5191,7150,6936],{"class":5476},[5191,7152,5535],{"class":5472},[5191,7154,5538],{"class":5511},[5191,7156,5541],{"class":5472},[5191,7158,7159,7161,7163,7165,7167,7169,7171,7173,7175],{"class":5193,"line":5219},[5191,7160,6759],{"class":5511},[5191,7162,6949],{"class":5515},[5191,7164,5519],{"class":5472},[5191,7166,6931],{"class":5476},[5191,7168,5549],{"class":5472},[5191,7170,6958],{"class":5476},[5191,7172,5549],{"class":5472},[5191,7174,6963],{"class":5476},[5191,7176,5496],{"class":5472},[5191,7178,7179],{"class":5193,"line":5225},[5191,7180,6970],{"class":5472},[5191,7182,7183,7186],{"class":5193,"line":5231},[5191,7184,7185],{"class":5468},"  try",[5191,7187,5541],{"class":5472},[5191,7189,7190,7192,7194,7196,7198,7201,7203,7205,7207,7209,7211,7213,7215,7217],{"class":5193,"line":5237},[5191,7191,5899],{"class":5511},[5191,7193,6982],{"class":5515},[5191,7195,5519],{"class":5472},[5191,7197,5715],{"class":5468},[5191,7199,7200],{"class":5525}," readFile",[5191,7202,5582],{"class":5472},[5191,7204,6997],{"class":5492},[5191,7206,5588],{"class":5511},[5191,7208,7002],{"class":5476},[5191,7210,5599],{"class":5511},[5191,7212,7007],{"class":5492},[5191,7214,5480],{"class":5472},[5191,7216,7012],{"class":5492},[5191,7218,5633],{"class":5472},[5191,7220,7221,7223,7225,7227,7229,7231,7233,7235,7237],{"class":5193,"line":5243},[5191,7222,5899],{"class":5511},[5191,7224,7021],{"class":5515},[5191,7226,5519],{"class":5472},[5191,7228,7026],{"class":5515},[5191,7230,5549],{"class":5472},[5191,7232,7031],{"class":5525},[5191,7234,5582],{"class":5472},[5191,7236,7036],{"class":5476},[5191,7238,5633],{"class":5472},[5191,7240,7241,7244,7246,7248,7250,7252],{"class":5193,"line":5248},[5191,7242,7243],{"class":5476},"    res",[5191,7245,5549],{"class":5472},[5191,7247,7052],{"class":5525},[5191,7249,5582],{"class":5472},[5191,7251,7057],{"class":5476},[5191,7253,5633],{"class":5472},[5191,7255,7256,7259,7262,7264,7267],{"class":5193,"line":5254},[5191,7257,7258],{"class":5472},"  } ",[5191,7260,7261],{"class":5468},"catch",[5191,7263,5171],{"class":5472},[5191,7265,7266],{"class":5476},"err",[5191,7268,6038],{"class":5472},[5191,7270,7271,7273,7275,7278,7280,7283,7286,7288,7290,7293,7296],{"class":5193,"line":5260},[5191,7272,7243],{"class":5476},[5191,7274,5549],{"class":5472},[5191,7276,7277],{"class":5525},"status",[5191,7279,5582],{"class":5472},[5191,7281,7282],{"class":5621},"404",[5191,7284,7285],{"class":5472},").",[5191,7287,7052],{"class":5525},[5191,7289,5660],{"class":5472},[5191,7291,7292],{"class":5476},"error:",[5191,7294,7295],{"class":5492}," 'User not found'",[5191,7297,5681],{"class":5472},[5191,7299,7300],{"class":5193,"line":5266},[5191,7301,6642],{"class":5472},[5191,7303,7304],{"class":5193,"line":5272},[5191,7305,5643],{"class":5472},[5160,7307,7309],{"id":7308},"рішення-2-розбиття-на-мікрозадачі","Рішення 2: Розбиття на мікрозадачі",[5165,7311,7312,7313,7316],{},"Для CPU-інтенсивних обчислень розділіть роботу на маленькі шматки з ",[5105,7314,7315],{},"setImmediate()",":",[5182,7318,7320],{"className":5459,"code":7319,"language":5461,"meta":5187,"style":5187},"function processLargeArray(\n  array: number[],\n  callback: (result: number) => void\n): void {\n  let sum = 0;\n  let index = 0;\n  const chunkSize = 1000;\n\n  function processChunk() {\n    const end = Math.min(index + chunkSize, array.length);\n\n    for (let i = index; i \u003C end; i++) {\n      sum += Math.sqrt(array[i]);\n    }\n\n    index = end;\n\n    if (index \u003C array.length) {\n      \u002F\u002F Повернути управління Event Loop перед наступним шматком\n      setImmediate(processChunk);\n    } else {\n      callback(sum);\n    }\n  }\n\n  processChunk();\n}\n\n\u002F\u002F Використання\nconst bigArray = Array.from({ length: 1_000_000 }, (_, i) => i);\n\nprocessLargeArray(bigArray, (result) => {\n  console.log('Результат:', result);\n});\n\n\u002F\u002F Event Loop не блокується — інші запити обробляються між chunks\n",[5105,7321,7322,7331,7343,7364,7372,7386,7399,7413,7417,7427,7466,7470,7499,7524,7528,7532,7543,7547,7565,7570,7582,7592,7604,7608,7612,7616,7623,7627,7631,7635,7677,7681,7701,7721,7725,7729],{"__ignoreMap":5187},[5191,7323,7324,7326,7329],{"class":5193,"line":5194},[5191,7325,5791],{"class":5511},[5191,7327,7328],{"class":5525}," processLargeArray",[5191,7330,6216],{"class":5472},[5191,7332,7333,7336,7338,7340],{"class":5193,"line":5200},[5191,7334,7335],{"class":5476},"  array",[5191,7337,5602],{"class":5472},[5191,7339,6229],{"class":5800},[5191,7341,7342],{"class":5472},"[],\n",[5191,7344,7345,7348,7351,7353,7355,7357,7359,7361],{"class":5193,"line":5206},[5191,7346,7347],{"class":5525},"  callback",[5191,7349,7350],{"class":5472},": (",[5191,7352,6029],{"class":5476},[5191,7354,5602],{"class":5472},[5191,7356,6229],{"class":5800},[5191,7358,5535],{"class":5472},[5191,7360,5538],{"class":5511},[5191,7362,7363],{"class":5800}," void\n",[5191,7365,7366,7368,7370],{"class":5193,"line":5212},[5191,7367,5854],{"class":5472},[5191,7369,6478],{"class":5800},[5191,7371,5541],{"class":5472},[5191,7373,7374,7377,7380,7382,7384],{"class":5193,"line":5219},[5191,7375,7376],{"class":5511},"  let",[5191,7378,7379],{"class":5476}," sum",[5191,7381,5519],{"class":5472},[5191,7383,6247],{"class":5621},[5191,7385,5496],{"class":5472},[5191,7387,7388,7390,7393,7395,7397],{"class":5193,"line":5225},[5191,7389,7376],{"class":5511},[5191,7391,7392],{"class":5476}," index",[5191,7394,5519],{"class":5472},[5191,7396,6247],{"class":5621},[5191,7398,5496],{"class":5472},[5191,7400,7401,7403,7406,7408,7411],{"class":5193,"line":5231},[5191,7402,6759],{"class":5511},[5191,7404,7405],{"class":5515}," chunkSize",[5191,7407,5519],{"class":5472},[5191,7409,7410],{"class":5621},"1000",[5191,7412,5496],{"class":5472},[5191,7414,7415],{"class":5193,"line":5237},[5191,7416,5216],{"emptyLinePlaceholder":5215},[5191,7418,7419,7422,7425],{"class":5193,"line":5243},[5191,7420,7421],{"class":5511},"  function",[5191,7423,7424],{"class":5525}," processChunk",[5191,7426,6754],{"class":5472},[5191,7428,7429,7431,7434,7436,7438,7440,7443,7445,7448,7451,7454,7456,7459,7461,7464],{"class":5193,"line":5248},[5191,7430,5899],{"class":5511},[5191,7432,7433],{"class":5515}," end",[5191,7435,5519],{"class":5472},[5191,7437,6297],{"class":5476},[5191,7439,5549],{"class":5472},[5191,7441,7442],{"class":5525},"min",[5191,7444,5582],{"class":5472},[5191,7446,7447],{"class":5476},"index",[5191,7449,7450],{"class":5472}," + ",[5191,7452,7453],{"class":5476},"chunkSize",[5191,7455,5480],{"class":5472},[5191,7457,7458],{"class":5476},"array",[5191,7460,5549],{"class":5472},[5191,7462,7463],{"class":5476},"length",[5191,7465,5633],{"class":5472},[5191,7467,7468],{"class":5193,"line":5254},[5191,7469,5216],{"emptyLinePlaceholder":5215},[5191,7471,7472,7474,7476,7478,7480,7482,7484,7486,7488,7490,7493,7495,7497],{"class":5193,"line":5260},[5191,7473,6255],{"class":5468},[5191,7475,5171],{"class":5472},[5191,7477,6260],{"class":5511},[5191,7479,6263],{"class":5476},[5191,7481,5519],{"class":5472},[5191,7483,7447],{"class":5476},[5191,7485,6270],{"class":5472},[5191,7487,6273],{"class":5476},[5191,7489,6276],{"class":5472},[5191,7491,7492],{"class":5476},"end",[5191,7494,6270],{"class":5472},[5191,7496,6273],{"class":5476},[5191,7498,6285],{"class":5472},[5191,7500,7501,7504,7506,7508,7510,7512,7514,7516,7519,7521],{"class":5193,"line":5266},[5191,7502,7503],{"class":5476},"      sum",[5191,7505,6294],{"class":5472},[5191,7507,6297],{"class":5476},[5191,7509,5549],{"class":5472},[5191,7511,6302],{"class":5525},[5191,7513,5582],{"class":5472},[5191,7515,7458],{"class":5476},[5191,7517,7518],{"class":5472},"[",[5191,7520,6273],{"class":5476},[5191,7522,7523],{"class":5472},"]);\n",[5191,7525,7526],{"class":5193,"line":5272},[5191,7527,6118],{"class":5472},[5191,7529,7530],{"class":5193,"line":5278},[5191,7531,5216],{"emptyLinePlaceholder":5215},[5191,7533,7534,7537,7539,7541],{"class":5193,"line":5283},[5191,7535,7536],{"class":5476},"    index",[5191,7538,5519],{"class":5472},[5191,7540,7492],{"class":5476},[5191,7542,5496],{"class":5472},[5191,7544,7545],{"class":5193,"line":5288},[5191,7546,5216],{"emptyLinePlaceholder":5215},[5191,7548,7549,7551,7553,7555,7557,7559,7561,7563],{"class":5193,"line":5294},[5191,7550,6024],{"class":5468},[5191,7552,5171],{"class":5472},[5191,7554,7447],{"class":5476},[5191,7556,6276],{"class":5472},[5191,7558,7458],{"class":5476},[5191,7560,5549],{"class":5472},[5191,7562,7463],{"class":5476},[5191,7564,6038],{"class":5472},[5191,7566,7567],{"class":5193,"line":5300},[5191,7568,7569],{"class":5505},"      \u002F\u002F Повернути управління Event Loop перед наступним шматком\n",[5191,7571,7572,7575,7577,7580],{"class":5193,"line":5305},[5191,7573,7574],{"class":5525},"      setImmediate",[5191,7576,5582],{"class":5472},[5191,7578,7579],{"class":5476},"processChunk",[5191,7581,5633],{"class":5472},[5191,7583,7584,7587,7590],{"class":5193,"line":5310},[5191,7585,7586],{"class":5472},"    } ",[5191,7588,7589],{"class":5468},"else",[5191,7591,5541],{"class":5472},[5191,7593,7594,7597,7599,7602],{"class":5193,"line":5316},[5191,7595,7596],{"class":5525},"      callback",[5191,7598,5582],{"class":5472},[5191,7600,7601],{"class":5476},"sum",[5191,7603,5633],{"class":5472},[5191,7605,7606],{"class":5193,"line":5322},[5191,7607,6118],{"class":5472},[5191,7609,7610],{"class":5193,"line":5328},[5191,7611,6642],{"class":5472},[5191,7613,7614],{"class":5193,"line":5334},[5191,7615,5216],{"emptyLinePlaceholder":5215},[5191,7617,7618,7621],{"class":5193,"line":5340},[5191,7619,7620],{"class":5525},"  processChunk",[5191,7622,6425],{"class":5472},[5191,7624,7625],{"class":5193,"line":5345},[5191,7626,5240],{"class":5472},[5191,7628,7629],{"class":5193,"line":5351},[5191,7630,5216],{"emptyLinePlaceholder":5215},[5191,7632,7633],{"class":5193,"line":5357},[5191,7634,6201],{"class":5505},[5191,7636,7637,7639,7642,7644,7647,7649,7651,7653,7656,7659,7662,7665,7667,7669,7671,7673,7675],{"class":5193,"line":5363},[5191,7638,5512],{"class":5511},[5191,7640,7641],{"class":5515}," bigArray",[5191,7643,5519],{"class":5472},[5191,7645,7646],{"class":5476},"Array",[5191,7648,5549],{"class":5472},[5191,7650,5489],{"class":5525},[5191,7652,5660],{"class":5472},[5191,7654,7655],{"class":5476},"length:",[5191,7657,7658],{"class":5621}," 1_000_000",[5191,7660,7661],{"class":5472}," }, (",[5191,7663,7664],{"class":5476},"_",[5191,7666,5480],{"class":5472},[5191,7668,6273],{"class":5476},[5191,7670,5535],{"class":5472},[5191,7672,5538],{"class":5511},[5191,7674,6263],{"class":5476},[5191,7676,5633],{"class":5472},[5191,7678,7679],{"class":5193,"line":5369},[5191,7680,5216],{"emptyLinePlaceholder":5215},[5191,7682,7683,7686,7688,7691,7693,7695,7697,7699],{"class":5193,"line":5375},[5191,7684,7685],{"class":5525},"processLargeArray",[5191,7687,5582],{"class":5472},[5191,7689,7690],{"class":5476},"bigArray",[5191,7692,6928],{"class":5472},[5191,7694,6029],{"class":5476},[5191,7696,5535],{"class":5472},[5191,7698,5538],{"class":5511},[5191,7700,5541],{"class":5472},[5191,7702,7703,7706,7708,7710,7712,7715,7717,7719],{"class":5193,"line":5380},[5191,7704,7705],{"class":5476},"  console",[5191,7707,5549],{"class":5472},[5191,7709,5579],{"class":5525},[5191,7711,5582],{"class":5472},[5191,7713,7714],{"class":5492},"'Результат:'",[5191,7716,5480],{"class":5472},[5191,7718,6029],{"class":5476},[5191,7720,5633],{"class":5472},[5191,7722,7723],{"class":5193,"line":6252},[5191,7724,5643],{"class":5472},[5191,7726,7727],{"class":5193,"line":6288},[5191,7728,5216],{"emptyLinePlaceholder":5215},[5191,7730,7731],{"class":5193,"line":6311},[5191,7732,7733],{"class":5505},"\u002F\u002F Event Loop не блокується — інші запити обробляються між chunks\n",[7735,7736,7737,7739],"tip",{},[5105,7738,7315],{}," планує виклик callback після завершення поточної фази Event Loop, даючи можливість обробити інші події (HTTP-запити, таймери). Це дозволяє розбити тривалу операцію на маленькі шматки без блокування сервера.",[5160,7741,7743],{"id":7742},"рішення-3-worker-threads-для-cpu-bound-задач","Рішення 3: Worker Threads для CPU-bound задач",[5165,7745,7746],{},"Для справжньо важких обчислень використовуйте Worker Threads — окремі потоки для JavaScript:",[5182,7748,7750],{"className":5459,"code":7749,"language":5461,"meta":5187,"style":5187},"\u002F\u002F worker.ts — код у Worker Thread\nimport { parentPort } from 'node:worker_threads';\n\nparentPort?.on('message', (data: { array: number[] }) => {\n  \u002F\u002F Важкі обчислення у окремому потоці\n  const result = data.array.reduce((sum, num) => sum + Math.sqrt(num), 0);\n  \n  parentPort?.postMessage({ result });\n});\n",[5105,7751,7752,7757,7775,7779,7814,7819,7872,7876,7892],{"__ignoreMap":5187},[5191,7753,7754],{"class":5193,"line":5194},[5191,7755,7756],{"class":5505},"\u002F\u002F worker.ts — код у Worker Thread\n",[5191,7758,7759,7761,7763,7766,7768,7770,7773],{"class":5193,"line":5200},[5191,7760,5469],{"class":5468},[5191,7762,5473],{"class":5472},[5191,7764,7765],{"class":5476},"parentPort",[5191,7767,5486],{"class":5472},[5191,7769,5489],{"class":5468},[5191,7771,7772],{"class":5492}," 'node:worker_threads'",[5191,7774,5496],{"class":5472},[5191,7776,7777],{"class":5193,"line":5206},[5191,7778,5216],{"emptyLinePlaceholder":5215},[5191,7780,7781,7783,7786,7789,7791,7794,7796,7798,7801,7803,7805,7807,7810,7812],{"class":5193,"line":5212},[5191,7782,7765],{"class":5476},[5191,7784,7785],{"class":5472},"?.",[5191,7787,7788],{"class":5525},"on",[5191,7790,5582],{"class":5472},[5191,7792,7793],{"class":5492},"'message'",[5191,7795,6928],{"class":5472},[5191,7797,7036],{"class":5476},[5191,7799,7800],{"class":5472},": { ",[5191,7802,7458],{"class":5476},[5191,7804,5602],{"class":5472},[5191,7806,6229],{"class":5800},[5191,7808,7809],{"class":5472},"[] }) ",[5191,7811,5538],{"class":5511},[5191,7813,5541],{"class":5472},[5191,7815,7816],{"class":5193,"line":5219},[5191,7817,7818],{"class":5505},"  \u002F\u002F Важкі обчислення у окремому потоці\n",[5191,7820,7821,7823,7825,7827,7829,7831,7833,7835,7838,7840,7842,7844,7847,7849,7851,7853,7855,7857,7859,7861,7863,7865,7868,7870],{"class":5193,"line":5225},[5191,7822,6759],{"class":5511},[5191,7824,5999],{"class":5515},[5191,7826,5519],{"class":5472},[5191,7828,7036],{"class":5476},[5191,7830,5549],{"class":5472},[5191,7832,7458],{"class":5476},[5191,7834,5549],{"class":5472},[5191,7836,7837],{"class":5525},"reduce",[5191,7839,5529],{"class":5472},[5191,7841,7601],{"class":5476},[5191,7843,5480],{"class":5472},[5191,7845,7846],{"class":5476},"num",[5191,7848,5535],{"class":5472},[5191,7850,5538],{"class":5511},[5191,7852,7379],{"class":5476},[5191,7854,7450],{"class":5472},[5191,7856,6297],{"class":5476},[5191,7858,5549],{"class":5472},[5191,7860,6302],{"class":5525},[5191,7862,5582],{"class":5472},[5191,7864,7846],{"class":5476},[5191,7866,7867],{"class":5472},"), ",[5191,7869,6247],{"class":5621},[5191,7871,5633],{"class":5472},[5191,7873,7874],{"class":5193,"line":5231},[5191,7875,6970],{"class":5472},[5191,7877,7878,7881,7883,7886,7888,7890],{"class":5193,"line":5237},[5191,7879,7880],{"class":5476},"  parentPort",[5191,7882,7785],{"class":5472},[5191,7884,7885],{"class":5525},"postMessage",[5191,7887,5660],{"class":5472},[5191,7889,6029],{"class":5476},[5191,7891,5681],{"class":5472},[5191,7893,7894],{"class":5193,"line":5243},[5191,7895,5643],{"class":5472},[5182,7897,7899],{"className":5459,"code":7898,"language":5461,"meta":5187,"style":5187},"\u002F\u002F server.ts — головний потік\nimport { Worker } from 'node:worker_threads';\nimport express from 'express';\n\nconst app = express();\n\napp.post('\u002Fcalculate', (req, res) => {\n  const array = req.body.numbers as number[];\n\n  \u002F\u002F Створення Worker Thread для обчислення\n  const worker = new Worker('.\u002Fworker.js', {\n    workerData: { array },\n  });\n\n  worker.on('message', (data: { result: number }) => {\n    res.json({ result: data.result });\n    worker.terminate(); \u002F\u002F Завершити worker після використання\n  });\n\n  worker.on('error', (err) => {\n    res.status(500).json({ error: err.message });\n    worker.terminate();\n  });\n});\n\napp.listen(3000);\n",[5105,7900,7901,7906,7923,7935,7939,7951,7955,7983,8013,8017,8022,8044,8056,8060,8064,8096,8117,8133,8137,8141,8164,8195,8205,8209,8213,8217],{"__ignoreMap":5187},[5191,7902,7903],{"class":5193,"line":5194},[5191,7904,7905],{"class":5505},"\u002F\u002F server.ts — головний потік\n",[5191,7907,7908,7910,7912,7915,7917,7919,7921],{"class":5193,"line":5200},[5191,7909,5469],{"class":5468},[5191,7911,5473],{"class":5472},[5191,7913,7914],{"class":5476},"Worker",[5191,7916,5486],{"class":5472},[5191,7918,5489],{"class":5468},[5191,7920,7772],{"class":5492},[5191,7922,5496],{"class":5472},[5191,7924,7925,7927,7929,7931,7933],{"class":5193,"line":5206},[5191,7926,5469],{"class":5468},[5191,7928,6861],{"class":5476},[5191,7930,6864],{"class":5468},[5191,7932,6867],{"class":5492},[5191,7934,5496],{"class":5472},[5191,7936,7937],{"class":5193,"line":5212},[5191,7938,5216],{"emptyLinePlaceholder":5215},[5191,7940,7941,7943,7945,7947,7949],{"class":5193,"line":5219},[5191,7942,5512],{"class":5511},[5191,7944,6894],{"class":5515},[5191,7946,5519],{"class":5472},[5191,7948,6899],{"class":5525},[5191,7950,6425],{"class":5472},[5191,7952,7953],{"class":5193,"line":5225},[5191,7954,5216],{"emptyLinePlaceholder":5215},[5191,7956,7957,7959,7961,7964,7966,7969,7971,7973,7975,7977,7979,7981],{"class":5193,"line":5231},[5191,7958,6915],{"class":5476},[5191,7960,5549],{"class":5472},[5191,7962,7963],{"class":5525},"post",[5191,7965,5582],{"class":5472},[5191,7967,7968],{"class":5492},"'\u002Fcalculate'",[5191,7970,6928],{"class":5472},[5191,7972,6931],{"class":5476},[5191,7974,5480],{"class":5472},[5191,7976,6936],{"class":5476},[5191,7978,5535],{"class":5472},[5191,7980,5538],{"class":5511},[5191,7982,5541],{"class":5472},[5191,7984,7985,7987,7990,7992,7994,7996,7999,8001,8004,8007,8010],{"class":5193,"line":5237},[5191,7986,6759],{"class":5511},[5191,7988,7989],{"class":5515}," array",[5191,7991,5519],{"class":5472},[5191,7993,6931],{"class":5476},[5191,7995,5549],{"class":5472},[5191,7997,7998],{"class":5476},"body",[5191,8000,5549],{"class":5472},[5191,8002,8003],{"class":5476},"numbers",[5191,8005,8006],{"class":5468}," as",[5191,8008,8009],{"class":5800}," number",[5191,8011,8012],{"class":5472},"[];\n",[5191,8014,8015],{"class":5193,"line":5243},[5191,8016,5216],{"emptyLinePlaceholder":5215},[5191,8018,8019],{"class":5193,"line":5248},[5191,8020,8021],{"class":5505},"  \u002F\u002F Створення Worker Thread для обчислення\n",[5191,8023,8024,8026,8029,8031,8033,8036,8038,8041],{"class":5193,"line":5254},[5191,8025,6759],{"class":5511},[5191,8027,8028],{"class":5515}," worker",[5191,8030,5519],{"class":5472},[5191,8032,5522],{"class":5511},[5191,8034,8035],{"class":5525}," Worker",[5191,8037,5582],{"class":5472},[5191,8039,8040],{"class":5492},"'.\u002Fworker.js'",[5191,8042,8043],{"class":5472},", {\n",[5191,8045,8046,8049,8051,8053],{"class":5193,"line":5260},[5191,8047,8048],{"class":5476},"    workerData:",[5191,8050,5473],{"class":5472},[5191,8052,7458],{"class":5476},[5191,8054,8055],{"class":5472}," },\n",[5191,8057,8058],{"class":5193,"line":5266},[5191,8059,5638],{"class":5472},[5191,8061,8062],{"class":5193,"line":5272},[5191,8063,5216],{"emptyLinePlaceholder":5215},[5191,8065,8066,8069,8071,8073,8075,8077,8079,8081,8083,8085,8087,8089,8092,8094],{"class":5193,"line":5278},[5191,8067,8068],{"class":5476},"  worker",[5191,8070,5549],{"class":5472},[5191,8072,7788],{"class":5525},[5191,8074,5582],{"class":5472},[5191,8076,7793],{"class":5492},[5191,8078,6928],{"class":5472},[5191,8080,7036],{"class":5476},[5191,8082,7800],{"class":5472},[5191,8084,6029],{"class":5476},[5191,8086,5602],{"class":5472},[5191,8088,6229],{"class":5800},[5191,8090,8091],{"class":5472}," }) ",[5191,8093,5538],{"class":5511},[5191,8095,5541],{"class":5472},[5191,8097,8098,8100,8102,8104,8106,8109,8111,8113,8115],{"class":5193,"line":5283},[5191,8099,7243],{"class":5476},[5191,8101,5549],{"class":5472},[5191,8103,7052],{"class":5525},[5191,8105,5660],{"class":5472},[5191,8107,8108],{"class":5476},"result:",[5191,8110,6982],{"class":5476},[5191,8112,5549],{"class":5472},[5191,8114,6029],{"class":5476},[5191,8116,5681],{"class":5472},[5191,8118,8119,8122,8124,8127,8130],{"class":5193,"line":5288},[5191,8120,8121],{"class":5476},"    worker",[5191,8123,5549],{"class":5472},[5191,8125,8126],{"class":5525},"terminate",[5191,8128,8129],{"class":5472},"(); ",[5191,8131,8132],{"class":5505},"\u002F\u002F Завершити worker після використання\n",[5191,8134,8135],{"class":5193,"line":5294},[5191,8136,5638],{"class":5472},[5191,8138,8139],{"class":5193,"line":5300},[5191,8140,5216],{"emptyLinePlaceholder":5215},[5191,8142,8143,8145,8147,8149,8151,8154,8156,8158,8160,8162],{"class":5193,"line":5305},[5191,8144,8068],{"class":5476},[5191,8146,5549],{"class":5472},[5191,8148,7788],{"class":5525},[5191,8150,5582],{"class":5472},[5191,8152,8153],{"class":5492},"'error'",[5191,8155,6928],{"class":5472},[5191,8157,7266],{"class":5476},[5191,8159,5535],{"class":5472},[5191,8161,5538],{"class":5511},[5191,8163,5541],{"class":5472},[5191,8165,8166,8168,8170,8172,8174,8177,8179,8181,8183,8185,8188,8190,8193],{"class":5193,"line":5310},[5191,8167,7243],{"class":5476},[5191,8169,5549],{"class":5472},[5191,8171,7277],{"class":5525},[5191,8173,5582],{"class":5472},[5191,8175,8176],{"class":5621},"500",[5191,8178,7285],{"class":5472},[5191,8180,7052],{"class":5525},[5191,8182,5660],{"class":5472},[5191,8184,7292],{"class":5476},[5191,8186,8187],{"class":5476}," err",[5191,8189,5549],{"class":5472},[5191,8191,8192],{"class":5476},"message",[5191,8194,5681],{"class":5472},[5191,8196,8197,8199,8201,8203],{"class":5193,"line":5316},[5191,8198,8121],{"class":5476},[5191,8200,5549],{"class":5472},[5191,8202,8126],{"class":5525},[5191,8204,6425],{"class":5472},[5191,8206,8207],{"class":5193,"line":5322},[5191,8208,5638],{"class":5472},[5191,8210,8211],{"class":5193,"line":5328},[5191,8212,5643],{"class":5472},[5191,8214,8215],{"class":5193,"line":5334},[5191,8216,5216],{"emptyLinePlaceholder":5215},[5191,8218,8219,8221,8223,8225,8227,8229],{"class":5193,"line":5340},[5191,8220,6915],{"class":5476},[5191,8222,5549],{"class":5472},[5191,8224,7076],{"class":5525},[5191,8226,5582],{"class":5472},[5191,8228,7081],{"class":5621},[5191,8230,5633],{"class":5472},[6828,8232,8233],{},"Worker Threads не є легковаговими як горутини у Go. Створення Worker має overhead ~30 мс та споживає ~2-10 МБ пам'яті. Для коротких задач (\u003C100 мс) overhead може перевищити виграш. Використовуйте пул Worker для повторного використання.",[5160,8235,8237],{"id":8236},"worker-pool-повторне-використання-потоків","Worker Pool: повторне використання потоків",[5182,8239,8241],{"className":5459,"code":8240,"language":5461,"meta":5187,"style":5187},"import { Worker } from 'node:worker_threads';\nimport { EventEmitter } from 'node:events';\n\nclass WorkerPool extends EventEmitter {\n  private workers: Worker[] = [];\n  private freeWorkers: Worker[] = [];\n  private taskQueue: Array\u003C{\n    data: any;\n    resolve: (value: any) => void;\n    reject: (err: Error) => void;\n  }> = [];\n\n  constructor(private poolSize: number, private workerScript: string) {\n    super();\n    this.initialize();\n  }\n\n  private initialize(): void {\n    for (let i = 0; i \u003C this.poolSize; i++) {\n      const worker = new Worker(this.workerScript);\n      this.workers.push(worker);\n      this.freeWorkers.push(worker);\n\n      worker.on('message', (result) => {\n        this.emit('taskComplete', worker, result);\n      });\n\n      worker.on('error', (err) => {\n        this.emit('taskError', worker, err);\n      });\n    }\n  }\n\n  async exec(data: any): Promise\u003Cany> {\n    return new Promise((resolve, reject) => {\n      const task = { data, resolve, reject };\n\n      if (this.freeWorkers.length > 0) {\n        this.runTask(task);\n      } else {\n        this.taskQueue.push(task);\n      }\n    });\n  }\n\n  private runTask(task: { data: any; resolve: any; reject: any }): void {\n    const worker = this.freeWorkers.pop()!;\n\n    const onMessage = (result: any) => {\n      task.resolve(result);\n      this.freeWorkers.push(worker);\n      this.processQueue();\n      worker.off('message', onMessage);\n      worker.off('error', onError);\n    };\n\n    const onError = (err: Error) => {\n      task.reject(err);\n      this.freeWorkers.push(worker);\n      this.processQueue();\n      worker.off('message', onMessage);\n      worker.off('error', onError);\n    };\n\n    worker.once('message', onMessage);\n    worker.once('error', onError);\n    worker.postMessage(task.data);\n  }\n\n  private processQueue(): void {\n    if (this.taskQueue.length > 0 && this.freeWorkers.length > 0) {\n      const task = this.taskQueue.shift()!;\n      this.runTask(task);\n    }\n  }\n\n  async destroy(): Promise\u003Cvoid> {\n    await Promise.all(this.workers.map((w) => w.terminate()));\n  }\n}\n\n\u002F\u002F Використання\nconst pool = new WorkerPool(4, '.\u002Fworker.js');\n\napp.post('\u002Fcalculate', async (req, res) => {\n  try {\n    const result = await pool.exec({ numbers: req.body.numbers });\n    res.json(result);\n  } catch (err) {\n    res.status(500).json({ error: (err as Error).message });\n  }\n});\n",[5105,8242,8243,8259,8277,8281,8295,8309,8322,8336,8347,8370,8392,8397,8401,8432,8439,8450,8454,8458,8471,8504,8527,8548,8567,8571,8594,8619,8624,8628,8650,8673,8677,8681,8685,8689,8717,8742,8765,8769,8791,8807,8816,8835,8839,8844,8849,8854,8897,8920,8925,8948,8964,8983,8995,9016,9036,9042,9047,9069,9084,9103,9114,9133,9152,9157,9162,9182,9201,9220,9225,9230,9244,9284,9306,9321,9326,9331,9336,9354,9399,9404,9409,9414,9419,9444,9449,9480,9487,9523,9538,9551,9587,9592],{"__ignoreMap":5187},[5191,8244,8245,8247,8249,8251,8253,8255,8257],{"class":5193,"line":5194},[5191,8246,5469],{"class":5468},[5191,8248,5473],{"class":5472},[5191,8250,7914],{"class":5476},[5191,8252,5486],{"class":5472},[5191,8254,5489],{"class":5468},[5191,8256,7772],{"class":5492},[5191,8258,5496],{"class":5472},[5191,8260,8261,8263,8265,8268,8270,8272,8275],{"class":5193,"line":5200},[5191,8262,5469],{"class":5468},[5191,8264,5473],{"class":5472},[5191,8266,8267],{"class":5476},"EventEmitter",[5191,8269,5486],{"class":5472},[5191,8271,5489],{"class":5468},[5191,8273,8274],{"class":5492}," 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req",[5191,9514,5549],{"class":5472},[5191,9516,7998],{"class":5476},[5191,9518,5549],{"class":5472},[5191,9520,8003],{"class":5476},[5191,9522,5681],{"class":5472},[5191,9524,9526,9528,9530,9532,9534,9536],{"class":5193,"line":9525},88,[5191,9527,7243],{"class":5476},[5191,9529,5549],{"class":5472},[5191,9531,7052],{"class":5525},[5191,9533,5582],{"class":5472},[5191,9535,6029],{"class":5476},[5191,9537,5633],{"class":5472},[5191,9539,9541,9543,9545,9547,9549],{"class":5193,"line":9540},89,[5191,9542,7258],{"class":5472},[5191,9544,7261],{"class":5468},[5191,9546,5171],{"class":5472},[5191,9548,7266],{"class":5476},[5191,9550,6038],{"class":5472},[5191,9552,9554,9556,9558,9560,9562,9564,9566,9568,9570,9572,9574,9576,9578,9581,9583,9585],{"class":5193,"line":9553},90,[5191,9555,7243],{"class":5476},[5191,9557,5549],{"class":5472},[5191,9559,7277],{"class":5525},[5191,9561,5582],{"class":5472},[5191,9563,8176],{"class":5621},[5191,9565,7285],{"class":5472},[5191,9567,7052],{"class":5525},[5191,9569,5660],{"class":5472},[5191,9571,7292],{"class":5476},[5191,9573,5171],{"class":5472},[5191,9575,7266],{"class":5476},[5191,9577,8006],{"class":5468},[5191,9579,9580],{"class":5800}," Error",[5191,9582,7285],{"class":5472},[5191,9584,8192],{"class":5476},[5191,9586,5681],{"class":5472},[5191,9588,9590],{"class":5193,"line":9589},91,[5191,9591,6642],{"class":5472},[5191,9593,9595],{"class":5193,"line":9594},92,[5191,9596,5643],{"class":5472},[7735,9598,6830,9599,9602],{},[5105,9600,9601],{},"piscina"," надає готову реалізацію Worker Pool з автоматичним балансуванням навантаження, timeouts та керуванням помилками. Використовуйте її замість власної реалізації для production-застосунків.",[5155,9604,9606],{"id":9605},"кластеризація-утилізація-всіх-cpu-ядер","Кластеризація: утилізація всіх CPU-ядер",[5165,9608,9609,9610,9612],{},"За замовчуванням Node.js використовує лише одне CPU-ядро. Модуль ",[5105,9611,5107],{}," дозволяє запустити кілька копій застосунку, які розподіляють навантаження між усіма ядрами.",[5160,9614,9616],{"id":9615},"модуль-cluster-ручна-кластеризація","Модуль cluster: ручна кластеризація",[5182,9618,9620],{"className":5459,"code":9619,"language":5461,"meta":5187,"style":5187},"import cluster from 'node:cluster';\nimport os from 'node:os';\nimport process from 'node:process';\n\nconst numCPUs = os.cpus().length;\n\nif (cluster.isPrimary) {\n  console.log(`Primary процес ${process.pid} запущено`);\n  console.log(`Створення ${numCPUs} worker-процесів...