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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":4230,"body":5076,"description":12458,"extension":12459,"links":12460,"meta":12461,"navigation":5272,"path":4231,"seo":12462,"stem":4232,"__hash__":12463},"docs\u002F18.web-development\u002F06.async-programming-nodejs\u002F02.callbacks.md",{"type":5077,"value":5078,"toc":12431},"minimark",[5079,5083,5160,5165,5188,5195,5430,5437,5444,5448,5457,5460,5617,5639,5642,5853,5856,5864,5873,5880,5884,5894,5897,5949,5962,5969,6183,6186,6214,6330,6333,6496,6500,6503,6517,6520,7111,7125,7216,7219,7248,7260,7264,7270,7477,7494,7497,7704,7710,7905,7915,7919,7929,7932,8119,8129,8143,8150,8160,8164,8167,9178,9181,9201,9205,9211,9361,9364,9639,9642,9666,9673,9677,9680,9694,10760,10763,10790,10796,10800,10803,10894,10907,10911,10917,10922,10929,11127,11131,11134,11343,11347,11350,11360,11363,11511,11515,11518,11573,11577,11580,12203,12207,12210,12288,12419,12427],[5080,5081,4230],"h1",{"id":5082},"callbacks-перша-парадигма-асинхронності",[5084,5085,5086,5115],"card-group",{},[5087,5088,5091],"card",{"icon":5089,"title":5090},"i-lucide-target","🎯 Мета лекції",[5092,5093,5094,5098,5101,5109,5112],"ul",{},[5095,5096,5097],"li",{},"Опанувати концепцію callback-функцій як механізм асинхронної комунікації.",[5095,5099,5100],{},"Зрозуміти Error-First Callback pattern — стандарт Node.js до появи промісів.",[5095,5102,5103,5104,5108],{},"Навчитися розпізнавати та уникати антипаттерну Callback Hell (",[5105,5106,5107],"em",{},"Pyramid of Doom",").",[5095,5110,5111],{},"Дослідити проблеми обробки помилок та контролю потоку виконання у callback-based коді.",[5095,5113,5114],{},"Розуміти історичний контекст переходу від callbacks до промісів та async\u002Fawait.",[5087,5116,5118],{"icon":4574,"title":5117},"🔑 Ключові терміни",[5092,5119,5120,5131,5142,5151],{},[5095,5121,5122,5130],{},[5123,5124,5125,5126,5129],"strong",{},"Callback (",[5105,5127,5128],{},"функція зворотного виклику","):"," функція, що передається як аргумент іншій функції для виконання після завершення асинхронної операції.",[5095,5132,5133,5136,5137,5141],{},[5123,5134,5135],{},"Error-First Callback:"," конвенція Node.js, де перший параметр callback завжди містить помилку (",[5138,5139,5140],"code",{},"null"," у разі успіху), а другий — результат операції.",[5095,5143,5144,5150],{},[5123,5145,5146,5147,5129],{},"Callback Hell (",[5105,5148,5149],{},"пекло колбеків"," антипаттерн, коли вкладені callback призводять до важкочитабельного коду з глибокою індентацією.",[5095,5152,5153,5159],{},[5123,5154,5155,5156,5129],{},"Inversion of Control (",[5105,5157,5158],{},"інверсія керування"," ситуація, коли контроль над виконанням коду передається зовнішній функції через callback.",[5161,5162,5164],"h2",{"id":5163},"історичний-контекст-асинхронність-у-ранніх-версіях-nodejs","Історичний контекст: асинхронність у ранніх версіях Node.js",[5166,5167,5168,5169,5172,5173,5176,5177,5180,5181,5184,5185,5108],"p",{},"Коли Раян Даль (",[5105,5170,5171],{},"Ryan Dahl",") представив Node.js у 2009 році, мова JavaScript ще не мала вбудованої підтримки промісів (",[5105,5174,5175],{},"Promises",") на рівні стандарту ECMAScript. Специфікація ES6 (ECMAScript 2015), яка офіційно додала ",[5138,5178,5179],{},"Promise"," до мови, з'явилася лише у червні 2015 року. До цього моменту єдиним загальноприйнятим механізмом для роботи з асинхронним кодом у JavaScript були ",[5123,5182,5183],{},"callback-функції"," (",[5105,5186,5187],{},"функції зворотного виклику",[5166,5189,5190,5191,5194],{},"Цей підхід був успадкований з браузерного JavaScript, де callback використовувалися для обробки подій DOM (",[5105,5192,5193],{},"Document Object Model","), таймерів та AJAX-запитів. Наприклад, у браузері:",[5196,5197,5202],"pre",{"className":5198,"code":5199,"language":5200,"meta":5201,"style":5201},"language-typescript shiki shiki-themes light-plus dark-plus dark-plus","\u002F\u002F Браузерний приклад (до появи fetch API)\nconst xhr = new XMLHttpRequest();\nxhr.open('GET', '\u002Fapi\u002Fusers');\n\nxhr.onload = function() {\n  \u002F\u002F Callback, що виконується після завершення запиту\n  if (xhr.status === 200) {\n    console.log('Дані отримано:', xhr.responseText);\n  }\n};\n\nxhr.onerror = function() {\n  \u002F\u002F Callback для обробки помилок\n  console.error('Помилка запиту');\n};\n\nxhr.send();\n","typescript","",[5138,5203,5204,5213,5238,5267,5274,5292,5298,5324,5351,5357,5363,5368,5384,5390,5408,5413,5418],{"__ignoreMap":5201},[5205,5206,5209],"span",{"class":5207,"line":5208},"line",1,[5205,5210,5212],{"class":5211},"spJ8K","\u002F\u002F Браузерний приклад (до появи fetch API)\n",[5205,5214,5216,5220,5224,5228,5231,5235],{"class":5207,"line":5215},2,[5205,5217,5219],{"class":5218},"su1O8","const",[5205,5221,5223],{"class":5222},"s-QsJ"," xhr",[5205,5225,5227],{"class":5226},"sHH4Y"," = ",[5205,5229,5230],{"class":5218},"new",[5205,5232,5234],{"class":5233},"s8Opu"," XMLHttpRequest",[5205,5236,5237],{"class":5226},"();\n",[5205,5239,5241,5245,5248,5251,5254,5258,5261,5264],{"class":5207,"line":5240},3,[5205,5242,5244],{"class":5243},"siwwj","xhr",[5205,5246,5247],{"class":5226},".",[5205,5249,5250],{"class":5233},"open",[5205,5252,5253],{"class":5226},"(",[5205,5255,5257],{"class":5256},"sbdoH","'GET'",[5205,5259,5260],{"class":5226},", ",[5205,5262,5263],{"class":5256},"'\u002Fapi\u002Fusers'",[5205,5265,5266],{"class":5226},");\n",[5205,5268,5270],{"class":5207,"line":5269},4,[5205,5271,5273],{"emptyLinePlaceholder":5272},true,"\n",[5205,5275,5277,5279,5281,5284,5286,5289],{"class":5207,"line":5276},5,[5205,5278,5244],{"class":5243},[5205,5280,5247],{"class":5226},[5205,5282,5283],{"class":5233},"onload",[5205,5285,5227],{"class":5226},[5205,5287,5288],{"class":5218},"function",[5205,5290,5291],{"class":5226},"() {\n",[5205,5293,5295],{"class":5207,"line":5294},6,[5205,5296,5297],{"class":5211},"  \u002F\u002F Callback, що виконується після завершення запиту\n",[5205,5299,5301,5305,5307,5309,5311,5314,5317,5321],{"class":5207,"line":5300},7,[5205,5302,5304],{"class":5303},"s8xlr","  if",[5205,5306,5184],{"class":5226},[5205,5308,5244],{"class":5243},[5205,5310,5247],{"class":5226},[5205,5312,5313],{"class":5243},"status",[5205,5315,5316],{"class":5226}," === ",[5205,5318,5320],{"class":5319},"sJj4R","200",[5205,5322,5323],{"class":5226},") {\n",[5205,5325,5327,5330,5332,5335,5337,5340,5342,5344,5346,5349],{"class":5207,"line":5326},8,[5205,5328,5329],{"class":5243},"    console",[5205,5331,5247],{"class":5226},[5205,5333,5334],{"class":5233},"log",[5205,5336,5253],{"class":5226},[5205,5338,5339],{"class":5256},"'Дані отримано:'",[5205,5341,5260],{"class":5226},[5205,5343,5244],{"class":5243},[5205,5345,5247],{"class":5226},[5205,5347,5348],{"class":5243},"responseText",[5205,5350,5266],{"class":5226},[5205,5352,5354],{"class":5207,"line":5353},9,[5205,5355,5356],{"class":5226},"  }\n",[5205,5358,5360],{"class":5207,"line":5359},10,[5205,5361,5362],{"class":5226},"};\n",[5205,5364,5366],{"class":5207,"line":5365},11,[5205,5367,5273],{"emptyLinePlaceholder":5272},[5205,5369,5371,5373,5375,5378,5380,5382],{"class":5207,"line":5370},12,[5205,5372,5244],{"class":5243},[5205,5374,5247],{"class":5226},[5205,5376,5377],{"class":5233},"onerror",[5205,5379,5227],{"class":5226},[5205,5381,5288],{"class":5218},[5205,5383,5291],{"class":5226},[5205,5385,5387],{"class":5207,"line":5386},13,[5205,5388,5389],{"class":5211},"  \u002F\u002F Callback для обробки помилок\n",[5205,5391,5393,5396,5398,5401,5403,5406],{"class":5207,"line":5392},14,[5205,5394,5395],{"class":5243},"  console",[5205,5397,5247],{"class":5226},[5205,5399,5400],{"class":5233},"error",[5205,5402,5253],{"class":5226},[5205,5404,5405],{"class":5256},"'Помилка запиту'",[5205,5407,5266],{"class":5226},[5205,5409,5411],{"class":5207,"line":5410},15,[5205,5412,5362],{"class":5226},[5205,5414,5416],{"class":5207,"line":5415},16,[5205,5417,5273],{"emptyLinePlaceholder":5272},[5205,5419,5421,5423,5425,5428],{"class":5207,"line":5420},17,[5205,5422,5244],{"class":5243},[5205,5424,5247],{"class":5226},[5205,5426,5427],{"class":5233},"send",[5205,5429,5237],{"class":5226},[5166,5431,5432,5433,5436],{},"Node.js прийняв callback як основний механізм асинхронності, але запровадив чітку конвенцію для уніфікації обробки помилок — ",[5123,5434,5435],{},"Error-First Callback pattern",". Це дозволило стандартизувати інтерфейси всіх асинхронних API у екосистемі та створити передбачувану поведінку для розробників.",[5166,5438,5439,5440,5443],{},"Важливо розуміти, що callback не є «застарілою» технологією, яку не варто вивчати. Навіть сьогодні багато бібліотек (наприклад, стрім-API Node.js, низькорівневі бібліотеки) використовують callback для максимальної гнучкості та продуктивності. Крім того, розуміння callback є необхідним для опанування промісів та ",[5138,5441,5442],{},"async\u002Fawait",", оскільки ці абстракції побудовані саме поверх callback-based моделі.",[5161,5445,5447],{"id":5446},"анатомія-callback-функції","Анатомія callback-функції",[5166,5449,5125,5450,5452,5453,5456],{},[5105,5451,5128],{},") — це звичайна функція JavaScript, яка передається як аргумент іншій функції. Викликаюча функція (",[5105,5454,5455],{},"caller",") виконує асинхронну операцію та після її завершення (успішного або з помилкою) викликає переданий callback, передаючи йому результат або інформацію про помилку.",[5166,5458,5459],{},"Розглянемо найпростіший приклад callback, що не пов'язаний з асинхронністю:",[5196,5461,5463],{"className":5198,"code":5462,"language":5200,"meta":5201,"style":5201},"function greet(name: string, callback: (message: string) => void): void {\n  const message = `Привіт, ${name}!`;\n  callback(message); \u002F\u002F Викликаємо callback і передаємо йому результат\n}\n\n\u002F\u002F Використання\ngreet('Олексій', (msg) => {\n  console.log(msg); \u002F\u002F Вивід: Привіт, Олексій!\n});\n",[5138,5464,5465,5517,5544,5559,5564,5568,5573,5595,5612],{"__ignoreMap":5201},[5205,5466,5467,5469,5472,5474,5477,5480,5484,5486,5489,5492,5495,5497,5499,5502,5505,5508,5511,5514],{"class":5207,"line":5208},[5205,5468,5288],{"class":5218},[5205,5470,5471],{"class":5233}," greet",[5205,5473,5253],{"class":5226},[5205,5475,5476],{"class":5243},"name",[5205,5478,5479],{"class":5226},": ",[5205,5481,5483],{"class":5482},"sN1BT","string",[5205,5485,5260],{"class":5226},[5205,5487,5488],{"class":5233},"callback",[5205,5490,5491],{"class":5226},": (",[5205,5493,5494],{"class":5243},"message",[5205,5496,5479],{"class":5226},[5205,5498,5483],{"class":5482},[5205,5500,5501],{"class":5226},") ",[5205,5503,5504],{"class":5218},"=>",[5205,5506,5507],{"class":5482}," void",[5205,5509,5510],{"class":5226},"): ",[5205,5512,5513],{"class":5482},"void",[5205,5515,5516],{"class":5226}," {\n",[5205,5518,5519,5522,5525,5527,5530,5533,5535,5538,5541],{"class":5207,"line":5215},[5205,5520,5521],{"class":5218},"  const",[5205,5523,5524],{"class":5222}," message",[5205,5526,5227],{"class":5226},[5205,5528,5529],{"class":5256},"`Привіт, ",[5205,5531,5532],{"class":5218},"${",[5205,5534,5476],{"class":5243},[5205,5536,5537],{"class":5218},"}",[5205,5539,5540],{"class":5256},"!`",[5205,5542,5543],{"class":5226},";\n",[5205,5545,5546,5549,5551,5553,5556],{"class":5207,"line":5240},[5205,5547,5548],{"class":5233},"  callback",[5205,5550,5253],{"class":5226},[5205,5552,5494],{"class":5243},[5205,5554,5555],{"class":5226},"); ",[5205,5557,5558],{"class":5211},"\u002F\u002F Викликаємо callback і передаємо йому результат\n",[5205,5560,5561],{"class":5207,"line":5269},[5205,5562,5563],{"class":5226},"}\n",[5205,5565,5566],{"class":5207,"line":5276},[5205,5567,5273],{"emptyLinePlaceholder":5272},[5205,5569,5570],{"class":5207,"line":5294},[5205,5571,5572],{"class":5211},"\u002F\u002F Використання\n",[5205,5574,5575,5578,5580,5583,5586,5589,5591,5593],{"class":5207,"line":5300},[5205,5576,5577],{"class":5233},"greet",[5205,5579,5253],{"class":5226},[5205,5581,5582],{"class":5256},"'Олексій'",[5205,5584,5585],{"class":5226},", (",[5205,5587,5588],{"class":5243},"msg",[5205,5590,5501],{"class":5226},[5205,5592,5504],{"class":5218},[5205,5594,5516],{"class":5226},[5205,5596,5597,5599,5601,5603,5605,5607,5609],{"class":5207,"line":5326},[5205,5598,5395],{"class":5243},[5205,5600,5247],{"class":5226},[5205,5602,5334],{"class":5233},[5205,5604,5253],{"class":5226},[5205,5606,5588],{"class":5243},[5205,5608,5555],{"class":5226},[5205,5610,5611],{"class":5211},"\u002F\u002F Вивід: Привіт, Олексій!\n",[5205,5613,5614],{"class":5207,"line":5353},[5205,5615,5616],{"class":5226},"});\n",[5166,5618,5619,5620,5622,5623,5625,5626,5628,5629,5631,5632,5247],{},"У цьому прикладі функція ",[5138,5621,5577],{}," приймає два аргументи: рядок ",[5138,5624,5476],{}," та функцію ",[5138,5627,5488],{},". Після формування привітання функція викликає ",[5138,5630,5488],{},", передаючи йому сформований текст. Це ілюструє базовий принцип: ",[5123,5633,5634,5635,5638],{},"callback дозволяє викликаючій функції повернути результат не через ",[5138,5636,5637],{},"return",", а через виклик переданої функції",[5166,5640,5641],{},"Тепер розглянемо асинхронний приклад із таймером:",[5196,5643,5645],{"className":5198,"code":5644,"language":5200,"meta":5201,"style":5201},"function delayedGreeting(name: string, callback: (message: string) => void): void {\n  console.log('Запуск таймера...');\n  \n  setTimeout(() => {\n    const message = `Привіт, ${name}! (з затримкою)`;\n    callback(message);\n  }, 2000); \u002F\u002F Затримка 2 секунди\n  \n  console.log('Функція delayedGreeting завершила виконання');\n}\n\n\u002F\u002F Використання\ndelayedGreeting('Марія', (msg) => {\n  console.log(msg);\n});\n\nconsole.log('Основний код продовжує виконання');\n",[5138,5646,5647,5686,5701,5706,5718,5740,5751,5764,5768,5783,5787,5791,5795,5815,5829,5833,5837],{"__ignoreMap":5201},[5205,5648,5649,5651,5654,5656,5658,5660,5662,5664,5666,5668,5670,5672,5674,5676,5678,5680,5682,5684],{"class":5207,"line":5208},[5205,5650,5288],{"class":5218},[5205,5652,5653],{"class":5233}," delayedGreeting",[5205,5655,5253],{"class":5226},[5205,5657,5476],{"class":5243},[5205,5659,5479],{"class":5226},[5205,5661,5483],{"class":5482},[5205,5663,5260],{"class":5226},[5205,5665,5488],{"class":5233},[5205,5667,5491],{"class":5226},[5205,5669,5494],{"class":5243},[5205,5671,5479],{"class":5226},[5205,5673,5483],{"class":5482},[5205,5675,5501],{"class":5226},[5205,5677,5504],{"class":5218},[5205,5679,5507],{"class":5482},[5205,5681,5510],{"class":5226},[5205,5683,5513],{"class":5482},[5205,5685,5516],{"class":5226},[5205,5687,5688,5690,5692,5694,5696,5699],{"class":5207,"line":5215},[5205,5689,5395],{"class":5243},[5205,5691,5247],{"class":5226},[5205,5693,5334],{"class":5233},[5205,5695,5253],{"class":5226},[5205,5697,5698],{"class":5256},"'Запуск таймера...'",[5205,5700,5266],{"class":5226},[5205,5702,5703],{"class":5207,"line":5240},[5205,5704,5705],{"class":5226},"  \n",[5205,5707,5708,5711,5714,5716],{"class":5207,"line":5269},[5205,5709,5710],{"class":5233},"  setTimeout",[5205,5712,5713],{"class":5226},"(() ",[5205,5715,5504],{"class":5218},[5205,5717,5516],{"class":5226},[5205,5719,5720,5723,5725,5727,5729,5731,5733,5735,5738],{"class":5207,"line":5276},[5205,5721,5722],{"class":5218},"    const",[5205,5724,5524],{"class":5222},[5205,5726,5227],{"class":5226},[5205,5728,5529],{"class":5256},[5205,5730,5532],{"class":5218},[5205,5732,5476],{"class":5243},[5205,5734,5537],{"class":5218},[5205,5736,5737],{"class":5256},"! (з затримкою)`",[5205,5739,5543],{"class":5226},[5205,5741,5742,5745,5747,5749],{"class":5207,"line":5294},[5205,5743,5744],{"class":5233},"    callback",[5205,5746,5253],{"class":5226},[5205,5748,5494],{"class":5243},[5205,5750,5266],{"class":5226},[5205,5752,5753,5756,5759,5761],{"class":5207,"line":5300},[5205,5754,5755],{"class":5226},"  }, ",[5205,5757,5758],{"class":5319},"2000",[5205,5760,5555],{"class":5226},[5205,5762,5763],{"class":5211},"\u002F\u002F Затримка 2 секунди\n",[5205,5765,5766],{"class":5207,"line":5326},[5205,5767,5705],{"class":5226},[5205,5769,5770,5772,5774,5776,5778,5781],{"class":5207,"line":5353},[5205,5771,5395],{"class":5243},[5205,5773,5247],{"class":5226},[5205,5775,5334],{"class":5233},[5205,5777,5253],{"class":5226},[5205,5779,5780],{"class":5256},"'Функція delayedGreeting завершила виконання'",[5205,5782,5266],{"class":5226},[5205,5784,5785],{"class":5207,"line":5359},[5205,5786,5563],{"class":5226},[5205,5788,5789],{"class":5207,"line":5365},[5205,5790,5273],{"emptyLinePlaceholder":5272},[5205,5792,5793],{"class":5207,"line":5370},[5205,5794,5572],{"class":5211},[5205,5796,5797,5800,5802,5805,5807,5809,5811,5813],{"class":5207,"line":5386},[5205,5798,5799],{"class":5233},"delayedGreeting",[5205,5801,5253],{"class":5226},[5205,5803,5804],{"class":5256},"'Марія'",[5205,5806,5585],{"class":5226},[5205,5808,5588],{"class":5243},[5205,5810,5501],{"class":5226},[5205,5812,5504],{"class":5218},[5205,5814,5516],{"class":5226},[5205,5816,5817,5819,5821,5823,5825,5827],{"class":5207,"line":5392},[5205,5818,5395],{"class":5243},[5205,5820,5247],{"class":5226},[5205,5822,5334],{"class":5233},[5205,5824,5253],{"class":5226},[5205,5826,5588],{"class":5243},[5205,5828,5266],{"class":5226},[5205,5830,5831],{"class":5207,"line":5410},[5205,5832,5616],{"class":5226},[5205,5834,5835],{"class":5207,"line":5415},[5205,5836,5273],{"emptyLinePlaceholder":5272},[5205,5838,5839,5842,5844,5846,5848,5851],{"class":5207,"line":5420},[5205,5840,5841],{"class":5243},"console",[5205,5843,5247],{"class":5226},[5205,5845,5334],{"class":5233},[5205,5847,5253],{"class":5226},[5205,5849,5850],{"class":5256},"'Основний код продовжує виконання'",[5205,5852,5266],{"class":5226},[5166,5854,5855],{},"Порядок виконання:",[5196,5857,5862],{"className":5858,"code":5860,"language":5861},[5859],"language-text","Запуск таймера...\nФункція delayedGreeting завершила виконання\nОсновний код продовжує виконання\nПривіт, Марія! (з затримкою)\n","text",[5138,5863,5860],{"__ignoreMap":5201},[5166,5865,5866,5867,5869,5870,5247],{},"Як видно, функція ",[5138,5868,5799],{}," завершує своє виконання майже миттєво (вона лише реєструє таймер), а callback викликається пізніше, коли Event Loop обробляє спрацювання таймера через 2 секунди. Це демонструє ключову властивість асинхронних callback: ",[5123,5871,5872],{},"вони відокремлюють момент ініціації операції від моменту отримання результату",[5874,5875,5876,5877,5879],"note",{},"У синхронному коді результат повертається через ",[5138,5878,5637],{}," одразу після виконання функції. В асинхронному коді результат передається через callback у невизначений момент у майбутньому, коли операція завершиться.",[5161,5881,5883],{"id":5882},"error-first-callback-pattern-стандарт-nodejs","Error-First Callback Pattern: стандарт Node.js",[5166,5885,5886,5887,5889,5890,5893],{},"Однією з найважливіших конвенцій Node.js є ",[5123,5888,5435],{}," — угода про те, як повинні виглядати сигнатури callback-функцій. Згідно з цим патерном, ",[5123,5891,5892],{},"перший параметр callback завжди зарезервований для помилки",", а наступні параметри — для успішного результату операції.",[5166,5895,5896],{},"Стандартна сигнатура Error-First Callback виглядає так:",[5196,5898,5900],{"className":5198,"code":5899,"language":5200,"meta":5201,"style":5201},"type ErrorFirstCallback\u003CT> = (error: Error | null, result?: T) => void;\n",[5138,5901,5902],{"__ignoreMap":5201},[5205,5903,5904,5907,5910,5913,5916,5919,5921,5923,5926,5929,5931,5933,5936,5939,5941,5943,5945,5947],{"class":5207,"line":5208},[5205,5905,5906],{"class":5218},"type",[5205,5908,5909],{"class":5482}," ErrorFirstCallback",[5205,5911,5912],{"class":5226},"\u003C",[5205,5914,5915],{"class":5482},"T",[5205,5917,5918],{"class":5226},"> = (",[5205,5920,5400],{"class":5243},[5205,5922,5479],{"class":5226},[5205,5924,5925],{"class":5482},"Error",[5205,5927,5928],{"class":5226}," | ",[5205,5930,5140],{"class":5482},[5205,5932,5260],{"class":5226},[5205,5934,5935],{"class":5243},"result",[5205,5937,5938],{"class":5226},"?: ",[5205,5940,5915],{"class":5482},[5205,5942,5501],{"class":5226},[5205,5944,5504],{"class":5218},[5205,5946,5507],{"class":5482},[5205,5948,5543],{"class":5226},[5166,5950,5951,5952,5954,5955,5957,5958,5961],{},"Якщо операція завершилася успішно, перший параметр містить ",[5138,5953,5140],{},", а результат передається у другому параметрі. Якщо сталася помилка, перший параметр містить об'єкт ",[5138,5956,5925],{},", а другий параметр може бути ",[5138,5959,5960],{},"undefined"," або взагалі відсутній.",[5166,5963,5964,5965,5968],{},"Розглянемо класичний приклад читання файлу з модуля ",[5138,5966,5967],{},"fs",":",[5196,5970,5972],{"className":5198,"code":5971,"language":5200,"meta":5201,"style":5201},"import { readFile } from 'node:fs';\n\nreadFile('.\u002Fconfig.json', 'utf-8', (error, data) => {\n  if (error) {\n    \u002F\u002F Обробка помилки (файл не знайдено, немає прав доступу тощо)\n    console.error('Помилка читання файлу:', error.message);\n    return; \u002F\u002F Важливо: припиняємо виконання callback\n  }\n  \n  \u002F\u002F Якщо помилки немає, обробляємо дані\n  try {\n    const config = JSON.parse(data);\n    console.log('Конфігурація завантажена:', config);\n  } catch (parseError) {\n    console.error('Помилка парсингу JSON:', parseError);\n  }\n});\n",[5138,5973,5974,5996,6000,6029,6039,6044,6067,6078,6082,6086,6091,6098,6121,6141,6156,6175,6179],{"__ignoreMap":5201},[5205,5975,5976,5979,5982,5985,5988,5991,5994],{"class":5207,"line":5208},[5205,5977,5978],{"class":5303},"import",[5205,5980,5981],{"class":5226}," { ",[5205,5983,5984],{"class":5243},"readFile",[5205,5986,5987],{"class":5226}," } ",[5205,5989,5990],{"class":5303},"from",[5205,5992,5993],{"class":5256}," 'node:fs'",[5205,5995,5543],{"class":5226},[5205,5997,5998],{"class":5207,"line":5215},[5205,5999,5273],{"emptyLinePlaceholder":5272},[5205,6001,6002,6004,6006,6009,6011,6014,6016,6018,6020,6023,6025,6027],{"class":5207,"line":5240},[5205,6003,5984],{"class":5233},[5205,6005,5253],{"class":5226},[5205,6007,6008],{"class":5256},"'.\u002Fconfig.json'",[5205,6010,5260],{"class":5226},[5205,6012,6013],{"class":5256},"'utf-8'",[5205,6015,5585],{"class":5226},[5205,6017,5400],{"class":5243},[5205,6019,5260],{"class":5226},[5205,6021,6022],{"class":5243},"data",[5205,6024,5501],{"class":5226},[5205,6026,5504],{"class":5218},[5205,6028,5516],{"class":5226},[5205,6030,6031,6033,6035,6037],{"class":5207,"line":5269},[5205,6032,5304],{"class":5303},[5205,6034,5184],{"class":5226},[5205,6036,5400],{"class":5243},[5205,6038,5323],{"class":5226},[5205,6040,6041],{"class":5207,"line":5276},[5205,6042,6043],{"class":5211},"    \u002F\u002F Обробка помилки (файл не знайдено, немає прав доступу тощо)\n",[5205,6045,6046,6048,6050,6052,6054,6057,6059,6061,6063,6065],{"class":5207,"line":5294},[5205,6047,5329],{"class":5243},[5205,6049,5247],{"class":5226},[5205,6051,5400],{"class":5233},[5205,6053,5253],{"class":5226},[5205,6055,6056],{"class":5256},"'Помилка читання файлу:'",[5205,6058,5260],{"class":5226},[5205,6060,5400],{"class":5243},[5205,6062,5247],{"class":5226},[5205,6064,5494],{"class":5243},[5205,6066,5266],{"class":5226},[5205,6068,6069,6072,6075],{"class":5207,"line":5300},[5205,6070,6071],{"class":5303},"    return",[5205,6073,6074],{"class":5226},"; ",[5205,6076,6077],{"class":5211},"\u002F\u002F Важливо: припиняємо виконання callback\n",[5205,6079,6080],{"class":5207,"line":5326},[5205,6081,5356],{"class":5226},[5205,6083,6084],{"class":5207,"line":5353},[5205,6085,5705],{"class":5226},[5205,6087,6088],{"class":5207,"line":5359},[5205,6089,6090],{"class":5211},"  \u002F\u002F Якщо помилки немає, обробляємо дані\n",[5205,6092,6093,6096],{"class":5207,"line":5365},[5205,6094,6095],{"class":5303},"  try",[5205,6097,5516],{"class":5226},[5205,6099,6100,6102,6105,6107,6110,6112,6115,6117,6119],{"class":5207,"line":5370},[5205,6101,5722],{"class":5218},[5205,6103,6104],{"class":5222}," config",[5205,6106,5227],{"class":5226},[5205,6108,6109],{"class":5222},"JSON",[5205,6111,5247],{"class":5226},[5205,6113,6114],{"class":5233},"parse",[5205,6116,5253],{"class":5226},[5205,6118,6022],{"class":5243},[5205,6120,5266],{"class":5226},[5205,6122,6123,6125,6127,6129,6131,6134,6136,6139],{"class":5207,"line":5386},[5205,6124,5329],{"class":5243},[5205,6126,5247],{"class":5226},[5205,6128,5334],{"class":5233},[5205,6130,5253],{"class":5226},[5205,6132,6133],{"class":5256},"'Конфігурація завантажена:'",[5205,6135,5260],{"class":5226},[5205,6137,6138],{"class":5243},"config",[5205,6140,5266],{"class":5226},[5205,6142,6143,6146,6149,6151,6154],{"class":5207,"line":5392},[5205,6144,6145],{"class":5226},"  } ",[5205,6147,6148],{"class":5303},"catch",[5205,6150,5184],{"class":5226},[5205,6152,6153],{"class":5243},"parseError",[5205,6155,5323],{"class":5226},[5205,6157,6158,6160,6162,6164,6166,6169,6171,6173],{"class":5207,"line":5410},[5205,6159,5329],{"class":5243},[5205,6161,5247],{"class":5226},[5205,6163,5400],{"class":5233},[5205,6165,5253],{"class":5226},[5205,6167,6168],{"class":5256},"'Помилка парсингу JSON:'",[5205,6170,5260],{"class":5226},[5205,6172,6153],{"class":5243},[5205,6174,5266],{"class":5226},[5205,6176,6177],{"class":5207,"line":5415},[5205,6178,5356],{"class":5226},[5205,6180,6181],{"class":5207,"line":5420},[5205,6182,5616],{"class":5226},[5166,6184,6185],{},"Чому перший параметр саме помилка? Це архітектурне рішення має кілька важливих переваг:",[6187,6188,6189,6195,6201],"ol",{},[5095,6190,6191,6194],{},[5123,6192,6193],{},"Форсування обробки помилок:"," розробник змушений одразу перевірити наявність помилки на початку callback, що знижує ймовірність «німого» ігнорування помилок.",[5095,6196,6197,6200],{},[5123,6198,6199],{},"Уніфікація API:"," усі асинхронні функції у Node.js та екосистемі npm дотримуються цієї конвенції, що робить код передбачуваним.",[5095,6202,6203,6206,6207,6210,6211,6213],{},[5123,6204,6205],{},"Явна обробка виключень:"," на відміну від синхронного коду з блоками ",[5138,6208,6209],{},"try\u002Fcatch",", у асинхронному callback-based коді виключення, що виникають всередині callback, не можуть бути перехоплені зовнішнім блоком ",[5138,6212,6209],{},". Error-First pattern робить обробку помилок явною.",[6215,6216,6217,6226,6323],"warning",{},[5166,6218,6219,6220,6222,6223,5968],{},"Асинхронні помилки не можна перехопити через ",[5138,6221,6209],{},", що огортає виклик асинхронної функції. Наприклад, цей код ",[5123,6224,6225],{},"не спрацює",[5196,6227,6229],{"className":5198,"code":6228,"language":5200,"meta":5201,"style":5201},"try {\n  readFile('.\u002Fconfig.json', 'utf-8', (error, data) => {\n    throw new Error('Щось пішло не так'); \u002F\u002F Ця помилка НЕ буде перехоплена\n  });\n} catch (error) {\n  console.error('Ця гілка ніколи не виконається');\n}\n",[5138,6230,6231,6238,6265,6286,6291,6304,6319],{"__ignoreMap":5201},[5205,6232,6233,6236],{"class":5207,"line":5208},[5205,6234,6235],{"class":5303},"try",[5205,6237,5516],{"class":5226},[5205,6239,6240,6243,6245,6247,6249,6251,6253,6255,6257,6259,6261,6263],{"class":5207,"line":5215},[5205,6241,6242],{"class":5233},"  readFile",[5205,6244,5253],{"class":5226},[5205,6246,6008],{"class":5256},[5205,6248,5260],{"class":5226},[5205,6250,6013],{"class":5256},[5205,6252,5585],{"class":5226},[5205,6254,5400],{"class":5243},[5205,6256,5260],{"class":5226},[5205,6258,6022],{"class":5243},[5205,6260,5501],{"class":5226},[5205,6262,5504],{"class":5218},[5205,6264,5516],{"class":5226},[5205,6266,6267,6270,6273,6276,6278,6281,6283],{"class":5207,"line":5240},[5205,6268,6269],{"class":5303},"    throw",[5205,6271,6272],{"class":5218}," new",[5205,6274,6275],{"class":5233}," Error",[5205,6277,5253],{"class":5226},[5205,6279,6280],{"class":5256},"'Щось пішло не так'",[5205,6282,5555],{"class":5226},[5205,6284,6285],{"class":5211},"\u002F\u002F Ця помилка НЕ буде перехоплена\n",[5205,6287,6288],{"class":5207,"line":5269},[5205,6289,6290],{"class":5226},"  });\n",[5205,6292,6293,6296,6298,6300,6302],{"class":5207,"line":5276},[5205,6294,6295],{"class":5226},"} ",[5205,6297,6148],{"class":5303},[5205,6299,5184],{"class":5226},[5205,6301,5400],{"class":5243},[5205,6303,5323],{"class":5226},[5205,6305,6306,6308,6310,6312,6314,6317],{"class":5207,"line":5294},[5205,6307,5395],{"class":5243},[5205,6309,5247],{"class":5226},[5205,6311,5400],{"class":5233},[5205,6313,5253],{"class":5226},[5205,6315,6316],{"class":5256},"'Ця гілка ніколи не виконається'",[5205,6318,5266],{"class":5226},[5205,6320,6321],{"class":5207,"line":5300},[5205,6322,5563],{"class":5226},[5166,6324,6325,6326,6329],{},"Причина: на момент виконання callback основний код вже давно завершився. Помилка у callback призводить до необробленого виключення (",[5105,6327,6328],{},"unhandled exception",") та аварійного завершення процесу Node.js.",[5166,6331,6332],{},"Правильний спосіб обробки помилок — усередині самого callback:",[5196,6334,6336],{"className":5198,"code":6335,"language":5200,"meta":5201,"style":5201},"readFile('.\u002Fconfig.json', 'utf-8', (error, data) => {\n  if (error) {\n    \u002F\u002F Обробка помилки читання файлу\n    console.error('Помилка файлової системи:', error);\n    return;\n  }\n  \n  try {\n    const config = JSON.parse(data);\n    console.log(config);\n  } catch (parseError) {\n    \u002F\u002F Обробка помилки парсингу JSON\n    console.error('Помилка парсингу:', parseError);\n  }\n});\n",[5138,6337,6338,6364,6374,6379,6398,6404,6408,6412,6418,6438,6452,6464,6469,6488,6492],{"__ignoreMap":5201},[5205,6339,6340,6342,6344,6346,6348,6350,6352,6354,6356,6358,6360,6362],{"class":5207,"line":5208},[5205,6341,5984],{"class":5233},[5205,6343,5253],{"class":5226},[5205,6345,6008],{"class":5256},[5205,6347,5260],{"class":5226},[5205,6349,6013],{"class":5256},[5205,6351,5585],{"class":5226},[5205,6353,5400],{"class":5243},[5205,6355,5260],{"class":5226},[5205,6357,6022],{"class":5243},[5205,6359,5501],{"class":5226},[5205,6361,5504],{"class":5218},[5205,6363,5516],{"class":5226},[5205,6365,6366,6368,6370,6372],{"class":5207,"line":5215},[5205,6367,5304],{"class":5303},[5205,6369,5184],{"class":5226},[5205,6371,5400],{"class":5243},[5205,6373,5323],{"class":5226},[5205,6375,6376],{"class":5207,"line":5240},[5205,6377,6378],{"class":5211},"    \u002F\u002F Обробка помилки читання файлу\n",[5205,6380,6381,6383,6385,6387,6389,6392,6394,6396],{"class":5207,"line":5269},[5205,6382,5329],{"class":5243},[5205,6384,5247],{"class":5226},[5205,6386,5400],{"class":5233},[5205,6388,5253],{"class":5226},[5205,6390,6391],{"class":5256},"'Помилка файлової системи:'",[5205,6393,5260],{"class":5226},[5205,6395,5400],{"class":5243},[5205,6397,5266],{"class":5226},[5205,6399,6400,6402],{"class":5207,"line":5276},[5205,6401,6071],{"class":5303},[5205,6403,5543],{"class":5226},[5205,6405,6406],{"class":5207,"line":5294},[5205,6407,5356],{"class":5226},[5205,6409,6410],{"class":5207,"line":5300},[5205,6411,5705],{"class":5226},[5205,6413,6414,6416],{"class":5207,"line":5326},[5205,6415,6095],{"class":5303},[5205,6417,5516],{"class":5226},[5205,6419,6420,6422,6424,6426,6428,6430,6432,6434,6436],{"class":5207,"line":5353},[5205,6421,5722],{"class":5218},[5205,6423,6104],{"class":5222},[5205,6425,5227],{"class":5226},[5205,6427,6109],{"class":5222},[5205,6429,5247],{"class":5226},[5205,6431,6114],{"class":5233},[5205,6433,5253],{"class":5226},[5205,6435,6022],{"class":5243},[5205,6437,5266],{"class":5226},[5205,6439,6440,6442,6444,6446,6448,6450],{"class":5207,"line":5359},[5205,6441,5329],{"class":5243},[5205,6443,5247],{"class":5226},[5205,6445,5334],{"class":5233},[5205,6447,5253],{"class":5226},[5205,6449,6138],{"class":5243},[5205,6451,5266],{"class":5226},[5205,6453,6454,6456,6458,6460,6462],{"class":5207,"line":5365},[5205,6455,6145],{"class":5226},[5205,6457,6148],{"class":5303},[5205,6459,5184],{"class":5226},[5205,6461,6153],{"class":5243},[5205,6463,5323],{"class":5226},[5205,6465,6466],{"class":5207,"line":5370},[5205,6467,6468],{"class":5211},"    \u002F\u002F Обробка помилки парсингу JSON\n",[5205,6470,6471,6473,6475,6477,6479,6482,6484,6486],{"class":5207,"line":5386},[5205,6472,5329],{"class":5243},[5205,6474,5247],{"class":5226},[5205,6476,5400],{"class":5233},[5205,6478,5253],{"class":5226},[5205,6480,6481],{"class":5256},"'Помилка парсингу:'",[5205,6483,5260],{"class":5226},[5205,6485,6153],{"class":5243},[5205,6487,5266],{"class":5226},[5205,6489,6490],{"class":5207,"line":5392},[5205,6491,5356],{"class":5226},[5205,6493,6494],{"class":5207,"line":5410},[5205,6495,5616],{"class":5226},[5161,6497,6499],{"id":6498},"вкладені-callback-та-народження-callback-hell","Вкладені callback та народження Callback Hell",[5166,6501,6502],{},"Реальні застосунки рідко виконують лише одну асинхронну операцію. Частіше виникає необхідність виконати кілька послідовних асинхронних дій, де кожна наступна залежить від результату попередньої. Наприклад:",[6187,6504,6505,6508,6511,6514],{},[5095,6506,6507],{},"Прочитати конфігурацію з файлу.",[5095,6509,6510],{},"Підключитися до бази даних, використовуючи параметри з конфігурації.",[5095,6512,6513],{},"Виконати SQL-запит для отримання даних користувача.",[5095,6515,6516],{},"Записати отримані дані у лог-файл.",[5166,6518,6519],{},"У callback-based підході кожна наступна операція розміщується всередині callback попередньої:",[5196,6521,6523],{"className":5198,"code":6522,"language":5200,"meta":5201,"style":5201},"import { readFile, writeFile } from 'node:fs';\nimport { Client } from 'pg'; \u002F\u002F PostgreSQL клієнт\n\nreadFile('.