`);\n\n  \u002F\u002F Створення worker для кожного CPU-ядра\n  for (let i = 0; i \u003C numCPUs; i++) {\n    cluster.fork();\n  }\n\n  \u002F\u002F Автоматичний перезапуск worker при падінні\n  cluster.on('exit', (worker, code, signal) => {\n    console.log(`Worker ${worker.process.pid} завершився (${signal || code})`);\n    console.log('Запуск нового worker...');\n    cluster.fork();\n  });\n\n  \u002F\u002F Graceful shutdown\n  process.on('SIGTERM', () => {\n    console.log('SIGTERM отримано. Завершення workers...');\n    for (const id in cluster.workers) {\n      cluster.workers[id]?.kill();\n    }\n  });\n} else {\n  \u002F\u002F Код worker-процесу\n  startServer();\n}\n\nfunction startServer(): void {\n  const express = require('express');\n  const app = express();\n\n  app.get('\u002F', (req, res) => {\n    res.json({\n      message: 'Hello from cluster!',\n      pid: process.pid,\n      uptime: process.uptime(),\n    });\n  });\n\n  const PORT = process.env.PORT || 3000;\n  app.listen(PORT, () => {\n    console.log(`Worker ${process.pid} слухає порт ${PORT}`);\n  });\n}\n",[5105,9621,9622,9636,9650,9664,9668,9691,9695,9711,9741,9766,9770,9775,9804,9816,9820,9824,9829,9862,9909,9924,9934,9938,9942,9947,9968,9983,10005,10026,10030,10034,10043,10048,10055,10059,10063,10076,10094,10106,10110,10138,10149,10159,10172,10187,10191,10195,10199,10226,10244,10279,10283],{"__ignoreMap":5187},[5191,9623,9624,9626,9629,9631,9634],{"class":5193,"line":5194},[5191,9625,5469],{"class":5468},[5191,9627,9628],{"class":5476}," cluster",[5191,9630,6864],{"class":5468},[5191,9632,9633],{"class":5492}," 'node:cluster'",[5191,9635,5496],{"class":5472},[5191,9637,9638,9640,9643,9645,9648],{"class":5193,"line":5200},[5191,9639,5469],{"class":5468},[5191,9641,9642],{"class":5476}," os",[5191,9644,6864],{"class":5468},[5191,9646,9647],{"class":5492}," 'node:os'",[5191,9649,5496],{"class":5472},[5191,9651,9652,9654,9657,9659,9662],{"class":5193,"line":5206},[5191,9653,5469],{"class":5468},[5191,9655,9656],{"class":5476}," 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",[5191,9725,5588],{"class":5511},[5191,9727,9728],{"class":5476},"process",[5191,9730,5549],{"class":5593},[5191,9732,9733],{"class":5476},"pid",[5191,9735,5599],{"class":5511},[5191,9737,9738],{"class":5492}," запущено`",[5191,9740,5633],{"class":5472},[5191,9742,9743,9745,9747,9749,9751,9754,9756,9759,9761,9764],{"class":5193,"line":5243},[5191,9744,7705],{"class":5476},[5191,9746,5549],{"class":5472},[5191,9748,5579],{"class":5525},[5191,9750,5582],{"class":5472},[5191,9752,9753],{"class":5492},"`Створення ",[5191,9755,5588],{"class":5511},[5191,9757,9758],{"class":5476},"numCPUs",[5191,9760,5599],{"class":5511},[5191,9762,9763],{"class":5492}," worker-процесів...`",[5191,9765,5633],{"class":5472},[5191,9767,9768],{"class":5193,"line":5248},[5191,9769,5216],{"emptyLinePlaceholder":5215},[5191,9771,9772],{"class":5193,"line":5254},[5191,9773,9774],{"class":5505},"  \u002F\u002F Створення worker для кожного CPU-ядра\n",[5191,9776,9777,9780,9782,9784,9786,9788,9790,9792,9794,9796,9798,9800,9802],{"class":5193,"line":5260},[5191,9778,9779],{"class":5468},"  for",[5191,9781,5171],{"class":5472},[5191,9783,6260],{"class":5511},[5191,9785,6263],{"class":5476},[5191,9787,5519],{"class":5472},[5191,9789,6247],{"class":5621},[5191,9791,6270],{"class":5472},[5191,9793,6273],{"class":5476},[5191,9795,6276],{"class":5472},[5191,9797,9758],{"class":5476},[5191,9799,6270],{"class":5472},[5191,9801,6273],{"class":5476},[5191,9803,6285],{"class":5472},[5191,9805,9806,9809,9811,9814],{"class":5193,"line":5266},[5191,9807,9808],{"class":5476},"    cluster",[5191,9810,5549],{"class":5472},[5191,9812,9813],{"class":5525},"fork",[5191,9815,6425],{"class":5472},[5191,9817,9818],{"class":5193,"line":5272},[5191,9819,6642],{"class":5472},[5191,9821,9822],{"class":5193,"line":5278},[5191,9823,5216],{"emptyLinePlaceholder":5215},[5191,9825,9826],{"class":5193,"line":5283},[5191,9827,9828],{"class":5505},"  \u002F\u002F Автоматичний перезапуск worker при падінні\n",[5191,9830,9831,9834,9836,9838,9840,9843,9845,9847,9849,9851,9853,9856,9858,9860],{"class":5193,"line":5288},[5191,9832,9833],{"class":5476},"  cluster",[5191,9835,5549],{"class":5472},[5191,9837,7788],{"class":5525},[5191,9839,5582],{"class":5472},[5191,9841,9842],{"class":5492},"'exit'",[5191,9844,6928],{"class":5472},[5191,9846,8545],{"class":5476},[5191,9848,5480],{"class":5472},[5191,9850,5105],{"class":5476},[5191,9852,5480],{"class":5472},[5191,9854,9855],{"class":5476},"signal",[5191,9857,5535],{"class":5472},[5191,9859,5538],{"class":5511},[5191,9861,5541],{"class":5472},[5191,9863,9864,9866,9868,9870,9872,9875,9877,9879,9881,9883,9885,9887,9889,9892,9894,9896,9899,9902,9904,9907],{"class":5193,"line":5294},[5191,9865,5574],{"class":5476},[5191,9867,5549],{"class":5472},[5191,9869,5579],{"class":5525},[5191,9871,5582],{"class":5472},[5191,9873,9874],{"class":5492},"`Worker 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Завершення workers...'",[5191,9982,5633],{"class":5472},[5191,9984,9985,9987,9989,9991,9994,9997,9999,10001,10003],{"class":5193,"line":5340},[5191,9986,6255],{"class":5468},[5191,9988,5171],{"class":5472},[5191,9990,5512],{"class":5511},[5191,9992,9993],{"class":5515}," id",[5191,9995,9996],{"class":5511}," in",[5191,9998,9628],{"class":5476},[5191,10000,5549],{"class":5472},[5191,10002,8535],{"class":5476},[5191,10004,6038],{"class":5472},[5191,10006,10007,10010,10012,10014,10016,10018,10021,10024],{"class":5193,"line":5345},[5191,10008,10009],{"class":5476},"      cluster",[5191,10011,5549],{"class":5472},[5191,10013,8535],{"class":5476},[5191,10015,7518],{"class":5472},[5191,10017,6963],{"class":5476},[5191,10019,10020],{"class":5472},"]?.",[5191,10022,10023],{"class":5525},"kill",[5191,10025,6425],{"class":5472},[5191,10027,10028],{"class":5193,"line":5351},[5191,10029,6118],{"class":5472},[5191,10031,10032],{"class":5193,"line":5357},[5191,10033,5638],{"class":5472},[5191,10035,10036,10039,10041],{"class":5193,"line":5363},[5191,10037,10038],{"class":5472},"} ",[5191,10040,7589],{"class":5468},[5191,10042,5541],{"class":5472},[5191,10044,10045],{"class":5193,"line":5369},[5191,10046,10047],{"class":5505},"  \u002F\u002F Код worker-процесу\n",[5191,10049,10050,10053],{"class":5193,"line":5375},[5191,10051,10052],{"class":5525},"  startServer",[5191,10054,6425],{"class":5472},[5191,10056,10057],{"class":5193,"line":5380},[5191,10058,5240],{"class":5472},[5191,10060,10061],{"class":5193,"line":6252},[5191,10062,5216],{"emptyLinePlaceholder":5215},[5191,10064,10065,10067,10070,10072,10074],{"class":5193,"line":6288},[5191,10066,5791],{"class":5511},[5191,10068,10069],{"class":5525}," 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app",[5191,10116,5549],{"class":5472},[5191,10118,6920],{"class":5525},[5191,10120,5582],{"class":5472},[5191,10122,10123],{"class":5492},"'\u002F'",[5191,10125,6928],{"class":5472},[5191,10127,6931],{"class":5476},[5191,10129,5480],{"class":5472},[5191,10131,6936],{"class":5476},[5191,10133,5535],{"class":5472},[5191,10135,5538],{"class":5511},[5191,10137,5541],{"class":5472},[5191,10139,10140,10142,10144,10146],{"class":5193,"line":6337},[5191,10141,7243],{"class":5476},[5191,10143,5549],{"class":5472},[5191,10145,7052],{"class":5525},[5191,10147,10148],{"class":5472},"({\n",[5191,10150,10151,10154,10157],{"class":5193,"line":6342},[5191,10152,10153],{"class":5476},"      message:",[5191,10155,10156],{"class":5492}," 'Hello from cluster!'",[5191,10158,5838],{"class":5472},[5191,10160,10161,10164,10166,10168,10170],{"class":5193,"line":6347},[5191,10162,10163],{"class":5476},"      pid:",[5191,10165,9656],{"class":5476},[5191,10167,5549],{"class":5472},[5191,10169,9733],{"class":5476},[5191,10171,5838],{"class":5472},[5191,10173,10174,10177,10179,10181,10184],{"class":5193,"line":6360},[5191,10175,10176],{"class":5476},"      uptime:",[5191,10178,9656],{"class":5476},[5191,10180,5549],{"class":5472},[5191,10182,10183],{"class":5525},"uptime",[5191,10185,10186],{"class":5472},"(),\n",[5191,10188,10189],{"class":5193,"line":8846},[5191,10190,8843],{"class":5472},[5191,10192,10193],{"class":5193,"line":8851},[5191,10194,5638],{"class":5472},[5191,10196,10197],{"class":5193,"line":8856},[5191,10198,5216],{"emptyLinePlaceholder":5215},[5191,10200,10201,10203,10206,10208,10210,10212,10215,10217,10220,10222,10224],{"class":5193,"line":8899},[5191,10202,6759],{"class":5511},[5191,10204,10205],{"class":5515}," 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слухає порт ",[5191,10270,5588],{"class":5511},[5191,10272,10219],{"class":5515},[5191,10274,5599],{"class":5511},[5191,10276,5585],{"class":5492},[5191,10278,5633],{"class":5472},[5191,10280,10281],{"class":5193,"line":8950},[5191,10282,5638],{"class":5472},[5191,10284,10285],{"class":5193,"line":8966},[5191,10286,5240],{"class":5472},[10288,10289,10292,10306,10309,10317,10327,10330,10340,10347,10354,10361,10368,10375,10382,10389,10392],"terminal-preview",{":cursor":10290,"title":10291},"false","node cluster-server.js",[10293,10294,10296,10301,10302],"div",{"className":10295},[5193],[5191,10297,10300],{"className":10298},[10299],"opacity-40","$"," ",[5126,10303,10291],{"className":10304},[10305],"font-bold",[10293,10307],{"className":10308},[5193],[10293,10310,10312],{"className":10311},[5193],[5191,10313,10316],{"className":10314},[10315,10305],"text-blue-400","Primary процес 12345 запущено",[10293,10318,10320,10321,10326],{"className":10319},[5193],"Створення ",[5191,10322,10325],{"className":10323},[10324,10305],"text-green-400","8"," worker-процесів...",[10293,10328],{"className":10329},[5193],[10293,10331,10333,10334,10339],{"className":10332},[5193],"Worker ",[5191,10335,10338],{"className":10336},[10337],"text-yellow-400","12346"," слухає порт 3000",[10293,10341,10333,10343,10339],{"className":10342},[5193],[5191,10344,10346],{"className":10345},[10337],"12347",[10293,10348,10333,10350,10339],{"className":10349},[5193],[5191,10351,10353],{"className":10352},[10337],"12348",[10293,10355,10333,10357,10339],{"className":10356},[5193],[5191,10358,10360],{"className":10359},[10337],"12349",[10293,10362,10333,10364,10339],{"className":10363},[5193],[5191,10365,10367],{"className":10366},[10337],"12350",[10293,10369,10333,10371,10339],{"className":10370},[5193],[5191,10372,10374],{"className":10373},[10337],"12351",[10293,10376,10333,10378,10339],{"className":10377},[5193],[5191,10379,10381],{"className":10380},[10337],"12352",[10293,10383,10333,10385,10339],{"className":10384},[5193],[5191,10386,10388],{"className":10387},[10337],"12353",[10293,10390],{"className":10391},[5193],[10293,10393,10395,10301,10399],{"className":10394},[5193],[5191,10396,10398],{"className":10397},[10324],"✓",[5191,10400,10403],{"className":10401},[10402],"opacity-60","Кластер готовий. Навантаження розподіляється між 8 ядрами",[5160,10405,10407],{"id":10406},"як-працює-розподіл-навантаження-у-cluster","Як працює розподіл навантаження у cluster",[5165,10409,10410,10411,10414],{},"Операційна система автоматично розподіляє вхідні TCP-з'єднання між worker-процесами через механізм ",[5126,10412,10413],{},"round-robin"," (у Linux\u002FmacOS) або kernel-level load balancing (у Windows).",[5178,10416,10418],{"alt":10417},"Архітектура Node.js Cluster",[5182,10419,10421],{"className":5184,"code":10420,"language":5186,"meta":5187,"style":5187},"@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\nactor \"Client 1\" as C1 #DBEAFE\nactor \"Client 2\" as C2 #DBEAFE\nactor \"Client N\" as CN #DBEAFE\n\nrectangle \"Primary Process\\nPID: 12345\" as Primary #FEF3C7 {\n  rectangle \"Master Socket\\n:3000\" as Socket #E2E8F0\n}\n\nrectangle \"Worker 1\\nPID: 12346\" as W1 #DCFCE7\nrectangle \"Worker 2\\nPID: 12347\" as W2 #DCFCE7\nrectangle \"Worker 3\\nPID: 12348\" as W3 #DCFCE7\nrectangle \"Worker N\\nPID: 12353\" as WN #DCFCE7\n\nC1 --> Socket\nC2 --> Socket\nCN --> Socket\n\nSocket --> W1 : Round-robin\nSocket --> W2 : розподіл\nSocket --> W3 : навантаження\nSocket --> WN\n\nnote right of Primary\n  Primary Process не обробляє\n  запити, лише координує workers\n  та перезапускає їх при падінні\nend note\n\n@enduml\n",[5105,10422,10423,10427,10431,10435,10439,10444,10449,10454,10458,10463,10468,10472,10476,10481,10486,10491,10496,10500,10505,10510,10515,10519,10524,10529,10534,10539,10543,10548,10553,10558,10563,10567,10571],{"__ignoreMap":5187},[5191,10424,10425],{"class":5193,"line":5194},[5191,10426,5197],{},[5191,10428,10429],{"class":5193,"line":5200},[5191,10430,5203],{},[5191,10432,10433],{"class":5193,"line":5206},[5191,10434,5209],{},[5191,10436,10437],{"class":5193,"line":5212},[5191,10438,5216],{"emptyLinePlaceholder":5215},[5191,10440,10441],{"class":5193,"line":5219},[5191,10442,10443],{},"actor \"Client 1\" as C1 #DBEAFE\n",[5191,10445,10446],{"class":5193,"line":5225},[5191,10447,10448],{},"actor \"Client 2\" as C2 #DBEAFE\n",[5191,10450,10451],{"class":5193,"line":5231},[5191,10452,10453],{},"actor \"Client N\" as CN #DBEAFE\n",[5191,10455,10456],{"class":5193,"line":5237},[5191,10457,5216],{"emptyLinePlaceholder":5215},[5191,10459,10460],{"class":5193,"line":5243},[5191,10461,10462],{},"rectangle \"Primary Process\\nPID: 12345\" as Primary #FEF3C7 {\n",[5191,10464,10465],{"class":5193,"line":5248},[5191,10466,10467],{},"  rectangle \"Master Socket\\n:3000\" as Socket #E2E8F0\n",[5191,10469,10470],{"class":5193,"line":5254},[5191,10471,5240],{},[5191,10473,10474],{"class":5193,"line":5260},[5191,10475,5216],{"emptyLinePlaceholder":5215},[5191,10477,10478],{"class":5193,"line":5266},[5191,10479,10480],{},"rectangle \"Worker 1\\nPID: 12346\" as W1 #DCFCE7\n",[5191,10482,10483],{"class":5193,"line":5272},[5191,10484,10485],{},"rectangle \"Worker 2\\nPID: 12347\" as W2 #DCFCE7\n",[5191,10487,10488],{"class":5193,"line":5278},[5191,10489,10490],{},"rectangle \"Worker 3\\nPID: 12348\" as W3 #DCFCE7\n",[5191,10492,10493],{"class":5193,"line":5283},[5191,10494,10495],{},"rectangle \"Worker N\\nPID: 12353\" as WN #DCFCE7\n",[5191,10497,10498],{"class":5193,"line":5288},[5191,10499,5216],{"emptyLinePlaceholder":5215},[5191,10501,10502],{"class":5193,"line":5294},[5191,10503,10504],{},"C1 --> Socket\n",[5191,10506,10507],{"class":5193,"line":5300},[5191,10508,10509],{},"C2 --> Socket\n",[5191,10511,10512],{"class":5193,"line":5305},[5191,10513,10514],{},"CN --> Socket\n",[5191,10516,10517],{"class":5193,"line":5310},[5191,10518,5216],{"emptyLinePlaceholder":5215},[5191,10520,10521],{"class":5193,"line":5316},[5191,10522,10523],{},"Socket --> W1 : Round-robin\n",[5191,10525,10526],{"class":5193,"line":5322},[5191,10527,10528],{},"Socket --> W2 : розподіл\n",[5191,10530,10531],{"class":5193,"line":5328},[5191,10532,10533],{},"Socket --> W3 : навантаження\n",[5191,10535,10536],{"class":5193,"line":5334},[5191,10537,10538],{},"Socket --> WN\n",[5191,10540,10541],{"class":5193,"line":5340},[5191,10542,5216],{"emptyLinePlaceholder":5215},[5191,10544,10545],{"class":5193,"line":5345},[5191,10546,10547],{},"note right of Primary\n",[5191,10549,10550],{"class":5193,"line":5351},[5191,10551,10552],{},"  Primary Process не обробляє\n",[5191,10554,10555],{"class":5193,"line":5357},[5191,10556,10557],{},"  запити, лише координує workers\n",[5191,10559,10560],{"class":5193,"line":5363},[5191,10561,10562],{},"  та перезапускає їх при падінні\n",[5191,10564,10565],{"class":5193,"line":5369},[5191,10566,5372],{},[5191,10568,10569],{"class":5193,"line":5375},[5191,10570,5216],{"emptyLinePlaceholder":5215},[5191,10572,10573],{"class":5193,"line":5380},[5191,10574,5383],{},[6828,10576,10577,10578,10581],{},"Кожен worker — це окремий процес із власною пам'яттю та V8-інстансом. Вони ",[5126,10579,10580],{},"не діляться глобальним станом",". Для обміну даними між workers використовуйте Redis, Memcached або message queue (RabbitMQ, Bull).",[5160,10583,10585],{"id":10584},"pm2-production-ready-менеджер-процесів","PM2: production-ready менеджер процесів",[5165,10587,10588],{},"PM2 автоматизує кластеризацію, моніторинг, логування та перезапуск застосунків:",[10590,10591,10592,10617,10696],"tabs",{},[10593,10594,10596],"tabs-item",{"label":10595},"Встановлення",[5182,10597,10601],{"className":10598,"code":10599,"language":10600,"meta":5187,"style":5187},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","npm install -g pm2\n","bash",[5105,10602,10603],{"__ignoreMap":5187},[5191,10604,10605,10608,10611,10614],{"class":5193,"line":5194},[5191,10606,10607],{"class":5525},"npm",[5191,10609,10610],{"class":5492}," install",[5191,10612,10613],{"class":5511}," -g",[5191,10615,10616],{"class":5492}," pm2\n",[10593,10618,10620],{"label":10619},"Запуск у кластерному режимі",[5182,10621,10623],{"className":10598,"code":10622,"language":10600,"meta":5187,"style":5187},"# Запустити 4 інстанси\npm2 start dist\u002Fserver.js -i 4\n\n# Або автоматично по кількості CPU\npm2 start dist\u002Fserver.js -i max\n\n# З назвою застосунку\npm2 start dist\u002Fserver.js -i max --name \"api-server\"\n",[5105,10624,10625,10630,10646,10650,10655,10668,10672,10677],{"__ignoreMap":5187},[5191,10626,10627],{"class":5193,"line":5194},[5191,10628,10629],{"class":5505},"# Запустити 4 інстанси\n",[5191,10631,10632,10635,10637,10640,10643],{"class":5193,"line":5200},[5191,10633,10634],{"class":5525},"pm2",[5191,10636,6762],{"class":5492},[5191,10638,10639],{"class":5492}," dist\u002Fserver.js",[5191,10641,10642],{"class":5511}," -i",[5191,10644,10645],{"class":5621}," 4\n",[5191,10647,10648],{"class":5193,"line":5206},[5191,10649,5216],{"emptyLinePlaceholder":5215},[5191,10651,10652],{"class":5193,"line":5212},[5191,10653,10654],{"class":5505},"# Або автоматично по кількості CPU\n",[5191,10656,10657,10659,10661,10663,10665],{"class":5193,"line":5219},[5191,10658,10634],{"class":5525},[5191,10660,6762],{"class":5492},[5191,10662,10639],{"class":5492},[5191,10664,10642],{"class":5511},[5191,10666,10667],{"class":5492}," max\n",[5191,10669,10670],{"class":5193,"line":5225},[5191,10671,5216],{"emptyLinePlaceholder":5215},[5191,10673,10674],{"class":5193,"line":5231},[5191,10675,10676],{"class":5505},"# З назвою застосунку\n",[5191,10678,10679,10681,10683,10685,10687,10690,10693],{"class":5193,"line":5237},[5191,10680,10634],{"class":5525},[5191,10682,6762],{"class":5492},[5191,10684,10639],{"class":5492},[5191,10686,10642],{"class":5511},[5191,10688,10689],{"class":5492}," max",[5191,10691,10692],{"class":5511}," --name",[5191,10694,10695],{"class":5492}," \"api-server\"\n",[10593,10697,10699],{"label":10698},"Управління",[5182,10700,10702],{"className":10598,"code":10701,"language":10600,"meta":5187,"style":5187},"# Показати статус\npm2 list\n\n# Моніторинг у реальному часі\npm2 monit\n\n# Логи всіх процесів\npm2 logs\n\n# Логи конкретного застосунку\npm2 logs api-server\n\n# Перезапуск без downtime (graceful reload)\npm2 reload api-server\n\n# Зупинка\npm2 stop api-server\n\n# Видалення з PM2\npm2 delete api-server\n",[5105,10703,10704,10709,10716,10720,10725,10732,10736,10741,10748,10752,10757,10767,10771,10776,10785,10789,10794,10803,10807,10812],{"__ignoreMap":5187},[5191,10705,10706],{"class":5193,"line":5194},[5191,10707,10708],{"class":5505},"# Показати статус\n",[5191,10710,10711,10713],{"class":5193,"line":5200},[5191,10712,10634],{"class":5525},[5191,10714,10715],{"class":5492}," list\n",[5191,10717,10718],{"class":5193,"line":5206},[5191,10719,5216],{"emptyLinePlaceholder":5215},[5191,10721,10722],{"class":5193,"line":5212},[5191,10723,10724],{"class":5505},"# Моніторинг у реальному часі\n",[5191,10726,10727,10729],{"class":5193,"line":5219},[5191,10728,10634],{"class":5525},[5191,10730,10731],{"class":5492}," monit\n",[5191,10733,10734],{"class":5193,"line":5225},[5191,10735,5216],{"emptyLinePlaceholder":5215},[5191,10737,10738],{"class":5193,"line":5231},[5191,10739,10740],{"class":5505},"# Логи всіх процесів\n",[5191,10742,10743,10745],{"class":5193,"line":5237},[5191,10744,10634],{"class":5525},[5191,10746,10747],{"class":5492}," logs\n",[5191,10749,10750],{"class":5193,"line":5243},[5191,10751,5216],{"emptyLinePlaceholder":5215},[5191,10753,10754],{"class":5193,"line":5248},[5191,10755,10756],{"class":5505},"# Логи конкретного застосунку\n",[5191,10758,10759,10761,10764],{"class":5193,"line":5254},[5191,10760,10634],{"class":5525},[5191,10762,10763],{"class":5492}," logs",[5191,10765,10766],{"class":5492}," api-server\n",[5191,10768,10769],{"class":5193,"line":5260},[5191,10770,5216],{"emptyLinePlaceholder":5215},[5191,10772,10773],{"class":5193,"line":5266},[5191,10774,10775],{"class":5505},"# Перезапуск без downtime (graceful reload)\n",[5191,10777,10778,10780,10783],{"class":5193,"line":5272},[5191,10779,10634],{"class":5525},[5191,10781,10782],{"class":5492}," reload",[5191,10784,10766],{"class":5492},[5191,10786,10787],{"class":5193,"line":5278},[5191,10788,5216],{"emptyLinePlaceholder":5215},[5191,10790,10791],{"class":5193,"line":5283},[5191,10792,10793],{"class":5505},"# Зупинка\n",[5191,10795,10796,10798,10801],{"class":5193,"line":5288},[5191,10797,10634],{"class":5525},[5191,10799,10800],{"class":5492}," stop",[5191,10802,10766],{"class":5492},[5191,10804,10805],{"class":5193,"line":5294},[5191,10806,5216],{"emptyLinePlaceholder":5215},[5191,10808,10809],{"class":5193,"line":5300},[5191,10810,10811],{"class":5505},"# Видалення з PM2\n",[5191,10813,10814,10816,10819],{"class":5193,"line":5305},[5191,10815,10634],{"class":5525},[5191,10817,10818],{"class":5492}," delete",[5191,10820,10766],{"class":5492},[5160,10822,10824],{"id":10823},"конфігурація-pm2-через-ecosystemconfigjs","Конфігурація PM2 через ecosystem.config.js",[5165,10826,10827,10828,7316],{},"Для складних налаштувань створіть файл ",[5105,10829,10830],{},"ecosystem.config.js",[5182,10832,10836],{"className":10833,"code":10834,"language":10835,"meta":5187,"style":5187},"language-javascript shiki shiki-themes light-plus dark-plus dark-plus","module.exports = {\n  apps: [\n    {\n      name: 'api-server',\n      script: '.\u002Fdist\u002Fserver.js',\n      instances: 'max', \u002F\u002F Або конкретне число: 4\n      exec_mode: 'cluster',\n      env: {\n        NODE_ENV: 'development',\n        PORT: 3000,\n      },\n      env_production: {\n        NODE_ENV: 'production',\n        PORT: 8080,\n      },\n      max_memory_restart: '500M', \u002F\u002F Перезапуск при перевищенні пам'яті\n      error_file: '.\u002Flogs\u002Ferr.log',\n      out_file: '.\u002Flogs\u002Fout.log',\n      log_date_format: 'YYYY-MM-DD HH:mm:ss Z',\n      autorestart: true,\n      watch: false, \u002F\u002F Вимкнути у production\n      max_restarts: 10,\n      min_uptime: '10s',\n    },\n  ],\n};\n","javascript",[5105,10837,10838,10851,10859,10864,10874,10884,10897,10907,10914,10924,10934,10939,10946,10955,10964,10968,10981,10991,11001,11011,11020,11033,11043,11053,11058,11063],{"__ignoreMap":5187},[5191,10839,10840,10843,10845,10848],{"class":5193,"line":5194},[5191,10841,10842],{"class":5800},"module",[5191,10844,5549],{"class":5472},[5191,10846,10847],{"class":5800},"exports",[5191,10849,10850],{"class":5472}," = {\n",[5191,10852,10853,10856],{"class":5193,"line":5200},[5191,10854,10855],{"class":5476},"  apps:",[5191,10857,10858],{"class":5472}," [\n",[5191,10860,10861],{"class":5193,"line":5206},[5191,10862,10863],{"class":5472},"    {\n",[5191,10865,10866,10869,10872],{"class":5193,"line":5212},[5191,10867,10868],{"class":5476},"      name:",[5191,10870,10871],{"class":5492}," 'api-server'",[5191,10873,5838],{"class":5472},[5191,10875,10876,10879,10882],{"class":5193,"line":5219},[5191,10877,10878],{"class":5476},"      script:",[5191,10880,10881],{"class":5492}," '.\u002Fdist\u002Fserver.js'",[5191,10883,5838],{"class":5472},[5191,10885,10886,10889,10892,10894],{"class":5193,"line":5225},[5191,10887,10888],{"class":5476},"      instances:",[5191,10890,10891],{"class":5492}," 'max'",[5191,10893,5480],{"class":5472},[5191,10895,10896],{"class":5505},"\u002F\u002F Або конкретне число: 4\n",[5191,10898,10899,10902,10905],{"class":5193,"line":5231},[5191,10900,10901],{"class":5476},"      exec_mode:",[5191,10903,10904],{"class":5492}," 'cluster'",[5191,10906,5838],{"class":5472},[5191,10908,10909,10912],{"class":5193,"line":5237},[5191,10910,10911],{"class":5476},"      env:",[5191,10913,5541],{"class":5472},[5191,10915,10916,10919,10922],{"class":5193,"line":5243},[5191,10917,10918],{"class":5476},"        NODE_ENV:",[5191,10920,10921],{"class":5492}," 'development'",[5191,10923,5838],{"class":5472},[5191,10925,10926,10929,10932],{"class":5193,"line":5248},[5191,10927,10928],{"class":5476},"        PORT:",[5191,10930,10931],{"class":5621}," 3000",[5191,10933,5838],{"class":5472},[5191,10935,10936],{"class":5193,"line":5254},[5191,10937,10938],{"class":5472},"      },\n",[5191,10940,10941,10944],{"class":5193,"line":5260},[5191,10942,10943],{"class":5476},"      env_production:",[5191,10945,5541],{"class":5472},[5191,10947,10948,10950,10953],{"class":5193,"line":5266},[5191,10949,10918],{"class":5476},[5191,10951,10952],{"class":5492}," 'production'",[5191,10954,5838],{"class":5472},[5191,10956,10957,10959,10962],{"class":5193,"line":5272},[5191,10958,10928],{"class":5476},[5191,10960,10961],{"class":5621}," 8080",[5191,10963,5838],{"class":5472},[5191,10965,10966],{"class":5193,"line":5278},[5191,10967,10938],{"class":5472},[5191,10969,10970,10973,10976,10978],{"class":5193,"line":5283},[5191,10971,10972],{"class":5476},"      max_memory_restart:",[5191,10974,10975],{"class":5492}," '500M'",[5191,10977,5480],{"class":5472},[5191,10979,10980],{"class":5505},"\u002F\u002F Перезапуск при перевищенні пам'яті\n",[5191,10982,10983,10986,10989],{"class":5193,"line":5288},[5191,10984,10985],{"class":5476},"      error_file:",[5191,10987,10988],{"class":5492}," '.\u002Flogs\u002Ferr.log'",[5191,10990,5838],{"class":5472},[5191,10992,10993,10996,10999],{"class":5193,"line":5294},[5191,10994,10995],{"class":5476},"      out_file:",[5191,10997,10998],{"class":5492}," '.