\u002Fconfig.json', 'utf-8', (configError, configData) => {\n  if (configError) {\n    console.error('Помилка читання конфігурації:', configError);\n    return;\n  }\n  \n  const config = JSON.parse(configData);\n  const client = new Client({\n    host: config.database.host,\n    port: config.database.port,\n    database: config.database.name,\n  });\n  \n  client.connect((connectError) => {\n    if (connectError) {\n      console.error('Помилка підключення до БД:', connectError);\n      return;\n    }\n    \n    client.query('SELECT * FROM users WHERE id = $1', [42], (queryError, result) => {\n      if (queryError) {\n        console.error('Помилка виконання запиту:', queryError);\n        client.end();\n        return;\n      }\n      \n      const userData = JSON.stringify(result.rows[0], null, 2);\n      \n      writeFile('.\u002Fuser-42.json', userData, 'utf-8', (writeError) => {\n        if (writeError) {\n          console.error('Помилка запису файлу:', writeError);\n        } else {\n          console.log('Дані користувача збережено у файл');\n        }\n        \n        client.end(); \u002F\u002F Закриваємо з'єднання\n      });\n    });\n  });\n});\n",[5138,6524,6525,6546,6567,6571,6599,6609,6628,6634,6638,6642,6662,6679,6699,6717,6734,6738,6742,6764,6776,6797,6805,6811,6817,6855,6867,6888,6901,6909,6915,6921,6966,6971,7002,7014,7035,7046,7062,7068,7074,7089,7095,7101,7106],{"__ignoreMap":5201},[5205,6526,6527,6529,6531,6533,6535,6538,6540,6542,6544],{"class":5207,"line":5208},[5205,6528,5978],{"class":5303},[5205,6530,5981],{"class":5226},[5205,6532,5984],{"class":5243},[5205,6534,5260],{"class":5226},[5205,6536,6537],{"class":5243},"writeFile",[5205,6539,5987],{"class":5226},[5205,6541,5990],{"class":5303},[5205,6543,5993],{"class":5256},[5205,6545,5543],{"class":5226},[5205,6547,6548,6550,6552,6555,6557,6559,6562,6564],{"class":5207,"line":5215},[5205,6549,5978],{"class":5303},[5205,6551,5981],{"class":5226},[5205,6553,6554],{"class":5243},"Client",[5205,6556,5987],{"class":5226},[5205,6558,5990],{"class":5303},[5205,6560,6561],{"class":5256}," 'pg'",[5205,6563,6074],{"class":5226},[5205,6565,6566],{"class":5211},"\u002F\u002F PostgreSQL клієнт\n",[5205,6568,6569],{"class":5207,"line":5240},[5205,6570,5273],{"emptyLinePlaceholder":5272},[5205,6572,6573,6575,6577,6579,6581,6583,6585,6588,6590,6593,6595,6597],{"class":5207,"line":5269},[5205,6574,5984],{"class":5233},[5205,6576,5253],{"class":5226},[5205,6578,6008],{"class":5256},[5205,6580,5260],{"class":5226},[5205,6582,6013],{"class":5256},[5205,6584,5585],{"class":5226},[5205,6586,6587],{"class":5243},"configError",[5205,6589,5260],{"class":5226},[5205,6591,6592],{"class":5243},"configData",[5205,6594,5501],{"class":5226},[5205,6596,5504],{"class":5218},[5205,6598,5516],{"class":5226},[5205,6600,6601,6603,6605,6607],{"class":5207,"line":5276},[5205,6602,5304],{"class":5303},[5205,6604,5184],{"class":5226},[5205,6606,6587],{"class":5243},[5205,6608,5323],{"class":5226},[5205,6610,6611,6613,6615,6617,6619,6622,6624,6626],{"class":5207,"line":5294},[5205,6612,5329],{"class":5243},[5205,6614,5247],{"class":5226},[5205,6616,5400],{"class":5233},[5205,6618,5253],{"class":5226},[5205,6620,6621],{"class":5256},"'Помилка читання конфігурації:'",[5205,6623,5260],{"class":5226},[5205,6625,6587],{"class":5243},[5205,6627,5266],{"class":5226},[5205,6629,6630,6632],{"class":5207,"line":5300},[5205,6631,6071],{"class":5303},[5205,6633,5543],{"class":5226},[5205,6635,6636],{"class":5207,"line":5326},[5205,6637,5356],{"class":5226},[5205,6639,6640],{"class":5207,"line":5353},[5205,6641,5705],{"class":5226},[5205,6643,6644,6646,6648,6650,6652,6654,6656,6658,6660],{"class":5207,"line":5359},[5205,6645,5521],{"class":5218},[5205,6647,6104],{"class":5222},[5205,6649,5227],{"class":5226},[5205,6651,6109],{"class":5222},[5205,6653,5247],{"class":5226},[5205,6655,6114],{"class":5233},[5205,6657,5253],{"class":5226},[5205,6659,6592],{"class":5243},[5205,6661,5266],{"class":5226},[5205,6663,6664,6666,6669,6671,6673,6676],{"class":5207,"line":5365},[5205,6665,5521],{"class":5218},[5205,6667,6668],{"class":5222}," client",[5205,6670,5227],{"class":5226},[5205,6672,5230],{"class":5218},[5205,6674,6675],{"class":5233}," Client",[5205,6677,6678],{"class":5226},"({\n",[5205,6680,6681,6684,6686,6688,6691,6693,6696],{"class":5207,"line":5370},[5205,6682,6683],{"class":5243},"    host:",[5205,6685,6104],{"class":5243},[5205,6687,5247],{"class":5226},[5205,6689,6690],{"class":5243},"database",[5205,6692,5247],{"class":5226},[5205,6694,6695],{"class":5243},"host",[5205,6697,6698],{"class":5226},",\n",[5205,6700,6701,6704,6706,6708,6710,6712,6715],{"class":5207,"line":5386},[5205,6702,6703],{"class":5243},"    port:",[5205,6705,6104],{"class":5243},[5205,6707,5247],{"class":5226},[5205,6709,6690],{"class":5243},[5205,6711,5247],{"class":5226},[5205,6713,6714],{"class":5243},"port",[5205,6716,6698],{"class":5226},[5205,6718,6719,6722,6724,6726,6728,6730,6732],{"class":5207,"line":5392},[5205,6720,6721],{"class":5243},"    database:",[5205,6723,6104],{"class":5243},[5205,6725,5247],{"class":5226},[5205,6727,6690],{"class":5243},[5205,6729,5247],{"class":5226},[5205,6731,5476],{"class":5243},[5205,6733,6698],{"class":5226},[5205,6735,6736],{"class":5207,"line":5410},[5205,6737,6290],{"class":5226},[5205,6739,6740],{"class":5207,"line":5415},[5205,6741,5705],{"class":5226},[5205,6743,6744,6747,6749,6752,6755,6758,6760,6762],{"class":5207,"line":5420},[5205,6745,6746],{"class":5243},"  client",[5205,6748,5247],{"class":5226},[5205,6750,6751],{"class":5233},"connect",[5205,6753,6754],{"class":5226},"((",[5205,6756,6757],{"class":5243},"connectError",[5205,6759,5501],{"class":5226},[5205,6761,5504],{"class":5218},[5205,6763,5516],{"class":5226},[5205,6765,6767,6770,6772,6774],{"class":5207,"line":6766},18,[5205,6768,6769],{"class":5303},"    if",[5205,6771,5184],{"class":5226},[5205,6773,6757],{"class":5243},[5205,6775,5323],{"class":5226},[5205,6777,6779,6782,6784,6786,6788,6791,6793,6795],{"class":5207,"line":6778},19,[5205,6780,6781],{"class":5243},"      console",[5205,6783,5247],{"class":5226},[5205,6785,5400],{"class":5233},[5205,6787,5253],{"class":5226},[5205,6789,6790],{"class":5256},"'Помилка підключення до БД:'",[5205,6792,5260],{"class":5226},[5205,6794,6757],{"class":5243},[5205,6796,5266],{"class":5226},[5205,6798,6800,6803],{"class":5207,"line":6799},20,[5205,6801,6802],{"class":5303},"      return",[5205,6804,5543],{"class":5226},[5205,6806,6808],{"class":5207,"line":6807},21,[5205,6809,6810],{"class":5226},"    }\n",[5205,6812,6814],{"class":5207,"line":6813},22,[5205,6815,6816],{"class":5226},"    \n",[5205,6818,6820,6823,6825,6828,6830,6833,6836,6839,6842,6845,6847,6849,6851,6853],{"class":5207,"line":6819},23,[5205,6821,6822],{"class":5243},"    client",[5205,6824,5247],{"class":5226},[5205,6826,6827],{"class":5233},"query",[5205,6829,5253],{"class":5226},[5205,6831,6832],{"class":5256},"'SELECT * FROM users WHERE id = $1'",[5205,6834,6835],{"class":5226},", [",[5205,6837,6838],{"class":5319},"42",[5205,6840,6841],{"class":5226},"], (",[5205,6843,6844],{"class":5243},"queryError",[5205,6846,5260],{"class":5226},[5205,6848,5935],{"class":5243},[5205,6850,5501],{"class":5226},[5205,6852,5504],{"class":5218},[5205,6854,5516],{"class":5226},[5205,6856,6858,6861,6863,6865],{"class":5207,"line":6857},24,[5205,6859,6860],{"class":5303},"      if",[5205,6862,5184],{"class":5226},[5205,6864,6844],{"class":5243},[5205,6866,5323],{"class":5226},[5205,6868,6870,6873,6875,6877,6879,6882,6884,6886],{"class":5207,"line":6869},25,[5205,6871,6872],{"class":5243},"        console",[5205,6874,5247],{"class":5226},[5205,6876,5400],{"class":5233},[5205,6878,5253],{"class":5226},[5205,6880,6881],{"class":5256},"'Помилка виконання запиту:'",[5205,6883,5260],{"class":5226},[5205,6885,6844],{"class":5243},[5205,6887,5266],{"class":5226},[5205,6889,6891,6894,6896,6899],{"class":5207,"line":6890},26,[5205,6892,6893],{"class":5243},"        client",[5205,6895,5247],{"class":5226},[5205,6897,6898],{"class":5233},"end",[5205,6900,5237],{"class":5226},[5205,6902,6904,6907],{"class":5207,"line":6903},27,[5205,6905,6906],{"class":5303},"        return",[5205,6908,5543],{"class":5226},[5205,6910,6912],{"class":5207,"line":6911},28,[5205,6913,6914],{"class":5226},"      }\n",[5205,6916,6918],{"class":5207,"line":6917},29,[5205,6919,6920],{"class":5226},"      \n",[5205,6922,6924,6927,6930,6932,6934,6936,6939,6941,6943,6945,6948,6951,6954,6957,6959,6961,6964],{"class":5207,"line":6923},30,[5205,6925,6926],{"class":5218},"      const",[5205,6928,6929],{"class":5222}," userData",[5205,6931,5227],{"class":5226},[5205,6933,6109],{"class":5222},[5205,6935,5247],{"class":5226},[5205,6937,6938],{"class":5233},"stringify",[5205,6940,5253],{"class":5226},[5205,6942,5935],{"class":5243},[5205,6944,5247],{"class":5226},[5205,6946,6947],{"class":5243},"rows",[5205,6949,6950],{"class":5226},"[",[5205,6952,6953],{"class":5319},"0",[5205,6955,6956],{"class":5226},"], ",[5205,6958,5140],{"class":5218},[5205,6960,5260],{"class":5226},[5205,6962,6963],{"class":5319},"2",[5205,6965,5266],{"class":5226},[5205,6967,6969],{"class":5207,"line":6968},31,[5205,6970,6920],{"class":5226},[5205,6972,6974,6977,6979,6982,6984,6987,6989,6991,6993,6996,6998,7000],{"class":5207,"line":6973},32,[5205,6975,6976],{"class":5233},"      writeFile",[5205,6978,5253],{"class":5226},[5205,6980,6981],{"class":5256},"'.\u002Fuser-42.json'",[5205,6983,5260],{"class":5226},[5205,6985,6986],{"class":5243},"userData",[5205,6988,5260],{"class":5226},[5205,6990,6013],{"class":5256},[5205,6992,5585],{"class":5226},[5205,6994,6995],{"class":5243},"writeError",[5205,6997,5501],{"class":5226},[5205,6999,5504],{"class":5218},[5205,7001,5516],{"class":5226},[5205,7003,7005,7008,7010,7012],{"class":5207,"line":7004},33,[5205,7006,7007],{"class":5303},"        if",[5205,7009,5184],{"class":5226},[5205,7011,6995],{"class":5243},[5205,7013,5323],{"class":5226},[5205,7015,7017,7020,7022,7024,7026,7029,7031,7033],{"class":5207,"line":7016},34,[5205,7018,7019],{"class":5243},"          console",[5205,7021,5247],{"class":5226},[5205,7023,5400],{"class":5233},[5205,7025,5253],{"class":5226},[5205,7027,7028],{"class":5256},"'Помилка запису файлу:'",[5205,7030,5260],{"class":5226},[5205,7032,6995],{"class":5243},[5205,7034,5266],{"class":5226},[5205,7036,7038,7041,7044],{"class":5207,"line":7037},35,[5205,7039,7040],{"class":5226},"        } ",[5205,7042,7043],{"class":5303},"else",[5205,7045,5516],{"class":5226},[5205,7047,7049,7051,7053,7055,7057,7060],{"class":5207,"line":7048},36,[5205,7050,7019],{"class":5243},[5205,7052,5247],{"class":5226},[5205,7054,5334],{"class":5233},[5205,7056,5253],{"class":5226},[5205,7058,7059],{"class":5256},"'Дані користувача збережено у файл'",[5205,7061,5266],{"class":5226},[5205,7063,7065],{"class":5207,"line":7064},37,[5205,7066,7067],{"class":5226},"        }\n",[5205,7069,7071],{"class":5207,"line":7070},38,[5205,7072,7073],{"class":5226},"        \n",[5205,7075,7077,7079,7081,7083,7086],{"class":5207,"line":7076},39,[5205,7078,6893],{"class":5243},[5205,7080,5247],{"class":5226},[5205,7082,6898],{"class":5233},[5205,7084,7085],{"class":5226},"(); ",[5205,7087,7088],{"class":5211},"\u002F\u002F Закриваємо з'єднання\n",[5205,7090,7092],{"class":5207,"line":7091},40,[5205,7093,7094],{"class":5226},"      });\n",[5205,7096,7098],{"class":5207,"line":7097},41,[5205,7099,7100],{"class":5226},"    });\n",[5205,7102,7104],{"class":5207,"line":7103},42,[5205,7105,6290],{"class":5226},[5205,7107,7109],{"class":5207,"line":7108},43,[5205,7110,5616],{"class":5226},[5166,7112,7113,7114,5184,7117,7119,7120,5184,7122,5108],{},"Цей код функціонально коректний, але має серйозні проблеми з читабельністю та підтримкою. Кожен рівень вкладеності додає індентацію, утворюючи характерну піраміду коду, яку жартома називають ",[5123,7115,7116],{},"Callback Hell",[5105,7118,5149],{},") або ",[5123,7121,5107],{},[5105,7123,7124],{},"піраміда приречених",[7126,7127,7129],"plant-uml",{"alt":7128},"Структура вкладених callback",[5196,7130,7134],{"className":7131,"code":7132,"language":7133,"meta":5201,"style":5201},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\nrectangle \"readFile('.\u002Fconfig.json', callback)\" as R1 #DBEAFE {\n  rectangle \"client.connect(callback)\" as R2 #E2E8F0 {\n    rectangle \"client.query(sql, callback)\" as R3 #FEF3C7 {\n      rectangle R4 #DCFCE7 [\n      writeFile('.\u002Fuser-42.json', callback)\n      --\n      4 рівні вкладеності\n      ]\n    }\n  }\n}\n\n@enduml\n","plantuml",[5138,7135,7136,7141,7146,7151,7155,7160,7165,7170,7175,7180,7185,7190,7195,7199,7203,7207,7211],{"__ignoreMap":5201},[5205,7137,7138],{"class":5207,"line":5208},[5205,7139,7140],{},"@startuml\n",[5205,7142,7143],{"class":5207,"line":5215},[5205,7144,7145],{},"skinparam style plain\n",[5205,7147,7148],{"class":5207,"line":5240},[5205,7149,7150],{},"skinparam backgroundColor #FFFFFF\n",[5205,7152,7153],{"class":5207,"line":5269},[5205,7154,5273],{"emptyLinePlaceholder":5272},[5205,7156,7157],{"class":5207,"line":5276},[5205,7158,7159],{},"rectangle \"readFile('.\u002Fconfig.json', callback)\" as R1 #DBEAFE {\n",[5205,7161,7162],{"class":5207,"line":5294},[5205,7163,7164],{},"  rectangle \"client.connect(callback)\" as R2 #E2E8F0 {\n",[5205,7166,7167],{"class":5207,"line":5300},[5205,7168,7169],{},"    rectangle \"client.query(sql, callback)\" as R3 #FEF3C7 {\n",[5205,7171,7172],{"class":5207,"line":5326},[5205,7173,7174],{},"      rectangle R4 #DCFCE7 [\n",[5205,7176,7177],{"class":5207,"line":5353},[5205,7178,7179],{},"      writeFile('.