\u002Flogs\u002Fout.log'",[5191,11000,5838],{"class":5472},[5191,11002,11003,11006,11009],{"class":5193,"line":5300},[5191,11004,11005],{"class":5476},"      log_date_format:",[5191,11007,11008],{"class":5492}," 'YYYY-MM-DD HH:mm:ss Z'",[5191,11010,5838],{"class":5472},[5191,11012,11013,11016,11018],{"class":5193,"line":5305},[5191,11014,11015],{"class":5476},"      autorestart:",[5191,11017,5678],{"class":5511},[5191,11019,5838],{"class":5472},[5191,11021,11022,11025,11028,11030],{"class":5193,"line":5310},[5191,11023,11024],{"class":5476},"      watch:",[5191,11026,11027],{"class":5511}," false",[5191,11029,5480],{"class":5472},[5191,11031,11032],{"class":5505},"\u002F\u002F Вимкнути у production\n",[5191,11034,11035,11038,11041],{"class":5193,"line":5316},[5191,11036,11037],{"class":5476},"      max_restarts:",[5191,11039,11040],{"class":5621}," 10",[5191,11042,5838],{"class":5472},[5191,11044,11045,11048,11051],{"class":5193,"line":5322},[5191,11046,11047],{"class":5476},"      min_uptime:",[5191,11049,11050],{"class":5492}," '10s'",[5191,11052,5838],{"class":5472},[5191,11054,11055],{"class":5193,"line":5328},[5191,11056,11057],{"class":5472},"    },\n",[5191,11059,11060],{"class":5193,"line":5334},[5191,11061,11062],{"class":5472},"  ],\n",[5191,11064,11065],{"class":5193,"line":5340},[5191,11066,11067],{"class":5472},"};\n",[5165,11069,11070],{},"Запуск через конфігурацію:",[5182,11072,11074],{"className":10598,"code":11073,"language":10600,"meta":5187,"style":5187},"# Development\npm2 start ecosystem.config.js\n\n# Production\npm2 start ecosystem.config.js --env production\n\n# Автостарт після перезавантаження сервера\npm2 startup\npm2 save\n",[5105,11075,11076,11081,11090,11094,11099,11114,11118,11123,11130],{"__ignoreMap":5187},[5191,11077,11078],{"class":5193,"line":5194},[5191,11079,11080],{"class":5505},"# Development\n",[5191,11082,11083,11085,11087],{"class":5193,"line":5200},[5191,11084,10634],{"class":5525},[5191,11086,6762],{"class":5492},[5191,11088,11089],{"class":5492}," ecosystem.config.js\n",[5191,11091,11092],{"class":5193,"line":5206},[5191,11093,5216],{"emptyLinePlaceholder":5215},[5191,11095,11096],{"class":5193,"line":5212},[5191,11097,11098],{"class":5505},"# Production\n",[5191,11100,11101,11103,11105,11108,11111],{"class":5193,"line":5219},[5191,11102,10634],{"class":5525},[5191,11104,6762],{"class":5492},[5191,11106,11107],{"class":5492}," ecosystem.config.js",[5191,11109,11110],{"class":5511}," --env",[5191,11112,11113],{"class":5492}," production\n",[5191,11115,11116],{"class":5193,"line":5225},[5191,11117,5216],{"emptyLinePlaceholder":5215},[5191,11119,11120],{"class":5193,"line":5231},[5191,11121,11122],{"class":5505},"# Автостарт після перезавантаження сервера\n",[5191,11124,11125,11127],{"class":5193,"line":5237},[5191,11126,10634],{"class":5525},[5191,11128,11129],{"class":5492}," startup\n",[5191,11131,11132,11134],{"class":5193,"line":5243},[5191,11133,10634],{"class":5525},[5191,11135,11136],{"class":5492}," save\n",[7735,11138,11139,11140,11142],{},"PM2 має вбудовану інтеграцію з Docker, Kubernetes та хмарними платформами (AWS, Azure, Google Cloud). Для production рекомендується використовувати PM2 замість ручної кластеризації через ",[5105,11141,5107],{}," модуль.",[5155,11144,11146],{"id":11145},"кешування-прискорення-повторних-запитів","Кешування: прискорення повторних запитів",[5165,11148,11149],{},"Кешування — це збереження результатів дорогих операцій для повторного використання без повторного обчислення.",[5160,11151,11153],{"id":11152},"in-memory-кешування-map","In-Memory кешування: Map",[5165,11155,11156,11157,11160],{},"Найпростіший спосіб — використання ",[5105,11158,11159],{},"Map"," для зберігання даних у пам'яті процесу:",[5182,11162,11164],{"className":5459,"code":11163,"language":5461,"meta":5187,"style":5187},"class InMemoryCache\u003CT> {\n  private cache = new Map\u003Cstring, { value: T; expiry: number }>();\n\n  set(key: string, value: T, ttlMs: number = 60000): void {\n    const expiry = Date.now() + ttlMs;\n    this.cache.set(key, { value, expiry });\n  }\n\n  get(key: string): T | null {\n    const entry = this.cache.get(key);\n\n    if (!entry) return null;\n\n    if (Date.now() > entry.expiry) {\n      this.cache.delete(key);\n      return null;\n    }\n\n    return entry.value;\n  }\n\n  delete(key: string): void {\n    this.cache.delete(key);\n  }\n\n  clear(): void {\n    this.cache.clear();\n  }\n\n  \u002F\u002F Періодичне очищення протермінованих ключів\n  startCleanup(intervalMs: number = 60000): NodeJS.Timeout {\n    return setInterval(() => {\n      const now = Date.now();\n      for (const [key, entry] of this.cache.entries()) {\n        if (now > entry.expiry) {\n          this.cache.delete(key);\n        }\n      }\n    }, intervalMs);\n  }\n}\n\n\u002F\u002F Використання\nconst cache = new InMemoryCache\u003CUser>();\ncache.startCleanup();\n\napp.get('\u002Fuser\u002F:id', async (req, res) => {\n  const userId = req.params.id;\n  const cacheKey = `user:${userId}`;\n\n  \u002F\u002F Спроба отримати з кешу\n  let user = cache.get(cacheKey);\n\n  if (!user) {\n    \u002F\u002F Cache miss — завантажити з БД\n    user = await db.query('SELECT * FROM users WHERE id = $1', [userId]);\n    \n    \u002F\u002F Зберегти у кеш на 5 хвилин\n    cache.set(cacheKey, user, 5 * 60 * 1000);\n  }\n\n  res.json(user);\n});\n",[5105,11165,11166,11179,11218,11222,11264,11286,11314,11318,11322,11345,11370,11374,11393,11397,11420,11439,11447,11451,11455,11467,11471,11475,11494,11512,11516,11520,11531,11546,11550,11554,11559,11587,11600,11616,11654,11673,11692,11697,11701,11709,11713,11717,11721,11725,11745,11756,11760,11790,11810,11832,11836,11841,11862,11866,11877,11882,11911,11916,11921,11955,11959,11963,11977],{"__ignoreMap":5187},[5191,11167,11168,11170,11173,11175,11177],{"class":5193,"line":5194},[5191,11169,6400],{"class":5511},[5191,11171,11172],{"class":5800}," InMemoryCache",[5191,11174,5797],{"class":5472},[5191,11176,5801],{"class":5800},[5191,11178,8716],{"class":5472},[5191,11180,11181,11183,11186,11188,11190,11193,11195,11197,11200,11202,11204,11206,11208,11211,11213,11215],{"class":5193,"line":5200},[5191,11182,6410],{"class":5511},[5191,11184,11185],{"class":5476}," cache",[5191,11187,5519],{"class":5472},[5191,11189,5522],{"class":5511},[5191,11191,11192],{"class":5525}," Map",[5191,11194,5797],{"class":5472},[5191,11196,8429],{"class":5800},[5191,11198,11199],{"class":5472},", { ",[5191,11201,8356],{"class":5476},[5191,11203,5602],{"class":5472},[5191,11205,5801],{"class":5800},[5191,11207,6270],{"class":5472},[5191,11209,11210],{"class":5476},"expiry",[5191,11212,5602],{"class":5472},[5191,11214,6229],{"class":5800},[5191,11216,11217],{"class":5472}," }>();\n",[5191,11219,11220],{"class":5193,"line":5206},[5191,11221,5216],{"emptyLinePlaceholder":5215},[5191,11223,11224,11227,11229,11232,11234,11236,11238,11240,11242,11244,11246,11249,11251,11253,11255,11258,11260,11262],{"class":5193,"line":5212},[5191,11225,11226],{"class":5525},"  set",[5191,11228,5582],{"class":5472},[5191,11230,11231],{"class":5476},"key",[5191,11233,5602],{"class":5472},[5191,11235,8429],{"class":5800},[5191,11237,5480],{"class":5472},[5191,11239,8356],{"class":5476},[5191,11241,5602],{"class":5472},[5191,11243,5801],{"class":5800},[5191,11245,5480],{"class":5472},[5191,11247,11248],{"class":5476},"ttlMs",[5191,11250,5602],{"class":5472},[5191,11252,6229],{"class":5800},[5191,11254,5519],{"class":5472},[5191,11256,11257],{"class":5621},"60000",[5191,11259,5854],{"class":5472},[5191,11261,6478],{"class":5800},[5191,11263,5541],{"class":5472},[5191,11265,11266,11268,11271,11273,11275,11277,11279,11282,11284],{"class":5193,"line":5219},[5191,11267,5899],{"class":5511},[5191,11269,11270],{"class":5515}," expiry",[5191,11272,5519],{"class":5472},[5191,11274,6767],{"class":5476},[5191,11276,5549],{"class":5472},[5191,11278,6422],{"class":5525},[5191,11280,11281],{"class":5472},"() + ",[5191,11283,11248],{"class":5476},[5191,11285,5496],{"class":5472},[5191,11287,11288,11290,11292,11295,11297,11300,11302,11304,11306,11308,11310,11312],{"class":5193,"line":5225},[5191,11289,6485],{"class":5511},[5191,11291,5549],{"class":5472},[5191,11293,11294],{"class":5476},"cache",[5191,11296,5549],{"class":5472},[5191,11298,11299],{"class":5525},"set",[5191,11301,5582],{"class":5472},[5191,11303,11231],{"class":5476},[5191,11305,11199],{"class":5472},[5191,11307,8356],{"class":5476},[5191,11309,5480],{"class":5472},[5191,11311,11210],{"class":5476},[5191,11313,5681],{"class":5472},[5191,11315,11316],{"class":5193,"line":5231},[5191,11317,6642],{"class":5472},[5191,11319,11320],{"class":5193,"line":5237},[5191,11321,5216],{"emptyLinePlaceholder":5215},[5191,11323,11324,11327,11329,11331,11333,11335,11337,11339,11341,11343],{"class":5193,"line":5243},[5191,11325,11326],{"class":5525},"  get",[5191,11328,5582],{"class":5472},[5191,11330,11231],{"class":5476},[5191,11332,5602],{"class":5472},[5191,11334,8429],{"class":5800},[5191,11336,5854],{"class":5472},[5191,11338,5801],{"class":5800},[5191,11340,6445],{"class":5472},[5191,11342,6448],{"class":5800},[5191,11344,5541],{"class":5472},[5191,11346,11347,11349,11352,11354,11356,11358,11360,11362,11364,11366,11368],{"class":5193,"line":5248},[5191,11348,5899],{"class":5511},[5191,11350,11351],{"class":5515}," entry",[5191,11353,5519],{"class":5472},[5191,11355,6536],{"class":5511},[5191,11357,5549],{"class":5472},[5191,11359,11294],{"class":5476},[5191,11361,5549],{"class":5472},[5191,11363,6920],{"class":5525},[5191,11365,5582],{"class":5472},[5191,11367,11231],{"class":5476},[5191,11369,5633],{"class":5472},[5191,11371,11372],{"class":5193,"line":5254},[5191,11373,5216],{"emptyLinePlaceholder":5215},[5191,11375,11376,11378,11381,11383,11385,11388,11391],{"class":5193,"line":5260},[5191,11377,6024],{"class":5468},[5191,11379,11380],{"class":5472}," (!",[5191,11382,5563],{"class":5476},[5191,11384,5535],{"class":5472},[5191,11386,11387],{"class":5468},"return",[5191,11389,11390],{"class":5511}," null",[5191,11392,5496],{"class":5472},[5191,11394,11395],{"class":5193,"line":5266},[5191,11396,5216],{"emptyLinePlaceholder":5215},[5191,11398,11399,11401,11403,11405,11407,11409,11412,11414,11416,11418],{"class":5193,"line":5272},[5191,11400,6024],{"class":5468},[5191,11402,5171],{"class":5472},[5191,11404,6767],{"class":5476},[5191,11406,5549],{"class":5472},[5191,11408,6422],{"class":5525},[5191,11410,11411],{"class":5472},"() > ",[5191,11413,5563],{"class":5476},[5191,11415,5549],{"class":5472},[5191,11417,11210],{"class":5476},[5191,11419,6038],{"class":5472},[5191,11421,11422,11424,11426,11428,11430,11433,11435,11437],{"class":5193,"line":5278},[5191,11423,6618],{"class":5511},[5191,11425,5549],{"class":5472},[5191,11427,11294],{"class":5476},[5191,11429,5549],{"class":5472},[5191,11431,11432],{"class":5525},"delete",[5191,11434,5582],{"class":5472},[5191,11436,11231],{"class":5476},[5191,11438,5633],{"class":5472},[5191,11440,11441,11443,11445],{"class":5193,"line":5283},[5191,11442,6043],{"class":5468},[5191,11444,11390],{"class":5511},[5191,11446,5496],{"class":5472},[5191,11448,11449],{"class":5193,"line":5288},[5191,11450,6118],{"class":5472},[5191,11452,11453],{"class":5193,"line":5294},[5191,11454,5216],{"emptyLinePlaceholder":5215},[5191,11456,11457,11459,11461,11463,11465],{"class":5193,"line":5300},[5191,11458,6172],{"class":5468},[5191,11460,11351],{"class":5476},[5191,11462,5549],{"class":5472},[5191,11464,8356],{"class":5476},[5191,11466,5496],{"class":5472},[5191,11468,11469],{"class":5193,"line":5305},[5191,11470,6642],{"class":5472},[5191,11472,11473],{"class":5193,"line":5310},[5191,11474,5216],{"emptyLinePlaceholder":5215},[5191,11476,11477,11480,11482,11484,11486,11488,11490,11492],{"class":5193,"line":5316},[5191,11478,11479],{"class":5525},"  delete",[5191,11481,5582],{"class":5472},[5191,11483,11231],{"class":5476},[5191,11485,5602],{"class":5472},[5191,11487,8429],{"class":5800},[5191,11489,5854],{"class":5472},[5191,11491,6478],{"class":5800},[5191,11493,5541],{"class":5472},[5191,11495,11496,11498,11500,11502,11504,11506,11508,11510],{"class":5193,"line":5322},[5191,11497,6485],{"class":5511},[5191,11499,5549],{"class":5472},[5191,11501,11294],{"class":5476},[5191,11503,5549],{"class":5472},[5191,11505,11432],{"class":5525},[5191,11507,5582],{"class":5472},[5191,11509,11231],{"class":5476},[5191,11511,5633],{"class":5472},[5191,11513,11514],{"class":5193,"line":5328},[5191,11515,6642],{"class":5472},[5191,11517,11518],{"class":5193,"line":5334},[5191,11519,5216],{"emptyLinePlaceholder":5215},[5191,11521,11522,11525,11527,11529],{"class":5193,"line":5340},[5191,11523,11524],{"class":5525},"  clear",[5191,11526,6654],{"class":5472},[5191,11528,6478],{"class":5800},[5191,11530,5541],{"class":5472},[5191,11532,11533,11535,11537,11539,11541,11544],{"class":5193,"line":5345},[5191,11534,6485],{"class":5511},[5191,11536,5549],{"class":5472},[5191,11538,11294],{"class":5476},[5191,11540,5549],{"class":5472},[5191,11542,11543],{"class":5525},"clear",[5191,11545,6425],{"class":5472},[5191,11547,11548],{"class":5193,"line":5351},[5191,11549,6642],{"class":5472},[5191,11551,11552],{"class":5193,"line":5357},[5191,11553,5216],{"emptyLinePlaceholder":5215},[5191,11555,11556],{"class":5193,"line":5363},[5191,11557,11558],{"class":5505},"  \u002F\u002F Періодичне очищення протермінованих ключів\n",[5191,11560,11561,11564,11566,11569,11571,11573,11575,11577,11579,11581,11583,11585],{"class":5193,"line":5369},[5191,11562,11563],{"class":5525},"  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this",[5191,11643,5549],{"class":5472},[5191,11645,11294],{"class":5476},[5191,11647,5549],{"class":5472},[5191,11649,11650],{"class":5525},"entries",[5191,11652,11653],{"class":5472},"()) {\n",[5191,11655,11656,11659,11661,11663,11665,11667,11669,11671],{"class":5193,"line":6288},[5191,11657,11658],{"class":5468},"        if",[5191,11660,5171],{"class":5472},[5191,11662,6422],{"class":5476},[5191,11664,6564],{"class":5472},[5191,11666,5563],{"class":5476},[5191,11668,5549],{"class":5472},[5191,11670,11210],{"class":5476},[5191,11672,6038],{"class":5472},[5191,11674,11675,11678,11680,11682,11684,11686,11688,11690],{"class":5193,"line":6311},[5191,11676,11677],{"class":5511},"          this",[5191,11679,5549],{"class":5472},[5191,11681,11294],{"class":5476},[5191,11683,5549],{"class":5472},[5191,11685,11432],{"class":5525},[5191,11687,5582],{"class":5472},[5191,11689,11231],{"class":5476},[5191,11691,5633],{"class":5472},[5191,11693,11694],{"class":5193,"line":6316},[5191,11695,11696],{"class":5472},"        }\n",[5191,11698,11699],{"class":5193,"line":6325},[5191,11700,6609],{"class":5472},[5191,11702,11703,11705,11707],{"class":5193,"line":6331},[5191,11704,6633],{"class":5472},[5191,11706,11568],{"class":5476},[5191,11708,5633],{"class":5472},[5191,11710,11711],{"class":5193,"line":6337},[5191,11712,6642],{"class":5472},[5191,11714,11715],{"class":5193,"line":6342},[5191,11716,5240],{"class":5472},[5191,11718,11719],{"class":5193,"line":6347},[5191,11720,5216],{"emptyLinePlaceholder":5215},[5191,11722,11723],{"class":5193,"line":6360},[5191,11724,6201],{"class":5505},[5191,11726,11727,11729,11731,11733,11735,11737,11739,11742],{"class":5193,"line":8846},[5191,11728,5512],{"class":5511},[5191,11730,11185],{"class":5515},[5191,11732,5519],{"class":5472},[5191,11734,5522],{"class":5511},[5191,11736,11172],{"class":5525},[5191,11738,5797],{"class":5472},[5191,11740,11741],{"class":5800},"User",[5191,11743,11744],{"class":5472},">();\n",[5191,11746,11747,11749,11751,11754],{"class":5193,"line":8851},[5191,11748,11294],{"class":5476},[5191,11750,5549],{"class":5472},[5191,11752,11753],{"class":5525},"startCleanup",[5191,11755,6425],{"class":5472},[5191,11757,11758],{"class":5193,"line":8856},[5191,11759,5216],{"emptyLinePlaceholder":5215},[5191,11761,11762,11764,11766,11768,11770,11772,11774,11776,11778,11780,11782,11784,11786,11788],{"class":5193,"line":8899},[5191,11763,6915],{"class":5476},[5191,11765,5549],{"class":5472},[5191,11767,6920],{"class":5525},[5191,11769,5582],{"class":5472},[5191,11771,6925],{"class":5492},[5191,11773,5480],{"class":5472},[5191,11775,7142],{"class":5511},[5191,11777,5171],{"class":5472},[5191,11779,6931],{"class":5476},[5191,11781,5480],{"class":5472},[5191,11783,6936],{"class":5476},[5191,11785,5535],{"class":5472},[5191,11787,5538],{"class":5511},[5191,11789,5541],{"class":5472},[5191,11791,11792,11794,11796,11798,11800,11802,11804,11806,11808],{"class":5193,"line":8922},[5191,11793,6759],{"class":5511},[5191,11795,6949],{"class":5515},[5191,11797,5519],{"class":5472},[5191,11799,6931],{"class":5476},[5191,11801,5549],{"class":5472},[5191,11803,6958],{"class":5476},[5191,11805,5549],{"class":5472},[5191,11807,6963],{"class":5476},[5191,11809,5496],{"class":5472},[5191,11811,11812,11814,11817,11819,11822,11824,11826,11828,11830],{"class":5193,"line":8927},[5191,11813,6759],{"class":5511},[5191,11815,11816],{"class":5515}," cacheKey",[5191,11818,5519],{"class":5472},[5191,11820,11821],{"class":5492},"`user:",[5191,11823,5588],{"class":5511},[5191,11825,7002],{"class":5476},[5191,11827,5599],{"class":5511},[5191,11829,5585],{"class":5492},[5191,11831,5496],{"class":5472},[5191,11833,11834],{"class":5193,"line":8950},[5191,11835,5216],{"emptyLinePlaceholder":5215},[5191,11837,11838],{"class":5193,"line":8966},[5191,11839,11840],{"class":5505},"  \u002F\u002F Спроба отримати з кешу\n",[5191,11842,11843,11845,11847,11849,11851,11853,11855,11857,11860],{"class":5193,"line":8985},[5191,11844,7376],{"class":5511},[5191,11846,7021],{"class":5476},[5191,11848,5519],{"class":5472},[5191,11850,11294],{"class":5476},[5191,11852,5549],{"class":5472},[5191,11854,6920],{"class":5525},[5191,11856,5582],{"class":5472},[5191,11858,11859],{"class":5476},"cacheKey",[5191,11861,5633],{"class":5472},[5191,11863,11864],{"class":5193,"line":8997},[5191,11865,5216],{"emptyLinePlaceholder":5215},[5191,11867,11868,11871,11873,11875],{"class":5193,"line":9018},[5191,11869,11870],{"class":5468},"  if",[5191,11872,11380],{"class":5472},[5191,11874,7057],{"class":5476},[5191,11876,6038],{"class":5472},[5191,11878,11879],{"class":5193,"line":9038},[5191,11880,11881],{"class":5505},"    \u002F\u002F Cache miss — завантажити з БД\n",[5191,11883,11884,11887,11889,11891,11894,11896,11899,11901,11904,11907,11909],{"class":5193,"line":9044},[5191,11885,11886],{"class":5476},"    user",[5191,11888,5519],{"class":5472},[5191,11890,5715],{"class":5468},[5191,11892,11893],{"class":5476}," db",[5191,11895,5549],{"class":5472},[5191,11897,11898],{"class":5525},"query",[5191,11900,5582],{"class":5472},[5191,11902,11903],{"class":5492},"'SELECT * FROM users WHERE id = $1'",[5191,11905,11906],{"class":5472},", [",[5191,11908,7002],{"class":5476},[5191,11910,7523],{"class":5472},[5191,11912,11913],{"class":5193,"line":9049},[5191,11914,11915],{"class":5472},"    \n",[5191,11917,11918],{"class":5193,"line":9071},[5191,11919,11920],{"class":5505},"    \u002F\u002F Зберегти у кеш на 5 хвилин\n",[5191,11922,11923,11926,11928,11930,11932,11934,11936,11938,11940,11943,11946,11949,11951,11953],{"class":5193,"line":9086},[5191,11924,11925],{"class":5476},"    cache",[5191,11927,5549],{"class":5472},[5191,11929,11299],{"class":5525},[5191,11931,5582],{"class":5472},[5191,11933,11859],{"class":5476},[5191,11935,5480],{"class":5472},[5191,11937,7057],{"class":5476},[5191,11939,5480],{"class":5472},[5191,11941,11942],{"class":5621},"5",[5191,11944,11945],{"class":5472}," * ",[5191,11947,11948],{"class":5621},"60",[5191,11950,11945],{"class":5472},[5191,11952,7410],{"class":5621},[5191,11954,5633],{"class":5472},[5191,11956,11957],{"class":5193,"line":9105},[5191,11958,6642],{"class":5472},[5191,11960,11961],{"class":5193,"line":9116},[5191,11962,5216],{"emptyLinePlaceholder":5215},[5191,11964,11965,11967,11969,11971,11973,11975],{"class":5193,"line":9135},[5191,11966,7047],{"class":5476},[5191,11968,5549],{"class":5472},[5191,11970,7052],{"class":5525},[5191,11972,5582],{"class":5472},[5191,11974,7057],{"class":5476},[5191,11976,5633],{"class":5472},[5191,11978,11979],{"class":5193,"line":9154},[5191,11980,5643],{"class":5472},[5436,11982,11983,11984,11987],{},"In-memory кеш у кластерному режимі ",[5126,11985,11986],{},"не діляться між workers",". Кожен worker має власний кеш. Для спільного кешу використовуйте Redis або Memcached.",[5160,11989,11991],{"id":11990},"redis-розподілений-кеш","Redis: розподілений кеш",[5165,11993,11994],{},"Redis — це in-memory база даних, яка працює як централізований кеш для всіх процесів:",[5182,11996,11998],{"className":5459,"code":11997,"language":5461,"meta":5187,"style":5187},"import { createClient } from 'redis';\n\nconst redis = createClient({ url: process.env.REDIS_URL });\nawait redis.connect();\n\n\u002F\u002F Кешування з TTL\nawait redis.setEx('user:42', 300, JSON.stringify(user)); \u002F\u002F 5 хвилин\n\n\u002F\u002F Отримання з кешу\nconst cached = await redis.get('user:42');\nif (cached) {\n  const user = JSON.parse(cached);\n}\n\n\u002F\u002F Інвалідація кешу\nawait redis.del('user:42');\n\n\u002F\u002F Видалення за патерном (обережно у production!)\nconst keys = await redis.keys('user:*');\nawait redis.del(keys);\n",[5105,11999,12000,12018,12022,12051,12064,12068,12073,12113,12117,12122,12145,12156,12176,12180,12184,12189,12206,12210,12215,12240],{"__ignoreMap":5187},[5191,12001,12002,12004,12006,12009,12011,12013,12016],{"class":5193,"line":5194},[5191,12003,5469],{"class":5468},[5191,12005,5473],{"class":5472},[5191,12007,12008],{"class":5476},"createClient",[5191,12010,5486],{"class":5472},[5191,12012,5489],{"class":5468},[5191,12014,12015],{"class":5492}," 'redis'",[5191,12017,5496],{"class":5472},[5191,12019,12020],{"class":5193,"line":5200},[5191,12021,5216],{"emptyLinePlaceholder":5215},[5191,12023,12024,12026,12029,12031,12033,12035,12038,12040,12042,12044,12046,12049],{"class":5193,"line":5206},[5191,12025,5512],{"class":5511},[5191,12027,12028],{"class":5515}," redis",[5191,12030,5519],{"class":5472},[5191,12032,12008],{"class":5525},[5191,12034,5660],{"class":5472},[5191,12036,12037],{"class":5476},"url:",[5191,12039,9656],{"class":5476},[5191,12041,5549],{"class":5472},[5191,12043,10214],{"class":5476},[5191,12045,5549],{"class":5472},[5191,12047,12048],{"class":5515},"REDIS_URL",[5191,12050,5681],{"class":5472},[5191,12052,12053,12055,12057,12059,12062],{"class":5193,"line":5212},[5191,12054,5715],{"class":5468},[5191,12056,12028],{"class":5476},[5191,12058,5549],{"class":5472},[5191,12060,12061],{"class":5525},"connect",[5191,12063,6425],{"class":5472},[5191,12065,12066],{"class":5193,"line":5219},[5191,12067,5216],{"emptyLinePlaceholder":5215},[5191,12069,12070],{"class":5193,"line":5225},[5191,12071,12072],{"class":5505},"\u002F\u002F Кешування з TTL\n",[5191,12074,12075,12077,12079,12081,12084,12086,12089,12091,12094,12096,12098,12100,12103,12105,12107,12110],{"class":5193,"line":5231},[5191,12076,5715],{"class":5468},[5191,12078,12028],{"class":5476},[5191,12080,5549],{"class":5472},[5191,12082,12083],{"class":5525},"setEx",[5191,12085,5582],{"class":5472},[5191,12087,12088],{"class":5492},"'user:42'",[5191,12090,5480],{"class":5472},[5191,12092,12093],{"class":5621},"300",[5191,12095,5480],{"class":5472},[5191,12097,7026],{"class":5515},[5191,12099,5549],{"class":5472},[5191,12101,12102],{"class":5525},"stringify",[5191,12104,5582],{"class":5472},[5191,12106,7057],{"class":5476},[5191,12108,12109],{"class":5472},")); ",[5191,12111,12112],{"class":5505},"\u002F\u002F 5 хвилин\n",[5191,12114,12115],{"class":5193,"line":5237},[5191,12116,5216],{"emptyLinePlaceholder":5215},[5191,12118,12119],{"class":5193,"line":5243},[5191,12120,12121],{"class":5505},"\u002F\u002F Отримання з кешу\n",[5191,12123,12124,12126,12129,12131,12133,12135,12137,12139,12141,12143],{"class":5193,"line":5248},[5191,12125,5512],{"class":5511},[5191,12127,12128],{"class":5515}," cached",[5191,12130,5519],{"class":5472},[5191,12132,5715],{"class":5468},[5191,12134,12028],{"class":5476},[5191,12136,5549],{"class":5472},[5191,12138,6920],{"class":5525},[5191,12140,5582],{"class":5472},[5191,12142,12088],{"class":5492},[5191,12144,5633],{"class":5472},[5191,12146,12147,12149,12151,12154],{"class":5193,"line":5254},[5191,12148,9699],{"class":5468},[5191,12150,5171],{"class":5472},[5191,12152,12153],{"class":5476},"cached",[5191,12155,6038],{"class":5472},[5191,12157,12158,12160,12162,12164,12166,12168,12170,12172,12174],{"class":5193,"line":5260},[5191,12159,6759],{"class":5511},[5191,12161,7021],{"class":5515},[5191,12163,5519],{"class":5472},[5191,12165,7026],{"class":5515},[5191,12167,5549],{"class":5472},[5191,12169,7031],{"class":5525},[5191,12171,5582],{"class":5472},[5191,12173,12153],{"class":5476},[5191,12175,5633],{"class":5472},[5191,12177,12178],{"class":5193,"line":5266},[5191,12179,5240],{"class":5472},[5191,12181,12182],{"class":5193,"line":5272},[5191,12183,5216],{"emptyLinePlaceholder":5215},[5191,12185,12186],{"class":5193,"line":5278},[5191,12187,12188],{"class":5505},"\u002F\u002F Інвалідація кешу\n",[5191,12190,12191,12193,12195,12197,12200,12202,12204],{"class":5193,"line":5283},[5191,12192,5715],{"class":5468},[5191,12194,12028],{"class":5476},[5191,12196,5549],{"class":5472},[5191,12198,12199],{"class":5525},"del",[5191,12201,5582],{"class":5472},[5191,12203,12088],{"class":5492},[5191,12205,5633],{"class":5472},[5191,12207,12208],{"class":5193,"line":5288},[5191,12209,5216],{"emptyLinePlaceholder":5215},[5191,12211,12212],{"class":5193,"line":5294},[5191,12213,12214],{"class":5505},"\u002F\u002F Видалення за патерном (обережно у production!)\n",[5191,12216,12217,12219,12222,12224,12226,12228,12230,12233,12235,12238],{"class":5193,"line":5300},[5191,12218,5512],{"class":5511},[5191,12220,12221],{"class":5515}," keys",[5191,12223,5519],{"class":5472},[5191,12225,5715],{"class":5468},[5191,12227,12028],{"class":5476},[5191,12229,5549],{"class":5472},[5191,12231,12232],{"class":5525},"keys",[5191,12234,5582],{"class":5472},[5191,12236,12237],{"class":5492},"'user:*'",[5191,12239,5633],{"class":5472},[5191,12241,12242,12244,12246,12248,12250,12252,12254],{"class":5193,"line":5305},[5191,12243,5715],{"class":5468},[5191,12245,12028],{"class":5476},[5191,12247,5549],{"class":5472},[5191,12249,12199],{"class":5525},[5191,12251,5582],{"class":5472},[5191,12253,12232],{"class":5476},[5191,12255,5633],{"class":5472},[5160,12257,12259],{"id":12258},"middleware-для-автоматичного-кешування","Middleware для автоматичного кешування",[5182,12261,12263],{"className":5459,"code":12262,"language":5461,"meta":5187,"style":5187},"import { Request, Response, NextFunction } from 'express';\nimport { createClient } from 'redis';\n\nconst redis = createClient({ url: process.env.REDIS_URL });\nawait redis.connect();\n\nfunction cacheMiddleware(ttlSeconds: number = 300) {\n  return async (req: Request, res: Response, next: NextFunction) => {\n    \u002F\u002F Використовуємо повний URL як ключ кешу\n    const cacheKey = `cache:${req.originalUrl}`;\n\n    try {\n      const cached = await redis.get(cacheKey);\n\n      if (cached) {\n        \u002F\u002F Cache hit\n        return res.json(JSON.parse(cached));\n      }\n\n      \u002F\u002F Перехоплюємо оригінальний res.json\n      const originalJson = res.json.bind(res);\n\n      res.json = function (data: any) {\n        \u002F\u002F Зберігаємо відповідь у кеш\n        redis.setEx(cacheKey, ttlSeconds, JSON.stringify(data)).catch((err) => {\n          console.error('Redis error:', err);\n        });\n\n        return originalJson(data);\n      };\n\n      next();\n    } catch (err) {\n      \u002F\u002F Redis недоступний — пропустити кешування\n      console.error('Redis error:', err);\n      next();\n    }\n  };\n}\n\n\u002F\u002F Використання\napp.get('\u002Fapi\u002Fposts', cacheMiddleware(600), async (req, res) => {\n  const posts = await db.query('SELECT * FROM posts ORDER BY created_at DESC LIMIT 20');\n  res.json(posts);\n});\n",[5105,12264,12265,12292,12308,12312,12338,12350,12354,12376,12414,12419,12445,12449,12456,12478,12482,12492,12497,12524,12528,12532,12537,12563,12567,12590,12595,12639,12660,12665,12669,12681,12686,12690,12697,12709,12714,12733,12739,12743,12748,12752,12756,12760,12801,12825,12840],{"__ignoreMap":5187},[5191,12266,12267,12269,12271,12274,12276,12279,12281,12284,12286,12288,12290],{"class":5193,"line":5194},[5191,12268,5469],{"class":5468},[5191,12270,5473],{"class":5472},[5191,12272,12273],{"class":5476},"Request",[5191,12275,5480],{"class":5472},[5191,12277,12278],{"class":5476},"Response",[5191,12280,5480],{"class":5472},[5191,12282,12283],{"class":5476},"NextFunction",[5191,12285,5486],{"class":5472},[5191,12287,5489],{"class":5468},[5191,12289,6867],{"class":5492},[5191,12291,5496],{"class":5472},[5191,12293,12294,12296,12298,12300,12302,12304,12306],{"class":5193,"line":5200},[5191,12295,5469],{"class":5468},[5191,12297,5473],{"class":5472},[5191,12299,12008],{"class":5476},[5191,12301,5486],{"class":5472},[5191,12303,5489],{"class":5468},[5191,12305,12015],{"class":5492},[5191,12307,5496],{"class":5472},[5191,12309,12310],{"class":5193,"line":5206},[5191,12311,5216],{"emptyLinePlaceholder":5215},[5191,12313,12314,12316,12318,12320,12322,12324,12326,12328,12330,12332,12334,12336],{"class":5193,"line":5212},[5191,12315,5512],{"class":5511},[5191,12317,12028],{"class":5515},[5191,12319,5519],{"class":5472},[5191,12321,12008],{"class":5525},[5191,12323,5660],{"class":5472},[5191,12325,12037],{"class":5476},[5191,12327,9656],{"class":5476},[5191,12329,5549],{"class":5472},[5191,12331,10214],{"class":5476},[5191,12333,5549],{"class":5472},[5191,12335,12048],{"class":5515},[5191,12337,5681],{"class":5472},[5191,12339,12340,12342,12344,12346,12348],{"class":5193,"line":5219},[5191,12341,5715],{"class":5468},[5191,12343,12028],{"class":5476},[5191,12345,5549],{"class":5472},[5191,12347,12061],{"class":5525},[5191,12349,6425],{"class":5472},[5191,12351,12352],{"class":5193,"line":5225},[5191,12353,5216],{"emptyLinePlaceholder":5215},[5191,12355,12356,12358,12361,12363,12366,12368,12370,12372,12374],{"class":5193,"line":5231},[5191,12357,5791],{"class":5511},[5191,12359,12360],{"class":5525}," cacheMiddleware",[5191,12362,5582],{"class":5472},[5191,12364,12365],{"class":5476},"ttlSeconds",[5191,12367,5602],{"class":5472},[5191,12369,6229],{"class":5800},[5191,12371,5519],{"class":5472},[5191,12373,12093],{"class":5621},[5191,12375,6038],{"class":5472},[5191,12377,12378,12380,12383,12385,12387,12389,12391,12393,12395,12397,12399,12401,12404,12406,12408,12410,12412],{"class":5193,"line":5237},[5191,12379,5863],{"class":5468},[5191,12381,12382],{"class":5511}," 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кеш\n",[5191,12596,12597,12600,12602,12604,12606,12608,12610,12612,12614,12616,12618,12620,12622,12624,12627,12629,12631,12633,12635,12637],{"class":5193,"line":5334},[5191,12598,12599],{"class":5476},"        redis",[5191,12601,5549],{"class":5472},[5191,12603,12083],{"class":5525},[5191,12605,5582],{"class":5472},[5191,12607,11859],{"class":5476},[5191,12609,5480],{"class":5472},[5191,12611,12365],{"class":5476},[5191,12613,5480],{"class":5472},[5191,12615,7026],{"class":5515},[5191,12617,5549],{"class":5472},[5191,12619,12102],{"class":5525},[5191,12621,5582],{"class":5472},[5191,12623,7036],{"class":5476},[5191,12625,12626],{"class":5472},")).",[5191,12628,7261],{"class":5525},[5191,12630,5529],{"class":5472},[5191,12632,7266],{"class":5476},[5191,12634,5535],{"class":5472},[5191,12636,5538],{"class":5511},[5191,12638,5541],{"class":5472},[5191,12640,12641,12644,12646,12649,12651,12654,12656,12658],{"class":5193,"line":5340},[5191,12642,12643],{"class":5476},"          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next",[5191,12696,6425],{"class":5472},[5191,12698,12699,12701,12703,12705,12707],{"class":5193,"line":5380},[5191,12700,7586],{"class":5472},[5191,12702,7261],{"class":5468},[5191,12704,5171],{"class":5472},[5191,12706,7266],{"class":5476},[5191,12708,6038],{"class":5472},[5191,12710,12711],{"class":5193,"line":6252},[5191,12712,12713],{"class":5505},"      \u002F\u002F Redis недоступний — пропустити кешування\n",[5191,12715,12716,12719,12721,12723,12725,12727,12729,12731],{"class":5193,"line":6288},[5191,12717,12718],{"class":5476},"      console",[5191,12720,5549],{"class":5472},[5191,12722,12648],{"class":5525},[5191,12724,5582],{"class":5472},[5191,12726,12653],{"class":5492},[5191,12728,5480],{"class":5472},[5191,12730,7266],{"class":5476},[5191,12732,5633],{"class":5472},[5191,12734,12735,12737],{"class":5193,"line":6311},[5191,12736,12694],{"class":5525},[5191,12738,6425],{"class":5472},[5191,12740,12741],{"class":5193,"line":6316},[5191,12742,6118],{"class":5472},[5191,12744,12745],{"class":5193,"line":6325},[5191,12746,12747],{"class":5472},"  };\n",[5191,12749,12750],{"class":5193,"line":6331},[5191,12751,5240],{"class":5472},[5191,12753,12754],{"class":5193,"line":6337},[5191,12755,5216],{"emptyLinePlaceholder":5215},[5191,12757,12758],{"class":5193,"line":6342},[5191,12759,6201],{"class":5505},[5191,12761,12762,12764,12766,12768,12770,12773,12775,12778,12780,12783,12785,12787,12789,12791,12793,12795,12797,12799],{"class":5193,"line":6347},[5191,12763,6915],{"class":5476},[5191,12765,5549],{"class":5472},[5191,12767,6920],{"class":5525},[5191,12769,5582],{"class":5472},[5191,12771,12772],{"class":5492},"'\u002Fapi\u002Fposts'",[5191,12774,5480],{"class":5472},[5191,12776,12777],{"class":5525},"cacheMiddleware",[5191,12779,5582],{"class":5472},[5191,12781,12782],{"class":5621},"600",[5191,12784,7867],{"class":5472},[5191,12786,7142],{"class":5511},[5191,12788,5171],{"class":5472},[5191,12790,6931],{"class":5476},[5191,12792,5480],{"class":5472},[5191,12794,6936],{"class":5476},[5191,12796,5535],{"class":5472},[5191,12798,5538],{"class":5511},[5191,12800,5541],{"class":5472},[5191,12802,12803,12805,12808,12810,12812,12814,12816,12818,12820,12823],{"class":5193,"line":6360},[5191,12804,6759],{"class":5511},[5191,12806,12807],{"class":5515}," posts",[5191,12809,5519],{"class":5472},[5191,12811,5715],{"class":5468},[5191,12813,11893],{"class":5476},[5191,12815,5549],{"class":5472},[5191,12817,11898],{"class":5525},[5191,12819,5582],{"class":5472},[5191,12821,12822],{"class":5492},"'SELECT * FROM posts ORDER BY created_at DESC LIMIT 20'",[5191,12824,5633],{"class":5472},[5191,12826,12827,12829,12831,12833,12835,12838],{"class":5193,"line":8846},[5191,12828,7047],{"class":5476},[5191,12830,5549],{"class":5472},[5191,12832,7052],{"class":5525},[5191,12834,5582],{"class":5472},[5191,12836,12837],{"class":5476},"posts",[5191,12839,5633],{"class":5472},[5191,12841,12842],{"class":5193,"line":8851},[5191,12843,5643],{"class":5472},[7735,12845,12846,12847,12850,12851,12854],{},"Для складних стратегій інвалідації кешу використовуйте tags: зберігайте списки ключів за тегами (наприклад, ",[5105,12848,12849],{},"tag:user:42"," → ",[5105,12852,12853],{},"['user:42', 'posts:user:42']","), щоб видаляти всі пов'язані ключі одним запитом.",[5155,12856,12858],{"id":12857},"http-compression-зменшення-розміру-відповідей","HTTP Compression: зменшення розміру відповідей",[5165,12860,12861],{},"Compression middleware стискає HTTP-відповіді перед відправкою клієнту, зменшуючи розмір на 60-80%:",[5182,12863,12865],{"className":5459,"code":12864,"language":5461,"meta":5187,"style":5187},"import compression from 'compression';\nimport express from 'express';\n\nconst app = express();\n\n\u002F\u002F Увімкнути compression для всіх відповідей\napp.use(\n  compression({\n    level: 6, \u002F\u002F Рівень стиснення (0-9, де 9 — максимальне)\n    threshold: 1024, \u002F\u002F Стискати тільки відповіді >1KB\n    filter: (req, res) => {\n      \u002F\u002F Не стискати streaming-відповіді\n      if (req.headers['x-no-compression']) {\n        return false;\n      }\n      return compression.filter(req, res);\n    },\n  })\n);\n\napp.get('\u002Fapi\u002Flarge-data', (req, res) => {\n  const data = Array.from({ length: 10000 }, (_, i) => ({\n    id: i,\n    name: `Item ${i}`,\n    description: 'Lorem ipsum dolor sit amet...',\n  }));\n\n  res.json(data);\n  \u002F\u002F Без compression: ~2.5 MB\n  \u002F\u002F З compression: ~150 KB (зменшення на 94%)\n});\n",[5105,12866,12867,12881,12893,12897,12909,12913,12918,12929,12936,12949,12962,12983,12988,13009,13017,13021,13042,13046,13051,13055,13059,13086,13122,13131,13149,13159,13164,13168,13182,13187,13192],{"__ignoreMap":5187},[5191,12868,12869,12871,12874,12876,12879],{"class":5193,"line":5194},[5191,12870,5469],{"class":5468},[5191,12872,12873],{"class":5476}," compression",[5191,12875,6864],{"class":5468},[5191,12877,12878],{"class":5492}," 'compression'",[5191,12880,5496],{"class":5472},[5191,12882,12883,12885,12887,12889,12891],{"class":5193,"line":5200},[5191,12884,5469],{"class":5468},[5191,12886,6861],{"class":5476},[5191,12888,6864],{"class":5468},[5191,12890,6867],{"class":5492},[5191,12892,5496],{"class":5472},[5191,12894,12895],{"class":5193,"line":5206},[5191,12896,5216],{"emptyLinePlaceholder":5215},[5191,12898,12899,12901,12903,12905,12907],{"class":5193,"line":5212},[5191,12900,5512],{"class":5511},[5191,12902,6894],{"class":5515},[5191,12904,5519],{"class":5472},[5191,12906,6899],{"class":5525},[5191,12908,6425],{"class":5472},[5191,12910,12911],{"class":5193,"line":5219},[5191,12912,5216],{"emptyLinePlaceholder":5215},[5191,12914,12915],{"class":5193,"line":5225},[5191,12916,12917],{"class":5505},"\u002F\u002F Увімкнути compression для всіх відповідей\n",[5191,12919,12920,12922,12924,12927],{"class":5193,"line":5231},[5191,12921,6915],{"class":5476},[5191,12923,5549],{"class":5472},[5191,12925,12926],{"class":5525},"use",[5191,12928,6216],{"class":5472},[5191,12930,12931,12934],{"class":5193,"line":5237},[5191,12932,12933],{"class":5525},"  compression",[5191,12935,10148],{"class":5472},[5191,12937,12938,12941,12944,12946],{"class":5193,"line":5243},[5191,12939,12940],{"class":5476},"    level:",[5191,12942,12943],{"class":5621}," 6",[5191,12945,5480],{"class":5472},[5191,12947,12948],{"class":5505},"\u002F\u002F Рівень стиснення (0-9, де 9 — максимальне)\n",[5191,12950,12951,12954,12957,12959],{"class":5193,"line":5248},[5191,12952,12953],{"class":5476},"    threshold:",[5191,12955,12956],{"class":5621}," 1024",[5191,12958,5480],{"class":5472},[5191,12960,12961],{"class":5505},"\u002F\u002F Стискати тільки відповіді >1KB\n",[5191,12963,12964,12967,12969,12971,12973,12975,12977,12979,12981],{"class":5193,"line":5254},[5191,12965,12966],{"class":5525},"    filter",[5191,12968,7316],{"class":5476},[5191,12970,5171],{"class":5472},[5191,12972,6931],{"class":5476},[5191,12974,5480],{"class":5472},[5191,12976,6936],{"class":5476},[5191,12978,5535],{"class":5472},[5191,12980,5538],{"class":5511},[5191,12982,5541],{"class":5472},[5191,12984,12985],{"class":5193,"line":5260},[5191,12986,12987],{"class":5505},"      \u002F\u002F Не стискати streaming-відповіді\n",[5191,12989,12990,12992,12994,12996,12998,13001,13003,13006],{"class":5193,"line":5266},[5191,12991,6556],{"class":5468},[5191,12993,5171],{"class":5472},[5191,12995,6931],{"class":5476},[5191,12997,5549],{"class":5472},[5191,12999,13000],{"class":5476},"headers",[5191,13002,7518],{"class":5472},[5191,13004,13005],{"class":5492},"'x-no-compression'",[5191,13007,13008],{"class":5472},"]) 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})\n",[5191,13052,13053],{"class":5193,"line":5300},[5191,13054,5633],{"class":5472},[5191,13056,13057],{"class":5193,"line":5305},[5191,13058,5216],{"emptyLinePlaceholder":5215},[5191,13060,13061,13063,13065,13067,13069,13072,13074,13076,13078,13080,13082,13084],{"class":5193,"line":5310},[5191,13062,6915],{"class":5476},[5191,13064,5549],{"class":5472},[5191,13066,6920],{"class":5525},[5191,13068,5582],{"class":5472},[5191,13070,13071],{"class":5492},"'\u002Fapi\u002Flarge-data'",[5191,13073,6928],{"class":5472},[5191,13075,6931],{"class":5476},[5191,13077,5480],{"class":5472},[5191,13079,6936],{"class":5476},[5191,13081,5535],{"class":5472},[5191,13083,5538],{"class":5511},[5191,13085,5541],{"class":5472},[5191,13087,13088,13090,13092,13094,13096,13098,13100,13102,13104,13107,13109,13111,13113,13115,13117,13119],{"class":5193,"line":5316},[5191,13089,6759],{"class":5511},[5191,13091,6982],{"class":5515},[5191,13093,5519],{"class":5472},[5191,13095,7646],{"class":5476},[5191,13097,5549],{"class":5472},[5191,13099,5489],{"class":5525},[5191,13101,5660],{"class":5472},[5191,13103,7655],{"class":5476},[5191,13105,13106],{"class":5621}," 10000",[5191,13108,7661],{"class":5472},[5191,13110,7664],{"class":5476},[5191,13112,5480],{"class":5472},[5191,13114,6273],{"class":5476},[5191,13116,5535],{"class":5472},[5191,13118,5538],{"class":5511},[5191,13120,13121],{"class":5472}," ({\n",[5191,13123,13124,13127,13129],{"class":5193,"line":5322},[5191,13125,13126],{"class":5476},"    id:",[5191,13128,6263],{"class":5476},[5191,13130,5838],{"class":5472},[5191,13132,13133,13136,13139,13141,13143,13145,13147],{"class":5193,"line":5328},[5191,13134,13135],{"class":5476},"    name:",[5191,13137,13138],{"class":5492}," `Item ",[5191,13140,5588],{"class":5511},[5191,13142,6273],{"class":5476},[5191,13144,5599],{"class":5511},[5191,13146,5585],{"class":5492},[5191,13148,5838],{"class":5472},[5191,13150,13151,13154,13157],{"class":5193,"line":5334},[5191,13152,13153],{"class":5476},"    description:",[5191,13155,13156],{"class":5492}," 'Lorem ipsum dolor sit amet...'",[5191,13158,5838],{"class":5472},[5191,13160,13161],{"class":5193,"line":5340},[5191,13162,13163],{"class":5472},"  }));\n",[5191,13165,13166],{"class":5193,"line":5345},[5191,13167,5216],{"emptyLinePlaceholder":5215},[5191,13169,13170,13172,13174,13176,13178,13180],{"class":5193,"line":5351},[5191,13171,7047],{"class":5476},[5191,13173,5549],{"class":5472},[5191,13175,7052],{"class":5525},[5191,13177,5582],{"class":5472},[5191,13179,7036],{"class":5476},[5191,13181,5633],{"class":5472},[5191,13183,13184],{"class":5193,"line":5357},[5191,13185,13186],{"class":5505},"  \u002F\u002F Без compression: ~2.5 MB\n",[5191,13188,13189],{"class":5193,"line":5363},[5191,13190,13191],{"class":5505},"  \u002F\u002F З compression: ~150 KB (зменшення на 94%)\n",[5191,13193,13194],{"class":5193,"line":5369},[5191,13195,5643],{"class":5472},[6828,13197,13198],{},"У production-середовищах часто compression виконується на рівні reverse proxy (Nginx, Cloudflare), а не у Node.js-застосунку. Це знижує навантаження на додаток. Однак для простих деплойментів без proxy compression middleware є ефективним рішенням.",[5155,13200,13202],{"id":13201},"connection-pooling-ефективна-робота-з-базами-даних","Connection Pooling: ефективна робота з базами даних",[5165,13204,13205],{},"Створення нового з'єднання з базою даних — це дорога операція (100-300 мс для PostgreSQL). Connection pool повторно використовує існуючі з'єднання.",[5160,13207,13209],{"id":13208},"postgresql-pg-pool","PostgreSQL: pg Pool",[5182,13211,13213],{"className":5459,"code":13212,"language":5461,"meta":5187,"style":5187},"import { Pool } from 'pg';\n\nconst pool = new Pool({\n  connectionString: process.env.DATABASE_URL,\n  min: 2, \u002F\u002F Мінімальна кількість з'єднань\n  max: 10, \u002F\u002F Максимальна кількість з'єднань\n  idleTimeoutMillis: 30000, \u002F\u002F Закрити idle з'єднання через 30 секунд\n  connectionTimeoutMillis: 2000, \u002F\u002F Timeout для отримання з'єднання\n});\n\n\u002F\u002F Query автоматично отримує з'єднання з пулу та повертає його назад\napp.get('\u002Fusers', async (req, res) => {\n  try {\n    const result = await pool.query('SELECT * FROM users LIMIT 100');\n    res.json(result.rows);\n  } catch (err) {\n    res.status(500).json({ error: (err as Error).message });\n  }\n});\n\n\u002F\u002F Для транзакцій отримуємо клієнта явно\napp.post('\u002Ftransfer', async (req, res) => {\n  const client = await pool.connect();\n\n  try {\n    await client.query('BEGIN');\n    await client.query('UPDATE accounts SET balance = balance - $1 WHERE id = $2', [100, 1]);\n    await client.query('UPDATE accounts SET balance = balance + $1 WHERE id = $2', [100, 2]);\n    await client.query('COMMIT');\n\n    res.json({ success: true });\n  } catch (err) {\n    await client.query('ROLLBACK');\n    res.status(500).json({ error: (err as Error).message });\n  } finally {\n    client.release(); \u002F\u002F ВАЖЛИВО: повернути з'єднання у пул\n  }\n});\n\n\u002F\u002F Graceful shutdown\nprocess.on('SIGTERM', async () => {\n  await pool.end();\n  console.log('Database pool закрито');\n});\n",[5105,13214,13215,13233,13237,13252,13270,13283,13295,13308,13321,13325,13329,13334,13365,13371,13394,13413,13425,13459,13463,13467,13471,13476,13507,13526,13530,13536,13553,13579,13604,13621,13625,13642,13654,13671,13705,13713,13728,13732,13736,13740,13745,13768,13781,13796],{"__ignoreMap":5187},[5191,13216,13217,13219,13221,13224,13226,13228,13231],{"class":5193,"line":5194},[5191,13218,5469],{"class":5468},[5191,13220,5473],{"class":5472},[5191,13222,13223],{"class":5476},"Pool",[5191,13225,5486],{"class":5472},[5191,13227,5489],{"class":5468},[5191,13229,13230],{"class":5492}," 'pg'",[5191,13232,5496],{"class":5472},[5191,13234,13235],{"class":5193,"line":5200},[5191,13236,5216],{"emptyLinePlaceholder":5215},[5191,13238,13239,13241,13243,13245,13247,13250],{"class":5193,"line":5206},[5191,13240,5512],{"class":5511},[5191,13242,9426],{"class":5515},[5191,13244,5519],{"class":5472},[5191,13246,5522],{"class":5511},[5191,13248,13249],{"class":5525}," Pool",[5191,13251,10148],{"class":5472},[5191,13253,13254,13257,13259,13261,13263,13265,13268],{"class":5193,"line":5212},[5191,13255,13256],{"class":5476},"  connectionString:",[5191,13258,9656],{"class":5476},[5191,13260,5549],{"class":5472},[5191,13262,10214],{"class":5476},[5191,13264,5549],{"class":5472},[5191,13266,13267],{"class":5515},"DATABASE_URL",[5191,13269,5838],{"class":5472},[5191,13271,13272,13275,13278,13280],{"class":5193,"line":5219},[5191,13273,13274],{"class":5476},"  min:",[5191,13276,13277],{"class":5621}," 2",[5191,13279,5480],{"class":5472},[5191,13281,13282],{"class":5505},"\u002F\u002F Мінімальна кількість з'єднань\n",[5191,13284,13285,13288,13290,13292],{"class":5193,"line":5225},[5191,13286,13287],{"class":5476},"  max:",[5191,13289,11040],{"class":5621},[5191,13291,5480],{"class":5472},[5191,13293,13294],{"class":5505},"\u002F\u002F Максимальна кількість з'єднань\n",[5191,13296,13297,13300,13303,13305],{"class":5193,"line":5231},[5191,13298,13299],{"class":5476},"  idleTimeoutMillis:",[5191,13301,13302],{"class":5621}," 30000",[5191,13304,5480],{"class":5472},[5191,13306,13307],{"class":5505},"\u002F\u002F Закрити idle з'єднання через 30 секунд\n",[5191,13309,13310,13313,13316,13318],{"class":5193,"line":5237},[5191,13311,13312],{"class":5476},"  connectionTimeoutMillis:",[5191,13314,13315],{"class":5621}," 2000",[5191,13317,5480],{"class":5472},[5191,13319,13320],{"class":5505},"\u002F\u002F Timeout для отримання з'єднання\n",[5191,13322,13323],{"class":5193,"line":5243},[5191,13324,5643],{"class":5472},[5191,13326,13327],{"class":5193,"line":5248},[5191,13328,5216],{"emptyLinePlaceholder":5215},[5191,13330,13331],{"class":5193,"line":5254},[5191,13332,13333],{"class":5505},"\u002F\u002F Query автоматично отримує з'єднання з пулу та повертає його назад\n",[5191,13335,13336,13338,13340,13342,13344,13347,13349,13351,13353,13355,13357,13359,13361,13363],{"class":5193,"line":5260},[5191,13337,6915],{"class":5476},[5191,13339,5549],{"class":5472},[5191,13341,6920],{"class":5525},[5191,13343,5582],{"class":5472},[5191,13345,13346],{"class":5492},"'\u002Fusers'",[5191,13348,5480],{"class":5472},[5191,13350,7142],{"class":5511},[5191,13352,5171],{"class":5472},[5191,13354,6931],{"class":5476},[5191,13356,5480],{"class":5472},[5191,13358,6936],{"class":5476},[5191,13360,5535],{"class":5472},[5191,13362,5538],{"class":5511},[5191,13364,5541],{"class":5472},[5191,13366,13367,13369],{"class":5193,"line":5266},[5191,13368,7185],{"class":5468},[5191,13370,5541],{"class":5472},[5191,13372,13373,13375,13377,13379,13381,13383,13385,13387,13389,13392],{"class":5193,"line":5272},[5191,13374,5899],{"class":5511},[5191,13376,5999],{"class":5515},[5191,13378,5519],{"class":5472},[5191,13380,5715],{"class":5468},[5191,13382,9426],{"class":5476},[5191,13384,5549],{"class":5472},[5191,13386,11898],{"class":5525},[5191,13388,5582],{"class":5472},[5191,13390,13391],{"class":5492},"'SELECT * FROM users LIMIT 100'",[5191,13393,5633],{"class":5472},[5191,13395,13396,13398,13400,13402,13404,13406,13408,13411],{"class":5193,"line":5278},[5191,13397,7243],{"class":5476},[5191,13399,5549],{"class":5472},[5191,13401,7052],{"class":5525},[5191,13403,5582],{"class":5472},[5191,13405,6029],{"class":5476},[5191,13407,5549],{"class":5472},[5191,13409,13410],{"class":5476},"rows",[5191,13412,5633],{"class":5472},[5191,13414,13415,13417,13419,13421,13423],{"class":5193,"line":5283},[5191,13416,7258],{"class":5472},[5191,13418,7261],{"class":5468},[5191,13420,5171],{"class":5472},[5191,13422,7266],{"class":5476},[5191,13424,6038],{"class":5472},[5191,13426,13427,13429,13431,13433,13435,13437,13439,13441,13443,13445,13447,13449,13451,13453,13455,13457],{"class":5193,"line":5288},[5191,13428,7243],{"class":5476},[5191,13430,5549],{"class":5472},[5191,13432,7277],{"class":5525},[5191,13434,5582],{"class":5472},[5191,13436,8176],{"class":5621},[5191,13438,7285],{"class":5472},[5191,13440,7052],{"class":5525},[5191,13442,5660],{"class":5472},[5191,13444,7292],{"class":5476},[5191,13446,5171],{"class":5472},[5191,13448,7266],{"class":5476},[5191,13450,8006],{"class":5468},[5191,13452,9580],{"class":5800},[5191,13454,7285],{"class":5472},[5191,13456,8192],{"class":5476},[5191,13458,5681],{"class":5472},[5191,13460,13461],{"class":5193,"line":5294},[5191,13462,6642],{"class":5472},[5191,13464,13465],{"class":5193,"line":5300},[5191,13466,5643],{"class":5472},[5191,13468,13469],{"class":5193,"line":5305},[5191,13470,5216],{"emptyLinePlaceholder":5215},[5191,13472,13473],{"class":5193,"line":5310},[5191,13474,13475],{"class":5505},"\u002F\u002F Для транзакцій отримуємо клієнта явно\n",[5191,13477,13478,13480,13482,13484,13486,13489,13491,13493,13495,13497,13499,13501,13503,13505],{"class":5193,"line":5316},[5191,13479,6915],{"class":5476},[5191,13481,5549],{"class":5472},[5191,13483,7963],{"class":5525},[5191,13485,5582],{"class":5472},[5191,13487,13488],{"class":5492},"'\u002Ftransfer'",[5191,13490,5480],{"class":5472},[5191,13492,7142],{"class":5511},[5191,13494,5171],{"class":5472},[5191,13496,6931],{"class":5476},[5191,13498,5480],{"class":5472},[5191,13500,6936],{"class":5476},[5191,13502,5535],{"class":5472},[5191,13504,5538],{"class":5511},[5191,13506,5541],{"class":5472},[5191,13508,13509,13511,13514,13516,13518,13520,13522,13524],{"class":5193,"line":5322},[5191,13510,6759],{"class":5511},[5191,13512,13513],{"class":5515}," client",[5191,13515,5519],{"class":5472},[5191,13517,5715],{"class":5468},[5191,13519,9426],{"class":5476},[5191,13521,5549],{"class":5472},[5191,13523,12061],{"class":5525},[5191,13525,6425],{"class":5472},[5191,13527,13528],{"class":5193,"line":5328},[5191,13529,5216],{"emptyLinePlaceholder":5215},[5191,13531,13532,13534],{"class":5193,"line":5334},[5191,13533,7185],{"class":5468},[5191,13535,5541],{"class":5472},[5191,13537,13538,13540,13542,13544,13546,13548,13551],{"class":5193,"line":5340},[5191,13539,9359],{"class":5468},[5191,13541,13513],{"class":5476},[5191,13543,5549],{"class":5472},[5191,13545,11898],{"class":5525},[5191,13547,5582],{"class":5472},[5191,13549,13550],{"class":5492},"'BEGIN'",[5191,13552,5633],{"class":5472},[5191,13554,13555,13557,13559,13561,13563,13565,13568,13570,13572,13574,13577],{"class":5193,"line":5345},[5191,13556,9359],{"class":5468},[5191,13558,13513],{"class":5476},[5191,13560,5549],{"class":5472},[5191,13562,11898],{"class":5525},[5191,13564,5582],{"class":5472},[5191,13566,13567],{"class":5492},"'UPDATE accounts SET balance = balance - $1 WHERE id = $2'",[5191,13569,11906],{"class":5472},[5191,13571,6473],{"class":5621},[5191,13573,5480],{"class":5472},[5191,13575,13576],{"class":5621},"1",[5191,13578,7523],{"class":5472},[5191,13580,13581,13583,13585,13587,13589,13591,13594,13596,13598,13600,13602],{"class":5193,"line":5351},[5191,13582,9359],{"class":5468},[5191,13584,13513],{"class":5476},[5191,13586,5549],{"class":5472},[5191,13588,11898],{"class":5525},[5191,13590,5582],{"class":5472},[5191,13592,13593],{"class":5492},"'UPDATE accounts SET balance = balance + $1 WHERE id = $2'",[5191,13595,11906],{"class":5472},[5191,13597,6473],{"class":5621},[5191,13599,5480],{"class":5472},[5191,13601,5622],{"class":5621},[5191,13603,7523],{"class":5472},[5191,13605,13606,13608,13610,13612,13614,13616,13619],{"class":5193,"line":5357},[5191,13607,9359],{"class":5468},[5191,13609,13513],{"class":5476},[5191,13611,5549],{"class":5472},[5191,13613,11898],{"class":5525},[5191,13615,5582],{"class":5472},[5191,13617,13618],{"class":5492},"'COMMIT'",[5191,13620,5633],{"class":5472},[5191,13622,13623],{"class":5193,"line":5363},[5191,13624,5216],{"emptyLinePlaceholder":5215},[5191,13626,13627,13629,13631,13633,13635,13638,13640],{"class":5193,"line":5369},[5191,13628,7243],{"class":5476},[5191,13630,5549],{"class":5472},[5191,13632,7052],{"class":5525},[5191,13634,5660],{"class":5472},[5191,13636,13637],{"class":5476},"success:",[5191,13639,5678],{"class":5511},[5191,13641,5681],{"class":5472},[5191,13643,13644,13646,13648,13650,13652],{"class":5193,"line":5375},[5191,13645,7258],{"class":5472},[5191,13647,7261],{"class":5468},[5191,13649,5171],{"class":5472},[5191,13651,7266],{"class":5476},[5191,13653,6038],{"class":5472},[5191,13655,13656,13658,13660,13662,13664,13666,13669],{"class":5193,"line":5380},[5191,13657,9359],{"class":5468},[5191,13659,13513],{"class":5476},[5191,13661,5549],{"class":5472},[5191,13663,11898],{"class":5525},[5191,13665,5582],{"class":5472},[5191,13667,13668],{"class":5492},"'ROLLBACK'",[5191,13670,5633],{"class":5472},[5191,13672,13673,13675,13677,13679,13681,13683,13685,13687,13689,13691,13693,13695,13697,13699,13701,13703],{"class":5193,"line":6252},[5191,13674,7243],{"class":5476},[5191,13676,5549],{"class":5472},[5191,13678,7277],{"class":5525},[5191,13680,5582],{"class":5472},[5191,13682,8176],{"class":5621},[5191,13684,7285],{"class":5472},[5191,13686,7052],{"class":5525},[5191,13688,5660],{"class":5472},[5191,13690,7292],{"class":5476},[5191,13692,5171],{"class":5472},[5191,13694,7266],{"class":5476},[5191,13696,8006],{"class":5468},[5191,13698,9580],{"class":5800},[5191,13700,7285],{"class":5472},[5191,13702,8192],{"class":5476},[5191,13704,5681],{"class":5472},[5191,13706,13707,13709,13711],{"class":5193,"line":6288},[5191,13708,7258],{"class":5472},[5191,13710,6050],{"class":5468},[5191,13712,5541],{"class":5472},[5191,13714,13715,13718,13720,13723,13725],{"class":5193,"line":6311},[5191,13716,13717],{"class":5476},"    client",[5191,13719,5549],{"class":5472},[5191,13721,13722],{"class":5525},"release",[5191,13724,8129],{"class":5472},[5191,13726,13727],{"class":5505},"\u002F\u002F ВАЖЛИВО: повернути з'єднання у