\u002Fuser-42.json', callback)\n",[5205,7181,7182],{"class":5207,"line":5359},[5205,7183,7184],{},"      --\n",[5205,7186,7187],{"class":5207,"line":5365},[5205,7188,7189],{},"      4 рівні вкладеності\n",[5205,7191,7192],{"class":5207,"line":5370},[5205,7193,7194],{},"      ]\n",[5205,7196,7197],{"class":5207,"line":5386},[5205,7198,6810],{},[5205,7200,7201],{"class":5207,"line":5392},[5205,7202,5356],{},[5205,7204,7205],{"class":5207,"line":5410},[5205,7206,5563],{},[5205,7208,7209],{"class":5207,"line":5415},[5205,7210,5273],{"emptyLinePlaceholder":5272},[5205,7212,7213],{"class":5207,"line":5420},[5205,7214,7215],{},"@enduml\n",[5166,7217,7218],{},"Проблеми цього коду:",[6187,7220,7221,7227,7233,7239],{},[5095,7222,7223,7226],{},[5123,7224,7225],{},"Погана читабельність:"," код «дрейфує» вправо з кожною новою операцією, що ускладнює відстеження логіки виконання.",[5095,7228,7229,7232],{},[5123,7230,7231],{},"Дублювання обробки помилок:"," кожен callback містить власний блок перевірки помилок, що призводить до повторюваного коду.",[5095,7234,7235,7238],{},[5123,7236,7237],{},"Складність рефакторингу:"," виділення частини логіки у окрему функцію вимагає передачі контексту через додаткові параметри.",[5095,7240,7241,7244,7245,7247],{},[5123,7242,7243],{},"Проблеми з потоком керування:"," забути ",[5138,7246,5637],{}," після обробки помилки — типова помилка, що призводить до виконання коду у некоректному стані.",[7249,7250,7251,7252,7255,7256,7259],"caution",{},"У наведеному прикладі легко забути закрити з'єднання з базою даних (",[5138,7253,7254],{},"client.end()",") у разі помилки на проміжному етапі. Це призводить до витоку ресурсів (",[5105,7257,7258],{},"resource leak",") — незакриті з'єднання накопичуються, і врешті-решт сервер вичерпує пул підключень до бази даних.",[5161,7261,7263],{"id":7262},"проблема-забутого-return-після-callback","Проблема «забутого return» після callback",[5166,7265,7266,7267,7269],{},"Однією з найпідступніших помилок у callback-based коді є відсутність ",[5138,7268,5637],{}," після виклику callback у гілці обробки помилки. Розглянемо приклад:",[5196,7271,7273],{"className":5198,"code":7272,"language":5200,"meta":5201,"style":5201},"import { readFile } from 'node:fs';\n\nfunction loadUserData(userId: number, callback: (error: Error | null, user?: any) => void): void {\n  readFile(`.\u002Fusers\u002F${userId}.json`, 'utf-8', (error, data) => {\n    if (error) {\n      callback(error); \u002F\u002F ❌ ПОМИЛКА: немає return\n      \u002F\u002F Виконання продовжується далі!\n    }\n    \n    \u002F\u002F Цей код виконається навіть у разі помилки\n    const user = JSON.parse(data); \u002F\u002F TypeError: Cannot read property 'parse' of undefined\n    callback(null, user); \u002F\u002F callback викликається вдруге!\n  });\n}\n",[5138,7274,7275,7291,7295,7350,7386,7396,7410,7415,7419,7423,7428,7452,7469,7473],{"__ignoreMap":5201},[5205,7276,7277,7279,7281,7283,7285,7287,7289],{"class":5207,"line":5208},[5205,7278,5978],{"class":5303},[5205,7280,5981],{"class":5226},[5205,7282,5984],{"class":5243},[5205,7284,5987],{"class":5226},[5205,7286,5990],{"class":5303},[5205,7288,5993],{"class":5256},[5205,7290,5543],{"class":5226},[5205,7292,7293],{"class":5207,"line":5215},[5205,7294,5273],{"emptyLinePlaceholder":5272},[5205,7296,7297,7299,7302,7304,7307,7309,7312,7314,7316,7318,7320,7322,7324,7326,7328,7330,7333,7335,7338,7340,7342,7344,7346,7348],{"class":5207,"line":5240},[5205,7298,5288],{"class":5218},[5205,7300,7301],{"class":5233}," loadUserData",[5205,7303,5253],{"class":5226},[5205,7305,7306],{"class":5243},"userId",[5205,7308,5479],{"class":5226},[5205,7310,7311],{"class":5482},"number",[5205,7313,5260],{"class":5226},[5205,7315,5488],{"class":5233},[5205,7317,5491],{"class":5226},[5205,7319,5400],{"class":5243},[5205,7321,5479],{"class":5226},[5205,7323,5925],{"class":5482},[5205,7325,5928],{"class":5226},[5205,7327,5140],{"class":5482},[5205,7329,5260],{"class":5226},[5205,7331,7332],{"class":5243},"user",[5205,7334,5938],{"class":5226},[5205,7336,7337],{"class":5482},"any",[5205,7339,5501],{"class":5226},[5205,7341,5504],{"class":5218},[5205,7343,5507],{"class":5482},[5205,7345,5510],{"class":5226},[5205,7347,5513],{"class":5482},[5205,7349,5516],{"class":5226},[5205,7351,7352,7354,7356,7359,7361,7363,7365,7368,7370,7372,7374,7376,7378,7380,7382,7384],{"class":5207,"line":5269},[5205,7353,6242],{"class":5233},[5205,7355,5253],{"class":5226},[5205,7357,7358],{"class":5256},"`.\u002Fusers\u002F",[5205,7360,5532],{"class":5218},[5205,7362,7306],{"class":5243},[5205,7364,5537],{"class":5218},[5205,7366,7367],{"class":5256},".json`",[5205,7369,5260],{"class":5226},[5205,7371,6013],{"class":5256},[5205,7373,5585],{"class":5226},[5205,7375,5400],{"class":5243},[5205,7377,5260],{"class":5226},[5205,7379,6022],{"class":5243},[5205,7381,5501],{"class":5226},[5205,7383,5504],{"class":5218},[5205,7385,5516],{"class":5226},[5205,7387,7388,7390,7392,7394],{"class":5207,"line":5276},[5205,7389,6769],{"class":5303},[5205,7391,5184],{"class":5226},[5205,7393,5400],{"class":5243},[5205,7395,5323],{"class":5226},[5205,7397,7398,7401,7403,7405,7407],{"class":5207,"line":5294},[5205,7399,7400],{"class":5233},"      callback",[5205,7402,5253],{"class":5226},[5205,7404,5400],{"class":5243},[5205,7406,5555],{"class":5226},[5205,7408,7409],{"class":5211},"\u002F\u002F ❌ ПОМИЛКА: немає return\n",[5205,7411,7412],{"class":5207,"line":5300},[5205,7413,7414],{"class":5211},"      \u002F\u002F Виконання продовжується далі!\n",[5205,7416,7417],{"class":5207,"line":5326},[5205,7418,6810],{"class":5226},[5205,7420,7421],{"class":5207,"line":5353},[5205,7422,6816],{"class":5226},[5205,7424,7425],{"class":5207,"line":5359},[5205,7426,7427],{"class":5211},"    \u002F\u002F Цей код виконається навіть у разі помилки\n",[5205,7429,7430,7432,7435,7437,7439,7441,7443,7445,7447,7449],{"class":5207,"line":5365},[5205,7431,5722],{"class":5218},[5205,7433,7434],{"class":5222}," user",[5205,7436,5227],{"class":5226},[5205,7438,6109],{"class":5222},[5205,7440,5247],{"class":5226},[5205,7442,6114],{"class":5233},[5205,7444,5253],{"class":5226},[5205,7446,6022],{"class":5243},[5205,7448,5555],{"class":5226},[5205,7450,7451],{"class":5211},"\u002F\u002F TypeError: Cannot read property 'parse' of undefined\n",[5205,7453,7454,7456,7458,7460,7462,7464,7466],{"class":5207,"line":5370},[5205,7455,5744],{"class":5233},[5205,7457,5253],{"class":5226},[5205,7459,5140],{"class":5218},[5205,7461,5260],{"class":5226},[5205,7463,7332],{"class":5243},[5205,7465,5555],{"class":5226},[5205,7467,7468],{"class":5211},"\u002F\u002F callback викликається вдруге!\n",[5205,7470,7471],{"class":5207,"line":5386},[5205,7472,6290],{"class":5226},[5205,7474,7475],{"class":5207,"line":5392},[5205,7476,5563],{"class":5226},[5166,7478,7479,7480,7482,7483,7486,7487,7489,7490,7493],{},"У цьому коді відсутній ",[5138,7481,5637],{}," після виклику ",[5138,7484,7485],{},"callback(error)",". Це означає, що навіть якщо сталася помилка читання файлу, виконання продовжиться далі, і спроба парсингу ",[5138,7488,5960],{}," призведе до виключення. Більш того, callback буде викликано ",[5123,7491,7492],{},"двічі",": спочатку з помилкою, потім з виключенням парсингу.",[5166,7495,7496],{},"Правильний варіант:",[5196,7498,7500],{"className":5198,"code":7499,"language":5200,"meta":5201,"style":5201},"function loadUserData(userId: number, callback: (error: Error | null, user?: any) => void): void {\n  readFile(`.\u002Fusers\u002F${userId}.json`, 'utf-8', (error, data) => {\n    if (error) {\n      callback(error);\n      return; \u002F\u002F ✅ Припиняємо виконання функції\n    }\n    \n    try {\n      const user = JSON.parse(data);\n      callback(null, user);\n    } catch (parseError) {\n      callback(parseError as Error);\n    }\n  });\n}\n",[5138,7501,7502,7552,7586,7596,7606,7615,7619,7623,7630,7650,7664,7677,7692,7696,7700],{"__ignoreMap":5201},[5205,7503,7504,7506,7508,7510,7512,7514,7516,7518,7520,7522,7524,7526,7528,7530,7532,7534,7536,7538,7540,7542,7544,7546,7548,7550],{"class":5207,"line":5208},[5205,7505,5288],{"class":5218},[5205,7507,7301],{"class":5233},[5205,7509,5253],{"class":5226},[5205,7511,7306],{"class":5243},[5205,7513,5479],{"class":5226},[5205,7515,7311],{"class":5482},[5205,7517,5260],{"class":5226},[5205,7519,5488],{"class":5233},[5205,7521,5491],{"class":5226},[5205,7523,5400],{"class":5243},[5205,7525,5479],{"class":5226},[5205,7527,5925],{"class":5482},[5205,7529,5928],{"class":5226},[5205,7531,5140],{"class":5482},[5205,7533,5260],{"class":5226},[5205,7535,7332],{"class":5243},[5205,7537,5938],{"class":5226},[5205,7539,7337],{"class":5482},[5205,7541,5501],{"class":5226},[5205,7543,5504],{"class":5218},[5205,7545,5507],{"class":5482},[5205,7547,5510],{"class":5226},[5205,7549,5513],{"class":5482},[5205,7551,5516],{"class":5226},[5205,7553,7554,7556,7558,7560,7562,7564,7566,7568,7570,7572,7574,7576,7578,7580,7582,7584],{"class":5207,"line":5215},[5205,7555,6242],{"class":5233},[5205,7557,5253],{"class":5226},[5205,7559,7358],{"class":5256},[5205,7561,5532],{"class":5218},[5205,7563,7306],{"class":5243},[5205,7565,5537],{"class":5218},[5205,7567,7367],{"class":5256},[5205,7569,5260],{"class":5226},[5205,7571,6013],{"class":5256},[5205,7573,5585],{"class":5226},[5205,7575,5400],{"class":5243},[5205,7577,5260],{"class":5226},[5205,7579,6022],{"class":5243},[5205,7581,5501],{"class":5226},[5205,7583,5504],{"class":5218},[5205,7585,5516],{"class":5226},[5205,7587,7588,7590,7592,7594],{"class":5207,"line":5240},[5205,7589,6769],{"class":5303},[5205,7591,5184],{"class":5226},[5205,7593,5400],{"class":5243},[5205,7595,5323],{"class":5226},[5205,7597,7598,7600,7602,7604],{"class":5207,"line":5269},[5205,7599,7400],{"class":5233},[5205,7601,5253],{"class":5226},[5205,7603,5400],{"class":5243},[5205,7605,5266],{"class":5226},[5205,7607,7608,7610,7612],{"class":5207,"line":5276},[5205,7609,6802],{"class":5303},[5205,7611,6074],{"class":5226},[5205,7613,7614],{"class":5211},"\u002F\u002F ✅ Припиняємо виконання функції\n",[5205,7616,7617],{"class":5207,"line":5294},[5205,7618,6810],{"class":5226},[5205,7620,7621],{"class":5207,"line":5300},[5205,7622,6816],{"class":5226},[5205,7624,7625,7628],{"class":5207,"line":5326},[5205,7626,7627],{"class":5303},"    try",[5205,7629,5516],{"class":5226},[5205,7631,7632,7634,7636,7638,7640,7642,7644,7646,7648],{"class":5207,"line":5353},[5205,7633,6926],{"class":5218},[5205,7635,7434],{"class":5222},[5205,7637,5227],{"class":5226},[5205,7639,6109],{"class":5222},[5205,7641,5247],{"class":5226},[5205,7643,6114],{"class":5233},[5205,7645,5253],{"class":5226},[5205,7647,6022],{"class":5243},[5205,7649,5266],{"class":5226},[5205,7651,7652,7654,7656,7658,7660,7662],{"class":5207,"line":5359},[5205,7653,7400],{"class":5233},[5205,7655,5253],{"class":5226},[5205,7657,5140],{"class":5218},[5205,7659,5260],{"class":5226},[5205,7661,7332],{"class":5243},[5205,7663,5266],{"class":5226},[5205,7665,7666,7669,7671,7673,7675],{"class":5207,"line":5365},[5205,7667,7668],{"class":5226},"    } ",[5205,7670,6148],{"class":5303},[5205,7672,5184],{"class":5226},[5205,7674,6153],{"class":5243},[5205,7676,5323],{"class":5226},[5205,7678,7679,7681,7683,7685,7688,7690],{"class":5207,"line":5370},[5205,7680,7400],{"class":5233},[5205,7682,5253],{"class":5226},[5205,7684,6153],{"class":5243},[5205,7686,7687],{"class":5303}," as",[5205,7689,6275],{"class":5482},[5205,7691,5266],{"class":5226},[5205,7693,7694],{"class":5207,"line":5386},[5205,7695,6810],{"class":5226},[5205,7697,7698],{"class":5207,"line":5392},[5205,7699,6290],{"class":5226},[5205,7701,7702],{"class":5207,"line":5410},[5205,7703,5563],{"class":5226},[5166,7705,7706,7707,5129],{},"Або альтернативний стиль із раннім виходом (",[5105,7708,7709],{},"early return",[5196,7711,7713],{"className":5198,"code":7712,"language":5200,"meta":5201,"style":5201},"function loadUserData(userId: number, callback: (error: Error | null, user?: any) => void): void {\n  readFile(`.\u002Fusers\u002F${userId}.json`, 'utf-8', (error, data) => {\n    if (error) return callback(error); \u002F\u002F ✅ Одним рядком\n    \n    try {\n      const user = JSON.parse(data);\n      callback(null, user);\n    } catch (parseError) {\n      callback(parseError as Error);\n    }\n  });\n}\n",[5138,7714,7715,7765,7799,7823,7827,7833,7853,7867,7879,7893,7897,7901],{"__ignoreMap":5201},[5205,7716,7717,7719,7721,7723,7725,7727,7729,7731,7733,7735,7737,7739,7741,7743,7745,7747,7749,7751,7753,7755,7757,7759,7761,7763],{"class":5207,"line":5208},[5205,7718,5288],{"class":5218},[5205,7720,7301],{"class":5233},[5205,7722,5253],{"class":5226},[5205,7724,7306],{"class":5243},[5205,7726,5479],{"class":5226},[5205,7728,7311],{"class":5482},[5205,7730,5260],{"class":5226},[5205,7732,5488],{"class":5233},[5205,7734,5491],{"class":5226},[5205,7736,5400],{"class":5243},[5205,7738,5479],{"class":5226},[5205,7740,5925],{"class":5482},[5205,7742,5928],{"class":5226},[5205,7744,5140],{"class":5482},[5205,7746,5260],{"class":5226},[5205,7748,7332],{"class":5243},[5205,7750,5938],{"class":5226},[5205,7752,7337],{"class":5482},[5205,7754,5501],{"class":5226},[5205,7756,5504],{"class":5218},[5205,7758,5507],{"class":5482},[5205,7760,5510],{"class":5226},[5205,7762,5513],{"class":5482},[5205,7764,5516],{"class":5226},[5205,7766,7767,7769,7771,7773,7775,7777,7779,7781,7783,7785,7787,7789,7791,7793,7795,7797],{"class":5207,"line":5215},[5205,7768,6242],{"class":5233},[5205,7770,5253],{"class":5226},[5205,7772,7358],{"class":5256},[5205,7774,5532],{"class":5218},[5205,7776,7306],{"class":5243},[5205,7778,5537],{"class":5218},[5205,7780,7367],{"class":5256},[5205,7782,5260],{"class":5226},[5205,7784,6013],{"class":5256},[5205,7786,5585],{"class":5226},[5205,7788,5400],{"class":5243},[5205,7790,5260],{"class":5226},[5205,7792,6022],{"class":5243},[5205,7794,5501],{"class":5226},[5205,7796,5504],{"class":5218},[5205,7798,5516],{"class":5226},[5205,7800,7801,7803,7805,7807,7809,7811,7814,7816,7818,7820],{"class":5207,"line":5240},[5205,7802,6769],{"class":5303},[5205,7804,5184],{"class":5226},[5205,7806,5400],{"class":5243},[5205,7808,5501],{"class":5226},[5205,7810,5637],{"class":5303},[5205,7812,7813],{"class":5233}," callback",[5205,7815,5253],{"class":5226},[5205,7817,5400],{"class":5243},[5205,7819,5555],{"class":5226},[5205,7821,7822],{"class":5211},"\u002F\u002F ✅ Одним рядком\n",[5205,7824,7825],{"class":5207,"line":5269},[5205,7826,6816],{"class":5226},[5205,7828,7829,7831],{"class":5207,"line":5276},[5205,7830,7627],{"class":5303},[5205,7832,5516],{"class":5226},[5205,7834,7835,7837,7839,7841,7843,7845,7847,7849,7851],{"class":5207,"line":5294},[5205,7836,6926],{"class":5218},[5205,7838,7434],{"class":5222},[5205,7840,5227],{"class":5226},[5205,7842,6109],{"class":5222},[5205,7844,5247],{"class":5226},[5205,7846,6114],{"class":5233},[5205,7848,5253],{"class":5226},[5205,7850,6022],{"class":5243},[5205,7852,5266],{"class":5226},[5205,7854,7855,7857,7859,7861,7863,7865],{"class":5207,"line":5300},[5205,7856,7400],{"class":5233},[5205,7858,5253],{"class":5226},[5205,7860,5140],{"class":5218},[5205,7862,5260],{"class":5226},[5205,7864,7332],{"class":5243},[5205,7866,5266],{"class":5226},[5205,7868,7869,7871,7873,7875,7877],{"class":5207,"line":5326},[5205,7870,7668],{"class":5226},[5205,7872,6148],{"class":5303},[5205,7874,5184],{"class":5226},[5205,7876,6153],{"class":5243},[5205,7878,5323],{"class":5226},[5205,7880,7881,7883,7885,7887,7889,7891],{"class":5207,"line":5353},[5205,7882,7400],{"class":5233},[5205,7884,5253],{"class":5226},[5205,7886,6153],{"class":5243},[5205,7888,7687],{"class":5303},[5205,7890,6275],{"class":5482},[5205,7892,5266],{"class":5226},[5205,7894,7895],{"class":5207,"line":5359},[5205,7896,6810],{"class":5226},[5205,7898,7899],{"class":5207,"line":5365},[5205,7900,6290],{"class":5226},[5205,7902,7903],{"class":5207,"line":5370},[5205,7904,5563],{"class":5226},[7906,7907,7908,7909,7912,7913,5247],"tip",{},"Використання ",[5138,7910,7911],{},"return callback(...)"," як єдиного виразу гарантує, що після виклику callback функція завершить виконання. Це усуває цілий клас помилок, пов'язаних із забутим ",[5138,7914,5637],{},[5161,7916,7918],{"id":7917},"інверсія-керування-втрата-контролю-над-виконанням","Інверсія керування: втрата контролю над виконанням",[5166,7920,7921,7922,5184,7925,7928],{},"Callback-based підхід має фундаментальну архітектурну проблему, яку називають ",[5123,7923,7924],{},"інверсією керування",[5105,7926,7927],{},"inversion of control","). Коли ви передаєте callback у функцію, ви передаєте їй контроль над тим, коли, скільки разів і в якому контексті цей callback буде викликано.",[5166,7930,7931],{},"Розглянемо приклад із гіпотетичною бібліотекою для обробки платежів:",[5196,7933,7935],{"className":5198,"code":7934,"language":5200,"meta":5201,"style":5201},"import { processPayment } from 'third-party-payment-lib';\n\nfunction checkout(userId: number, amount: number): void {\n  processPayment(userId, amount, (error, receipt) => {\n    if (error) {\n      console.error('Помилка платежу:', error);\n      return;\n    }\n    \n    \u002F\u002F ❌ НЕБЕЗПЕКА: ми не контролюємо, скільки разів це виконається\n    chargeCreditCard(userId, amount);\n    sendConfirmationEmail(userId, receipt);\n    updateInventory(receipt.items);\n  });\n}\n",[5138,7936,7937,7955,7959,7989,8017,8027,8046,8052,8056,8060,8065,8080,8095,8111,8115],{"__ignoreMap":5201},[5205,7938,7939,7941,7943,7946,7948,7950,7953],{"class":5207,"line":5208},[5205,7940,5978],{"class":5303},[5205,7942,5981],{"class":5226},[5205,7944,7945],{"class":5243},"processPayment",[5205,7947,5987],{"class":5226},[5205,7949,5990],{"class":5303},[5205,7951,7952],{"class":5256}," 'third-party-payment-lib'",[5205,7954,5543],{"class":5226},[5205,7956,7957],{"class":5207,"line":5215},[5205,7958,5273],{"emptyLinePlaceholder":5272},[5205,7960,7961,7963,7966,7968,7970,7972,7974,7976,7979,7981,7983,7985,7987],{"class":5207,"line":5240},[5205,7962,5288],{"class":5218},[5205,7964,7965],{"class":5233}," checkout",[5205,7967,5253],{"class":5226},[5205,7969,7306],{"class":5243},[5205,7971,5479],{"class":5226},[5205,7973,7311],{"class":5482},[5205,7975,5260],{"class":5226},[5205,7977,7978],{"class":5243},"amount",[5205,7980,5479],{"class":5226},[5205,7982,7311],{"class":5482},[5205,7984,5510],{"class":5226},[5205,7986,5513],{"class":5482},[5205,7988,5516],{"class":5226},[5205,7990,7991,7994,7996,7998,8000,8002,8004,8006,8008,8011,8013,8015],{"class":5207,"line":5269},[5205,7992,7993],{"class":5233},"  processPayment",[5205,7995,5253],{"class":5226},[5205,7997,7306],{"class":5243},[5205,7999,5260],{"class":5226},[5205,8001,7978],{"class":5243},[5205,8003,5585],{"class":5226},[5205,8005,5400],{"class":5243},[5205,8007,5260],{"class":5226},[5205,8009,8010],{"class":5243},"receipt",[5205,8012,5501],{"class":5226},[5205,8014,5504],{"class":5218},[5205,8016,5516],{"class":5226},[5205,8018,8019,8021,8023,8025],{"class":5207,"line":5276},[5205,8020,6769],{"class":5303},[5205,8022,5184],{"class":5226},[5205,8024,5400],{"class":5243},[5205,8026,5323],{"class":5226},[5205,8028,8029,8031,8033,8035,8037,8040,8042,8044],{"class":5207,"line":5294},[5205,8030,6781],{"class":5243},[5205,8032,5247],{"class":5226},[5205,8034,5400],{"class":5233},[5205,8036,5253],{"class":5226},[5205,8038,8039],{"class":5256},"'Помилка платежу:'",[5205,8041,5260],{"class":5226},[5205,8043,5400],{"class":5243},[5205,8045,5266],{"class":5226},[5205,8047,8048,8050],{"class":5207,"line":5300},[5205,8049,6802],{"class":5303},[5205,8051,5543],{"class":5226},[5205,8053,8054],{"class":5207,"line":5326},[5205,8055,6810],{"class":5226},[5205,8057,8058],{"class":5207,"line":5353},[5205,8059,6816],{"class":5226},[5205,8061,8062],{"class":5207,"line":5359},[5205,8063,8064],{"class":5211},"    \u002F\u002F ❌ НЕБЕЗПЕКА: ми не контролюємо, скільки разів це виконається\n",[5205,8066,8067,8070,8072,8074,8076,8078],{"class":5207,"line":5365},[5205,8068,8069],{"class":5233},"    chargeCreditCard",[5205,8071,5253],{"class":5226},[5205,8073,7306],{"class":5243},[5205,8075,5260],{"class":5226},[5205,8077,7978],{"class":5243},[5205,8079,5266],{"class":5226},[5205,8081,8082,8085,8087,8089,8091,8093],{"class":5207,"line":5370},[5205,8083,8084],{"class":5233},"    sendConfirmationEmail",[5205,8086,5253],{"class":5226},[5205,8088,7306],{"class":5243},[5205,8090,5260],{"class":5226},[5205,8092,8010],{"class":5243},[5205,8094,5266],{"class":5226},[5205,8096,8097,8100,8102,8104,8106,8109],{"class":5207,"line":5386},[5205,8098,8099],{"class":5233},"    updateInventory",[5205,8101,5253],{"class":5226},[5205,8103,8010],{"class":5243},[5205,8105,5247],{"class":5226},[5205,8107,8108],{"class":5243},"items",[5205,8110,5266],{"class":5226},[5205,8112,8113],{"class":5207,"line":5392},[5205,8114,6290],{"class":5226},[5205,8116,8117],{"class":5207,"line":5410},[5205,8118,5563],{"class":5226},[5166,8120,8121,8122,8124,8125,8128],{},"У цьому коді ми покладаємося на те, що бібліотека ",[5138,8123,7945],{}," коректно викличе наш callback ",[5123,8126,8127],{},"рівно один раз"," після завершення операції. Але що, якщо:",[5092,8130,8131,8134,8137,8140],{},[5095,8132,8133],{},"Бібліотека містить баг і викликає callback двічі? Користувача буде списано подвійну суму.",[5095,8135,8136],{},"Callback викликається синхронно замість асинхронно? Порушується передбачувана поведінка Event Loop.",[5095,8138,8139],{},"Callback ніколи не викликається? Платіж зависає у невизначеному стані.",[5095,8141,8142],{},"Callback викликається без параметрів або з некоректними типами? Код ламається у непередбачуваний спосіб.",[5166,8144,8145,8146,8149],{},"Проблема полягає у тому, що ",[5123,8147,8148],{},"ми не маємо жодних гарантій"," щодо поведінки сторонньої бібліотеки. Усю відповідальність за коректність асинхронного потоку виконання перекладено на розробників бібліотеки, у яких можуть бути баги або інше розуміння контракту callback.",[6215,8151,8152,8153,8156,8157,8159],{},"Інверсія керування — це фундаментальна проблема довіри (",[5105,8154,8155],{},"trust issue","). Передаючи callback, ви делегуєте критично важливу частину логіки застосунку коду, який ви не контролюєте. Проміси (",[5105,8158,5175],{},") вирішують цю проблему, повертаючи контроль розробнику через явний інтерфейс обробки результатів.",[5161,8161,8163],{"id":8162},"рефакторинг-callback-hell-іменовані-функції","Рефакторинг Callback Hell: іменовані функції",[5166,8165,8166],{},"Одним із способів пом'якшення Callback Hell є винесення вкладених callback у окремі іменовані функції. Перепишемо попередній приклад із читанням конфігурації, підключенням до бази даних та записом файлу:",[5196,8168,8170],{"className":5198,"code":8169,"language":5200,"meta":5201,"style":5201},"import { readFile, writeFile } from 'node:fs';\nimport { Client } from 'pg';\n\nfunction loadConfig(callback: (error: Error | null, config?: any) => void): void {\n  readFile('.\u002Fconfig.json', 'utf-8', (error, data) => {\n    if (error) return callback(error);\n    \n    try {\n      const config = JSON.parse(data);\n      callback(null, config);\n    } catch (parseError) {\n      callback(parseError as Error);\n    }\n  });\n}\n\nfunction connectToDatabase(config: any, callback: (error: Error | null, client?: Client) => void): void {\n  const client = new Client({\n    host: config.database.host,\n    port: config.database.port,\n    database: config.database.name,\n  });\n  \n  client.connect((error) => {\n    if (error) return callback(error);\n    callback(null, client);\n  });\n}\n\nfunction fetchUser(client: Client, userId: number, callback: (error: Error | null, user?: any) => void): void {\n  client.query('SELECT * FROM users WHERE id = $1', [userId], (error, result) => {\n    if (error) return callback(error);\n    callback(null, result.rows[0]);\n  });\n}\n\nfunction saveUserToFile(user: any, callback: (error: Error | null) => void): void {\n  const userData = JSON.stringify(user, null, 2);\n  writeFile(`.\u002Fuser-${user.id}.json`, userData, 'utf-8', callback);\n}\n\n\u002F\u002F Основна логіка\nloadConfig((error, config) => {\n  if (error) {\n    console.error('Помилка завантаження конфігурації:', error);\n    return;\n  }\n  \n  connectToDatabase(config, (error, client) => {\n    if (error) {\n      console.error('Помилка підключення до БД:', error);\n      return;\n    }\n    \n    fetchUser(client!, 42, (error, user) => {\n      if (error) {\n        console.error('Помилка отримання користувача:', error);\n        client!.end();\n        return;\n      }\n      \n      saveUserToFile(user, (error) => {\n        if (error) {\n          console.error('Помилка збереження файлу:', error);\n        } else {\n          console.log('Дані користувача збережено');\n        }\n        client!.end();\n      });\n    });\n  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логіка\n",[5205,8840,8841,8844,8846,8848,8850,8852,8854,8856],{"class":5207,"line":7108},[5205,8842,8843],{"class":5233},"loadConfig",[5205,8845,6754],{"class":5226},[5205,8847,5400],{"class":5243},[5205,8849,5260],{"class":5226},[5205,8851,6138],{"class":5243},[5205,8853,5501],{"class":5226},[5205,8855,5504],{"class":5218},[5205,8857,5516],{"class":5226},[5205,8859,8861,8863,8865,8867],{"class":5207,"line":8860},44,[5205,8862,5304],{"class":5303},[5205,8864,5184],{"class":5226},[5205,8866,5400],{"class":5243},[5205,8868,5323],{"class":5226},[5205,8870,8872,8874,8876,8878,8880,8883,8885,8887],{"class":5207,"line":8871},45,[5205,8873,5329],{"class":5243},[5205,8875,5247],{"class":5226},[5205,8877,5400],{"class":5233},[5205,8879,5253],{"class":5226},[5205,8881,8882],{"class":5256},"'Помилка завантаження конфігурації:'",[5205,8884,5260],{"class":5226},[5205,8886,5400],{"class":5243},[5205,8888,5266],{"class":5226},[5205,8890,8892,8894],{"class":5207,"line":8891},46,[5205,8893,6071],{"class":5303},[5205,8895,5543],{"class":5226},[5205,8897,8899],{"class":5207,"line":8898},47,[5205,8900,5356],{"class":5226},[5205,8902,8904],{"class":5207,"line":8903},48,[5205,8905,5705],{"class":5226},[5205,8907,8909,8912,8914,8916,8918,8920,8922,8924,8926,8928],{"class":5207,"line":8908},49,[5205,8910,8911],{"class":5233},"  connectToDatabase",[5205,8913,5253],{"class":5226},[5205,8915,6138],{"class":5243},[5205,8917,5585],{"class":5226},[5205,8919,5400],{"class":5243},[5205,8921,5260],{"class":5226},[5205,8923,8422],{"class":5243},[5205,8925,5501],{"class":5226},[5205,8927,5504],{"class":5218},[5205,8929,5516],{"class":5226},[5205,8931,8933,8935,8937,8939],{"class":5207,"line":8932},50,[5205,8934,6769],{"class":5303},[5205,8936,5184],{"class":5226},[5205,8938,5400],{"class":5243},[5205,8940,5323],{"class":5226},[5205,8942,8944,8946,8948,8950,8952,8954,8956,8958],{"class":5207,"line":8943},51,[5205,8945,6781],{"class":5243},[5205,8947,5247],{"class":5226},[5205,8949,5400],{"class":5233},[5205,8951,5253],{"class":5226},[5205,8953,6790],{"class":5256},[5205,8955,5260],{"class":5226},[5205,8957,5400],{"class":5243},[5205,8959,5266],{"class":5226},[5205,8961,8963,8965],{"class":5207,"line":8962},52,[5205,8964,6802],{"class":5303},[5205,8966,5543],{"class":5226},[5205,8968,8970],{"class":5207,"line":8969},53,[5205,8971,6810],{"class":5226},[5205,8973,8975],{"class":5207,"line":8974},54,[5205,8976,6816],{"class":5226},[5205,8978,8980,8983,8985,8987,8990,8992,8994,8996,8998,9000,9002,9004],{"class":5207,"line":8979},55,[5205,8981,8982],{"class":5233},"    fetchUser",[5205,8984,5253],{"class":5226},[5205,8986,8422],{"class":5243},[5205,8988,8989],{"class":5226},"!, ",[5205,8991,6838],{"class":5319},[5205,8993,5585],{"class":5226},[5205,8995,5400],{"class":5243},[5205,8997,5260],{"class":5226},[5205,8999,7332],{"class":5243},[5205,9001,5501],{"class":5226},[5205,9003,5504],{"class":5218},[5205,9005,5516],{"class":5226},[5205,9007,9009,9011,9013,9015],{"class":5207,"line":9008},56,[5205,9010,6860],{"class":5303},[5205,9012,5184],{"class":5226},[5205,9014,5400],{"class":5243},[5205,9016,5323],{"class":5226},[5205,9018,9020,9022,9024,9026,9028,9031,9033,9035],{"class":5207,"line":9019},57,[5205,9021,6872],{"class":5243},[5205,9023,5247],{"class":5226},[5205,9025,5400],{"class":5233},[5205,9027,5253],{"class":5226},[5205,9029,9030],{"class":5256},"'Помилка отримання користувача:'",[5205,9032,5260],{"class":5226},[5205,9034,5400],{"class":5243},[5205,9036,5266],{"class":5226},[5205,9038,9040,9042,9045,9047],{"class":5207,"line":9039},58,[5205,9041,6893],{"class":5243},[5205,9043,9044],{"class":5226},"!.",[5205,9046,6898],{"class":5233},[5205,9048,5237],{"class":5226},[5205,9050,9052,9054],{"class":5207,"line":9051},59,[5205,9053,6906],{"class":5303},[5205,9055,5543],{"class":5226},[5205,9057,9059],{"class":5207,"line":9058},60,[5205,9060,6914],{"class":5226},[5205,9062,9064],{"class":5207,"line":9063},61,[5205,9065,6920],{"class":5226},[5205,9067,9069,9072,9074,9076,9078,9080,9082,9084],{"class":5207,"line":9068},62,[5205,9070,9071],{"class":5233},"      saveUserToFile",[5205,9073,5253],{"class":5226},[5205,9075,7332],{"class":5243},[5205,9077,5585],{"class":5226},[5205,9079,5400],{"class":5243},[5205,9081,5501],{"class":5226},[5205,9083,5504],{"class":5218},[5205,9085,5516],{"class":5226},[5205,9087,9089,9091,9093,9095],{"class":5207,"line":9088},63,[5205,9090,7007],{"class":5303},[5205,9092,5184],{"class":5226},[5205,9094,5400],{"class":5243},[5205,9096,5323],{"class":5226},[5205,9098,9100,9102,9104,9106,9108,9111,9113,9115],{"class":5207,"line":9099},64,[5205,9101,7019],{"class":5243},[5205,9103,5247],{"class":5226},[5205,9105,5400],{"class":5233},[5205,9107,5253],{"class":5226},[5205,9109,9110],{"class":5256},"'Помилка збереження файлу:'",[5205,9112,5260],{"class":5226},[5205,9114,5400],{"class":5243},[5205,9116,5266],{"class":5226},[5205,9118,9120,9122,9124],{"class":5207,"line":9119},65,[5205,9121,7040],{"class":5226},[5205,9123,7043],{"class":5303},[5205,9125,5516],{"class":5226},[5205,9127,9129,9131,9133,9135,9137,9140],{"class":5207,"line":9128},66,[5205,9130,7019],{"class":5243},[5205,9132,5247],{"class":5226},[5205,9134,5334],{"class":5233},[5205,9136,5253],{"class":5226},[5205,9138,9139],{"class":5256},"'Дані користувача збережено'",[5205,9141,5266],{"class":5226},[5205,9143,9145],{"class":5207,"line":9144},67,[5205,9146,7067],{"class":5226},[5205,9148,9150,9152,9154,9156],{"class":5207,"line":9149},68,[5205,9151,6893],{"class":5243},[5205,9153,9044],{"class":5226},[5205,9155,6898],{"class":5233},[5205,9157,5237],{"class":5226},[5205,9159,9161],{"class":5207,"line":9160},69,[5205,9162,7094],{"class":5226},[5205,9164,9166],{"class":5207,"line":9165},70,[5205,9167,7100],{"class":5226},[5205,9169,9171],{"class":5207,"line":9170},71,[5205,9172,6290],{"class":5226},[5205,9174,9176],{"class":5207,"line":9175},72,[5205,9177,5616],{"class":5226},[5166,9179,9180],{},"Цей підхід покращує читабельність через виділення кожної операції у окрему функцію з описовою назвою. Проте проблема глибокої вкладеності залишається — ми просто перенесли складність у структуру викликів.",[5874,9182,9183,9184,9187,9188,5260,9191,5260,9194,9197,9198,9200],{},"Бібліотеки на кшталт ",[5138,9185,9186],{},"async.js"," пропонували утиліти для композиції callback-based операцій (",[5138,9189,9190],{},"async.waterfall",[5138,9192,9193],{},"async.series",[5138,9195,9196],{},"async.parallel","), але навіть вони не вирішували фундаментальних проблем читабельності та обробки помилок. З появою промісів та ",[5138,9199,5442],{}," необхідність у таких бібліотеках практично зникла.",[5161,9202,9204],{"id":9203},"обробка-помилок-у-callback-based-коді-обмеження-та-ризики","Обробка помилок у callback-based коді: обмеження та ризики",[5166,9206,9207,9208,9210],{},"Одна з найбільших проблем callback — складність централізованої обробки помилок. У синхронному коді можна огорнути блок викликів у ",[5138,9209,6209],{}," та обробити всі помилки в одному місці:",[5196,9212,9214],{"className":5198,"code":9213,"language":5200,"meta":5201,"style":5201},"\u002F\u002F Синхронний код — централізована обробка помилок\ntry {\n  const config = JSON.parse(readFileSync('.