пул\n",[5191,13729,13730],{"class":5193,"line":6316},[5191,13731,6642],{"class":5472},[5191,13733,13734],{"class":5193,"line":6325},[5191,13735,5643],{"class":5472},[5191,13737,13738],{"class":5193,"line":6331},[5191,13739,5216],{"emptyLinePlaceholder":5215},[5191,13741,13742],{"class":5193,"line":6337},[5191,13743,13744],{"class":5505},"\u002F\u002F Graceful shutdown\n",[5191,13746,13747,13749,13751,13753,13755,13757,13759,13761,13764,13766],{"class":5193,"line":6342},[5191,13748,9728],{"class":5476},[5191,13750,5549],{"class":5472},[5191,13752,7788],{"class":5525},[5191,13754,5582],{"class":5472},[5191,13756,9960],{"class":5492},[5191,13758,5480],{"class":5472},[5191,13760,7142],{"class":5511},[5191,13762,13763],{"class":5472}," () ",[5191,13765,5538],{"class":5511},[5191,13767,5541],{"class":5472},[5191,13769,13770,13773,13775,13777,13779],{"class":5193,"line":6347},[5191,13771,13772],{"class":5468},"  await",[5191,13774,9426],{"class":5476},[5191,13776,5549],{"class":5472},[5191,13778,7492],{"class":5525},[5191,13780,6425],{"class":5472},[5191,13782,13783,13785,13787,13789,13791,13794],{"class":5193,"line":6360},[5191,13784,7705],{"class":5476},[5191,13786,5549],{"class":5472},[5191,13788,5579],{"class":5525},[5191,13790,5582],{"class":5472},[5191,13792,13793],{"class":5492},"'Database pool закрито'",[5191,13795,5633],{"class":5472},[5191,13797,13798],{"class":5193,"line":8846},[5191,13799,5643],{"class":5472},[5436,13801,13802,13805,13806,13809,13810,13813],{},[5126,13803,13804],{},"Типова помилка:"," Забути викликати ",[5105,13807,13808],{},"client.release()"," після використання з'єднання у транзакціях. Це призводить до витоку з'єднань (",[5173,13811,13812],{},"connection leak",") — пул вичерпується, і нові запити чекають безкінечно.",[5160,13815,13817],{"id":13816},"моніторинг-пулу-зєднань","Моніторинг пулу з'єднань",[5182,13819,13821],{"className":5459,"code":13820,"language":5461,"meta":5187,"style":5187},"import { Pool } from 'pg';\n\nconst pool = new Pool({ \u002F* config *\u002F });\n\n\u002F\u002F Логування метрик пулу кожні 10 секунд\nsetInterval(() => {\n  console.log({\n    totalConnections: pool.totalCount,\n    idleConnections: pool.idleCount,\n    waitingClients: pool.waitingCount,\n  });\n}, 10000);\n\n\u002F\u002F Попередження при high watermark\npool.on('connect', () => {\n  if (pool.totalCount >= (pool.options.max || 10) * 0.8) {\n    console.warn('⚠️  Connection pool майже заповнений (80%)');\n  }\n});\n\npool.on('error', (err) => {\n  console.error('Unexpected pool error:', err);\n});\n",[5105,13822,13823,13839,13843,13862,13866,13871,13881,13891,13905,13919,13933,13937,13947,13951,13956,13976,14015,14030,14034,14038,14042,14064,14083],{"__ignoreMap":5187},[5191,13824,13825,13827,13829,13831,13833,13835,13837],{"class":5193,"line":5194},[5191,13826,5469],{"class":5468},[5191,13828,5473],{"class":5472},[5191,13830,13223],{"class":5476},[5191,13832,5486],{"class":5472},[5191,13834,5489],{"class":5468},[5191,13836,13230],{"class":5492},[5191,13838,5496],{"class":5472},[5191,13840,13841],{"class":5193,"line":5200},[5191,13842,5216],{"emptyLinePlaceholder":5215},[5191,13844,13845,13847,13849,13851,13853,13855,13857,13860],{"class":5193,"line":5206},[5191,13846,5512],{"class":5511},[5191,13848,9426],{"class":5515},[5191,13850,5519],{"class":5472},[5191,13852,5522],{"class":5511},[5191,13854,13249],{"class":5525},[5191,13856,5660],{"class":5472},[5191,13858,13859],{"class":5505},"\u002F* config *\u002F",[5191,13861,5681],{"class":5472},[5191,13863,13864],{"class":5193,"line":5212},[5191,13865,5216],{"emptyLinePlaceholder":5215},[5191,13867,13868],{"class":5193,"line":5219},[5191,13869,13870],{"class":5505},"\u002F\u002F Логування метрик пулу кожні 10 секунд\n",[5191,13872,13873,13875,13877,13879],{"class":5193,"line":5225},[5191,13874,6495],{"class":5525},[5191,13876,6053],{"class":5472},[5191,13878,5538],{"class":5511},[5191,13880,5541],{"class":5472},[5191,13882,13883,13885,13887,13889],{"class":5193,"line":5231},[5191,13884,7705],{"class":5476},[5191,13886,5549],{"class":5472},[5191,13888,5579],{"class":5525},[5191,13890,10148],{"class":5472},[5191,13892,13893,13896,13898,13900,13903],{"class":5193,"line":5237},[5191,13894,13895],{"class":5476},"    totalConnections:",[5191,13897,9426],{"class":5476},[5191,13899,5549],{"class":5472},[5191,13901,13902],{"class":5476},"totalCount",[5191,13904,5838],{"class":5472},[5191,13906,13907,13910,13912,13914,13917],{"class":5193,"line":5243},[5191,13908,13909],{"class":5476},"    idleConnections:",[5191,13911,9426],{"class":5476},[5191,13913,5549],{"class":5472},[5191,13915,13916],{"class":5476},"idleCount",[5191,13918,5838],{"class":5472},[5191,13920,13921,13924,13926,13928,13931],{"class":5193,"line":5248},[5191,13922,13923],{"class":5476},"    waitingClients:",[5191,13925,9426],{"class":5476},[5191,13927,5549],{"class":5472},[5191,13929,13930],{"class":5476},"waitingCount",[5191,13932,5838],{"class":5472},[5191,13934,13935],{"class":5193,"line":5254},[5191,13936,5638],{"class":5472},[5191,13938,13939,13942,13945],{"class":5193,"line":5260},[5191,13940,13941],{"class":5472},"}, ",[5191,13943,13944],{"class":5621},"10000",[5191,13946,5633],{"class":5472},[5191,13948,13949],{"class":5193,"line":5266},[5191,13950,5216],{"emptyLinePlaceholder":5215},[5191,13952,13953],{"class":5193,"line":5272},[5191,13954,13955],{"class":5505},"\u002F\u002F Попередження при high watermark\n",[5191,13957,13958,13961,13963,13965,13967,13970,13972,13974],{"class":5193,"line":5278},[5191,13959,13960],{"class":5476},"pool",[5191,13962,5549],{"class":5472},[5191,13964,7788],{"class":5525},[5191,13966,5582],{"class":5472},[5191,13968,13969],{"class":5492},"'connect'",[5191,13971,9963],{"class":5472},[5191,13973,5538],{"class":5511},[5191,13975,5541],{"class":5472},[5191,13977,13978,13980,13982,13984,13986,13988,13991,13993,13995,13998,14000,14003,14005,14007,14010,14013],{"class":5193,"line":5283},[5191,13979,11870],{"class":5468},[5191,13981,5171],{"class":5472},[5191,13983,13960],{"class":5476},[5191,13985,5549],{"class":5472},[5191,13987,13902],{"class":5476},[5191,13989,13990],{"class":5472}," >= (",[5191,13992,13960],{"class":5476},[5191,13994,5549],{"class":5472},[5191,13996,13997],{"class":5476},"options",[5191,13999,5549],{"class":5472},[5191,14001,14002],{"class":5476},"max",[5191,14004,5910],{"class":5472},[5191,14006,6567],{"class":5621},[5191,14008,14009],{"class":5472},") * ",[5191,14011,14012],{"class":5621},"0.8",[5191,14014,6038],{"class":5472},[5191,14016,14017,14019,14021,14023,14025,14028],{"class":5193,"line":5288},[5191,14018,5574],{"class":5476},[5191,14020,5549],{"class":5472},[5191,14022,6579],{"class":5525},[5191,14024,5582],{"class":5472},[5191,14026,14027],{"class":5492},"'⚠️  Connection pool майже заповнений (80%)'",[5191,14029,5633],{"class":5472},[5191,14031,14032],{"class":5193,"line":5294},[5191,14033,6642],{"class":5472},[5191,14035,14036],{"class":5193,"line":5300},[5191,14037,5643],{"class":5472},[5191,14039,14040],{"class":5193,"line":5305},[5191,14041,5216],{"emptyLinePlaceholder":5215},[5191,14043,14044,14046,14048,14050,14052,14054,14056,14058,14060,14062],{"class":5193,"line":5310},[5191,14045,13960],{"class":5476},[5191,14047,5549],{"class":5472},[5191,14049,7788],{"class":5525},[5191,14051,5582],{"class":5472},[5191,14053,8153],{"class":5492},[5191,14055,6928],{"class":5472},[5191,14057,7266],{"class":5476},[5191,14059,5535],{"class":5472},[5191,14061,5538],{"class":5511},[5191,14063,5541],{"class":5472},[5191,14065,14066,14068,14070,14072,14074,14077,14079,14081],{"class":5193,"line":5316},[5191,14067,7705],{"class":5476},[5191,14069,5549],{"class":5472},[5191,14071,12648],{"class":5525},[5191,14073,5582],{"class":5472},[5191,14075,14076],{"class":5492},"'Unexpected pool error:'",[5191,14078,5480],{"class":5472},[5191,14080,7266],{"class":5476},[5191,14082,5633],{"class":5472},[5191,14084,14085],{"class":5193,"line":5322},[5191,14086,5643],{"class":5472},[5155,14088,14090],{"id":14089},"структуроване-логування-та-моніторинг","Структуроване логування та моніторинг",[5160,14092,14094],{"id":14093},"проблема-consolelog-у-production","Проблема console.log у production",[5165,14096,14097,14100],{},[5105,14098,14099],{},"console.log()"," має кілька недоліків для production-застосунків:",[5390,14102,14103,14109,14115,14121],{},[5095,14104,14105,14108],{},[5126,14106,14107],{},"Відсутність рівнів:"," Немає різниці між debug, info, warn, error.",[5095,14110,14111,14114],{},[5126,14112,14113],{},"Неструктурований формат:"," Складно парсити для систем агрегації логів (ELK, Splunk).",[5095,14116,14117,14120],{},[5126,14118,14119],{},"Низька продуктивність:"," Синхронний запис у stdout може блокувати Event Loop.",[5095,14122,14123,14126],{},[5126,14124,14125],{},"Відсутність контексту:"," Немає автоматичних timestamp, request ID, user ID.",[5160,14128,14130],{"id":14129},"pino-швидкий-структурований-логер","Pino: швидкий структурований логер",[5182,14132,14134],{"className":5459,"code":14133,"language":5461,"meta":5187,"style":5187},"import pino from 'pino';\n\nconst logger = pino({\n  level: process.env.LOG_LEVEL || 'info',\n  \u002F\u002F Pretty print тільки у development\n  transport:\n    process.env.NODE_ENV === 'development'\n      ? { target: 'pino-pretty', options: { colorize: true } }\n      : undefined,\n});\n\n\u002F\u002F Базове логування\nlogger.info('Server started');\nlogger.warn('High memory usage detected');\nlogger.error('Database connection failed');\n\n\u002F\u002F Логування з контекстом\nlogger.info(\n  {\n    userId: 42,\n    action: 'purchase',\n    amount: 99.99,\n    currency: 'USD',\n  },\n  'User completed purchase'\n);\n\n\u002F\u002F Логування помилок зі stack trace\ntry {\n  throw new Error('Payment gateway timeout');\n} catch (err) {\n  logger.error({ err }, 'Payment processing failed');\n}\n\n\u002F\u002F Дочірній логер з постійним контекстом\nconst requestLogger = logger.child({ requestId: 'abc-123', userId: 42 });\nrequestLogger.info('Processing request');\nrequestLogger.info('Query executed');\n\u002F\u002F Обидва логи матимуть requestId та userId\n",[5105,14135,14136,14150,14154,14168,14191,14196,14201,14221,14247,14257,14261,14265,14270,14287,14302,14317,14321,14326,14336,14341,14351,14361,14371,14381,14385,14390,14394,14398,14403,14410,14426,14438,14459,14463,14467,14472,14505,14521,14536],{"__ignoreMap":5187},[5191,14137,14138,14140,14143,14145,14148],{"class":5193,"line":5194},[5191,14139,5469],{"class":5468},[5191,14141,14142],{"class":5476}," pino",[5191,14144,6864],{"class":5468},[5191,14146,14147],{"class":5492}," 'pino'",[5191,14149,5496],{"class":5472},[5191,14151,14152],{"class":5193,"line":5200},[5191,14153,5216],{"emptyLinePlaceholder":5215},[5191,14155,14156,14158,14161,14163,14166],{"class":5193,"line":5206},[5191,14157,5512],{"class":5511},[5191,14159,14160],{"class":5515}," logger",[5191,14162,5519],{"class":5472},[5191,14164,14165],{"class":5525},"pino",[5191,14167,10148],{"class":5472},[5191,14169,14170,14173,14175,14177,14179,14181,14184,14186,14189],{"class":5193,"line":5212},[5191,14171,14172],{"class":5476},"  level:",[5191,14174,9656],{"class":5476},[5191,14176,5549],{"class":5472},[5191,14178,10214],{"class":5476},[5191,14180,5549],{"class":5472},[5191,14182,14183],{"class":5515},"LOG_LEVEL",[5191,14185,5910],{"class":5472},[5191,14187,14188],{"class":5492},"'info'",[5191,14190,5838],{"class":5472},[5191,14192,14193],{"class":5193,"line":5219},[5191,14194,14195],{"class":5505},"  \u002F\u002F Pretty print тільки у development\n",[5191,14197,14198],{"class":5193,"line":5225},[5191,14199,14200],{"class":5476},"  transport:\n",[5191,14202,14203,14206,14208,14210,14212,14215,14218],{"class":5193,"line":5231},[5191,14204,14205],{"class":5476},"    process",[5191,14207,5549],{"class":5472},[5191,14209,10214],{"class":5476},[5191,14211,5549],{"class":5472},[5191,14213,14214],{"class":5515},"NODE_ENV",[5191,14216,14217],{"class":5472}," === ",[5191,14219,14220],{"class":5492},"'development'\n",[5191,14222,14223,14226,14229,14232,14234,14237,14239,14242,14244],{"class":5193,"line":5237},[5191,14224,14225],{"class":5472},"      ? { ",[5191,14227,14228],{"class":5476},"target:",[5191,14230,14231],{"class":5492}," 'pino-pretty'",[5191,14233,5480],{"class":5472},[5191,14235,14236],{"class":5476},"options:",[5191,14238,5473],{"class":5472},[5191,14240,14241],{"class":5476},"colorize:",[5191,14243,5678],{"class":5511},[5191,14245,14246],{"class":5472}," } }\n",[5191,14248,14249,14252,14255],{"class":5193,"line":5243},[5191,14250,14251],{"class":5472},"      : ",[5191,14253,14254],{"class":5511},"undefined",[5191,14256,5838],{"class":5472},[5191,14258,14259],{"class":5193,"line":5248},[5191,14260,5643],{"class":5472},[5191,14262,14263],{"class":5193,"line":5254},[5191,14264,5216],{"emptyLinePlaceholder":5215},[5191,14266,14267],{"class":5193,"line":5260},[5191,14268,14269],{"class":5505},"\u002F\u002F Базове логування\n",[5191,14271,14272,14275,14277,14280,14282,14285],{"class":5193,"line":5266},[5191,14273,14274],{"class":5476},"logger",[5191,14276,5549],{"class":5472},[5191,14278,14279],{"class":5525},"info",[5191,14281,5582],{"class":5472},[5191,14283,14284],{"class":5492},"'Server started'",[5191,14286,5633],{"class":5472},[5191,14288,14289,14291,14293,14295,14297,14300],{"class":5193,"line":5272},[5191,14290,14274],{"class":5476},[5191,14292,5549],{"class":5472},[5191,14294,6579],{"class":5525},[5191,14296,5582],{"class":5472},[5191,14298,14299],{"class":5492},"'High memory usage detected'",[5191,14301,5633],{"class":5472},[5191,14303,14304,14306,14308,14310,14312,14315],{"class":5193,"line":5278},[5191,14305,14274],{"class":5476},[5191,14307,5549],{"class":5472},[5191,14309,12648],{"class":5525},[5191,14311,5582],{"class":5472},[5191,14313,14314],{"class":5492},"'Database connection failed'",[5191,14316,5633],{"class":5472},[5191,14318,14319],{"class":5193,"line":5283},[5191,14320,5216],{"emptyLinePlaceholder":5215},[5191,14322,14323],{"class":5193,"line":5288},[5191,14324,14325],{"class":5505},"\u002F\u002F Логування з контекстом\n",[5191,14327,14328,14330,14332,14334],{"class":5193,"line":5294},[5191,14329,14274],{"class":5476},[5191,14331,5549],{"class":5472},[5191,14333,14279],{"class":5525},[5191,14335,6216],{"class":5472},[5191,14337,14338],{"class":5193,"line":5300},[5191,14339,14340],{"class":5472},"  {\n",[5191,14342,14343,14346,14349],{"class":5193,"line":5305},[5191,14344,14345],{"class":5476},"    userId:",[5191,14347,14348],{"class":5621}," 42",[5191,14350,5838],{"class":5472},[5191,14352,14353,14356,14359],{"class":5193,"line":5310},[5191,14354,14355],{"class":5476},"    action:",[5191,14357,14358],{"class":5492}," 'purchase'",[5191,14360,5838],{"class":5472},[5191,14362,14363,14366,14369],{"class":5193,"line":5316},[5191,14364,14365],{"class":5476},"    amount:",[5191,14367,14368],{"class":5621}," 99.99",[5191,14370,5838],{"class":5472},[5191,14372,14373,14376,14379],{"class":5193,"line":5322},[5191,14374,14375],{"class":5476},"    currency:",[5191,14377,14378],{"class":5492}," 'USD'",[5191,14380,5838],{"class":5472},[5191,14382,14383],{"class":5193,"line":5328},[5191,14384,6328],{"class":5472},[5191,14386,14387],{"class":5193,"line":5334},[5191,14388,14389],{"class":5492},"  'User completed purchase'\n",[5191,14391,14392],{"class":5193,"line":5340},[5191,14393,5633],{"class":5472},[5191,14395,14396],{"class":5193,"line":5345},[5191,14397,5216],{"emptyLinePlaceholder":5215},[5191,14399,14400],{"class":5193,"line":5351},[5191,14401,14402],{"class":5505},"\u002F\u002F Логування помилок зі stack trace\n",[5191,14404,14405,14408],{"class":5193,"line":5357},[5191,14406,14407],{"class":5468},"try",[5191,14409,5541],{"class":5472},[5191,14411,14412,14415,14417,14419,14421,14424],{"class":5193,"line":5363},[5191,14413,14414],{"class":5468},"  throw",[5191,14416,8723],{"class":5511},[5191,14418,9580],{"class":5525},[5191,14420,5582],{"class":5472},[5191,14422,14423],{"class":5492},"'Payment gateway timeout'",[5191,14425,5633],{"class":5472},[5191,14427,14428,14430,14432,14434,14436],{"class":5193,"line":5369},[5191,14429,10038],{"class":5472},[5191,14431,7261],{"class":5468},[5191,14433,5171],{"class":5472},[5191,14435,7266],{"class":5476},[5191,14437,6038],{"class":5472},[5191,14439,14440,14443,14445,14447,14449,14451,14454,14457],{"class":5193,"line":5375},[5191,14441,14442],{"class":5476},"  logger",[5191,14444,5549],{"class":5472},[5191,14446,12648],{"class":5525},[5191,14448,5660],{"class":5472},[5191,14450,7266],{"class":5476},[5191,14452,14453],{"class":5472}," }, ",[5191,14455,14456],{"class":5492},"'Payment processing failed'",[5191,14458,5633],{"class":5472},[5191,14460,14461],{"class":5193,"line":5380},[5191,14462,5240],{"class":5472},[5191,14464,14465],{"class":5193,"line":6252},[5191,14466,5216],{"emptyLinePlaceholder":5215},[5191,14468,14469],{"class":5193,"line":6288},[5191,14470,14471],{"class":5505},"\u002F\u002F Дочірній логер з постійним контекстом\n",[5191,14473,14474,14476,14479,14481,14483,14485,14488,14490,14493,14496,14498,14501,14503],{"class":5193,"line":6311},[5191,14475,5512],{"class":5511},[5191,14477,14478],{"class":5515}," requestLogger",[5191,14480,5519],{"class":5472},[5191,14482,14274],{"class":5476},[5191,14484,5549],{"class":5472},[5191,14486,14487],{"class":5525},"child",[5191,14489,5660],{"class":5472},[5191,14491,14492],{"class":5476},"requestId:",[5191,14494,14495],{"class":5492}," 'abc-123'",[5191,14497,5480],{"class":5472},[5191,14499,14500],{"class":5476},"userId:",[5191,14502,14348],{"class":5621},[5191,14504,5681],{"class":5472},[5191,14506,14507,14510,14512,14514,14516,14519],{"class":5193,"line":6316},[5191,14508,14509],{"class":5476},"requestLogger",[5191,14511,5549],{"class":5472},[5191,14513,14279],{"class":5525},[5191,14515,5582],{"class":5472},[5191,14517,14518],{"class":5492},"'Processing request'",[5191,14520,5633],{"class":5472},[5191,14522,14523,14525,14527,14529,14531,14534],{"class":5193,"line":6325},[5191,14524,14509],{"class":5476},[5191,14526,5549],{"class":5472},[5191,14528,14279],{"class":5525},[5191,14530,5582],{"class":5472},[5191,14532,14533],{"class":5492},"'Query executed'",[5191,14535,5633],{"class":5472},[5191,14537,14538],{"class":5193,"line":6331},[5191,14539,14540],{"class":5505},"\u002F\u002F Обидва логи матимуть requestId та userId\n",[5165,14542,14543],{},[5126,14544,14545],{},"JSON вивід у production:",[5182,14547,14550],{"className":14548,"code":14549,"language":7052,"meta":5187,"style":5187},"language-json shiki shiki-themes light-plus dark-plus dark-plus","{\n  \"level\": 30,\n  \"time\": 1709380800000,\n  \"pid\": 12345,\n  \"hostname\": \"server-01\",\n  \"userId\": 42,\n  \"action\": \"purchase\",\n  \"amount\": 99.99,\n  \"currency\": \"USD\",\n  \"msg\": \"User completed purchase\"\n}\n",[5105,14551,14552,14557,14570,14582,14594,14606,14618,14630,14642,14654,14664],{"__ignoreMap":5187},[5191,14553,14554],{"class":5193,"line":5194},[5191,14555,14556],{"class":5472},"{\n",[5191,14558,14559,14563,14565,14568],{"class":5193,"line":5200},[5191,14560,14562],{"class":14561},"sLwNe","  \"level\"",[5191,14564,5602],{"class":5472},[5191,14566,14567],{"class":5621},"30",[5191,14569,5838],{"class":5472},[5191,14571,14572,14575,14577,14580],{"class":5193,"line":5206},[5191,14573,14574],{"class":14561},"  \"time\"",[5191,14576,5602],{"class":5472},[5191,14578,14579],{"class":5621},"1709380800000",[5191,14581,5838],{"class":5472},[5191,14583,14584,14587,14589,14592],{"class":5193,"line":5212},[5191,14585,14586],{"class":14561},"  \"pid\"",[5191,14588,5602],{"class":5472},[5191,14590,14591],{"class":5621},"12345",[5191,14593,5838],{"class":5472},[5191,14595,14596,14599,14601,14604],{"class":5193,"line":5219},[5191,14597,14598],{"class":14561},"  \"hostname\"",[5191,14600,5602],{"class":5472},[5191,14602,14603],{"class":5492},"\"server-01\"",[5191,14605,5838],{"class":5472},[5191,14607,14608,14611,14613,14616],{"class":5193,"line":5225},[5191,14609,14610],{"class":14561},"  \"userId\"",[5191,14612,5602],{"class":5472},[5191,14614,14615],{"class":5621},"42",[5191,14617,5838],{"class":5472},[5191,14619,14620,14623,14625,14628],{"class":5193,"line":5231},[5191,14621,14622],{"class":14561},"  \"action\"",[5191,14624,5602],{"class":5472},[5191,14626,14627],{"class":5492},"\"purchase\"",[5191,14629,5838],{"class":5472},[5191,14631,14632,14635,14637,14640],{"class":5193,"line":5237},[5191,14633,14634],{"class":14561},"  \"amount\"",[5191,14636,5602],{"class":5472},[5191,14638,14639],{"class":5621},"99.99",[5191,14641,5838],{"class":5472},[5191,14643,14644,14647,14649,14652],{"class":5193,"line":5243},[5191,14645,14646],{"class":14561},"  \"currency\"",[5191,14648,5602],{"class":5472},[5191,14650,14651],{"class":5492},"\"USD\"",[5191,14653,5838],{"class":5472},[5191,14655,14656,14659,14661],{"class":5193,"line":5248},[5191,14657,14658],{"class":14561},"  \"msg\"",[5191,14660,5602],{"class":5472},[5191,14662,14663],{"class":5492},"\"User completed purchase\"\n",[5191,14665,14666],{"class":5193,"line":5254},[5191,14667,5240],{"class":5472},[5160,14669,14671],{"id":14670},"express-middleware-для-логування-запитів","Express middleware для логування запитів",[5182,14673,14675],{"className":5459,"code":14674,"language":5461,"meta":5187,"style":5187},"import pino from 'pino';\nimport pinoHttp from 'pino-http';\nimport express from 'express';\n\nconst logger = pino();\nconst app = express();\n\n\u002F\u002F Middleware для логування всіх HTTP-запитів\napp.use(\n  pinoHttp({\n    logger,\n    autoLogging: true,\n    customLogLevel: (req, res, err) => {\n      if (res.statusCode >= 500 || err) return 'error';\n      if (res.statusCode >= 400) return 'warn';\n      return 'info';\n    },\n    customSuccessMessage: (req, res) => {\n      return `${req.method} ${req.url} completed with ${res.statusCode}`;\n    },\n  })\n);\n\napp.get('\u002Fapi\u002Fusers', (req, res) => {\n  \u002F\u002F req.log — це дочірній логер з request ID\n  req.log.info({ query: req.query }, 'Fetching users');\n\n  const users = [{ id: 1, name: 'Alice' }];\n  res.json(users);\n});\n\napp.listen(3000);\n",[5105,14676,14677,14689,14703,14715,14719,14731,14743,14747,14752,14762,14769,14776,14785,14810,14841,14867,14876,14880,14901,14948,14952,14956,14960,14964,14991,14996,15027,15031,15058,15073,15077,15081],{"__ignoreMap":5187},[5191,14678,14679,14681,14683,14685,14687],{"class":5193,"line":5194},[5191,14680,5469],{"class":5468},[5191,14682,14142],{"class":5476},[5191,14684,6864],{"class":5468},[5191,14686,14147],{"class":5492},[5191,14688,5496],{"class":5472},[5191,14690,14691,14693,14696,14698,14701],{"class":5193,"line":5200},[5191,14692,5469],{"class":5468},[5191,14694,14695],{"class":5476}," pinoHttp",[5191,14697,6864],{"class":5468},[5191,14699,14700],{"class":5492}," 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Middleware для логування всіх HTTP-запитів\n",[5191,14753,14754,14756,14758,14760],{"class":5193,"line":5243},[5191,14755,6915],{"class":5476},[5191,14757,5549],{"class":5472},[5191,14759,12926],{"class":5525},[5191,14761,6216],{"class":5472},[5191,14763,14764,14767],{"class":5193,"line":5248},[5191,14765,14766],{"class":5525},"  pinoHttp",[5191,14768,10148],{"class":5472},[5191,14770,14771,14774],{"class":5193,"line":5254},[5191,14772,14773],{"class":5476},"    logger",[5191,14775,5838],{"class":5472},[5191,14777,14778,14781,14783],{"class":5193,"line":5260},[5191,14779,14780],{"class":5476},"    autoLogging:",[5191,14782,5678],{"class":5511},[5191,14784,5838],{"class":5472},[5191,14786,14787,14790,14792,14794,14796,14798,14800,14802,14804,14806,14808],{"class":5193,"line":5266},[5191,14788,14789],{"class":5525},"    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customSuccessMessage",[5191,14886,7316],{"class":5476},[5191,14888,5171],{"class":5472},[5191,14890,6931],{"class":5476},[5191,14892,5480],{"class":5472},[5191,14894,6936],{"class":5476},[5191,14896,5535],{"class":5472},[5191,14898,5538],{"class":5511},[5191,14900,5541],{"class":5472},[5191,14902,14903,14905,14908,14910,14912,14914,14917,14919,14922,14924,14926,14929,14931,14934,14936,14938,14940,14942,14944,14946],{"class":5193,"line":5300},[5191,14904,6043],{"class":5468},[5191,14906,14907],{"class":5492}," `",[5191,14909,5588],{"class":5511},[5191,14911,6931],{"class":5476},[5191,14913,5549],{"class":5593},[5191,14915,14916],{"class":5476},"method",[5191,14918,5599],{"class":5511},[5191,14920,14921],{"class":5511}," ${",[5191,14923,6931],{"class":5476},[5191,14925,5549],{"class":5593},[5191,14927,14928],{"class":5476},"url",[5191,14930,5599],{"class":5511},[5191,14932,14933],{"class":5492}," completed with ",[5191,14935,5588],{"class":5511},[5191,14937,6936],{"class":5476},[5191,14939,5549],{"class":5593},[5191,14941,14822],{"class":5476},[5191,14943,5599],{"class":5511},[5191,14945,5585],{"class":5492},[5191,14947,5496],{"class":5472},[5191,14949,14950],{"class":5193,"line":5305},[5191,14951,11057],{"class":5472},[5191,14953,14954],{"class":5193,"line":5310},[5191,14955,13050],{"class":5472},[5191,14957,14958],{"class":5193,"line":5316},[5191,14959,5633],{"class":5472},[5191,14961,14962],{"class":5193,"line":5322},[5191,14963,5216],{"emptyLinePlaceholder":5215},[5191,14965,14966,14968,14970,14972,14974,14977,14979,14981,14983,14985,14987,14989],{"class":5193,"line":5328},[5191,14967,6915],{"class":5476},[5191,14969,5549],{"class":5472},[5191,14971,6920],{"class":5525},[5191,14973,5582],{"class":5472},[5191,14975,14976],{"class":5492},"'\u002Fapi\u002Fusers'",[5191,14978,6928],{"class":5472},[5191,14980,6931],{"class":5476},[5191,14982,5480],{"class":5472},[5191,14984,6936],{"class":5476},[5191,14986,5535],{"class":5472},[5191,14988,5538],{"class":5511},[5191,14990,5541],{"class":5472},[5191,14992,14993],{"class":5193,"line":5334},[5191,14994,14995],{"class":5505},"  \u002F\u002F req.log — це дочірній логер з request ID\n",[5191,14997,14998,15001,15003,15005,15007,15009,15011,15014,15016,15018,15020,15022,15025],{"class":5193,"line":5340},[5191,14999,15000],{"class":5476},"  req",[5191,15002,5549],{"class":5472},[5191,15004,5579],{"class":5476},[5191,15006,5549],{"class":5472},[5191,15008,14279],{"class":5525},[5191,15010,5660],{"class":5472},[5191,15012,15013],{"class":5476},"query:",[5191,15015,9512],{"class":5476},[5191,15017,5549],{"class":5472},[5191,15019,11898],{"class":5476},[5191,15021,14453],{"class":5472},[5191,15023,15024],{"class":5492},"'Fetching users'",[5191,15026,5633],{"class":5472},[5191,15028,15029],{"class":5193,"line":5345},[5191,15030,5216],{"emptyLinePlaceholder":5215},[5191,15032,15033,15035,15038,15041,15044,15047,15049,15052,15055],{"class":5193,"line":5351},[5191,15034,6759],{"class":5511},[5191,15036,15037],{"class":5515}," users",[5191,15039,15040],{"class":5472}," = [{ ",[5191,15042,15043],{"class":5476},"id:",[5191,15045,15046],{"class":5621}," 1",[5191,15048,5480],{"class":5472},[5191,15050,15051],{"class":5476},"name:",[5191,15053,15054],{"class":5492}," 'Alice'",[5191,15056,15057],{"class":5472}," }];\n",[5191,15059,15060,15062,15064,15066,15068,15071],{"class":5193,"line":5357},[5191,15061,7047],{"class":5476},[5191,15063,5549],{"class":5472},[5191,15065,7052],{"class":5525},[5191,15067,5582],{"class":5472},[5191,15069,15070],{"class":5476},"users",[5191,15072,5633],{"class":5472},[5191,15074,15075],{"class":5193,"line":5363},[5191,15076,5643],{"class":5472},[5191,15078,15079],{"class":5193,"line":5369},[5191,15080,5216],{"emptyLinePlaceholder":5215},[5191,15082,15083,15085,15087,15089,15091,15093],{"class":5193,"line":5375},[5191,15084,6915],{"class":5476},[5191,15086,5549],{"class":5472},[5191,15088,7076],{"class":5525},[5191,15090,5582],{"class":5472},[5191,15092,7081],{"class":5621},[5191,15094,5633],{"class":5472},[10288,15096,15098,15114,15122,15125,15139,15146,15153,15156,15169],{":cursor":10290,"title":15097},"Вивід структурованих логів",[10293,15099,15101,10301,15105,15109,15110],{"className":15100},[5193],[5191,15102,15104],{"className":15103},[10315],"[2026-09-02 15:30:00]",[5191,15106,15108],{"className":15107},[10324,10305],"INFO"," (12345 on server-01): ",[5191,15111,15113],{"className":15112},[10402],"Server started",[10293,15115,15117,15118],{"className":15116},[5193],"  ",[5191,15119,15121],{"className":15120},[10402],"port: 3000",[10293,15123],{"className":15124},[5193],[10293,15126,15128,10301,15132,15109,15135],{"className":15127},[5193],[5191,15129,15131],{"className":15130},[10315],"[2026-09-02 15:30:05]",[5191,15133,15108],{"className":15134},[10324,10305],[5191,15136,15138],{"className":15137},[10402],"Fetching users",[10293,15140,15117,15142],{"className":15141},[5193],[5191,15143,15145],{"className":15144},[10402],"req: { id: \"req-1\", method: \"GET\", url: \"\u002Fapi\u002Fusers\" }",[10293,15147,15117,15149],{"className":15148},[5193],[5191,15150,15152],{"className":15151},[10402],"query: { limit: 10 }",[10293,15154],{"className":15155},[5193],[10293,15157,15159,10301,15162,15109,15165],{"className":15158},[5193],[5191,15160,15131],{"className":15161},[10315],[5191,15163,15108],{"className":15164},[10324,10305],[5191,15166,15168],{"className":15167},[10402],"GET \u002Fapi\u002Fusers completed with 200",[10293,15170,15117,15172],{"className":15171},[5193],[5191,15173,15175],{"className":15174},[10402],"responseTime: 23ms",[7735,15177,15178],{},"Для централізованого збору логів у production використовуйте інтеграції з ELK Stack (Elasticsearch, Logstash, Kibana), Datadog, Grafana Loki або AWS CloudWatch. Вони дозволяють шукати, фільтрувати та візуалізувати логи з усіх серверів в одному місці.",[5155,15180,15182],{"id":15181},"health-checks-та-graceful-shutdown","Health Checks та Graceful Shutdown",[5160,15184,15186],{"id":15185},"health-check-endpoint","Health Check endpoint",[5165,15188,15189],{},"Health check — це endpoint, який перевіряє стан застосунку та його залежностей (база даних, Redis, зовнішні API):",[5182,15191,15193],{"className":5459,"code":15192,"language":5461,"meta":5187,"style":5187},"import express from 'express';\nimport { Pool } from 'pg';\nimport { createClient } from 'redis';\n\nconst app = express();\nconst db = new Pool({ connectionString: process.env.DATABASE_URL });\nconst redis = createClient({ url: process.env.REDIS_URL });\n\ninterface HealthStatus {\n  status: 'healthy' | 'unhealthy';\n  uptime: number;\n  timestamp: string;\n  services: {\n    database: 'up' | 'down';\n    redis: 'up' | 'down';\n  };\n}\n\napp.get('\u002Fhealth', async (req, res) => {\n  const health: HealthStatus = {\n    status: 'healthy',\n    uptime: process.uptime(),\n    timestamp: new Date().toISOString(),\n    services: {\n      database: 'down',\n      redis: 'down',\n    },\n  };\n\n  \u002F\u002F Перевірка бази даних\n  try {\n    await db.query('SELECT 1');\n    health.services.database = 'up';\n  } catch (err) {\n    health.status = 'unhealthy';\n  }\n\n  \u002F\u002F Перевірка Redis\n  try {\n    await redis.ping();\n    health.services.redis = 'up';\n  } catch (err) {\n    health.status = 'unhealthy';\n  }\n\n  const statusCode = health.status === 'healthy' ? 