\u002Fconfig.json', 'utf-8'));\n  const client = connectToDatabase(config);\n  const user = fetchUser(client, 42);\n  saveUserToFile(user);\n  console.log('Успішно');\n} catch (error) {\n  console.error('Сталася помилка:', error);\n  \u002F\u002F Централізована логіка відкату (rollback), логування, сповіщення\n}\n",[5138,9215,9216,9221,9227,9257,9274,9295,9306,9321,9333,9352,9357],{"__ignoreMap":5201},[5205,9217,9218],{"class":5207,"line":5208},[5205,9219,9220],{"class":5211},"\u002F\u002F Синхронний код — централізована обробка помилок\n",[5205,9222,9223,9225],{"class":5207,"line":5215},[5205,9224,6235],{"class":5303},[5205,9226,5516],{"class":5226},[5205,9228,9229,9231,9233,9235,9237,9239,9241,9243,9246,9248,9250,9252,9254],{"class":5207,"line":5240},[5205,9230,5521],{"class":5218},[5205,9232,6104],{"class":5222},[5205,9234,5227],{"class":5226},[5205,9236,6109],{"class":5222},[5205,9238,5247],{"class":5226},[5205,9240,6114],{"class":5233},[5205,9242,5253],{"class":5226},[5205,9244,9245],{"class":5233},"readFileSync",[5205,9247,5253],{"class":5226},[5205,9249,6008],{"class":5256},[5205,9251,5260],{"class":5226},[5205,9253,6013],{"class":5256},[5205,9255,9256],{"class":5226},"));\n",[5205,9258,9259,9261,9263,9265,9268,9270,9272],{"class":5207,"line":5269},[5205,9260,5521],{"class":5218},[5205,9262,6668],{"class":5222},[5205,9264,5227],{"class":5226},[5205,9266,9267],{"class":5233},"connectToDatabase",[5205,9269,5253],{"class":5226},[5205,9271,6138],{"class":5243},[5205,9273,5266],{"class":5226},[5205,9275,9276,9278,9280,9282,9285,9287,9289,9291,9293],{"class":5207,"line":5276},[5205,9277,5521],{"class":5218},[5205,9279,7434],{"class":5222},[5205,9281,5227],{"class":5226},[5205,9283,9284],{"class":5233},"fetchUser",[5205,9286,5253],{"class":5226},[5205,9288,8422],{"class":5243},[5205,9290,5260],{"class":5226},[5205,9292,6838],{"class":5319},[5205,9294,5266],{"class":5226},[5205,9296,9297,9300,9302,9304],{"class":5207,"line":5294},[5205,9298,9299],{"class":5233},"  saveUserToFile",[5205,9301,5253],{"class":5226},[5205,9303,7332],{"class":5243},[5205,9305,5266],{"class":5226},[5205,9307,9308,9310,9312,9314,9316,9319],{"class":5207,"line":5300},[5205,9309,5395],{"class":5243},[5205,9311,5247],{"class":5226},[5205,9313,5334],{"class":5233},[5205,9315,5253],{"class":5226},[5205,9317,9318],{"class":5256},"'Успішно'",[5205,9320,5266],{"class":5226},[5205,9322,9323,9325,9327,9329,9331],{"class":5207,"line":5326},[5205,9324,6295],{"class":5226},[5205,9326,6148],{"class":5303},[5205,9328,5184],{"class":5226},[5205,9330,5400],{"class":5243},[5205,9332,5323],{"class":5226},[5205,9334,9335,9337,9339,9341,9343,9346,9348,9350],{"class":5207,"line":5353},[5205,9336,5395],{"class":5243},[5205,9338,5247],{"class":5226},[5205,9340,5400],{"class":5233},[5205,9342,5253],{"class":5226},[5205,9344,9345],{"class":5256},"'Сталася помилка:'",[5205,9347,5260],{"class":5226},[5205,9349,5400],{"class":5243},[5205,9351,5266],{"class":5226},[5205,9353,9354],{"class":5207,"line":5359},[5205,9355,9356],{"class":5211},"  \u002F\u002F Централізована логіка відкату (rollback), логування, сповіщення\n",[5205,9358,9359],{"class":5207,"line":5365},[5205,9360,5563],{"class":5226},[5166,9362,9363],{},"У callback-based коді кожна асинхронна операція вимагає власної обробки помилок:",[5196,9365,9367],{"className":5198,"code":9366,"language":5200,"meta":5201,"style":5201},"readFile('.\u002Fconfig.json', 'utf-8', (error, data) => {\n  if (error) {\n    handleError(error); \u002F\u002F Обробка помилки 1\n    return;\n  }\n  \n  connectToDatabase(config, (error, client) => {\n    if (error) {\n      handleError(error); \u002F\u002F Обробка помилки 2\n      return;\n    }\n    \n    fetchUser(client, 42, (error, user) => {\n      if (error) {\n        handleError(error); \u002F\u002F Обробка помилки 3\n        client.end();\n        return;\n      }\n      \n      saveUserToFile(user, (error) => {\n        if (error) {\n          handleError(error); \u002F\u002F Обробка помилки 4\n        }\n        client.end();\n      });\n    });\n  });\n});\n",[5138,9368,9369,9395,9405,9419,9425,9429,9433,9455,9465,9479,9485,9489,9493,9519,9529,9543,9553,9559,9563,9567,9585,9595,9609,9613,9623,9627,9631,9635],{"__ignoreMap":5201},[5205,9370,9371,9373,9375,9377,9379,9381,9383,9385,9387,9389,9391,9393],{"class":5207,"line":5208},[5205,9372,5984],{"class":5233},[5205,9374,5253],{"class":5226},[5205,9376,6008],{"class":5256},[5205,9378,5260],{"class":5226},[5205,9380,6013],{"class":5256},[5205,9382,5585],{"class":5226},[5205,9384,5400],{"class":5243},[5205,9386,5260],{"class":5226},[5205,9388,6022],{"class":5243},[5205,9390,5501],{"class":5226},[5205,9392,5504],{"class":5218},[5205,9394,5516],{"class":5226},[5205,9396,9397,9399,9401,9403],{"class":5207,"line":5215},[5205,9398,5304],{"class":5303},[5205,9400,5184],{"class":5226},[5205,9402,5400],{"class":5243},[5205,9404,5323],{"class":5226},[5205,9406,9407,9410,9412,9414,9416],{"class":5207,"line":5240},[5205,9408,9409],{"class":5233},"    handleError",[5205,9411,5253],{"class":5226},[5205,9413,5400],{"class":5243},[5205,9415,5555],{"class":5226},[5205,9417,9418],{"class":5211},"\u002F\u002F Обробка помилки 1\n",[5205,9420,9421,9423],{"class":5207,"line":5269},[5205,9422,6071],{"class":5303},[5205,9424,5543],{"class":5226},[5205,9426,9427],{"class":5207,"line":5276},[5205,9428,5356],{"class":5226},[5205,9430,9431],{"class":5207,"line":5294},[5205,9432,5705],{"class":5226},[5205,9434,9435,9437,9439,9441,9443,9445,9447,9449,9451,9453],{"class":5207,"line":5300},[5205,9436,8911],{"class":5233},[5205,9438,5253],{"class":5226},[5205,9440,6138],{"class":5243},[5205,9442,5585],{"class":5226},[5205,9444,5400],{"class":5243},[5205,9446,5260],{"class":5226},[5205,9448,8422],{"class":5243},[5205,9450,5501],{"class":5226},[5205,9452,5504],{"class":5218},[5205,9454,5516],{"class":5226},[5205,9456,9457,9459,9461,9463],{"class":5207,"line":5326},[5205,9458,6769],{"class":5303},[5205,9460,5184],{"class":5226},[5205,9462,5400],{"class":5243},[5205,9464,5323],{"class":5226},[5205,9466,9467,9470,9472,9474,9476],{"class":5207,"line":5353},[5205,9468,9469],{"class":5233},"      handleError",[5205,9471,5253],{"class":5226},[5205,9473,5400],{"class":5243},[5205,9475,5555],{"class":5226},[5205,9477,9478],{"class":5211},"\u002F\u002F Обробка помилки 2\n",[5205,9480,9481,9483],{"class":5207,"line":5359},[5205,9482,6802],{"class":5303},[5205,9484,5543],{"class":5226},[5205,9486,9487],{"class":5207,"line":5365},[5205,9488,6810],{"class":5226},[5205,9490,9491],{"class":5207,"line":5370},[5205,9492,6816],{"class":5226},[5205,9494,9495,9497,9499,9501,9503,9505,9507,9509,9511,9513,9515,9517],{"class":5207,"line":5386},[5205,9496,8982],{"class":5233},[5205,9498,5253],{"class":5226},[5205,9500,8422],{"class":5243},[5205,9502,5260],{"class":5226},[5205,9504,6838],{"class":5319},[5205,9506,5585],{"class":5226},[5205,9508,5400],{"class":5243},[5205,9510,5260],{"class":5226},[5205,9512,7332],{"class":5243},[5205,9514,5501],{"class":5226},[5205,9516,5504],{"class":5218},[5205,9518,5516],{"class":5226},[5205,9520,9521,9523,9525,9527],{"class":5207,"line":5392},[5205,9522,6860],{"class":5303},[5205,9524,5184],{"class":5226},[5205,9526,5400],{"class":5243},[5205,9528,5323],{"class":5226},[5205,9530,9531,9534,9536,9538,9540],{"class":5207,"line":5410},[5205,9532,9533],{"class":5233},"        handleError",[5205,9535,5253],{"class":5226},[5205,9537,5400],{"class":5243},[5205,9539,5555],{"class":5226},[5205,9541,9542],{"class":5211},"\u002F\u002F Обробка помилки 3\n",[5205,9544,9545,9547,9549,9551],{"class":5207,"line":5415},[5205,9546,6893],{"class":5243},[5205,9548,5247],{"class":5226},[5205,9550,6898],{"class":5233},[5205,9552,5237],{"class":5226},[5205,9554,9555,9557],{"class":5207,"line":5420},[5205,9556,6906],{"class":5303},[5205,9558,5543],{"class":5226},[5205,9560,9561],{"class":5207,"line":6766},[5205,9562,6914],{"class":5226},[5205,9564,9565],{"class":5207,"line":6778},[5205,9566,6920],{"class":5226},[5205,9568,9569,9571,9573,9575,9577,9579,9581,9583],{"class":5207,"line":6799},[5205,9570,9071],{"class":5233},[5205,9572,5253],{"class":5226},[5205,9574,7332],{"class":5243},[5205,9576,5585],{"class":5226},[5205,9578,5400],{"class":5243},[5205,9580,5501],{"class":5226},[5205,9582,5504],{"class":5218},[5205,9584,5516],{"class":5226},[5205,9586,9587,9589,9591,9593],{"class":5207,"line":6807},[5205,9588,7007],{"class":5303},[5205,9590,5184],{"class":5226},[5205,9592,5400],{"class":5243},[5205,9594,5323],{"class":5226},[5205,9596,9597,9600,9602,9604,9606],{"class":5207,"line":6813},[5205,9598,9599],{"class":5233},"          handleError",[5205,9601,5253],{"class":5226},[5205,9603,5400],{"class":5243},[5205,9605,5555],{"class":5226},[5205,9607,9608],{"class":5211},"\u002F\u002F Обробка помилки 4\n",[5205,9610,9611],{"class":5207,"line":6819},[5205,9612,7067],{"class":5226},[5205,9614,9615,9617,9619,9621],{"class":5207,"line":6857},[5205,9616,6893],{"class":5243},[5205,9618,5247],{"class":5226},[5205,9620,6898],{"class":5233},[5205,9622,5237],{"class":5226},[5205,9624,9625],{"class":5207,"line":6869},[5205,9626,7094],{"class":5226},[5205,9628,9629],{"class":5207,"line":6890},[5205,9630,7100],{"class":5226},[5205,9632,9633],{"class":5207,"line":6903},[5205,9634,6290],{"class":5226},[5205,9636,9637],{"class":5207,"line":6911},[5205,9638,5616],{"class":5226},[5166,9640,9641],{},"Це призводить до кількох проблем:",[6187,9643,9644,9650,9656],{},[5095,9645,9646,9649],{},[5123,9647,9648],{},"Дублювання коду обробки помилок:"," кожна гілка помилки виглядає майже ідентично.",[5095,9651,9652,9655],{},[5123,9653,9654],{},"Складність управління ресурсами:"," потрібно пам'ятати закривати з'єднання до бази даних у кожній гілці помилки.",[5095,9657,9658,9661,9662,9665],{},[5123,9659,9660],{},"Відсутність стека викликів:"," якщо помилка виникає глибоко у вкладених callback, стек викликів (",[5105,9663,9664],{},"call stack",") може не містити корисної інформації про контекст, оскільки оригінальні функції вже завершилися.",[6215,9667,9668,9669,9672],{},"Необроблені помилки у callback призводять до аварійного завершення процесу Node.js. Якщо callback викидає виключення, яке не перехоплено, процес отримує подію ",[5138,9670,9671],{},"uncaughtException"," та за замовчуванням завершується з кодом помилки. Це критично для продакшн-серверів, де один необроблений виняток може покласти весь сервіс.",[5161,9674,9676],{"id":9675},"реальний-приклад-http-api-з-callback-based-логікою","Реальний приклад: HTTP API з callback-based логікою",[5166,9678,9679],{},"Розглянемо типовий HTTP API endpoint, написаний у callback-стилі, який:",[6187,9681,9682,9685,9688,9691],{},[5095,9683,9684],{},"Приймає POST-запит з даними користувача.",[5095,9686,9687],{},"Перевіряє наявність користувача у базі даних.",[5095,9689,9690],{},"Якщо користувач існує — повертає помилку 409 Conflict.",[5095,9692,9693],{},"Якщо не існує — створює нового користувача та повертає його дані.",[5196,9695,9697],{"className":5198,"code":9696,"language":5200,"meta":5201,"style":5201},"import { createServer } from 'node:http';\nimport { Client } from 'pg';\n\nconst dbClient = new Client({\n  host: 'localhost',\n  port: 5432,\n  database: 'myapp',\n  user: 'postgres',\n  password: 'password',\n});\n\ndbClient.connect((error) => {\n  if (error) {\n    console.error('Не вдалося підключитися до БД:', error);\n    process.exit(1);\n  }\n});\n\nconst server = createServer((req, res) => {\n  if (req.method === 'POST' && req.url === '\u002Fapi\u002Fusers') {\n    let body = '';\n    \n    req.on('data', (chunk) => {\n      body += chunk.toString();\n    });\n    \n    req.on('end', () => {\n      let userData;\n      \n      try {\n        userData = JSON.parse(body);\n      } catch (parseError) {\n        res.writeHead(400, { 'Content-Type': 'application\u002Fjson' });\n        res.end(JSON.stringify({ error: 'Invalid JSON' }));\n        return;\n      }\n      \n      \u002F\u002F Перевірка існування користувача\n      dbClient.query(\n        'SELECT id FROM users WHERE email = $1',\n        [userData.email],\n        (error, result) => {\n          if (error) {\n            console.error('Помилка запиту до БД:', error);\n            res.writeHead(500, { 'Content-Type': 'application\u002Fjson' });\n            res.end(JSON.stringify({ error: 'Database error' }));\n            return;\n          }\n          \n          if (result.rows.length > 0) {\n            \u002F\u002F Користувач вже існує\n            res.writeHead(409, { 'Content-Type': 'application\u002Fjson' });\n            res.end(JSON.stringify({ error: 'User already exists' }));\n            return;\n          }\n          \n          \u002F\u002F Створення нового користувача\n          dbClient.query(\n            'INSERT INTO users (email, name) VALUES ($1, $2) RETURNING id, email, name, created_at',\n            [userData.email, userData.name],\n            (error, result) => {\n              if (error) {\n                console.error('Помилка створення користувача:', error);\n                res.writeHead(500, { 'Content-Type': 'application\u002Fjson' });\n                res.end(JSON.stringify({ error: 'Failed to create user' }));\n                return;\n              }\n              \n              const newUser = result.rows[0];\n              res.writeHead(201, { 'Content-Type': 'application\u002Fjson' });\n              res.end(JSON.stringify(newUser));\n            }\n          );\n        }\n      );\n    });\n  } else {\n    res.writeHead(404);\n    res.end('Not Found');\n  }\n});\n\nserver.listen(3000, () => {\n  console.log('Сервер слухає на порту 3000');\n});\n",[5138,9698,9699,9717,9733,9737,9752,9762,9772,9782,9792,9802,9806,9810,9829,9839,9858,9875,9879,9883,9887,9914,9948,9963,9967,9993,10010,10014,10018,10038,10047,10051,10058,10078,10091,10120,10148,10154,10158,10162,10167,10179,10186,10201,10218,10229,10249,10273,10298,10305,10310,10315,10339,10344,10367,10392,10398,10402,10406,10411,10422,10429,10450,10467,10478,10498,10521,10546,10553,10558,10563,10586,10610,10633,10638,10644,10649,10655,10660,10669,10686,10702,10707,10712,10717,10739,10755],{"__ignoreMap":5201},[5205,9700,9701,9703,9705,9708,9710,9712,9715],{"class":5207,"line":5208},[5205,9702,5978],{"class":5303},[5205,9704,5981],{"class":5226},[5205,9706,9707],{"class":5243},"createServer",[5205,9709,5987],{"class":5226},[5205,9711,5990],{"class":5303},[5205,9713,9714],{"class":5256}," 'node:http'",[5205,9716,5543],{"class":5226},[5205,9718,9719,9721,9723,9725,9727,9729,9731],{"class":5207,"line":5215},[5205,9720,5978],{"class":5303},[5205,9722,5981],{"class":5226},[5205,9724,6554],{"class":5243},[5205,9726,5987],{"class":5226},[5205,9728,5990],{"class":5303},[5205,9730,6561],{"class":5256},[5205,9732,5543],{"class":5226},[5205,9734,9735],{"class":5207,"line":5240},[5205,9736,5273],{"emptyLinePlaceholder":5272},[5205,9738,9739,9741,9744,9746,9748,9750],{"class":5207,"line":5269},[5205,9740,5219],{"class":5218},[5205,9742,9743],{"class":5222}," dbClient",[5205,9745,5227],{"class":5226},[5205,9747,5230],{"class":5218},[5205,9749,6675],{"class":5233},[5205,9751,6678],{"class":5226},[5205,9753,9754,9757,9760],{"class":5207,"line":5276},[5205,9755,9756],{"class":5243},"  host:",[5205,9758,9759],{"class":5256}," 'localhost'",[5205,9761,6698],{"class":5226},[5205,9763,9764,9767,9770],{"class":5207,"line":5294},[5205,9765,9766],{"class":5243},"  port:",[5205,9768,9769],{"class":5319}," 5432",[5205,9771,6698],{"class":5226},[5205,9773,9774,9777,9780],{"class":5207,"line":5300},[5205,9775,9776],{"class":5243},"  database:",[5205,9778,9779],{"class":5256}," 'myapp'",[5205,9781,6698],{"class":5226},[5205,9783,9784,9787,9790],{"class":5207,"line":5326},[5205,9785,9786],{"class":5243},"  user:",[5205,9788,9789],{"class":5256}," 'postgres'",[5205,9791,6698],{"class":5226},[5205,9793,9794,9797,9800],{"class":5207,"line":5353},[5205,9795,9796],{"class":5243},"  password:",[5205,9798,9799],{"class":5256}," 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let",[5205,9954,9955],{"class":5243}," body",[5205,9957,5227],{"class":5226},[5205,9959,9960],{"class":5256},"''",[5205,9962,5543],{"class":5226},[5205,9964,9965],{"class":5207,"line":6813},[5205,9966,6816],{"class":5226},[5205,9968,9969,9972,9974,9977,9979,9982,9984,9987,9989,9991],{"class":5207,"line":6819},[5205,9970,9971],{"class":5243},"    req",[5205,9973,5247],{"class":5226},[5205,9975,9976],{"class":5233},"on",[5205,9978,5253],{"class":5226},[5205,9980,9981],{"class":5256},"'data'",[5205,9983,5585],{"class":5226},[5205,9985,9986],{"class":5243},"chunk",[5205,9988,5501],{"class":5226},[5205,9990,5504],{"class":5218},[5205,9992,5516],{"class":5226},[5205,9994,9995,9998,10001,10003,10005,10008],{"class":5207,"line":6857},[5205,9996,9997],{"class":5243},"      body",[5205,9999,10000],{"class":5226}," += 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let",[5205,10044,6929],{"class":5243},[5205,10046,5543],{"class":5226},[5205,10048,10049],{"class":5207,"line":6917},[5205,10050,6920],{"class":5226},[5205,10052,10053,10056],{"class":5207,"line":6923},[5205,10054,10055],{"class":5303},"      try",[5205,10057,5516],{"class":5226},[5205,10059,10060,10063,10065,10067,10069,10071,10073,10076],{"class":5207,"line":6968},[5205,10061,10062],{"class":5243},"        userData",[5205,10064,5227],{"class":5226},[5205,10066,6109],{"class":5222},[5205,10068,5247],{"class":5226},[5205,10070,6114],{"class":5233},[5205,10072,5253],{"class":5226},[5205,10074,10075],{"class":5243},"body",[5205,10077,5266],{"class":5226},[5205,10079,10080,10083,10085,10087,10089],{"class":5207,"line":6973},[5205,10081,10082],{"class":5226},"      } 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});\n",[5205,10121,10122,10124,10126,10128,10130,10132,10134,10136,10139,10142,10145],{"class":5207,"line":7016},[5205,10123,10095],{"class":5243},[5205,10125,5247],{"class":5226},[5205,10127,6898],{"class":5233},[5205,10129,5253],{"class":5226},[5205,10131,6109],{"class":5222},[5205,10133,5247],{"class":5226},[5205,10135,6938],{"class":5233},[5205,10137,10138],{"class":5226},"({ ",[5205,10140,10141],{"class":5243},"error:",[5205,10143,10144],{"class":5256}," 'Invalid JSON'",[5205,10146,10147],{"class":5226}," }));\n",[5205,10149,10150,10152],{"class":5207,"line":7037},[5205,10151,6906],{"class":5303},[5205,10153,5543],{"class":5226},[5205,10155,10156],{"class":5207,"line":7048},[5205,10157,6914],{"class":5226},[5205,10159,10160],{"class":5207,"line":7064},[5205,10161,6920],{"class":5226},[5205,10163,10164],{"class":5207,"line":7070},[5205,10165,10166],{"class":5211},"      \u002F\u002F Перевірка існування користувача\n",[5205,10168,10169,10172,10174,10176],{"class":5207,"line":7076},[5205,10170,10171],{"class":5243},"      dbClient",[5205,10173,5247],{"class":5226},[5205,10175,6827],{"class":5233},[5205,10177,10178],{"class":5226},"(\n",[5205,10180,10181,10184],{"class":5207,"line":7091},[5205,10182,10183],{"class":5256},"        'SELECT id FROM users WHERE email = $1'",[5205,10185,6698],{"class":5226},[5205,10187,10188,10191,10193,10195,10198],{"class":5207,"line":7097},[5205,10189,10190],{"class":5226},"        [",[5205,10192,6986],{"class":5243},[5205,10194,5247],{"class":5226},[5205,10196,10197],{"class":5243},"email",[5205,10199,10200],{"class":5226},"],\n",[5205,10202,10203,10206,10208,10210,10212,10214,10216],{"class":5207,"line":7103},[5205,10204,10205],{"class":5226},"        (",[5205,10207,5400],{"class":5243},[5205,10209,5260],{"class":5226},[5205,10211,5935],{"class":5243},[5205,10213,5501],{"class":5226},[5205,10215,5504],{"class":5218},[5205,10217,5516],{"class":5226},[5205,10219,10220,10223,10225,10227],{"class":5207,"line":7108},[5205,10221,10222],{"class":5303},"          if",[5205,10224,5184],{"class":5226},[5205,10226,5400],{"class":5243},[5205,10228,5323],{"class":5226},[5205,10230,10231,10234,10236,10238,10240,10243,10245,10247],{"class":5207,"line":8860},[5205,10232,10233],{"class":5243},"            console",[5205,10235,5247],{"class":5226},[5205,10237,5400],{"class":5233},[5205,10239,5253],{"class":5226},[5205,10241,10242],{"class":5256},"'Помилка запиту до БД:'",[5205,10244,5260],{"class":5226},[5205,10246,5400],{"class":5243},[5205,10248,5266],{"class":5226},[5205,10250,10251,10254,10256,10258,10260,10263,10265,10267,10269,10271],{"class":5207,"line":8871},[5205,10252,10253],{"class":5243},"            res",[5205,10255,5247],{"class":5226},[5205,10257,10100],{"class":5233},[5205,10259,5253],{"class":5226},[5205,10261,10262],{"class":5319},"500",[5205,10264,10108],{"class":5226},[5205,10266,10111],{"class":5256},[5205,10268,5968],{"class":5243},[5205,10270,10116],{"class":5256},[5205,10272,10119],{"class":5226},[5205,10274,10275,10277,10279,10281,10283,10285,10287,10289,10291,10293,10296],{"class":5207,"line":8891},[5205,10276,10253],{"class":5243},[5205,10278,5247],{"class":5226},[5205,10280,6898],{"class":5233},[5205,10282,5253],{"class":5226},[5205,10284,6109],{"class":5222},[5205,10286,5247],{"class":5226},[5205,10288,6938],{"class":5233},[5205,10290,10138],{"class":5226},[5205,10292,10141],{"class":5243},[5205,10294,10295],{"class":5256}," 'Database error'",[5205,10297,10147],{"class":5226},[5205,10299,10300,10303],{"class":5207,"line":8898},[5205,10301,10302],{"class":5303},"            return",[5205,10304,5543],{"class":5226},[5205,10306,10307],{"class":5207,"line":8903},[5205,10308,10309],{"class":5226},"          }\n",[5205,10311,10312],{"class":5207,"line":8908},[5205,10313,10314],{"class":5226},"          \n",[5205,10316,10317,10319,10321,10323,10325,10327,10329,10332,10335,10337],{"class":5207,"line":8932},[5205,10318,10222],{"class":5303},[5205,10320,5184],{"class":5226},[5205,10322,5935],{"class":5243},[5205,10324,5247],{"class":5226},[5205,10326,6947],{"class":5243},[5205,10328,5247],{"class":5226},[5205,10330,10331],{"class":5243},"length",[5205,10333,10334],{"class":5226}," > ",[5205,10336,6953],{"class":5319},[5205,10338,5323],{"class":5226},[5205,10340,10341],{"class":5207,"line":8943},[5205,10342,10343],{"class":5211},"            \u002F\u002F Користувач вже існує\n",[5205,10345,10346,10348,10350,10352,10354,10357,10359,10361,10363,10365],{"class":5207,"line":8962},[5205,10347,10253],{"class":5243},[5205,10349,5247],{"class":5226},[5205,10351,10100],{"class":5233},[5205,10353,5253],{"class":5226},[5205,10355,10356],{"class":5319},"409",[5205,10358,10108],{"class":5226},[5205,10360,10111],{"class":5256},[5205,10362,5968],{"class":5243},[5205,10364,10116],{"class":5256},[5205,10366,10119],{"class":5226},[5205,10368,10369,10371,10373,10375,10377,10379,10381,10383,10385,10387,10390],{"class":5207,"line":8969},[5205,10370,10253],{"class":5243},[5205,10372,5247],{"class":5226},[5205,10374,6898],{"class":5233},[5205,10376,5253],{"class":5226},[5205,10378,6109],{"class":5222},[5205,10380,5247],{"class":5226},[5205,10382,6938],{"class":5233},[5205,10384,10138],{"class":5226},[5205,10386,10141],{"class":5243},[5205,10388,10389],{"class":5256}," 'User already exists'",[5205,10391,10147],{"class":5226},[5205,10393,10394,10396],{"class":5207,"line":8974},[5205,10395,10302],{"class":5303},[5205,10397,5543],{"class":5226},[5205,10399,10400],{"class":5207,"line":8979},[5205,10401,10309],{"class":5226},[5205,10403,10404],{"class":5207,"line":9008},[5205,10405,10314],{"class":5226},[5205,10407,10408],{"class":5207,"line":9019},[5205,10409,10410],{"class":5211},"          \u002F\u002F Створення нового користувача\n",[5205,10412,10413,10416,10418,10420],{"class":5207,"line":9039},[5205,10414,10415],{"class":5243},"          dbClient",[5205,10417,5247],{"class":5226},[5205,10419,6827],{"class":5233},[5205,10421,10178],{"class":5226},[5205,10423,10424,10427],{"class":5207,"line":9051},[5205,10425,10426],{"class":5256},"            'INSERT INTO users (email, name) VALUES ($1, $2) RETURNING id, email, name, created_at'",[5205,10428,6698],{"class":5226},[5205,10430,10431,10434,10436,10438,10440,10442,10444,10446,10448],{"class":5207,"line":9058},[5205,10432,10433],{"class":5226},"            [",[5205,10435,6986],{"class":5243},[5205,10437,5247],{"class":5226},[5205,10439,10197],{"class":5243},[5205,10441,5260],{"class":5226},[5205,10443,6986],{"class":5243},[5205,10445,5247],{"class":5226},[5205,10447,5476],{"class":5243},[5205,10449,10200],{"class":5226},[5205,10451,10452,10455,10457,10459,10461,10463,10465],{"class":5207,"line":9063},[5205,10453,10454],{"class":5226},"            (",[5205,10456,5400],{"class":5243},[5205,10458,5260],{"class":5226},[5205,10460,5935],{"class":5243},[5205,10462,5501],{"class":5226},[5205,10464,5504],{"class":5218},[5205,10466,5516],{"class":5226},[5205,10468,10469,10472,10474,10476],{"class":5207,"line":9068},[5205,10470,10471],{"class":5303},"              if",[5205,10473,5184],{"class":5226},[5205,10475,5400],{"class":5243},[5205,10477,5323],{"class":5226},[5205,10479,10480,10483,10485,10487,10489,10492,10494,10496],{"class":5207,"line":9088},[5205,10481,10482],{"class":5243},"                console",[5205,10484,5247],{"class":5226},[5205,10486,5400],{"class":5233},[5205,10488,5253],{"class":5226},[5205,10490,10491],{"class":5256},"'Помилка створення користувача:'",[5205,10493,5260],{"class":5226},[5205,10495,5400],{"class":5243},[5205,10497,5266],{"class":5226},[5205,10499,10500,10503,10505,10507,10509,10511,10513,10515,10517,10519],{"class":5207,"line":9099},[5205,10501,10502],{"class":5243},"                res",[5205,10504,5247],{"class":5226},[5205,10506,10100],{"class":5233},[5205,10508,5253],{"class":5226},[5205,10510,10262],{"class":5319},[5205,10512,10108],{"class":5226},[5205,10514,10111],{"class":5256},[5205,10516,5968],{"class":5243},[5205,10518,10116],{"class":5256},[5205,10520,10119],{"class":5226},[5205,10522,10523,10525,10527,10529,10531,10533,10535,10537,10539,10541,10544],{"class":5207,"line":9119},[5205,10524,10502],{"class":5243},[5205,10526,5247],{"class":5226},[5205,10528,6898],{"class":5233},[5205,10530,5253],{"class":5226},[5205,10532,6109],{"class":5222},[5205,10534,5247],{"class":5226},[5205,10536,6938],{"class":5233},[5205,10538,10138],{"class":5226},[5205,10540,10141],{"class":5243},[5205,10542,10543],{"class":5256}," 'Failed to create user'",[5205,10545,10147],{"class":5226},[5205,10547,10548,10551],{"class":5207,"line":9128},[5205,10549,10550],{"class":5303},"                return",[5205,10552,5543],{"class":5226},[5205,10554,10555],{"class":5207,"line":9144},[5205,10556,10557],{"class":5226},"              }\n",[5205,10559,10560],{"class":5207,"line":9149},[5205,10561,10562],{"class":5226},"              \n",[5205,10564,10565,10568,10571,10573,10575,10577,10579,10581,10583],{"class":5207,"line":9160},[5205,10566,10567],{"class":5218},"              const",[5205,10569,10570],{"class":5222}," newUser",[5205,10572,5227],{"class":5226},[5205,10574,5935],{"class":5243},[5205,10576,5247],{"class":5226},[5205,10578,6947],{"class":5243},[5205,10580,6950],{"class":5226},[5205,10582,6953],{"class":5319},[5205,10584,10585],{"class":5226},"];\n",[5205,10587,10588,10591,10593,10595,10597,10600,10602,10604,10606,10608],{"class":5207,"line":9165},[5205,10589,10590],{"class":5243},"              res",[5205,10592,5247],{"class":5226},[5205,10594,10100],{"class":5233},[5205,10596,5253],{"class":5226},[5205,10598,10599],{"class":5319},"201",[5205,10601,10108],{"class":5226},[5205,10603,10111],{"class":5256},[5205,10605,5968],{"class":5243},[5205,10607,10116],{"class":5256},[5205,10609,10119],{"class":5226},[5205,10611,10612,10614,10616,10618,10620,10622,10624,10626,10628,10631],{"class":5207,"line":9170},[5205,10613,10590],{"class":5243},[5205,10615,5247],{"class":5226},[5205,10617,6898],{"class":5233},[5205,10619,5253],{"class":5226},[5205,10621,6109],{"class":5222},[5205,10623,5247],{"class":5226},[5205,10625,6938],{"class":5233},[5205,10627,5253],{"class":5226},[5205,10629,10630],{"class":5243},"newUser",[5205,10632,9256],{"class":5226},[5205,10634,10635],{"class":5207,"line":9175},[5205,10636,10637],{"class":5226},"            }\n",[5205,10639,10641],{"class":5207,"line":10640},73,[5205,10642,10643],{"class":5226},"          );\n",[5205,10645,10647],{"class":5207,"line":10646},74,[5205,10648,7067],{"class":5226},[5205,10650,10652],{"class":5207,"line":10651},75,[5205,10653,10654],{"class":5226},"      );\n",[5205,10656,10658],{"class":5207,"line":10657},76,[5205,10659,7100],{"class":5226},[5205,10661,10663,10665,10667],{"class":5207,"line":10662},77,[5205,10664,6145],{"class":5226},[5205,10666,7043],{"class":5303},[5205,10668,5516],{"class":5226},[5205,10670,10672,10675,10677,10679,10681,10684],{"class":5207,"line":10671},78,[5205,10673,10674],{"class":5243},"    res",[5205,10676,5247],{"class":5226},[5205,10678,10100],{"class":5233},[5205,10680,5253],{"class":5226},[5205,10682,10683],{"class":5319},"404",[5205,10685,5266],{"class":5226},[5205,10687,10689,10691,10693,10695,10697,10700],{"class":5207,"line":10688},79,[5205,10690,10674],{"class":5243},[5205,10692,5247],{"class":5226},[5205,10694,6898],{"class":5233},[5205,10696,5253],{"class":5226},[5205,10698,10699],{"class":5256},"'Not Found'",[5205,10701,5266],{"class":5226},[5205,10703,10705],{"class":5207,"line":10704},80,[5205,10706,5356],{"class":5226},[5205,10708,10710],{"class":5207,"line":10709},81,[5205,10711,5616],{"class":5226},[5205,10713,10715],{"class":5207,"line":10714},82,[5205,10716,5273],{"emptyLinePlaceholder":5272},[5205,10718,10720,10723,10725,10728,10730,10733,10735,10737],{"class":5207,"line":10719},83,[5205,10721,10722],{"class":5243},"server",[5205,10724,5247],{"class":5226},[5205,10726,10727],{"class":5233},"listen",[5205,10729,5253],{"class":5226},[5205,10731,10732],{"class":5319},"3000",[5205,10734,10033],{"class":5226},[5205,10736,5504],{"class":5218},[5205,10738,5516],{"class":5226},[5205,10740,10742,10744,10746,10748,10750,10753],{"class":5207,"line":10741},84,[5205,10743,5395],{"class":5243},[5205,10745,5247],{"class":5226},[5205,10747,5334],{"class":5233},[5205,10749,5253],{"class":5226},[5205,10751,10752],{"class":5256},"'Сервер слухає на порту 3000'",[5205,10754,5266],{"class":5226},[5205,10756,10758],{"class":5207,"line":10757},85,[5205,10759,5616],{"class":5226},[5166,10761,10762],{},"Цей код демонструє типові проблеми callback-based архітектури:",[5092,10764,10765,10775,10781],{},[5095,10766,10767,10770,10771,10774],{},[5123,10768,10769],{},"4 рівні вкладеності:"," ",[5138,10772,10773],{},"req.on('end')"," → перша перевірка → друга перевірка → створення користувача.",[5095,10776,10777,10780],{},[5123,10778,10779],{},"Повторювана логіка відповідей:"," кожна гілка помилки формує HTTP-відповідь майже ідентичним чином.",[5095,10782,10783,10786,10787,5247],{},[5123,10784,10785],{},"Складність тестування:"," для юніт-тестування потрібно мокати не лише базу даних, але й структуру подій ",[5138,10788,10789],{},"req.on",[7906,10791,10792,10793,10795],{},"Порівняйте цей код із версією на промісах або ",[5138,10794,5442],{},", яка буде розглянута у наступних лекціях. Різниця у читабельності та підтримці буде разючою — складний callback-код перетворюється у лінійну послідовність операцій.",[5161,10797,10799],{"id":10798},"чому-індустрія-відмовилася-від-callback-на-користь-промісів","Чому індустрія відмовилася від callback на користь промісів",[5166,10801,10802],{},"До 2015 року callback були стандартом де-факто для асинхронного програмування у Node.js. Проте накопичені проблеми призвели до активних пошуків альтернатив. Ключові причини переходу:",[5084,10804,10805,10845],{},[5087,10806,10809],{"icon":10807,"title":10808},"i-lucide-alert-circle","🔴 Проблеми callback",[5092,10810,10811,10817,10823,10829,10837],{},[5095,10812,10813,10816],{},[5123,10814,10815],{},"Callback Hell:"," глибока вкладеність робить код важкочитабельним.",[5095,10818,10819,10822],{},[5123,10820,10821],{},"Відсутність композиції:"," складно комбінувати кілька асинхронних операцій.",[5095,10824,10825,10828],{},[5123,10826,10827],{},"Інверсія керування:"," втрата контролю над викликом