200 : 503;\n  res.status(statusCode).json(health);\n});\n\napp.get('\u002Fready', (req, res) => {\n  \u002F\u002F Readiness probe для Kubernetes\n  \u002F\u002F Повертає 200 тільки коли застосунок готовий приймати трафік\n  res.status(200).send('OK');\n});\n\napp.get('\u002Flive', (req, res) => {\n  \u002F\u002F Liveness probe для Kubernetes\n  \u002F\u002F Повертає 200 якщо процес живий (навіть якщо БД недоступна)\n  res.status(200).send('OK');\n});\n",[5105,15194,15195,15207,15223,15239,15243,15255,15284,15310,15314,15324,15341,15352,15363,15371,15388,15403,15407,15411,15415,15446,15460,15470,15483,15500,15507,15517,15526,15530,15534,15538,15543,15549,15566,15587,15599,15613,15617,15621,15626,15632,15645,15664,15676,15690,15694,15698,15732,15754,15758,15762,15789,15794,15799,15823,15827,15831,15858,15863,15868,15890],{"__ignoreMap":5187},[5191,15196,15197,15199,15201,15203,15205],{"class":5193,"line":5194},[5191,15198,5469],{"class":5468},[5191,15200,6861],{"class":5476},[5191,15202,6864],{"class":5468},[5191,15204,6867],{"class":5492},[5191,15206,5496],{"class":5472},[5191,15208,15209,15211,15213,15215,15217,15219,15221],{"class":5193,"line":5200},[5191,15210,5469],{"class":5468},[5191,15212,5473],{"class":5472},[5191,15214,13223],{"class":5476},[5191,15216,5486],{"class":5472},[5191,15218,5489],{"class":5468},[5191,15220,13230],{"class":5492},[5191,15222,5496],{"class":5472},[5191,15224,15225,15227,15229,15231,15233,15235,15237],{"class":5193,"line":5206},[5191,15226,5469],{"class":5468},[5191,15228,5473],{"class":5472},[5191,15230,12008],{"class":5476},[5191,15232,5486],{"class":5472},[5191,15234,5489],{"class":5468},[5191,15236,12015],{"class":5492},[5191,15238,5496],{"class":5472},[5191,15240,15241],{"class":5193,"line":5212},[5191,15242,5216],{"emptyLinePlaceholder":5215},[5191,15244,15245,15247,15249,15251,15253],{"class":5193,"line":5219},[5191,15246,5512],{"class":5511},[5191,15248,6894],{"class":5515},[5191,15250,5519],{"class":5472},[5191,15252,6899],{"class":5525},[5191,15254,6425],{"class":5472},[5191,15256,15257,15259,15261,15263,15265,15267,15269,15272,15274,15276,15278,15280,15282],{"class":5193,"line":5225},[5191,15258,5512],{"class":5511},[5191,15260,11893],{"class":5515},[5191,15262,5519],{"class":5472},[5191,15264,5522],{"class":5511},[5191,15266,13249],{"class":5525},[5191,15268,5660],{"class":5472},[5191,15270,15271],{"class":5476},"connectionString:",[5191,15273,9656],{"class":5476},[5191,15275,5549],{"class":5472},[5191,15277,10214],{"class":5476},[5191,15279,5549],{"class":5472},[5191,15281,13267],{"class":5515},[5191,15283,5681],{"class":5472},[5191,15285,15286,15288,15290,15292,15294,15296,15298,15300,15302,15304,15306,15308],{"class":5193,"line":5231},[5191,15287,5512],{"class":5511},[5191,15289,12028],{"class":5515},[5191,15291,5519],{"class":5472},[5191,15293,12008],{"class":5525},[5191,15295,5660],{"class":5472},[5191,15297,12037],{"class":5476},[5191,15299,9656],{"class":5476},[5191,15301,5549],{"class":5472},[5191,15303,10214],{"class":5476},[5191,15305,5549],{"class":5472},[5191,15307,12048],{"class":5515},[5191,15309,5681],{"class":5472},[5191,15311,15312],{"class":5193,"line":5237},[5191,15313,5216],{"emptyLinePlaceholder":5215},[5191,15315,15316,15319,15322],{"class":5193,"line":5243},[5191,15317,15318],{"class":5511},"interface",[5191,15320,15321],{"class":5800}," HealthStatus",[5191,15323,5541],{"class":5472},[5191,15325,15326,15329,15331,15334,15336,15339],{"class":5193,"line":5248},[5191,15327,15328],{"class":5476},"  status",[5191,15330,5602],{"class":5472},[5191,15332,15333],{"class":5492},"'healthy'",[5191,15335,6445],{"class":5472},[5191,15337,15338],{"class":5492},"'unhealthy'",[5191,15340,5496],{"class":5472},[5191,15342,15343,15346,15348,15350],{"class":5193,"line":5254},[5191,15344,15345],{"class":5476},"  uptime",[5191,15347,5602],{"class":5472},[5191,15349,6229],{"class":5800},[5191,15351,5496],{"class":5472},[5191,15353,15354,15357,15359,15361],{"class":5193,"line":5260},[5191,15355,15356],{"class":5476},"  timestamp",[5191,15358,5602],{"class":5472},[5191,15360,8429],{"class":5800},[5191,15362,5496],{"class":5472},[5191,15364,15365,15368],{"class":5193,"line":5266},[5191,15366,15367],{"class":5476},"  services",[5191,15369,15370],{"class":5472},": {\n",[5191,15372,15373,15376,15378,15381,15383,15386],{"class":5193,"line":5272},[5191,15374,15375],{"class":5476},"    database",[5191,15377,5602],{"class":5472},[5191,15379,15380],{"class":5492},"'up'",[5191,15382,6445],{"class":5472},[5191,15384,15385],{"class":5492},"'down'",[5191,15387,5496],{"class":5472},[5191,15389,15390,15393,15395,15397,15399,15401],{"class":5193,"line":5278},[5191,15391,15392],{"class":5476},"    redis",[5191,15394,5602],{"class":5472},[5191,15396,15380],{"class":5492},[5191,15398,6445],{"class":5472},[5191,15400,15385],{"class":5492},[5191,15402,5496],{"class":5472},[5191,15404,15405],{"class":5193,"line":5283},[5191,15406,12747],{"class":5472},[5191,15408,15409],{"class":5193,"line":5288},[5191,15410,5240],{"class":5472},[5191,15412,15413],{"class":5193,"line":5294},[5191,15414,5216],{"emptyLinePlaceholder":5215},[5191,15416,15417,15419,15421,15423,15425,15428,15430,15432,15434,15436,15438,15440,15442,15444],{"class":5193,"line":5300},[5191,15418,6915],{"class":5476},[5191,15420,5549],{"class":5472},[5191,15422,6920],{"class":5525},[5191,15424,5582],{"class":5472},[5191,15426,15427],{"class":5492},"'\u002Fhealth'",[5191,15429,5480],{"class":5472},[5191,15431,7142],{"class":5511},[5191,15433,5171],{"class":5472},[5191,15435,6931],{"class":5476},[5191,15437,5480],{"class":5472},[5191,15439,6936],{"class":5476},[5191,15441,5535],{"class":5472},[5191,15443,5538],{"class":5511},[5191,15445,5541],{"class":5472},[5191,15447,15448,15450,15453,15455,15458],{"class":5193,"line":5305},[5191,15449,6759],{"class":5511},[5191,15451,15452],{"class":5515}," health",[5191,15454,5602],{"class":5472},[5191,15456,15457],{"class":5800},"HealthStatus",[5191,15459,10850],{"class":5472},[5191,15461,15462,15465,15468],{"class":5193,"line":5310},[5191,15463,15464],{"class":5476},"    status:",[5191,15466,15467],{"class":5492}," 'healthy'",[5191,15469,5838],{"class":5472},[5191,15471,15472,15475,15477,15479,15481],{"class":5193,"line":5316},[5191,15473,15474],{"class":5476},"    uptime:",[5191,15476,9656],{"class":5476},[5191,15478,5549],{"class":5472},[5191,15480,10183],{"class":5525},[5191,15482,10186],{"class":5472},[5191,15484,15485,15488,15490,15493,15495,15498],{"class":5193,"line":5322},[5191,15486,15487],{"class":5476},"    timestamp:",[5191,15489,8723],{"class":5511},[5191,15491,15492],{"class":5525}," Date",[5191,15494,5555],{"class":5472},[5191,15496,15497],{"class":5525},"toISOString",[5191,15499,10186],{"class":5472},[5191,15501,15502,15505],{"class":5193,"line":5328},[5191,15503,15504],{"class":5476},"    services:",[5191,15506,5541],{"class":5472},[5191,15508,15509,15512,15515],{"class":5193,"line":5334},[5191,15510,15511],{"class":5476},"      database:",[5191,15513,15514],{"class":5492}," 'down'",[5191,15516,5838],{"class":5472},[5191,15518,15519,15522,15524],{"class":5193,"line":5340},[5191,15520,15521],{"class":5476},"      redis:",[5191,15523,15514],{"class":5492},[5191,15525,5838],{"class":5472},[5191,15527,15528],{"class":5193,"line":5345},[5191,15529,11057],{"class":5472},[5191,15531,15532],{"class":5193,"line":5351},[5191,15533,12747],{"class":5472},[5191,15535,15536],{"class":5193,"line":5357},[5191,15537,5216],{"emptyLinePlaceholder":5215},[5191,15539,15540],{"class":5193,"line":5363},[5191,15541,15542],{"class":5505},"  \u002F\u002F Перевірка бази даних\n",[5191,15544,15545,15547],{"class":5193,"line":5369},[5191,15546,7185],{"class":5468},[5191,15548,5541],{"class":5472},[5191,15550,15551,15553,15555,15557,15559,15561,15564],{"class":5193,"line":5375},[5191,15552,9359],{"class":5468},[5191,15554,11893],{"class":5476},[5191,15556,5549],{"class":5472},[5191,15558,11898],{"class":5525},[5191,15560,5582],{"class":5472},[5191,15562,15563],{"class":5492},"'SELECT 1'",[5191,15565,5633],{"class":5472},[5191,15567,15568,15571,15573,15576,15578,15581,15583,15585],{"class":5193,"line":5380},[5191,15569,15570],{"class":5476},"    health",[5191,15572,5549],{"class":5472},[5191,15574,15575],{"class":5476},"services",[5191,15577,5549],{"class":5472},[5191,15579,15580],{"class":5476},"database",[5191,15582,5519],{"class":5472},[5191,15584,15380],{"class":5492},[5191,15586,5496],{"class":5472},[5191,15588,15589,15591,15593,15595,15597],{"class":5193,"line":6252},[5191,15590,7258],{"class":5472},[5191,15592,7261],{"class":5468},[5191,15594,5171],{"class":5472},[5191,15596,7266],{"class":5476},[5191,15598,6038],{"class":5472},[5191,15600,15601,15603,15605,15607,15609,15611],{"class":5193,"line":6288},[5191,15602,15570],{"class":5476},[5191,15604,5549],{"class":5472},[5191,15606,7277],{"class":5476},[5191,15608,5519],{"class":5472},[5191,15610,15338],{"class":5492},[5191,15612,5496],{"class":5472},[5191,15614,15615],{"class":5193,"line":6311},[5191,15616,6642],{"class":5472},[5191,15618,15619],{"class":5193,"line":6316},[5191,15620,5216],{"emptyLinePlaceholder":5215},[5191,15622,15623],{"class":5193,"line":6325},[5191,15624,15625],{"class":5505},"  \u002F\u002F Перевірка Redis\n",[5191,15627,15628,15630],{"class":5193,"line":6331},[5191,15629,7185],{"class":5468},[5191,15631,5541],{"class":5472},[5191,15633,15634,15636,15638,15640,15643],{"class":5193,"line":6337},[5191,15635,9359],{"class":5468},[5191,15637,12028],{"class":5476},[5191,15639,5549],{"class":5472},[5191,15641,15642],{"class":5525},"ping",[5191,15644,6425],{"class":5472},[5191,15646,15647,15649,15651,15653,15655,15658,15660,15662],{"class":5193,"line":6342},[5191,15648,15570],{"class":5476},[5191,15650,5549],{"class":5472},[5191,15652,15575],{"class":5476},[5191,15654,5549],{"class":5472},[5191,15656,15657],{"class":5476},"redis",[5191,15659,5519],{"class":5472},[5191,15661,15380],{"class":5492},[5191,15663,5496],{"class":5472},[5191,15665,15666,15668,15670,15672,15674],{"class":5193,"line":6347},[5191,15667,7258],{"class":5472},[5191,15669,7261],{"class":5468},[5191,15671,5171],{"class":5472},[5191,15673,7266],{"class":5476},[5191,15675,6038],{"class":5472},[5191,15677,15678,15680,15682,15684,15686,15688],{"class":5193,"line":6360},[5191,15679,15570],{"class":5476},[5191,15681,5549],{"class":5472},[5191,15683,7277],{"class":5476},[5191,15685,5519],{"class":5472},[5191,15687,15338],{"class":5492},[5191,15689,5496],{"class":5472},[5191,15691,15692],{"class":5193,"line":8846},[5191,15693,6642],{"class":5472},[5191,15695,15696],{"class":5193,"line":8851},[5191,15697,5216],{"emptyLinePlaceholder":5215},[5191,15699,15700,15702,15705,15707,15710,15712,15714,15716,15718,15721,15724,15727,15730],{"class":5193,"line":8856},[5191,15701,6759],{"class":5511},[5191,15703,15704],{"class":5515}," statusCode",[5191,15706,5519],{"class":5472},[5191,15708,15709],{"class":5476},"health",[5191,15711,5549],{"class":5472},[5191,15713,7277],{"class":5476},[5191,15715,14217],{"class":5472},[5191,15717,15333],{"class":5492},[5191,15719,15720],{"class":5472}," ? ",[5191,15722,15723],{"class":5621},"200",[5191,15725,15726],{"class":5472}," : ",[5191,15728,15729],{"class":5621},"503",[5191,15731,5496],{"class":5472},[5191,15733,15734,15736,15738,15740,15742,15744,15746,15748,15750,15752],{"class":5193,"line":8899},[5191,15735,7047],{"class":5476},[5191,15737,5549],{"class":5472},[5191,15739,7277],{"class":5525},[5191,15741,5582],{"class":5472},[5191,15743,14822],{"class":5476},[5191,15745,7285],{"class":5472},[5191,15747,7052],{"class":5525},[5191,15749,5582],{"class":5472},[5191,15751,15709],{"class":5476},[5191,15753,5633],{"class":5472},[5191,15755,15756],{"class":5193,"line":8922},[5191,15757,5643],{"class":5472},[5191,15759,15760],{"class":5193,"line":8927},[5191,15761,5216],{"emptyLinePlaceholder":5215},[5191,15763,15764,15766,15768,15770,15772,15775,15777,15779,15781,15783,15785,15787],{"class":5193,"line":8950},[5191,15765,6915],{"class":5476},[5191,15767,5549],{"class":5472},[5191,15769,6920],{"class":5525},[5191,15771,5582],{"class":5472},[5191,15773,15774],{"class":5492},"'\u002Fready'",[5191,15776,6928],{"class":5472},[5191,15778,6931],{"class":5476},[5191,15780,5480],{"class":5472},[5191,15782,6936],{"class":5476},[5191,15784,5535],{"class":5472},[5191,15786,5538],{"class":5511},[5191,15788,5541],{"class":5472},[5191,15790,15791],{"class":5193,"line":8966},[5191,15792,15793],{"class":5505},"  \u002F\u002F Readiness probe для Kubernetes\n",[5191,15795,15796],{"class":5193,"line":8985},[5191,15797,15798],{"class":5505},"  \u002F\u002F Повертає 200 тільки коли застосунок готовий приймати трафік\n",[5191,15800,15801,15803,15805,15807,15809,15811,15813,15816,15818,15821],{"class":5193,"line":8997},[5191,15802,7047],{"class":5476},[5191,15804,5549],{"class":5472},[5191,15806,7277],{"class":5525},[5191,15808,5582],{"class":5472},[5191,15810,15723],{"class":5621},[5191,15812,7285],{"class":5472},[5191,15814,15815],{"class":5525},"send",[5191,15817,5582],{"class":5472},[5191,15819,15820],{"class":5492},"'OK'",[5191,15822,5633],{"class":5472},[5191,15824,15825],{"class":5193,"line":9018},[5191,15826,5643],{"class":5472},[5191,15828,15829],{"class":5193,"line":9038},[5191,15830,5216],{"emptyLinePlaceholder":5215},[5191,15832,15833,15835,15837,15839,15841,15844,15846,15848,15850,15852,15854,15856],{"class":5193,"line":9044},[5191,15834,6915],{"class":5476},[5191,15836,5549],{"class":5472},[5191,15838,6920],{"class":5525},[5191,15840,5582],{"class":5472},[5191,15842,15843],{"class":5492},"'\u002Flive'",[5191,15845,6928],{"class":5472},[5191,15847,6931],{"class":5476},[5191,15849,5480],{"class":5472},[5191,15851,6936],{"class":5476},[5191,15853,5535],{"class":5472},[5191,15855,5538],{"class":5511},[5191,15857,5541],{"class":5472},[5191,15859,15860],{"class":5193,"line":9049},[5191,15861,15862],{"class":5505},"  \u002F\u002F Liveness probe для Kubernetes\n",[5191,15864,15865],{"class":5193,"line":9071},[5191,15866,15867],{"class":5505},"  \u002F\u002F Повертає 200 якщо процес живий (навіть якщо БД недоступна)\n",[5191,15869,15870,15872,15874,15876,15878,15880,15882,15884,15886,15888],{"class":5193,"line":9086},[5191,15871,7047],{"class":5476},[5191,15873,5549],{"class":5472},[5191,15875,7277],{"class":5525},[5191,15877,5582],{"class":5472},[5191,15879,15723],{"class":5621},[5191,15881,7285],{"class":5472},[5191,15883,15815],{"class":5525},[5191,15885,5582],{"class":5472},[5191,15887,15820],{"class":5492},[5191,15889,5633],{"class":5472},[5191,15891,15892],{"class":5193,"line":9105},[5191,15893,5643],{"class":5472},[5160,15895,15897],{"id":15896},"graceful-shutdown-коректне-завершення","Graceful Shutdown: коректне завершення",[5165,15899,15900],{},"Коли сервер отримує сигнал завершення (SIGTERM, SIGINT), потрібно коректно закрити всі з'єднання перед виходом:",[5182,15902,15904],{"className":5459,"code":15903,"language":5461,"meta":5187,"style":5187},"import express from 'express';\nimport { Server } from 'node:http';\nimport { Pool } from 'pg';\n\nconst app = express();\nconst db = new Pool({ \u002F* config *\u002F });\nlet server: Server;\n\n\u002F\u002F Запуск сервера\nfunction startServer(): void {\n  server = app.listen(3000, () => {\n    console.log('Server running on port 3000');\n  });\n}\n\n\u002F\u002F Graceful shutdown\nasync function shutdown(signal: string): Promise\u003Cvoid> {\n  console.log(`\\n${signal} received. Starting graceful shutdown...`);\n\n  \u002F\u002F 1. Зупинити прийом нових з'єднань\n  server.close((err) => {\n    if (err) {\n      console.error('Error closing server:', err);\n      process.exit(1);\n    }\n    console.log('✓ HTTP server closed');\n  });\n\n  \u002F\u002F 2. Дати час існуючим запитам завершитися (до 30 секунд)\n  const shutdownTimeout = setTimeout(() => {\n    console.error('⚠️  Forced shutdown after timeout');\n    process.exit(1);\n  }, 30000);\n\n  \u002F\u002F 3. Закрити з'єднання з базою даних\n  try {\n    await db.end();\n    console.log('✓ Database connections closed');\n  } catch (err) {\n    console.error('Error closing database:', err);\n  }\n\n  \u002F\u002F 4. Очистити timeout та завершити процес\n  clearTimeout(shutdownTimeout);\n  console.log('✓ Graceful shutdown completed');\n  process.exit(0);\n}\n\n\u002F\u002F Обробка сигналів завершення\nprocess.on('SIGTERM', () => shutdown('SIGTERM'));\nprocess.on('SIGINT', () => shutdown('SIGINT'));\n\n\u002F\u002F Обробка неперехоплених помилок\nprocess.on('uncaughtException', (err) => {\n  console.error('Uncaught Exception:', err);\n  shutdown('UNCAUGHT_EXCEPTION');\n});\n\nprocess.on('unhandledRejection', (reason, promise) => {\n  console.error('Unhandled Rejection at:', promise, 'reason:', reason);\n  shutdown('UNHANDLED_REJECTION');\n});\n\nstartServer();\n",[5105,15905,15906,15918,15936,15952,15956,15968,15986,15999,16003,16008,16020,16043,16058,16062,16066,16070,16074,16102,16129,16133,16138,16157,16167,16186,16202,16206,16221,16225,16229,16234,16252,16267,16281,16291,16295,16300,16306,16318,16333,16345,16364,16368,16372,16377,16389,16404,16418,16422,16426,16431,16455,16480,16484,16489,16512,16531,16543,16547,16551,16580,16608,16619,16623,16627],{"__ignoreMap":5187},[5191,15907,15908,15910,15912,15914,15916],{"class":5193,"line":5194},[5191,15909,5469],{"class":5468},[5191,15911,6861],{"class":5476},[5191,15913,6864],{"class":5468},[5191,15915,6867],{"class":5492},[5191,15917,5496],{"class":5472},[5191,15919,15920,15922,15924,15927,15929,15931,15934],{"class":5193,"line":5200},[5191,15921,5469],{"class":5468},[5191,15923,5473],{"class":5472},[5191,15925,15926],{"class":5476},"Server",[5191,15928,5486],{"class":5472},[5191,15930,5489],{"class":5468},[5191,15932,15933],{"class":5492}," 'node:http'",[5191,15935,5496],{"class":5472},[5191,15937,15938,15940,15942,15944,15946,15948,15950],{"class":5193,"line":5206},[5191,15939,5469],{"class":5468},[5191,15941,5473],{"class":5472},[5191,15943,13223],{"class":5476},[5191,15945,5486],{"class":5472},[5191,15947,5489],{"class":5468},[5191,15949,13230],{"class":5492},[5191,15951,5496],{"class":5472},[5191,15953,15954],{"class":5193,"line":5212},[5191,15955,5216],{"emptyLinePlaceholder":5215},[5191,15957,15958,15960,15962,15964,15966],{"class":5193,"line":5219},[5191,15959,5512],{"class":5511},[5191,15961,6894],{"class":5515},[5191,15963,5519],{"class":5472},[5191,15965,6899],{"class":5525},[5191,15967,6425],{"class":5472},[5191,15969,15970,15972,15974,15976,15978,15980,15982,15984],{"class":5193,"line":5225},[5191,15971,5512],{"class":5511},[5191,15973,11893],{"class":5515},[5191,15975,5519],{"class":5472},[5191,15977,5522],{"class":5511},[5191,15979,13249],{"class":5525},[5191,15981,5660],{"class":5472},[5191,15983,13859],{"class":5505},[5191,15985,5681],{"class":5472},[5191,15987,15988,15990,15993,15995,15997],{"class":5193,"line":5231},[5191,15989,6260],{"class":5511},[5191,15991,15992],{"class":5476}," server",[5191,15994,5602],{"class":5472},[5191,15996,15926],{"class":5800},[5191,15998,5496],{"class":5472},[5191,16000,16001],{"class":5193,"line":5237},[5191,16002,5216],{"emptyLinePlaceholder":5215},[5191,16004,16005],{"class":5193,"line":5243},[5191,16006,16007],{"class":5505},"\u002F\u002F Запуск сервера\n",[5191,16009,16010,16012,16014,16016,16018],{"class":5193,"line":5248},[5191,16011,5791],{"class":5511},[5191,16013,10069],{"class":5525},[5191,16015,6654],{"class":5472},[5191,16017,6478],{"class":5800},[5191,16019,5541],{"class":5472},[5191,16021,16022,16025,16027,16029,16031,16033,16035,16037,16039,16041],{"class":5193,"line":5254},[5191,16023,16024],{"class":5476},"  server",[5191,16026,5519],{"class":5472},[5191,16028,6915],{"class":5476},[5191,16030,5549],{"class":5472},[5191,16032,7076],{"class":5525},[5191,16034,5582],{"class":5472},[5191,16036,7081],{"class":5621},[5191,16038,9963],{"class":5472},[5191,16040,5538],{"class":5511},[5191,16042,5541],{"class":5472},[5191,16044,16045,16047,16049,16051,16053,16056],{"class":5193,"line":5260},[5191,16046,5574],{"class":5476},[5191,16048,5549],{"class":5472},[5191,16050,5579],{"class":5525},[5191,16052,5582],{"class":5472},[5191,16054,16055],{"class":5492},"'Server running on port 3000'",[5191,16057,5633],{"class":5472},[5191,16059,16060],{"class":5193,"line":5266},[5191,16061,5638],{"class":5472},[5191,16063,16064],{"class":5193,"line":5272},[5191,16065,5240],{"class":5472},[5191,16067,16068],{"class":5193,"line":5278},[5191,16069,5216],{"emptyLinePlaceholder":5215},[5191,16071,16072],{"class":5193,"line":5283},[5191,16073,13744],{"class":5505},[5191,16075,16076,16078,16081,16084,16086,16088,16090,16092,16094,16096,16098,16100],{"class":5193,"line":5288},[5191,16077,7142],{"class":5511},[5191,16079,16080],{"class":5511}," function",[5191,16082,16083],{"class":5525}," shutdown",[5191,16085,5582],{"class":5472},[5191,16087,9855],{"class":5476},[5191,16089,5602],{"class":5472},[5191,16091,8429],{"class":5800},[5191,16093,5854],{"class":5472},[5191,16095,8709],{"class":5800},[5191,16097,5797],{"class":5472},[5191,16099,6478],{"class":5800},[5191,16101,8716],{"class":5472},[5191,16103,16104,16106,16108,16110,16112,16114,16118,16120,16122,16124,16127],{"class":5193,"line":5294},[5191,16105,7705],{"class":5476},[5191,16107,5549],{"class":5472},[5191,16109,5579],{"class":5525},[5191,16111,5582],{"class":5472},[5191,16113,5585],{"class":5492},[5191,16115,16117],{"class":16116},"sjcCO","\\n",[5191,16119,5588],{"class":5511},[5191,16121,9855],{"class":5476},[5191,16123,5599],{"class":5511},[5191,16125,16126],{"class":5492}," received. Starting graceful shutdown...`",[5191,16128,5633],{"class":5472},[5191,16130,16131],{"class":5193,"line":5300},[5191,16132,5216],{"emptyLinePlaceholder":5215},[5191,16134,16135],{"class":5193,"line":5305},[5191,16136,16137],{"class":5505},"  \u002F\u002F 1. Зупинити прийом нових з'єднань\n",[5191,16139,16140,16142,16144,16147,16149,16151,16153,16155],{"class":5193,"line":5310},[5191,16141,16024],{"class":5476},[5191,16143,5549],{"class":5472},[5191,16145,16146],{"class":5525},"close",[5191,16148,5529],{"class":5472},[5191,16150,7266],{"class":5476},[5191,16152,5535],{"class":5472},[5191,16154,5538],{"class":5511},[5191,16156,5541],{"class":5472},[5191,16158,16159,16161,16163,16165],{"class":5193,"line":5316},[5191,16160,6024],{"class":5468},[5191,16162,5171],{"class":5472},[5191,16164,7266],{"class":5476},[5191,16166,6038],{"class":5472},[5191,16168,16169,16171,16173,16175,16177,16180,16182,16184],{"class":5193,"line":5322},[5191,16170,12718],{"class":5476},[5191,16172,5549],{"class":5472},[5191,16174,12648],{"class":5525},[5191,16176,5582],{"class":5472},[5191,16178,16179],{"class":5492},"'Error closing server:'",[5191,16181,5480],{"class":5472},[5191,16183,7266],{"class":5476},[5191,16185,5633],{"class":5472},[5191,16187,16188,16191,16193,16196,16198,16200],{"class":5193,"line":5328},[5191,16189,16190],{"class":5476},"      process",[5191,16192,5549],{"class":5472},[5191,16194,16195],{"class":5525},"exit",[5191,16197,5582],{"class":5472},[5191,16199,13576],{"class":5621},[5191,16201,5633],{"class":5472},[5191,16203,16204],{"class":5193,"line":5334},[5191,16205,6118],{"class":5472},[5191,16207,16208,16210,16212,16214,16216,16219],{"class":5193,"line":5340},[5191,16209,5574],{"class":5476},[5191,16211,5549],{"class":5472},[5191,16213,5579],{"class":5525},[5191,16215,5582],{"class":5472},[5191,16217,16218],{"class":5492},"'✓ HTTP server closed'",[5191,16220,5633],{"class":5472},[5191,16222,16223],{"class":5193,"line":5345},[5191,16224,5638],{"class":5472},[5191,16226,16227],{"class":5193,"line":5351},[5191,16228,5216],{"emptyLinePlaceholder":5215},[5191,16230,16231],{"class":5193,"line":5357},[5191,16232,16233],{"class":5505},"  \u002F\u002F 2. Дати час існуючим запитам завершитися (до 30 секунд)\n",[5191,16235,16236,16238,16241,16243,16246,16248,16250],{"class":5193,"line":5363},[5191,16237,6759],{"class":5511},[5191,16239,16240],{"class":5515}," shutdownTimeout",[5191,16242,5519],{"class":5472},[5191,16244,16245],{"class":5525},"setTimeout",[5191,16247,6053],{"class":5472},[5191,16249,5538],{"class":5511},[5191,16251,5541],{"class":5472},[5191,16253,16254,16256,16258,16260,16262,16265],{"class":5193,"line":5369},[5191,16255,5574],{"class":5476},[5191,16257,5549],{"class":5472},[5191,16259,12648],{"class":5525},[5191,16261,5582],{"class":5472},[5191,16263,16264],{"class":5492},"'⚠️  Forced shutdown after timeout'",[5191,16266,5633],{"class":5472},[5191,16268,16269,16271,16273,16275,16277,16279],{"class":5193,"line":5375},[5191,16270,14205],{"class":5476},[5191,16272,5549],{"class":5472},[5191,16274,16195],{"class":5525},[5191,16276,5582],{"class":5472},[5191,16278,13576],{"class":5621},[5191,16280,5633],{"class":5472},[5191,16282,16283,16286,16289],{"class":5193,"line":5380},[5191,16284,16285],{"class":5472},"  }, ",[5191,16287,16288],{"class":5621},"30000",[5191,16290,5633],{"class":5472},[5191,16292,16293],{"class":5193,"line":6252},[5191,16294,5216],{"emptyLinePlaceholder":5215},[5191,16296,16297],{"class":5193,"line":6288},[5191,16298,16299],{"class":5505},"  \u002F\u002F 3. Закрити з'єднання з базою даних\n",[5191,16301,16302,16304],{"class":5193,"line":6311},[5191,16303,7185],{"class":5468},[5191,16305,5541],{"class":5472},[5191,16307,16308,16310,16312,16314,16316],{"class":5193,"line":6316},[5191,16309,9359],{"class":5468},[5191,16311,11893],{"class":5476},[5191,16313,5549],{"class":5472},[5191,16315,7492],{"class":5525},[5191,16317,6425],{"class":5472},[5191,16319,16320,16322,16324,16326,16328,16331],{"class":5193,"line":6325},[5191,16321,5574],{"class":5476},[5191,16323,5549],{"class":5472},[5191,16325,5579],{"class":5525},[5191,16327,5582],{"class":5472},[5191,16329,16330],{"class":5492},"'✓ Database connections closed'",[5191,16332,5633],{"class":5472},[5191,16334,16335,16337,16339,16341,16343],{"class":5193,"line":6331},[5191,16336,7258],{"class":5472},[5191,16338,7261],{"class":5468},[5191,16340,5171],{"class":5472},[5191,16342,7266],{"class":5476},[5191,16344,6038],{"class":5472},[5191,16346,16347,16349,16351,16353,16355,16358,16360,16362],{"class":5193,"line":6337},[5191,16348,5574],{"class":5476},[5191,16350,5549],{"class":5472},[5191,16352,12648],{"class":5525},[5191,16354,5582],{"class":5472},[5191,16356,16357],{"class":5492},"'Error closing database:'",[5191,16359,5480],{"class":5472},[5191,16361,7266],{"class":5476},[5191,16363,5633],{"class":5472},[5191,16365,16366],{"class":5193,"line":6342},[5191,16367,6642],{"class":5472},[5191,16369,16370],{"class":5193,"line":6347},[5191,16371,5216],{"emptyLinePlaceholder":5215},[5191,16373,16374],{"class":5193,"line":6360},[5191,16375,16376],{"class":5505},"  \u002F\u002F 4. Очистити timeout та завершити процес\n",[5191,16378,16379,16382,16384,16387],{"class":5193,"line":8846},[5191,16380,16381],{"class":5525},"  clearTimeout",[5191,16383,5582],{"class":5472},[5191,16385,16386],{"class":5476},"shutdownTimeout",[5191,16388,5633],{"class":5472},[5191,16390,16391,16393,16395,16397,16399,16402],{"class":5193,"line":8851},[5191,16392,7705],{"class":5476},[5191,16394,5549],{"class":5472},[5191,16396,5579],{"class":5525},[5191,16398,5582],{"class":5472},[5191,16400,16401],{"class":5492},"'✓ Graceful shutdown completed'",[5191,16403,5633],{"class":5472},[5191,16405,16406,16408,16410,16412,16414,16416],{"class":5193,"line":8856},[5191,16407,9951],{"class":5476},[5191,16409,5549],{"class":5472},[5191,16411,16195],{"class":5525},[5191,16413,5582],{"class":5472},[5191,16415,6247],{"class":5621},[5191,16417,5633],{"class":5472},[5191,16419,16420],{"class":5193,"line":8899},[5191,16421,5240],{"class":5472},[5191,16423,16424],{"class":5193,"line":8922},[5191,16425,5216],{"emptyLinePlaceholder":5215},[5191,16427,16428],{"class":5193,"line":8927},[5191,16429,16430],{"class":5505},"\u002F\u002F Обробка сигналів завершення\n",[5191,16432,16433,16435,16437,16439,16441,16443,16445,16447,16449,16451,16453],{"class":5193,"line":8950},[5191,16434,9728],{"class":5476},[5191,16436,5549],{"class":5472},[5191,16438,7788],{"class":5525},[5191,16440,5582],{"class":5472},[5191,16442,9960],{"class":5492},[5191,16444,9963],{"class":5472},[5191,16446,5538],{"class":5511},[5191,16448,16083],{"class":5525},[5191,16450,5582],{"class":5472},[5191,16452,9960],{"class":5492},[5191,16454,12523],{"class":5472},[5191,16456,16457,16459,16461,16463,16465,16468,16470,16472,16474,16476,16478],{"class":5193,"line":8966},[5191,16458,9728],{"class":5476},[5191,16460,5549],{"class":5472},[5191,16462,7788],{"class":5525},[5191,16464,5582],{"class":5472},[5191,16466,16467],{"class":5492},"'SIGINT'",[5191,16469,9963],{"class":5472},[5191,16471,5538],{"class":5511},[5191,16473,16083],{"class":5525},[5191,16475,5582],{"class":5472},[5191,16477,16467],{"class":5492},[5191,16479,12523],{"class":5472},[5191,16481,16482],{"class":5193,"line":8985},[5191,16483,5216],{"emptyLinePlaceholder":5215},[5191,16485,16486],{"class":5193,"line":8997},[5191,16487,16488],{"class":5505},"\u002F\u002F Обробка неперехоплених помилок\n",[5191,16490,16491,16493,16495,16497,16499,16502,16504,16506,16508,16510],{"class":5193,"line":9018},[5191,16492,9728],{"class":5476},[5191,16494,5549],{"class":5472},[5191,16496,7788],{"class":5525},[5191,16498,5582],{"class":5472},[5191,16500,16501],{"class":5492},"'uncaughtException'",[5191,16503,6928],{"class":5472},[5191,16505,7266],{"class":5476},[5191,16507,5535],{"class":5472},[5191,16509,5538],{"class":5511},[5191,16511,5541],{"class":5472},[5191,16513,16514,16516,16518,16520,16522,16525,16527,16529],{"class":5193,"line":9038},[5191,16515,7705],{"class":5476},[5191,16517,5549],{"class":5472},[5191,16519,12648],{"class":5525},[5191,16521,5582],{"class":5472},[5191,16523,16524],{"class":5492},"'Uncaught Exception:'",[5191,16526,5480],{"class":5472},[5191,16528,7266],{"class":5476},[5191,16530,5633],{"class":5472},[5191,16532,16533,16536,16538,16541],{"class":5193,"line":9044},[5191,16534,16535],{"class":5525},"  shutdown",[5191,16537,5582],{"class":5472},[5191,16539,16540],{"class":5492},"'UNCAUGHT_EXCEPTION'",[5191,16542,5633],{"class":5472},[5191,16544,16545],{"class":5193,"line":9049},[5191,16546,5643],{"class":5472},[5191,16548,16549],{"class":5193,"line":9071},[5191,16550,5216],{"emptyLinePlaceholder":5215},[5191,16552,16553,16555,16557,16559,16561,16564,16566,16569,16571,16574,16576,16578],{"class":5193,"line":9086},[5191,16554,9728],{"class":5476},[5191,16556,5549],{"class":5472},[5191,16558,7788],{"class":5525},[5191,16560,5582],{"class":5472},[5191,16562,16563],{"class":5492},"'unhandledRejection'",[5191,16565,6928],{"class":5472},[5191,16567,16568],{"class":5476},"reason",[5191,16570,5480],{"class":5472},[5191,16572,16573],{"class":5476},"promise",[5191,16575,5535],{"class":5472},[5191,16577,5538],{"class":5511},[5191,16579,5541],{"class":5472},[5191,16581,16582,16584,16586,16588,16590,16593,16595,16597,16599,16602,16604,16606],{"class":5193,"line":9105},[5191,16583,7705],{"class":5476},[5191,16585,5549],{"class":5472},[5191,16587,12648],{"class":5525},[5191,16589,5582],{"class":5472},[5191,16591,16592],{"class":5492},"'Unhandled Rejection at:'",[5191,16594,5480],{"class":5472},[5191,16596,16573],{"class":5476},[5191,16598,5480],{"class":5472},[5191,16600,16601],{"class":5492},"'reason:'",[5191,16603,5480],{"class":5472},[5191,16605,16568],{"class":5476},[5191,16607,5633],{"class":5472},[5191,16609,16610,16612,16614,16617],{"class":5193,"line":9116},[5191,16611,16535],{"class":5525},[5191,16613,5582],{"class":5472},[5191,16615,16616],{"class":5492},"'UNHANDLED_REJECTION'",[5191,16618,5633],{"class":5472},[5191,16620,16621],{"class":5193,"line":9135},[5191,16622,5643],{"class":5472},[5191,16624,16625],{"class":5193,"line":9154},[5191,16626,5216],{"emptyLinePlaceholder":5215},[5191,16628,16629,16632],{"class":5193,"line":9159},[5191,16630,16631],{"class":5525},"startServer",[5191,16633,6425],{"class":5472},[6828,16635,16636],{},"Graceful shutdown критично важливий у Kubernetes та інших оркестраторах. Коли pod видаляється, Kubernetes спочатку відправляє SIGTERM і чекає 30 секунд (за замовчуванням) перед SIGKILL. Якщо застосунок не обробляє SIGTERM, активні запити будуть примусово обірвані.",[5155,16638,16640],{"id":16639},"метрики-та-apm-application-performance-monitoring","Метрики та APM (Application Performance Monitoring)",[5160,16642,16644],{"id":16643},"prometheus-збір-метрик","Prometheus: збір метрик",[5182,16646,16648],{"className":5459,"code":16647,"language":5461,"meta":5187,"style":5187},"import promClient from 'prom-client';\nimport express from 'express';\n\nconst app = express();\n\n\u002F\u002F Автоматичний збір стандартних метрик (CPU, memory, Event Loop lag)\npromClient.collectDefaultMetrics({ timeout: 5000 });\n\n\u002F\u002F Кастомні метрики\nconst httpRequestDuration = new promClient.Histogram({\n  name: 'http_request_duration_seconds',\n  help: 'Duration of HTTP requests in seconds',\n  labelNames: ['method', 'route', 'status_code'],\n  buckets: [0.01, 0.05, 0.1, 0.5, 1, 2, 5],\n});\n\nconst httpRequestTotal = new promClient.Counter({\n  name: 'http_requests_total',\n  help: 'Total number of HTTP requests',\n  labelNames: ['method', 'route', 'status_code'],\n});\n\nconst activeConnections = new promClient.Gauge({\n  name: 'active_connections',\n  help: 'Number of active connections',\n});\n\n\u002F\u002F Middleware для збору метрик\napp.use((req, res, next) => {\n  const start = Date.now();\n  activeConnections.inc();\n\n  res.on('finish', () => {\n    const duration = (Date.now() - start) \u002F 1000;\n    const labels = {\n      method: req.method,\n      route: req.route?.path || req.path,\n      status_code: res.statusCode,\n    };\n\n    httpRequestDuration.observe(labels, duration);\n    httpRequestTotal.inc(labels);\n    activeConnections.dec();\n  });\n\n  next();\n});\n\n\u002F\u002F Endpoint для Prometheus scraping\napp.get('\u002Fmetrics', async (req, res) => {\n  res.set('Content-Type', promClient.register.contentType);\n  const metrics = await promClient.register.metrics();\n  res.send(metrics);\n});\n\napp.get('\u002Fapi\u002Fusers', (req, res) => {\n  res.json([{ id: 1, name: 'Alice' }]);\n});\n\napp.listen(3000);\n",[5105,16649,16650,16664,16676,16680,16692,16696,16701,16721,16725,16730,16750,16760,16770,16793,16832,16836,16840,16860,16869,16878,16896,16900,16904,16924,16933,16942,16946,16950,16955,16981,16997,17009,17013,17032,17058,17067,17080,17107,17120,17124,17128,17148,17163,17175,17179,17183,17190,17194,17198,17203,17234,17263,17287,17301,17305,17309,17335,17359,17363,17367],{"__ignoreMap":5187},[5191,16651,16652,16654,16657,16659,16662],{"class":5193,"line":5194},[5191,16653,5469],{"class":5468},[5191,16655,16656],{"class":5476}," promClient",[5191,16658,6864],{"class":5468},[5191,16660,16661],{"class":5492}," 'prom-client'",[5191,16663,5496],{"class":5472},[5191,16665,16666,16668,16670,16672,16674],{"class":5193,"line":5200},[5191,16667,5469],{"class":5468},[5191,16669,6861],{"class":5476},[5191,16671,6864],{"class":5468},[5191,16673,6867],{"class":5492},[5191,16675,5496],{"class":5472},[5191,16677,16678],{"class":5193,"line":5206},[5191,16679,5216],{"emptyLinePlaceholder":5215},[5191,16681,16682,16684,16686,16688,16690],{"class":5193,"line":5212},[5191,16683,5512],{"class":5511},[5191,16685,6894],{"class":5515},[5191,16687,5519],{"class":5472},[5191,16689,6899],{"class":5525},[5191,16691,6425],{"class":5472},[5191,16693,16694],{"class":5193,"line":5219},[5191,16695,5216],{"emptyLinePlaceholder":5215},[5191,16697,16698],{"class":5193,"line":5225},[5191,16699,16700],{"class":5505},"\u002F\u002F Автоматичний збір стандартних метрик (CPU, memory, Event Loop lag)\n",[5191,16702,16703,16706,16708,16711,16713,16716,16719],{"class":5193,"line":5231},[5191,16704,16705],{"class":5476},"promClient",[5191,16707,5549],{"class":5472},[5191,16709,16710],{"class":5525},"collectDefaultMetrics",[5191,16712,5660],{"class":5472},[5191,16714,16715],{"class":5476},"timeout:",[5191,16717,16718],{"class":5621}," 5000",[5191,16720,5681],{"class":5472},[5191,16722,16723],{"class":5193,"line":5237},[5191,16724,5216],{"emptyLinePlaceholder":5215},[5191,16726,16727],{"class":5193,"line":5243},[5191,16728,16729],{"class":5505},"\u002F\u002F Кастомні метрики\n",[5191,16731,16732,16734,16737,16739,16741,16743,16745,16748],{"class":5193,"line":5248},[5191,16733,5512],{"class":5511},[5191,16735,16736],{"class":5515}," httpRequestDuration",[5191,16738,5519],{"class":5472},[5191,16740,5522],{"class":5511},[5191,16742,16656],{"class":5476},[5191,16744,5549],{"class":5472},[5191,16746,16747],{"class":5525},"Histogram",[5191,16749,10148],{"class":5472},[5191,16751,16752,16755,16758],{"class":5193,"line":5254},[5191,16753,16754],{"class":5476},"  name:",[5191,16756,16757],{"class":5492}," 'http_request_duration_seconds'",[5191,16759,5838],{"class":5472},[5191,16761,16762,16765,16768],{"class":5193,"line":5260},[5191,16763,16764],{"class":5476},"  help:",[5191,16766,16767],{"class":5492}," 'Duration of HTTP requests in seconds'",[5191,16769,5838],{"class":5472},[5191,16771,16772,16775,16777,16780,16782,16785,16787,16790],{"class":5193,"line":5266},[5191,16773,16774],{"class":5476},"  labelNames:",[5191,16776,5666],{"class":5472},[5191,16778,16779],{"class":5492},"'method'",[5191,16781,5480],{"class":5472},[5191,16783,16784],{"class":5492},"'route'",[5191,16786,5480],{"class":5472},[5191,16788,16789],{"class":5492},"'status_code'",[5191,16791,16792],{"class":5472},"],\n",[5191,16794,16795,16798,16800,16803,16805,16808,16810,16813,16815,16818,16820,16822,16824,16826,16828,16830],{"class":5193,"line":5272},[5191,16796,16797],{"class":5476},"  buckets:",[5191,16799,5666],{"class":5472},[5191,16801,16802],{"class":5621},"0.01",[5191,16804,5480],{"class":5472},[5191,16806,16807],{"class":5621},"0.05",[5191,16809,5480],{"class":5472},[5191,16811,16812],{"class":5621},"0.1",[5191,16814,5480],{"class":5472},[5191,16816,16817],{"class":5621},"0.5",[5191,16819,5480],{"class":5472},[5191,16821,13576],{"class":5621},[5191,16823,5480],{"class":5472},[5191,16825,5622],{"class":5621},[5191,16827,5480],{"class":5472},[5191,16829,11942],{"class":5621},[5191,16831,16792],{"class":5472},[5191,16833,16834],{"class":5193,"line":5278},[5191,16835,5643],{"class":5472},[5191,16837,16838],{"class":5193,"line":5283},[5191,16839,5216],{"emptyLinePlaceholder":5215},[5191,16841,16842,16844,16847,16849,16851,16853,16855,16858],{"class":5193,"line":5288},[5191,16843,5512],{"class":5511},[5191,16845,16846],{"class":5515}," httpRequestTotal",[5191,16848,5519],{"class":5472},[5191,16850,5522],{"class":5511},[5191,16852,16656],{"class":5476},[5191,16854,5549],{"class":5472},[5191,16856,16857],{"class":5525},"Counter",[5191,16859,10148],{"class":5472},[5191,16861,16862,16864,16867],{"class":5193,"line":5294},[5191,16863,16754],{"class":5476},[5191,16865,16866],{"class":5492}," 'http_requests_total'",[5191,16868,5838],{"class":5472},[5191,16870,16871,16873,16876],{"class":5193,"line":5300},[5191,16872,16764],{"class":5476},[5191,16874,16875],{"class":5492}," 'Total number of HTTP 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activeConnections",[5191,16912,5519],{"class":5472},[5191,16914,5522],{"class":5511},[5191,16916,16656],{"class":5476},[5191,16918,5549],{"class":5472},[5191,16920,16921],{"class":5525},"Gauge",[5191,16923,10148],{"class":5472},[5191,16925,16926,16928,16931],{"class":5193,"line":5328},[5191,16927,16754],{"class":5476},[5191,16929,16930],{"class":5492}," 'active_connections'",[5191,16932,5838],{"class":5472},[5191,16934,16935,16937,16940],{"class":5193,"line":5334},[5191,16936,16764],{"class":5476},[5191,16938,16939],{"class":5492}," 'Number of active connections'",[5191,16941,5838],{"class":5472},[5191,16943,16944],{"class":5193,"line":5340},[5191,16945,5643],{"class":5472},[5191,16947,16948],{"class":5193,"line":5345},[5191,16949,5216],{"emptyLinePlaceholder":5215},[5191,16951,16952],{"class":5193,"line":5351},[5191,16953,16954],{"class":5505},"\u002F\u002F Middleware для збору метрик\n",[5191,16956,16957,16959,16961,16963,16965,16967,16969,16971,16973,16975,16977,16979],{"class":5193,"line":5357},[5191,16958,6915],{"class":5476},[5191,16960,5549],{"class":5472},[5191,16962,12926],{"class":5525},[5191,16964,5529],{"class":5472},[5191,16966,6931],{"class":5476},[5191,16968,5480],{"class":5472},[5191,16970,6936],{"class":5476},[5191,16972,5480],{"class":5472},[5191,16974,12403],{"class":5476},[5191,16976,5535],{"class":5472},[5191,16978,5538],{"class":5511},[5191,16980,5541],{"class":5472},[5191,16982,16983,16985,16987,16989,16991,16993,16995],{"class":5193,"line":5363},[5191,16984,6759],{"class":5511},[5191,16986,6762],{"class":5515},[5191,16988,5519],{"class":5472},[5191,16990,6767],{"class":5476},[5191,16992,5549],{"class":5472},[5191,16994,6422],{"class":5525},[5191,16996,6425],{"class":5472},[5191,16998,16999,17002,17004,17007],{"class":5193,"line":5369},[5191,17000,17001],{"class":5476},"  activeConnections",[5191,17003,5549],{"class":5472},[5191,17005,17006],{"class":5525},"inc",[5191,17008,6425],{"class":5472},[5191,17010,17011],{"class":5193,"line":5375},[5191,17012,5216],{"emptyLinePlaceholder":5215},[5191,17014,17015,17017,17019,17021,17023,17026,17028,17030],{"class":5193,"line":5380},[5191,17016,7047],{"class":5476},[5191,17018,5549],{"class":5472},[5191,17020,7788],{"class":5525},[5191,17022,5582],{"class":5472},[5191,17024,17025],{"class":5492},"'finish'",[5191,17027,9963],{"class":5472},[5191,17029,5538],{"class":5511},[5191,17031,5541],{"class":5472},[5191,17033,17034,17036,17039,17041,17043,17045,17047,17049,17051,17054,17056],{"class":5193,"line":6252},[5191,17035,5899],{"class":5511},[5191,17037,17038],{"class":5515}," duration",[5191,17040,8935],{"class":5472},[5191,17042,6767],{"class":5476},[5191,17044,5549],{"class":5472},[5191,17046,6422],{"class":5525},[5191,17048,6789],{"class":5472},[5191,17050,6733],{"class":5476},[5191,17052,17053],{"class":5472},") \u002F ",[5191,17055,7410],{"class":5621},[5191,17057,5496],{"class":5472},[5191,17059,17060,17062,17065],{"class":5193,"line":6288},[5191,17061,5899],{"class":5511},[5191,17063,17064],{"class":5515}," labels",[5191,17066,10850],{"class":5472},[5191,17068,17069,17072,17074,17076,17078],{"class":5193,"line":6311},[5191,17070,17071],{"class":5476},"      method:",[5191,17073,9512],{"class":5476},[5191,17075,5549],{"class":5472},[5191,17077,14916],{"class":5476},[5191,17079,5838],{"class":5472},[5191,17081,17082,17085,17087,17089,17092,17094,17097,17099,17101,17103,17105],{"class":5193,"line":6316},[5191,17083,17084],{"class":5476},"      route:",[5191,17086,9512],{"class":5476},[5191,17088,5549],{"class":5472},[5191,17090,17091],{"class":5476},"route",[5191,17093,7785],{"class":5472},[5191,17095,17096],{"class":5476},"path",[5191,17098,5910],{"class":5472},[5191,17100,6931],{"class":5476},[5191,17102,5549],{"class":5472},[5191,17104,17096],{"class":5476},[5191,17106,5838],{"class":5472},[5191,17108,17109,17112,17114,17116,17118],{"class":5193,"line":6325},[5191,17110,17111],{"class":5476},"      status_code:",[5191,17113,12504],{"class":5476},[5191,17115,5549],{"class":5472},[5191,17117,14822],{"class":5476},[5191,17119,5838],{"class":5472},[5191,17121,17122],{"class":5193,"line":6331},[5191,17123,9041],{"class":5472},[5191,17125,17126],{"class":5193,"line":6337},[5191,17127,5216],{"emptyLinePlaceholder":5215},[5191,17129,17130,17133,17135,17137,17139,17142,17144,17146],{"class":5193,"line":6342},[5191,17131,17132],{"class":5476},"    httpRequestDuration",[5191,17134,5549],{"class":5472},[5191,17136,5657],{"class":5525},[5191,17138,5582],{"class":5472},[5191,17140,17141],{"class":5476},"labels",[5191,17143,5480],{"class":5472},[5191,17145,5611],{"class":5476},[5191,17147,5633],{"class":5472},[5191,17149,17150,17153,17155,17157,17159,17161],{"class":5193,"line":6347},[5191,17151,17152],{"class":5476},"    httpRequestTotal",[5191,17154,5549],{"class":5472},[5191,17156,17006],{"class":5525},[5191,17158,5582],{"class":5472},[5191,17160,17141],{"class":5476},[5191,17162,5633],{"class":5472},[5191,17164,17165,17168,17170,17173],{"class":5193,"line":6360},[5191,17166,17167],{"class":5476},"    activeConnections",[5191,17169,5549],{"class":5472},[5191,17171,17172],{"class":5525},"dec",[5191,17174,6425],{"class":5472},[5191,17176,17177],{"class":5193,"line":8846},[5191,17178,5638],{"class":5472},[5191,17180,17181],{"class":5193,"line":8851},[5191,17182,5216],{"emptyLinePlaceholder":5215},[5191,17184,17185,17188],{"class":5193,"line":8856},[5191,17186,17187],{"class":5525},"  next",[5191,17189,6425],{"class":5472},[5191,17191,17192],{"class":5193,"line":8899},[5191,17193,5643],{"class":5472},[5191,17195,17196],{"class":5193,"line":8922},[5191,17197,5216],{"emptyLinePlaceholder":5215},[5191,17199,17200],{"class":5193,"line":8927},[5191,17201,17202],{"class":5505},"\u002F\u002F Endpoint для Prometheus scraping\n",[5191,17204,17205,17207,17209,17211,17213,17216,17218,17220,17222,17224,17226,17228,17230,17232],{"class":5193,"line":8950},[5191,17206,6915],{"class":5476},[5191,17208,5549],{"class":5472},[5191,17210,6920],{"class":5525},[5191,17212,5582],{"class":5472},[5191,17214,17215],{"class":5492},"'\u002Fmetrics'",[5191,17217,5480],{"class":5472},[5191,17219,7142],{"class":5511},[5191,17221,5171],{"class":5472},[5191,17223,6931],{"class":5476},[5191,17225,5480],{"class":5472},[5191,17227,6936],{"class":5476},[5191,17229,5535],{"class":5472},[5191,17231,5538],{"class":5511},[5191,17233,5541],{"class":5472},[5191,17235,17236,17238,17240,17242,17244,17247,17249,17251,17253,17256,17258,17261],{"class":5193,"line":8966},[5191,17237,7047],{"class":5476},[5191,17239,5549],{"class":5472},[5191,17241,11299],{"class":5525},[5191,17243,5582],{"class":5472},[5191,17245,17246],{"class":5492},"'Content-Type'",[5191,17248,5480],{"class":5472},[5191,17250,16705],{"class":5476},[5191,17252,5549],{"class":5472},[5191,17254,17255],{"class":5476},"register",[5191,17257,5549],{"class":5472},[5191,17259,17260],{"class":5476},"contentType",[5191,17262,5633],{"class":5472},[5191,17264,17265,17267,17270,17272,17274,17276,17278,17280,17282,17285],{"class":5193,"line":8985},[5191,17266,6759],{"class":5511},[5191,17268,17269],{"class":5515}," metrics",[5191,17271,5519],{"class":5472},[5191,17273,5715],{"class":5468},[5191,17275,16656],{"class":5476},[5191,17277,5549],{"class":5472},[5191,17279,17255],{"class":5476},[5191,17281,5549],{"class":5472},[5191,17283,17284],{"class":5525},"metrics",[5191,17286,6425],{"class":5472},[5191,17288,17289,17291,17293,17295,17297,17299],{"class":5193,"line":8997},[5191,17290,7047],{"class":5476},[5191,17292,5549],{"class":5472},[5191,17294,15815],{"class":5525},[5191,17296,5582],{"class":5472},[5191,17298,17284],{"class":5476},[5191,17300,5633],{"class":5472},[5191,17302,17303],{"class":5193,"line":9018},[5191,17304,5643],{"class":5472},[5191,17306,17307],{"class":5193,"line":9038},[5191,17308,5216],{"emptyLinePlaceholder":5215},[5191,17310,17311,17313,17315,17317,17319,17321,17323,17325,17327,17329,17331,17333],{"class":5193,"line":9044},[5191,17312,6915],{"class":5476},[5191,17314,5549],{"class":5472},[5191,17316,6920],{"class":5525},[5191,17318,5582],{"class":5472},[5191,17320,14976],{"class":5492},[5191,17322,6928],{"class":5472},[5191,17324,6931],{"class":5476},[5191,17326,5480],{"class":5472},[5191,17328,6936],{"class":5476},[5191,17330,5535],{"class":5472},[5191,17332,5538],{"class":5511},[5191,17334,5541],{"class":5472},[5191,17336,17337,17339,17341,17343,17346,17348,17350,17352,17354,17356],{"class":5193,"line":9049},[5191,17338,7047],{"class":5476},[5191,17340,5549],{"class":5472},[5191,17342,7052],{"class":5525},[5191,17344,17345],{"class":5472},"([{ ",[5191,17347,15043],{"class":5476},[5191,17349,15046],{"class":5621},[5191,17351,5480],{"class":5472},[5191,17353,15051],{"class":5476},[5191,17355,15054],{"class":5492},[5191,17357,17358],{"class":5472}," }]);\n",[5191,17360,17361],{"class":5193,"line":9071},[5191,17362,5643],{"class":5472},[5191,17364,17365],{"class":5193,"line":9086},[5191,17366,5216],{"emptyLinePlaceholder":5215},[5191,17368,17369,17371,17373,17375,17377,17379],{"class":5193,"line":9105},[5191,17370,6915],{"class":5476},[5191,17372,5549],{"class":5472},[5191,17374,7076],{"class":5525},[5191,17376,5582],{"class":5472},[5191,17378,7081],{"class":5621},[5191,17380,5633],{"class":5472},[5165,17382,17383],{},[5126,17384,17385],{},"Приклад метрик:",[5182,17387,17392],{"className":17388,"code":17390,"language":17391},[17389],"language-text","# HELP http_requests_total Total number of HTTP requests\n# TYPE http_requests_total counter\nhttp_requests_total{method=\"GET\",route=\"\u002Fapi\u002Fusers\",status_code=\"200\"} 1523\n\n# HELP http_request_duration_seconds Duration of HTTP requests in seconds\n# TYPE http_request_duration_seconds histogram\nhttp_request_duration_seconds_bucket{method=\"GET\",route=\"\u002Fapi\u002Fusers\",status_code=\"200\",le=\"0.01\"} 1200\nhttp_request_duration_seconds_bucket{method=\"GET\",route=\"\u002Fapi\u002Fusers\",status_code=\"200\",le=\"0.05\"} 1480\nhttp_request_duration_seconds_bucket{method=\"GET\",route=\"\u002Fapi\u002Fusers\",status_code=\"200\",le=\"0.1\"} 1523\n\n# HELP active_connections Number of active connections\n# TYPE active_connections gauge\nactive_connections 42\n","text",[5105,17393,17390],{"__ignoreMap":5187},[5155,17395,17397],{"id":17396},"поширені-помилки-та-антипаттерни","Поширені помилки та антипаттерни",[17399,17400,17401,17591,17802,18126,18486],"accordion",{},[17402,17403,17406,17411,17490,17495,17579],"accordion-item",{"icon":17404,"label":17405},"i-lucide-alert-circle","❌ Помилка 1: Синхронні операції у request handlers",[5165,17407,17408],{},[5126,17409,17410],{},"Неправильно:",[5182,17412,17414],{"className":5459,"code":17413,"language":5461,"meta":5187,"style":5187},"app.get('\u002Ffile', (req, res) => {\n  const data = fs.readFileSync('.\u002Flarge-file.json', 'utf8'); \u002F\u002F Блокує Event Loop!\n  res.send(data);\n});\n",[5105,17415,17416,17443,17472,17486],{"__ignoreMap":5187},[5191,17417,17418,17420,17422,17424,17426,17429,17431,17433,17435,17437,17439,17441],{"class":5193,"line":5194},[5191,17419,6915],{"class":5476},[5191,17421,5549],{"class":5472},[5191,17423,6920],{"class":5525},[5191,17425,5582],{"class":5472},[5191,17427,17428],{"class":5492},"'\u002Ffile'",[5191,17430,6928],{"class":5472},[5191,17432,6931],{"class":5476},[5191,17434,5480],{"class":5472},[5191,17436,6936],{"class":5476},[5191,17438,5535],{"class":5472},[5191,17440,5538],{"class":5511},[5191,17442,5541],{"class":5472},[5191,17444,17445,17447,17449,17451,17453,17455,17457,17459,17462,17464,17466,17469],{"class":5193,"line":5200},[5191,17446,6759],{"class":5511},[5191,17448,6982],{"class":5515},[5191,17450,5519],{"class":5472},[5191,17452,6987],{"class":5476},[5191,17454,5549],{"class":5472},[5191,17456,6992],{"class":5525},[5191,17458,5582],{"class":5472},[5191,17460,17461],{"class":5492},"'.\u002Flarge-file.json'",[5191,17463,5480],{"class":5472},[5191,17465,7012],{"class":5492},[5191,17467,17468],{"class":5472},"); ",[5191,17470,17471],{"class":5505},"\u002F\u002F Блокує Event Loop!\n",[5191,17473,17474,17476,17478,17480,17482,17484],{"class":5193,"line":5206},[5191,17475,7047],{"class":5476},[5191,17477,5549],{"class":5472},[5191,17479,15815],{"class":5525},[5191,17481,5582],{"class":5472},[5191,17483,7036],{"class":5476},[5191,17485,5633],{"class":5472},[5191,17487,17488],{"class":5193,"line":5212},[5191,17489,5643],{"class":5472},[5165,17491,17492],{},[5126,17493,17494],{},"Правильно:",[5182,17496,17498],{"className":5459,"code":17497,"language":5461,"meta":5187,"style":5187},"app.get('\u002Ffile', async (req, res) => {\n  const data = await fs.promises.readFile('.\u002Flarge-file.json', 'utf8');\n  res.send(data);\n});\n",[5105,17499,17500,17530,17561,17575],{"__ignoreMap":5187},[5191,17501,17502,17504,17506,17508,17510,17512,17514,17516,17518,17520,17522,17524,17526,17528],{"class":5193,"line":5194},[5191,17503,6915],{"class":5476},[5191,17505,5549],{"class":5472},[5191,17507,6920],{"class":5525},[5191,17509,5582],{"class":5472},[5191,17511,17428],{"class":5492},[5191,17513,5480],{"class":5472},[5191,17515,7142],{"class":5511},[5191,17517,5171],{"class":5472},[5191,17519,6931],{"class":5476},[5191,17521,5480],{"class":5472},[5191,17523,6936],{"class":5476},[5191,17525,5535],{"class":5472},[5191,17527,5538],{"class":5511},[5191,17529,5541],{"class":5472},[5191,17531,17532,17534,17536,17538,17540,17542,17544,17547,17549,17551,17553,17555,17557,17559],{"class":5193,"line":5200},[5191,17533,6759],{"class":5511},[5191,17535,6982],{"class":5515},[5191,17537,5519],{"class":5472},[5191,17539,5715],{"class":5468},[5191,17541,6876],{"class":5476},[5191,17543,5549],{"class":5472},[5191,17545,17546],{"class":5476},"promises",[5191,17548,5549],{"class":5472},[5191,17550,7107],{"class":5525},[5191,17552,5582],{"class":5472},[5191,17554,17461],{"class":5492},[5191,17556,5480],{"class":5472},[5191,17558,7012],{"class":5492},[5191,17560,5633],{"class":5472},[5191,17562,17563,17565,17567,17569,17571,17573],{"class":5193,"line":5206},[5191,17564,7047],{"class":5476},[5191,17566,5549],{"class":5472},[5191,17568,15815],{"class":5525},[5191,17570,5582],{"class":5472},[5191,17572,7036],{"class":5476},[5191,17574,5633],{"class":5472},[5191,17576,17577],{"class":5193,"line":5212},[5191,17578,5643],{"class":5472},[5165,17580,17581,17584,17585,5480,17587,17590],{},[5126,17582,17583],{},"Пояснення:"," Синхронні функції (",[5105,17586,6992],{},[5105,17588,17589],{},"execSync",") блокують Event Loop, зупиняючи обробку всіх інших запитів. У production це призводить до тайм-аутів клієнтів.",[17402,17592,17594,17598,17662,17666,17793],{"icon":17404,"label":17593},"❌ Помилка 2: Забути обробити rejected Promise",[5165,17595,17596],{},[5126,17597,17410],{},[5182,17599,17601],{"className":5459,"code":17600,"language":5461,"meta":5187,"style":5187},"app.get('\u002Fusers', (req, res) => {\n  queryDatabase('SELECT * FROM users'); \u002F\u002F Promise не обробляється!\n  res.send('OK');\n});\n",[5105,17602,17603,17629,17644,17658],{"__ignoreMap":5187},[5191,17604,17605,17607,17609,17611,17613,17615,17617,17619,17621,17623,17625,17627],{"class":5193,"line":5194},[5191,17606,6915],{"class":5476},[5191,17608,5549],{"class":5472},[5191,17610,6920],{"class":5525},[5191,17612,5582],{"class":5472},[5191,17614,13346],{"class":5492},[5191,17616,6928],{"class":5472},[5191,17618,6931],{"class":5476},[5191,17620,5480],{"class":5472},[5191,17622,6936],{"class":5476},[5191,17624,5535],{"class":5472},[5191,17626,5538],{"class":5511},[5191,17628,5541],{"class":5472},[5191,17630,17631,17634,17636,17639,17641],{"class":5193,"line":5200},[5191,17632,17633],{"class":5525},"  queryDatabase",[5191,17635,5582],{"class":5472},[5191,17637,17638],{"class":5492},"'SELECT * FROM users'",[5191,17640,17468],{"class":5472},[5191,17642,17643],{"class":5505},"\u002F\u002F Promise не обробляється!\n",[5191,17645,17646,17648,17650,17652,17654,17656],{"class":5193,"line":5206},[5191,17647,7047],{"class":5476},[5191,17649,5549],{"class":5472},[5191,17651,15815],{"class":5525},[5191,17653,5582],{"class":5472},[5191,17655,15820],{"class":5492},[5191,17657,5633],{"class":5472},[5191,17659,17660],{"class":5193,"line":5212},[5191,17661,5643],{"class":5472},[5165,17663,17664],{},[5126,17665,17494],{},[5182,17667,17669],{"className":5459,"code":17668,"language":5461,"meta":5187,"style":5187},"app.get('\u002Fusers', async (req, res) => {\n  try {\n    const users = await queryDatabase('SELECT * FROM users');\n    res.json(users);\n  } catch (err) {\n    res.status(500).json({ error: (err as Error).message });\n  }\n});\n",[5105,17670,17671,17701,17707,17725,17739,17751,17785,17789],{"__ignoreMap":5187},[5191,17672,17673,17675,17677,17679,17681,17683,17685,17687,17689,17691,17693,17695,17697,17699],{"class":5193,"line":5194},[5191,17674,6915],{"class":5476},[5191,17676,5549],{"class":5472},[5191,17678,6920],{"class":5525},[5191,17680,5582],{"class":5472},[5191,17682,13346],{"class":5492},[5191,17684,5480],{"class":5472},[5191,17686,7142],{"class":5511},[5191,17688,5171],{"class":5472},[5191,17690,6931],{"class":5476},[5191,17692,5480],{"class":5472},[5191,17694,6936],{"class":5476},[5191,17696,5535],{"class":5472},[5191,17698,5538],{"class":5511},[5191,17700,5541],{"class":5472},[5191,17702,17703,17705],{"class":5193,"line":5200},[5191,17704,7185],{"class":5468},[5191,17706,5541],{"class":5472},[5191,17708,17709,17711,17713,17715,17717,17719,17721,17723],{"class":5193,"line":5206},[5191,17710,5899],{"class":5511},[5191,17712,15037],{"class":5515},[5191,17714,5519],{"class":5472},[5191,17716,5715],{"class":5468},[5191,17718,5718],{"class":5525},[5191,17720,5582],{"class":5472},[5191,17722,17638],{"class":5492},[5191,17724,5633],{"class":5472},[5191,17726,17727,17729,17731,17733,17735,17737],{"class":5193,"line":5212},[5191,17728,7243],{"class":5476},[5191,17730,5549],{"class":5472},[5191,17732,7052],{"class":5525},[5191,17734,5582],{"class":5472},[5191,17736,15070],{"class":5476},[5191,17738,5633],{"class":5472},[5191,17740,17741,17743,17745,17747,17749],{"class":5193,"line":5219},[5191,17742,7258],{"class":5472},[5191,17744,7261],{"class":5468},[5191,17746,5171],{"class":5472},[5191,17748,7266],{"class":5476},[5191,17750,6038],{"class":5472},[5191,17752,17753,17755,17757,17759,17761,17763,17765,17767,17769,17771,17773,17775,17777,17779,17781,17783],{"class":5193,"line":5225},[5191,17754,7243],{"class":5476},[5191,17756,5549],{"class":5472},[5191,17758,7277],{"class":5525},[5191,17760,5582],{"class":5472},[5191,17762,8176],{"class":5621},[5191,17764,7285],{"class":5472},[5191,17766,7052],{"class":5525},[5191,17768,5660],{"class":5472},[5191,17770,7292],{"class":5476},[5191,17772,5171],{"class":5472},[5191,17774,7266],{"class":5476},[5191,17776,8006],{"class":5468},[5191,17778,9580],{"class":5800},[5191,17780,7285],{"class":5472},[5191,17782,8192],{"class":5476},[5191,17784,5681],{"class":5472},[5191,17786,17787],{"class":5193,"line":5231},[5191,17788,6642],{"class":5472},[5191,17790,17791],{"class":5193,"line":5237},[5191,17792,5643],{"class":5472},[5165,17794,17795,17797,17798,17801],{},[5126,17796,17583],{}," Необроблені rejected Promises призводять до ",[5105,17799,17800],{},"UnhandledPromiseRejectionWarning"," і можуть завершити процес у Node.js 15+.",[17402,17803,17805,17809,17935,17939],{"icon":17404,"label":17804},"❌ Помилка 3: Не закривати з'єднання з БД",[5165,17806,17807],{},[5126,17808,17410],{},[5182,17810,17812],{"className":5459,"code":17811,"language":5461,"meta":5187,"style":5187},"app.post('\u002Ftransaction', async (req, res) => {\n  const client = await pool.connect();\n  await client.query('BEGIN');\n  await client.query('UPDATE accounts SET balance = balance - 100 WHERE id = 1');\n  await client.query('COMMIT');\n  res.send('OK');\n  \u002F\u002F client.release() відсутній — витік з'єднання!\n});\n",[5105,17813,17814,17845,17863,17879,17896,17912,17926,17931],{"__ignoreMap":5187},[5191,17815,17816,17818,17820,17822,17824,17827,17829,17831,17833,17835,17837,17839,17841,17843],{"class":5193,"line":5194},[5191,17817,6915],{"class":5476},[5191,17819,5549],{"class":5472},[5191,17821,7963],{"class":5525},[5191,17823,5582],{"class":5472},[5191,17825,17826],{"class":5492},"'\u002Ftransaction'",[5191,17828,5480],{"class":5472},[5191,17830,7142],{"class":5511},[5191,17832,5171],{"class":5472},[5191,17834,6931],{"class":5476},[5191,17836,5480],{"class":5472},[5191,17838,6936],{"class":5476},[5191,17840,5535],{"class":5472},[5191,17842,5538],{"class":5511},[5191,17844,5541],{"class":5472},[5191,17846,17847,17849,17851,17853,17855,17857,17859,17861],{"class":5193,"line":5200},[5191,17848,6759],{"class":5511},[5191,17850,13513],{"class":5515},[5191,17852,5519],{"class":5472},[5191,17854,5715],{"class":5468},[5191,17856,9426],{"class":5476},[5191,17858,5549],{"class":5472},[5191,17860,12061],{"class":5525},[5191,17862,6425],{"class":5472},[5191,17864,17865,17867,17869,17871,17873,17875,17877],{"class":5193,"line":5206},[5191,17866,13772],{"class":5468},[5191,17868,13513],{"class":5476},[5191,17870,5549],{"class":5472},[5191,17872,11898],{"class":5525},[5191,17874,5582],{"class":5472},[5191,17876,13550],{"class":5492},[5191,17878,5633],{"class":5472},[5191,17880,17881,17883,17885,17887,17889,17891,17894],{"class":5193,"line":5212},[5191,17882,13772],{"class":5468},[5191,17884,13513],{"class":5476},[5191,17886,5549],{"class":5472},[5191,17888,11898],{"class":5525},[5191,17890,5582],{"class":5472},[5191,17892,17893],{"class":5492},"'UPDATE accounts SET balance = balance - 100 WHERE id = 1'",[5191,17895,5633],{"class":5472},[5191,17897,17898,17900,17902,17904,17906,17908,17910],{"class":5193,"line":5219},[5191,17899,13772],{"class":5468},[5191,17901,13513],{"class":5476},[5191,17903,5549],{"class":5472},[5191,17905,11898],{"class":5525},[5191,17907,5582],{"class":5472},[5191,17909,13618],{"class":5492},[5191,17911,5633],{"class":5472},[5191,17913,17914,17916,17918,17920,17922,17924],{"class":5193,"line":5225},[5191,17915,7047],{"class":5476},[5191,17917,5549],{"class":5472},[5191,17919,15815],{"class":5525},[5191,17921,5582],{"class":5472},[5191,17923,15820],{"class":5492},[5191,17925,5633],{"class":5472},[5191,17927,17928],{"class":5193,"line":5231},[5191,17929,17930],{"class":5505},"  \u002F\u002F client.release() відсутній — витік з'єднання!\n",[5191,17932,17933],{"class":5193,"line":5237},[5191,17934,5643],{"class":5472},[5165,17936,17937],{},[5126,17938,17494],{},[5182,17940,17942],{"className":5459,"code":17941,"language":5461,"meta":5187,"style":5187},"app.post('\u002Ftransaction', async (req, res) => {\n  const client = await pool.connect();\n  try {\n    await client.query('BEGIN');\n    await client.query('UPDATE accounts SET balance = balance - 100 WHERE id = 1');\n    await client.query('COMMIT');\n    res.send('OK');\n  } catch (err) {\n    await client.query('ROLLBACK');\n    throw err;\n  } finally {\n    client.release(); \u002F\u002F ЗАВЖДИ повертати у пул\n  }\n});\n",[5105,17943,17944,17974,17992,17998,18014,18030,18046,18060,18072,18088,18097,18105,18118,18122],{"__ignoreMap":5187},[5191,17945,17946,17948,17950,17952,17954,17956,17958,17960,17962,17964,17966,17968,17970,17972],{"class":5193,"line":5194},[5191,17947,6915],{"class":5476},[5191,17949,5549],{"class":5472},[5191,17951,7963],{"class":5525},[5191,17953,5582],{"class":5472},[5191,17955,17826],{"class":5492},[5191,17957,5480],{"class":5472},[5191,17959,7142],{"class":5511},[5191,17961,5171],{"class":5472},[5191,17963,6931],{"class":5476},[5191,17965,5480],{"class":5472},[5191,17967,6936],{"class":5476},[5191,17969,5535],{"class":5472},[5191,17971,5538],{"class":5511},[5191,17973,5541],{"class":5472},[5191,17975,17976,17978,17980,17982,17984,17986,17988,17990],{"class":5193,"line":5200},[5191,17977,6759],{"class":5511},[5191,17979,13513],{"class":5515},[5191,17981,5519],{"class":5472},[5191,17983,5715],{"class":5468},[5191,17985,9426],{"class":5476},[5191,17987,5549],{"class":5472},[5191,17989,12061],{"class":5525},[5191,17991,6425],{"class":5472},[5191,17993,17994,17996],{"class":5193,"line":5206},[5191,17995,7185],{"class":5468},[5191,17997,5541],{"class":5472},[5191,17999,18000,18002,18004,18006,18008,18010,18012],{"class":5193,"line":5212},[5191,18001,9359],{"class":5468},[5191,18003,13513],{"class":5476},[5191,18005,5549],{"class":5472},[5191,18007,11898],{"class":5525},[5191,18009,5582],{"class":5472},[5191,18011,13550],{"class":5492},[5191,18013,5633],{"class":5472},[5191,18015,18016,18018,18020,18022,18024,18026,18028],{"class":5193,"line":5219},[5191,18017,9359],{"class":5468},[5191,18019,13513],{"class":5476},[5191,18021,5549],{"class":5472},[5191,18023,11898],{"class":5525},[5191,18025,5582],{"class":5472},[5191,18027,17893],{"class":5492},[5191,18029,5633],{"class":5472},[5191,18031,18032,18034,18036,18038,18040,18042,18044],{"class":5193,"line":5225},[5191,18033,9359],{"class":5468},[5191,18035,13513],{"class":5476},[5191,18037,5549],{"class":5472},[5191,18039,11898],{"class":5525},[5191,18041,5582],{"class":5472},[5191,18043,13618],{"class":5492},[5191,18045,5633],{"class":5472},[5191,18047,18048,18050,18052,18054,18056,18058],{"class":5193,"line":5231},[5191,18049,7243],{"class":5476},[5191,18051,5549],{"class":5472},[5191,18053,15815],{"class":5525},[5191,18055,5582],{"class":5472},[5191,18057,15820],{"class":5492},[5191,18059,5633],{"class":5472},[5191,18061,18062,18064,18066,18068,18070],{"class":5193,"line":5237},[5191,18063,7258],{"class":5472},[5191,18065,7261],{"class":5468},[5191,18067,5171],{"class":5472},[5191,18069,7266],{"class":5476},[5191,18071,6038],{"class":5472},[5191,18073,18074,18076,18078,18080,18082,18084,18086],{"class":5193,"line":5243},[5191,18075,9359],{"class":5468},[5191,18077,13513],{"class":5476},[5191,18079,5549],{"class":5472},[5191,18081,11898],{"class":5525},[5191,18083,5582],{"class":5472},[5191,18085,13668],{"class":5492},[5191,18087,5633],{"class":5472},[5191,18089,18090,18093,18095],{"class":5193,"line":5248},[5191,18091,18092],{"class":5468},"    throw",[5191,18094,8187],{"class":5476},[5191,18096,5496],{"class":5472},[5191,18098,18099,18101,18103],{"class":5193,"line":5254},[5191,18100,7258],{"class":5472},[5191,18102,6050],{"class":5468},[5191,18104,5541],{"class":5472},[5191,18106,18107,18109,18111,18113,18115],{"class":5193,"line":5260},[5191,18108,13717],{"class":5476},[5191,18110,5549],{"class":5472},[5191,18112,13722],{"class":5525},[5191,18114,8129],{"class":5472},[5191,18116,18117],{"class":5505},"\u002F\u002F ЗАВЖДИ повертати у пул\n",[5191,18119,18120],{"class":5193,"line":5266},[5191,18121,6642],{"class":5472},[5191,18123,18124],{"class":5193,"line":5272},[5191,18125,5643],{"class":5472},[17402,18127,18129,18133,18283,18287],{"icon":17404,"label":18128},"❌ Помилка 4: Зберігати великі об'єкти у глобальній пам'яті",[5165,18130,18131],{},[5126,18132,17410],{},[5182,18134,18136],{"className":5459,"code":18135,"language":5461,"meta":5187,"style":5187},"const cache: Record\u003Cstring, any> = {}; \u002F\u002F Глобальний кеш без TTL\n\napp.get('\u002Fdata\u002F:id', async (req, res) => {\n  const id = req.params.id;\n  if (!cache[id]) {\n    cache[id] = await loadData(id); \u002F\u002F Накопичується назавжди!\n  }\n  res.json(cache[id]);\n});\n",[5105,18137,18138,18163,18167,18198,18218,18232,18257,18261,18279],{"__ignoreMap":5187},[5191,18139,18140,18142,18144,18146,18149,18151,18153,18155,18157,18160],{"class":5193,"line":5194},[5191,18141,5512],{"class":5511},[5191,18143,11185],{"class":5515},[5191,18145,5602],{"class":5472},[5191,18147,18148],{"class":5800},"Record",[5191,18150,5797],{"class":5472},[5191,18152,8429],{"class":5800},[5191,18154,5480],{"class":5472},[5191,18156,5815],{"class":5800},[5191,18158,18159],{"class":5472},"> = {}; ",[5191,18161,18162],{"class":5505},"\u002F\u002F Глобальний кеш без TTL\n",[5191,18164,18165],{"class":5193,"line":5200},[5191,18166,5216],{"emptyLinePlaceholder":5215},[5191,18168,18169,18171,18173,18175,18177,18180,18182,18184,18186,18188,18190,18192,18194,18196],{"class":5193,"line":5206},[5191,18170,6915],{"class":5476},[5191,18172,5549],{"class":5472},[5191,18174,6920],{"class":5525},[5191,18176,5582],{"class":5472},[5191,18178,18179],{"class":5492},"'\u002Fdata\u002F:id'",[5191,18181,5480],{"class":5472},[5191,18183,7142],{"class":5511},[5191,18185,5171],{"class":5472},[5191,18187,6931],{"class":5476},[5191,18189,5480],{"class":5472},[5191,18191,6936],{"class":5476},[5191,18193,5535],{"class":5472},[5191,18195,5538],{"class":5511},[5191,18197,5541],{"class":5472},[5191,18199,18200,18202,18204,18206,18208,18210,18212,18214,18216],{"class":5193,"line":5212},[5191,18201,6759],{"class":5511},[5191,18203,9993],{"class":5515},[5191,18205,5519],{"class":5472},[5191,18207,6931],{"class":5476},[5191,18209,5549],{"class":5472},[5191,18211,6958],{"class":5476},[5191,18213,5549],{"class":5472},[5191,18215,6963],{"class":5476},[5191,18217,5496],{"class":5472},[5191,18219,18220,18222,18224,18226,18228,18230],{"class":5193,"line":5219},[5191,18221,11870],{"class":5468},[5191,18223,11380],{"class":5472},[5191,18225,11294],{"class":5476},[5191,18227,7518],{"class":5472},[5191,18229,6963],{"class":5476},[5191,18231,13008],{"class":5472},[5191,18233,18234,18236,18238,18240,18243,18245,18248,18250,18252,18254],{"class":5193,"line":5225},[5191,18235,11925],{"class":5476},[5191,18237,7518],{"class":5472},[5191,18239,6963],{"class":5476},[5191,18241,18242],{"class":5472},"] = ",[5191,18244,5715],{"class":5468},[5191,18246,18247],{"class":5525}," loadData",[5191,18249,5582],{"class":5472},[5191,18251,6963],{"class":5476},[5191,18253,17468],{"class":5472},[5191,18255,18256],{"class":5505},"\u002F\u002F Накопичується назавжди!\n",[5191,18258,18259],{"class":5193,"line":5231},[5191,18260,6642],{"class":5472},[5191,18262,18263,18265,18267,18269,18271,18273,18275,18277],{"class":5193,"line":5237},[5191,18264,7047],{"class":5476},[5191,18266,5549],{"class":5472},[5191,18268,7052],{"class":5525},[5191,18270,5582],{"class":5472},[5191,18272,11294],{"class":5476},[5191,18274,7518],{"class":5472},[5191,18276,6963],{"class":5476},[5191,18278,7523],{"class":5472},[5191,18280,18281],{"class":5193,"line":5243},[5191,18282,5643],{"class":5472},[5165,18284,18285],{},[5126,18286,17494],{},[5182,18288,18290],{"className":5459,"code":18289,"language":5461,"meta":5187,"style":5187},"import NodeCache from 'node-cache';\nconst cache = new NodeCache({ stdTTL: 600 }); \u002F\u002F TTL 10 хвилин\n\napp.get('\u002Fdata\u002F:id', async (req, res) => {\n  const id = req.params.id;\n  let data = cache.get\u003CData>(id);\n  \n  if (!data) {\n    data = await loadData(id);\n    cache.set(id, data);\n  }\n  \n  res.json(data);\n});\n",[5105,18291,18292,18306,18332,18336,18366,18386,18412,18416,18426,18442,18460,18464,18468,18482],{"__ignoreMap":5187},[5191,18293,18294,18296,18299,18301,18304],{"class":5193,"line":5194},[5191,18295,5469],{"class":5468},[5191,18297,18298],{"class":5476}," NodeCache",[5191,18300,6864],{"class":5468},[5191,18302,18303],{"class":5492}," 'node-cache'",[5191,18305,5496],{"class":5472},[5191,18307,18308,18310,18312,18314,18316,18318,18320,18323,18326,18329],{"class":5193,"line":5200},[5191,18309,5512],{"class":5511},[5191,18311,11185],{"class":5515},[5191,18313,5519],{"class":5472},[5191,18315,5522],{"class":5511},[5191,18317,18298],{"class":5525},[5191,18319,5660],{"class":5472},[5191,18321,18322],{"class":5476},"stdTTL:",[5191,18324,18325],{"class":5621}," 600",[5191,18327,18328],{"class":5472}," }); ",[5191,18330,18331],{"class":5505},"\u002F\u002F TTL 10 хвилин\n",[5191,18333,18334],{"class":5193,"line":5206},[5191,18335,5216],{"emptyLinePlaceholder":5215},[5191,18337,18338,18340,18342,18344,18346,18348,18350,18352,18354,18356,18358,18360,18362,18364],{"class":5193,"line":5212},[5191,18339,6915],{"class":5476},[5191,18341,5549],{"class":5472},[5191,18343,6920],{"class":5525},[5191,18345,5582],{"class":5472},[5191,18347,18179],{"class":5492},[5191,18349,5480],{"class":5472},[5191,18351,7142],{"class":5511},[5191,18353,5171],{"class":5472},[5191,18355,6931],{"class":5476},[5191,18357,5480],{"class":5472},[5191,18359,6936],{"class":5476},[5191,18361,5535],{"class":5472},[5191,18363,5538],{"class":5511},[5191,18365,5541],{"class":5472},[5191,18367,18368,18370,18372,18374,18376,18378,18380,18382,18384],{"class":5193,"line":5219},[5191,18369,6759],{"class":5511},[5191,18371,9993],{"class":5515},[5191,18373,5519],{"class":5472},[5191,18375,6931],{"class":5476},[5191,18377,5549],{"class":5472},[5191,18379,6958],{"class":5476},[5191,18381,5549],{"class":5472},[5191,18383,6963],{"class":5476},[5191,18385,5496],{"class":5472},[5191,18387,18388,18390,18392,18394,18396,18398,18400,18402,18405,18408,18410],{"class":5193,"line":5225},[5191,18389,7376],{"class":5511},[5191,18391,6982],{"class":5476},[5191,18393,5519],{"class":5472},[5191,18395,11294],{"class":5476},[5191,18397,5549],{"class":5472},[5191,18399,6920],{"class":5525},[5191,18401,5797],{"class":5472},[5191,18403,18404],{"class":5800},"Data",[5191,18406,18407],{"class":5472},">(",[5191,18409,6963],{"class":5476},[5191,18411,5633],{"class":5472},[5191,18413,18414],{"class":5193,"line":5231},[5191,18415,6970],{"class":5472},[5191,18417,18418,18420,18422,18424],{"class":5193,"line":5237},[5191,18419,11870],{"class":5468},[5191,18421,11380],{"class":5472},[5191,18423,7036],{"class":5476},[5191,18425,6038],{"class":5472},[5191,18427,18428,18430,18432,18434,18436,18438,18440],{"class":5193,"line":5243},[5191,18429,8340],{"class":5476},[5191,18431,5519],{"class":5472},[5191,18433,5715],{"class":5468},[5191,18435,18247],{"class":5525},[5191,18437,5582],{"class":5472},[5191,18439,6963],{"class":5476},[5191,18441,5633],{"class":5472},[5191,18443,18444,18446,18448,18450,18452,18454,18456,18458],{"class":5193,"line":5248},[5191,18445,11925],{"class":5476},[5191,18447,5549],{"class":5472},[5191,18449,11299],{"class":5525},[5191,18451,5582],{"class":5472},[5191,18453,6963],{"class":5476},[5191,18455,5480],{"class":5472},[5191,18457,7036],{"class":5476},[5191,18459,5633],{"class":5472},[5191,18461,18462],{"class":5193,"line":5254},[5191,18463,6642],{"class":5472},[5191,18465,18466],{"class":5193,"line":5260},[5191,18467,6970],{"class":5472},[5191,18469,18470,18472,18474,18476,18478,18480],{"class":5193,"line":5266},[5191,18471,7047],{"class":5476},[5191,18473,5549],{"class":5472},[5191,18475,7052],{"class":5525},[5191,18477,5582],{"class":5472},[5191,18479,7036],{"class":5476},[5191,18481,5633],{"class":5472},[5191,18483,18484],{"class":5193,"line":5272},[5191,18485,5643],{"class":5472},[17402,18487,18489,18493,18565,18569],{"icon":17404,"label":18488},"❌ Помилка 5: Не встановлювати ліміти для запитів",[5165,18490,18491],{},[5126,18492,17410],{},[5182,18494,18496],{"className":5459,"code":18495,"language":5461,"meta":5187,"style":5187},"app.post('\u002Fupload', upload.single('file'), (req, res) => {\n  \u002F\u002F Немає ліміту розміру — DDoS через великі файли\n  res.send('Uploaded');\n});\n",[5105,18497,18498,18541,18546,18561],{"__ignoreMap":5187},[5191,18499,18500,18502,18504,18506,18508,18511,18513,18516,18518,18521,18523,18526,18529,18531,18533,18535,18537,18539],{"class":5193,"line":5194},[5191,18501,6915],{"class":5476},[5191,18503,5549],{"class":5472},[5191,18505,7963],{"class":5525},[5191,18507,5582],{"class":5472},[5191,18509,18510],{"class":5492},"'\u002Fupload'",[5191,18512,5480],{"class":5472},[5191,18514,18515],{"class":5476},"upload",[5191,18517,5549],{"class":5472},[5191,18519,18520],{"class":5525},"single",[5191,18522,5582],{"class":5472},[5191,18524,18525],{"class":5492},"'file'",[5191,18527,18528],{"class":5472},"), (",[5191,18530,6931],{"class":5476},[5191,18532,5480],{"class":5472},[5191,18534,6936],{"class":5476},[5191,18536,5535],{"class":5472},[5191,18538,5538],{"class":5511},[5191,18540,5541],{"class":5472},[5191,18542,18543],{"class":5193,"line":5200},[5191,18544,18545],{"class":5505},"  \u002F\u002F Немає ліміту розміру — DDoS через великі файли\n",[5191,18547,18548,18550,18552,18554,18556,18559],{"class":5193,"line":5206},[5191,18549,7047],{"class":5476},[5191,18551,5549],{"class":5472},[5191,18553,15815],{"class":5525},[5191,18555,5582],{"class":5472},[5191,18557,18558],{"class":5492},"'Uploaded'",[5191,18560,5633],{"class":5472},[5191,18562,18563],{"class":5193,"line":5212},[5191,18564,5643],{"class":5472},[5165,18566,18567],{},[5126,18568,17494],{},[5182,18570,18572],{"className":5459,"code":18571,"language":5461,"meta":5187,"style":5187},"import express from 'express';\n\napp.use(express.json({ limit: '10mb' })); \u002F\u002F Ліміт для JSON body\napp.use(express.urlencoded({ limit: '10mb', extended: true }));\n\nimport rateLimit from 'express-rate-limit';\n\nconst limiter = rateLimit({\n  windowMs: 15 * 60 * 1000, \u002F\u002F 15 хвилин\n  max: 100, \u002F\u002F Максимум 100 запитів з одного IP\n  message: 'Забагато запитів, спробуйте пізніше',\n});\n\napp.use('\u002Fapi\u002F', limiter);\n",[5105,18573,18574,18586,18590,18620,18653,18657,18671,18675,18689,18710,18722,18732,18736,18740],{"__ignoreMap":5187},[5191,18575,18576,18578,18580,18582,18584],{"class":5193,"line":5194},[5191,18577,5469],{"class":5468},[5191,18579,6861],{"class":5476},[5191,18581,6864],{"class":5468},[5191,18583,6867],{"class":5492},[5191,18585,5496],{"class":5472},[5191,18587,18588],{"class":5193,"line":5200},[5191,18589,5216],{"emptyLinePlaceholder":5215},[5191,18591,18592,18594,18596,18598,18600,18602,18604,18606,18608,18611,18614,18617],{"class":5193,"line":5206},[5191,18593,6915],{"class":5476},[5191,18595,5549],{"class":5472},[5191,18597,12926],{"class":5525},[5191,18599,5582],{"class":5472},[5191,18601,6899],{"class":5476},[5191,18603,5549],{"class":5472},[5191,18605,7052],{"class":5525},[5191,18607,5660],{"class":5472},[5191,18609,18610],{"class":5476},"limit:",[5191,18612,18613],{"class":5492}," '10mb'",[5191,18615,18616],{"class":5472}," })); 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rateLimit",[5191,18665,6864],{"class":5468},[5191,18667,18668],{"class":5492}," 'express-rate-limit'",[5191,18670,5496],{"class":5472},[5191,18672,18673],{"class":5193,"line":5231},[5191,18674,5216],{"emptyLinePlaceholder":5215},[5191,18676,18677,18679,18682,18684,18687],{"class":5193,"line":5237},[5191,18678,5512],{"class":5511},[5191,18680,18681],{"class":5515}," limiter",[5191,18683,5519],{"class":5472},[5191,18685,18686],{"class":5525},"rateLimit",[5191,18688,10148],{"class":5472},[5191,18690,18691,18694,18697,18699,18701,18703,18705,18707],{"class":5193,"line":5243},[5191,18692,18693],{"class":5476},"  windowMs:",[5191,18695,18696],{"class":5621}," 15",[5191,18698,11945],{"class":5472},[5191,18700,11948],{"class":5621},[5191,18702,11945],{"class":5472},[5191,18704,7410],{"class":5621},[5191,18706,5480],{"class":5472},[5191,18708,18709],{"class":5505},"\u002F\u002F 15 хвилин\n",[5191,18711,18712,18714,18717,18719],{"class":5193,"line":5248},[5191,18713,13287],{"class":5476},[5191,18715,18716],{"class":5621}," 100",[5191,18718,5480],{"class":5472},[5191,18720,18721],{"class":5505},"\u002F\u002F Максимум 100 запитів з одного IP\n",[5191,18723,18724,18727,18730],{"class":5193,"line":5254},[5191,18725,18726],{"class":5476},"  message:",[5191,18728,18729],{"class":5492}," 'Забагато запитів, спробуйте 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winston)",[5095,18828,18829,18830,5480,18833,5480,18836,5625],{},"✅ Health checks (",[5105,18831,18832],{},"\u002Fhealth",[5105,18834,18835],{},"\u002Fready",[5105,18837,18838],{},"\u002Flive",[5095,18840,18841],{},"✅ Метрики Prometheus",[5095,18843,18844],{},"✅ APM (Datadog, New Relic, Elastic APM)",[5160,18846,18848],{"id":18847},"крок-5-безпека-та-стабільність","Крок 5: Безпека та стабільність",[5092,18850,18851,18854,18864,18867],{},[5095,18852,18853],{},"✅ Graceful shutdown",[5095,18855,18856,18857,18860,18861],{},"✅ Обробка ",[5105,18858,18859],{},"uncaughtException"," та ",[5105,18862,18863],{},"unhandledRejection",[5095,18865,18866],{},"✅ Обмеження розміру запитів",[5095,18868,18869],{},"✅ CORS, helmet middleware",[5084,18871,18872,18892,18912],{},[5087,18873,18875],{"icon":92,"title":18874},"🚀 Швидкість",[5092,18876,18877,18880,18883,18886,18889],{},[5095,18878,18879],{},"Асинхронні API",[5095,18881,18882],{},"Кластеризація",[5095,18884,18885],{},"Worker Threads для 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