callback.",[5095,10830,10831,10833,10834,5247],{},[5123,10832,7231],{}," кожен рівень вимагає власної перевірки ",[5138,10835,10836],{},"if (error)",[5095,10838,10839,10842,10843,5247],{},[5123,10840,10841],{},"Складність паралельного виконання:"," для запуску кількох операцій одночасно потрібні бібліотеки на кшталт ",[5138,10844,9186],{},[5087,10846,10849],{"icon":10847,"title":10848},"i-lucide-check-circle","🟢 Переваги промісів",[5092,10850,10851,10861,10871,10877,10888],{},[5095,10852,10853,10856,10857,10860],{},[5123,10854,10855],{},"Лінійний синтаксис:"," ланцюжки ",[5138,10858,10859],{},".then()"," усувають вкладеність.",[5095,10862,10863,10866,10867,10870],{},[5123,10864,10865],{},"Централізована обробка помилок:"," один ",[5138,10868,10869],{},".catch()"," для всього ланцюжка.",[5095,10872,10873,10876],{},[5123,10874,10875],{},"Контроль виконання:"," проміс — це об'єкт, який можна передавати, комбінувати та трансформувати.",[5095,10878,10879,10770,10882,5260,10885,5247],{},[5123,10880,10881],{},"Вбудована підтримка паралелізму:",[5138,10883,10884],{},"Promise.all()",[5138,10886,10887],{},"Promise.race()",[5095,10889,10890,10893],{},[5123,10891,10892],{},"Стандартизація:"," проміси є частиною ECMAScript, підтримуються нативно усіма сучасними середовищами.",[5166,10895,10896,10897,10899,10900,10903,10904,10906],{},"У 2015 році специфікація ECMAScript 6 офіційно включила ",[5138,10898,5179],{}," у стандарт мови. Node.js почав поступово додавати Promise-based API до стандартних модулів (модуль ",[5138,10901,10902],{},"fs\u002Fpromises"," з'явився у версії 10.0.0 у 2018 році). З 2017 року синтаксис ",[5138,10905,5442],{}," (ECMAScript 2017) остаточно закріпив перехід індустрії від callback до сучасних асинхронних патернів.",[5161,10908,10910],{"id":10909},"сучасне-місце-callback-у-nodejs-екосистемі","Сучасне місце callback у Node.js екосистемі",[5166,10912,10913,10914,10916],{},"Незважаючи на перехід індустрії до промісів та ",[5138,10915,5442],{},", callback залишаються актуальними у певних сценаріях:",[10918,10919,10921],"h3",{"id":10920},"подієві-інтерфейси-eventemitter","Подієві інтерфейси (EventEmitter)",[5166,10923,10924,10925,10928],{},"Модуль ",[5138,10926,10927],{},"events"," та його похідні (HTTP streams, TCP sockets, процеси) використовують callback для обробки подій:",[5196,10930,10932],{"className":5198,"code":10931,"language":5200,"meta":5201,"style":5201},"import { EventEmitter } from 'node:events';\n\nconst emitter = new EventEmitter();\n\n\u002F\u002F Callback для події 'data'\nemitter.on('data', (chunk: Buffer) => {\n  console.log('Отримано дані:', chunk.toString());\n});\n\n\u002F\u002F Callback для події 'error'\nemitter.on('error', (error: Error) => {\n  console.error('Сталася помилка:', error);\n});\n\nemitter.emit('data', Buffer.from('Hello'));\n",[5138,10933,10934,10952,10956,10972,10976,10981,11009,11033,11037,11041,11046,11073,11091,11095,11099],{"__ignoreMap":5201},[5205,10935,10936,10938,10940,10943,10945,10947,10950],{"class":5207,"line":5208},[5205,10937,5978],{"class":5303},[5205,10939,5981],{"class":5226},[5205,10941,10942],{"class":5243},"EventEmitter",[5205,10944,5987],{"class":5226},[5205,10946,5990],{"class":5303},[5205,10948,10949],{"class":5256}," 'node:events'",[5205,10951,5543],{"class":5226},[5205,10953,10954],{"class":5207,"line":5215},[5205,10955,5273],{"emptyLinePlaceholder":5272},[5205,10957,10958,10960,10963,10965,10967,10970],{"class":5207,"line":5240},[5205,10959,5219],{"class":5218},[5205,10961,10962],{"class":5222}," emitter",[5205,10964,5227],{"class":5226},[5205,10966,5230],{"class":5218},[5205,10968,10969],{"class":5233}," EventEmitter",[5205,10971,5237],{"class":5226},[5205,10973,10974],{"class":5207,"line":5269},[5205,10975,5273],{"emptyLinePlaceholder":5272},[5205,10977,10978],{"class":5207,"line":5276},[5205,10979,10980],{"class":5211},"\u002F\u002F Callback для події 'data'\n",[5205,10982,10983,10986,10988,10990,10992,10994,10996,10998,11000,11003,11005,11007],{"class":5207,"line":5294},[5205,10984,10985],{"class":5243},"emitter",[5205,10987,5247],{"class":5226},[5205,10989,9976],{"class":5233},[5205,10991,5253],{"class":5226},[5205,10993,9981],{"class":5256},[5205,10995,5585],{"class":5226},[5205,10997,9986],{"class":5243},[5205,10999,5479],{"class":5226},[5205,11001,11002],{"class":5482},"Buffer",[5205,11004,5501],{"class":5226},[5205,11006,5504],{"class":5218},[5205,11008,5516],{"class":5226},[5205,11010,11011,11013,11015,11017,11019,11022,11024,11026,11028,11030],{"class":5207,"line":5300},[5205,11012,5395],{"class":5243},[5205,11014,5247],{"class":5226},[5205,11016,5334],{"class":5233},[5205,11018,5253],{"class":5226},[5205,11020,11021],{"class":5256},"'Отримано дані:'",[5205,11023,5260],{"class":5226},[5205,11025,9986],{"class":5243},[5205,11027,5247],{"class":5226},[5205,11029,10007],{"class":5233},[5205,11031,11032],{"class":5226},"());\n",[5205,11034,11035],{"class":5207,"line":5326},[5205,11036,5616],{"class":5226},[5205,11038,11039],{"class":5207,"line":5353},[5205,11040,5273],{"emptyLinePlaceholder":5272},[5205,11042,11043],{"class":5207,"line":5359},[5205,11044,11045],{"class":5211},"\u002F\u002F Callback для події 'error'\n",[5205,11047,11048,11050,11052,11054,11056,11059,11061,11063,11065,11067,11069,11071],{"class":5207,"line":5365},[5205,11049,10985],{"class":5243},[5205,11051,5247],{"class":5226},[5205,11053,9976],{"class":5233},[5205,11055,5253],{"class":5226},[5205,11057,11058],{"class":5256},"'error'",[5205,11060,5585],{"class":5226},[5205,11062,5400],{"class":5243},[5205,11064,5479],{"class":5226},[5205,11066,5925],{"class":5482},[5205,11068,5501],{"class":5226},[5205,11070,5504],{"class":5218},[5205,11072,5516],{"class":5226},[5205,11074,11075,11077,11079,11081,11083,11085,11087,11089],{"class":5207,"line":5370},[5205,11076,5395],{"class":5243},[5205,11078,5247],{"class":5226},[5205,11080,5400],{"class":5233},[5205,11082,5253],{"class":5226},[5205,11084,9345],{"class":5256},[5205,11086,5260],{"class":5226},[5205,11088,5400],{"class":5243},[5205,11090,5266],{"class":5226},[5205,11092,11093],{"class":5207,"line":5386},[5205,11094,5616],{"class":5226},[5205,11096,11097],{"class":5207,"line":5392},[5205,11098,5273],{"emptyLinePlaceholder":5272},[5205,11100,11101,11103,11105,11108,11110,11112,11114,11116,11118,11120,11122,11125],{"class":5207,"line":5410},[5205,11102,10985],{"class":5243},[5205,11104,5247],{"class":5226},[5205,11106,11107],{"class":5233},"emit",[5205,11109,5253],{"class":5226},[5205,11111,9981],{"class":5256},[5205,11113,5260],{"class":5226},[5205,11115,11002],{"class":5243},[5205,11117,5247],{"class":5226},[5205,11119,5990],{"class":5233},[5205,11121,5253],{"class":5226},[5205,11123,11124],{"class":5256},"'Hello'",[5205,11126,9256],{"class":5226},[10918,11128,11130],{"id":11129},"стрімові-api-streams","Стрімові API (Streams)",[5166,11132,11133],{},"Робота зі стрімами природно використовує callback для обробки подій:",[5196,11135,11137],{"className":5198,"code":11136,"language":5200,"meta":5201,"style":5201},"import { createReadStream } from 'node:fs';\n\nconst stream = createReadStream('.\u002Flarge-file.txt', { encoding: 'utf-8' });\n\nstream.on('data', (chunk: string) => {\n  console.log('Прочитано шматок:', chunk.length, 'байтів');\n});\n\nstream.on('end', () => {\n  console.log('Читання завершено');\n});\n\nstream.on('error', (error: Error) => {\n  console.error('Помилка читання:', error);\n});\n",[5138,11138,11139,11156,11160,11186,11190,11217,11245,11249,11253,11271,11286,11290,11294,11320,11339],{"__ignoreMap":5201},[5205,11140,11141,11143,11145,11148,11150,11152,11154],{"class":5207,"line":5208},[5205,11142,5978],{"class":5303},[5205,11144,5981],{"class":5226},[5205,11146,11147],{"class":5243},"createReadStream",[5205,11149,5987],{"class":5226},[5205,11151,5990],{"class":5303},[5205,11153,5993],{"class":5256},[5205,11155,5543],{"class":5226},[5205,11157,11158],{"class":5207,"line":5215},[5205,11159,5273],{"emptyLinePlaceholder":5272},[5205,11161,11162,11164,11167,11169,11171,11173,11176,11178,11181,11184],{"class":5207,"line":5240},[5205,11163,5219],{"class":5218},[5205,11165,11166],{"class":5222}," stream",[5205,11168,5227],{"class":5226},[5205,11170,11147],{"class":5233},[5205,11172,5253],{"class":5226},[5205,11174,11175],{"class":5256},"'.\u002Flarge-file.txt'",[5205,11177,10108],{"class":5226},[5205,11179,11180],{"class":5243},"encoding:",[5205,11182,11183],{"class":5256}," 'utf-8'",[5205,11185,10119],{"class":5226},[5205,11187,11188],{"class":5207,"line":5269},[5205,11189,5273],{"emptyLinePlaceholder":5272},[5205,11191,11192,11195,11197,11199,11201,11203,11205,11207,11209,11211,11213,11215],{"class":5207,"line":5276},[5205,11193,11194],{"class":5243},"stream",[5205,11196,5247],{"class":5226},[5205,11198,9976],{"class":5233},[5205,11200,5253],{"class":5226},[5205,11202,9981],{"class":5256},[5205,11204,5585],{"class":5226},[5205,11206,9986],{"class":5243},[5205,11208,5479],{"class":5226},[5205,11210,5483],{"class":5482},[5205,11212,5501],{"class":5226},[5205,11214,5504],{"class":5218},[5205,11216,5516],{"class":5226},[5205,11218,11219,11221,11223,11225,11227,11230,11232,11234,11236,11238,11240,11243],{"class":5207,"line":5294},[5205,11220,5395],{"class":5243},[5205,11222,5247],{"class":5226},[5205,11224,5334],{"class":5233},[5205,11226,5253],{"class":5226},[5205,11228,11229],{"class":5256},"'Прочитано шматок:'",[5205,11231,5260],{"class":5226},[5205,11233,9986],{"class":5243},[5205,11235,5247],{"class":5226},[5205,11237,10331],{"class":5243},[5205,11239,5260],{"class":5226},[5205,11241,11242],{"class":5256},"'байтів'",[5205,11244,5266],{"class":5226},[5205,11246,11247],{"class":5207,"line":5300},[5205,11248,5616],{"class":5226},[5205,11250,11251],{"class":5207,"line":5326},[5205,11252,5273],{"emptyLinePlaceholder":5272},[5205,11254,11255,11257,11259,11261,11263,11265,11267,11269],{"class":5207,"line":5353},[5205,11256,11194],{"class":5243},[5205,11258,5247],{"class":5226},[5205,11260,9976],{"class":5233},[5205,11262,5253],{"class":5226},[5205,11264,10030],{"class":5256},[5205,11266,10033],{"class":5226},[5205,11268,5504],{"class":5218},[5205,11270,5516],{"class":5226},[5205,11272,11273,11275,11277,11279,11281,11284],{"class":5207,"line":5359},[5205,11274,5395],{"class":5243},[5205,11276,5247],{"class":5226},[5205,11278,5334],{"class":5233},[5205,11280,5253],{"class":5226},[5205,11282,11283],{"class":5256},"'Читання завершено'",[5205,11285,5266],{"class":5226},[5205,11287,11288],{"class":5207,"line":5365},[5205,11289,5616],{"class":5226},[5205,11291,11292],{"class":5207,"line":5370},[5205,11293,5273],{"emptyLinePlaceholder":5272},[5205,11295,11296,11298,11300,11302,11304,11306,11308,11310,11312,11314,11316,11318],{"class":5207,"line":5386},[5205,11297,11194],{"class":5243},[5205,11299,5247],{"class":5226},[5205,11301,9976],{"class":5233},[5205,11303,5253],{"class":5226},[5205,11305,11058],{"class":5256},[5205,11307,5585],{"class":5226},[5205,11309,5400],{"class":5243},[5205,11311,5479],{"class":5226},[5205,11313,5925],{"class":5482},[5205,11315,5501],{"class":5226},[5205,11317,5504],{"class":5218},[5205,11319,5516],{"class":5226},[5205,11321,11322,11324,11326,11328,11330,11333,11335,11337],{"class":5207,"line":5392},[5205,11323,5395],{"class":5243},[5205,11325,5247],{"class":5226},[5205,11327,5400],{"class":5233},[5205,11329,5253],{"class":5226},[5205,11331,11332],{"class":5256},"'Помилка читання:'",[5205,11334,5260],{"class":5226},[5205,11336,5400],{"class":5243},[5205,11338,5266],{"class":5226},[5205,11340,11341],{"class":5207,"line":5410},[5205,11342,5616],{"class":5226},[10918,11344,11346],{"id":11345},"низькорівневі-бібліотеки","Низькорівневі бібліотеки",[5166,11348,11349],{},"Деякі низькорівневі бібліотеки (наприклад, драйвери баз даних, нативні розширення) все ще використовують callback для максимальної продуктивності та контролю.",[5874,11351,11352,11353,11356,11357,11359],{},"Навіть якщо бібліотека надає лише callback-based API, ви можете легко обгорнути її у проміс за допомогою вбудованої утиліти ",[5138,11354,11355],{},"util.promisify"," або вручну. Це дозволяє використовувати сучасний синтаксис ",[5138,11358,5442],{}," навіть зі старими бібліотеками.",[5166,11361,11362],{},"Приклад обгортання callback у проміс:",[5196,11364,11366],{"className":5198,"code":11365,"language":5200,"meta":5201,"style":5201},"import { readFile as readFileCallback } from 'node:fs';\nimport { promisify } from 'node:util';\n\n\u002F\u002F Автоматичне перетворення callback-based функції у Promise-based\nconst readFile = promisify(readFileCallback);\n\n\u002F\u002F Тепер можна використовувати з async\u002Fawait\nasync function loadConfig(): Promise\u003Cany> {\n  const data = await readFile('.\u002Fconfig.json', 'utf-8');\n  return JSON.parse(data);\n}\n",[5138,11367,11368,11389,11407,11411,11416,11434,11438,11443,11465,11489,11507],{"__ignoreMap":5201},[5205,11369,11370,11372,11374,11376,11378,11381,11383,11385,11387],{"class":5207,"line":5208},[5205,11371,5978],{"class":5303},[5205,11373,5981],{"class":5226},[5205,11375,5984],{"class":5243},[5205,11377,7687],{"class":5303},[5205,11379,11380],{"class":5243}," readFileCallback",[5205,11382,5987],{"class":5226},[5205,11384,5990],{"class":5303},[5205,11386,5993],{"class":5256},[5205,11388,5543],{"class":5226},[5205,11390,11391,11393,11395,11398,11400,11402,11405],{"class":5207,"line":5215},[5205,11392,5978],{"class":5303},[5205,11394,5981],{"class":5226},[5205,11396,11397],{"class":5243},"promisify",[5205,11399,5987],{"class":5226},[5205,11401,5990],{"class":5303},[5205,11403,11404],{"class":5256}," 'node:util'",[5205,11406,5543],{"class":5226},[5205,11408,11409],{"class":5207,"line":5240},[5205,11410,5273],{"emptyLinePlaceholder":5272},[5205,11412,11413],{"class":5207,"line":5269},[5205,11414,11415],{"class":5211},"\u002F\u002F Автоматичне перетворення callback-based функції у Promise-based\n",[5205,11417,11418,11420,11423,11425,11427,11429,11432],{"class":5207,"line":5276},[5205,11419,5219],{"class":5218},[5205,11421,11422],{"class":5222}," readFile",[5205,11424,5227],{"class":5226},[5205,11426,11397],{"class":5233},[5205,11428,5253],{"class":5226},[5205,11430,11431],{"class":5243},"readFileCallback",[5205,11433,5266],{"class":5226},[5205,11435,11436],{"class":5207,"line":5294},[5205,11437,5273],{"emptyLinePlaceholder":5272},[5205,11439,11440],{"class":5207,"line":5300},[5205,11441,11442],{"class":5211},"\u002F\u002F Тепер можна використовувати з async\u002Fawait\n",[5205,11444,11445,11448,11451,11453,11456,11458,11460,11462],{"class":5207,"line":5326},[5205,11446,11447],{"class":5218},"async",[5205,11449,11450],{"class":5218}," function",[5205,11452,8218],{"class":5233},[5205,11454,11455],{"class":5226},"(): ",[5205,11457,5179],{"class":5482},[5205,11459,5912],{"class":5226},[5205,11461,7337],{"class":5482},[5205,11463,11464],{"class":5226},"> {\n",[5205,11466,11467,11469,11472,11474,11477,11479,11481,11483,11485,11487],{"class":5207,"line":5353},[5205,11468,5521],{"class":5218},[5205,11470,11471],{"class":5222}," data",[5205,11473,5227],{"class":5226},[5205,11475,11476],{"class":5303},"await",[5205,11478,11422],{"class":5233},[5205,11480,5253],{"class":5226},[5205,11482,6008],{"class":5256},[5205,11484,5260],{"class":5226},[5205,11486,6013],{"class":5256},[5205,11488,5266],{"class":5226},[5205,11490,11491,11494,11497,11499,11501,11503,11505],{"class":5207,"line":5359},[5205,11492,11493],{"class":5303},"  return",[5205,11495,11496],{"class":5222}," JSON",[5205,11498,5247],{"class":5226},[5205,11500,6114],{"class":5233},[5205,11502,5253],{"class":5226},[5205,11504,6022],{"class":5243},[5205,11506,5266],{"class":5226},[5205,11508,11509],{"class":5207,"line":5365},[5205,11510,5563],{"class":5226},[5161,11512,11514],{"id":11513},"практичні-рекомендації-при-роботі-з-callback","Практичні рекомендації при роботі з callback",[5166,11516,11517],{},"Якщо ви працюєте зі старим кодом або бібліотеками, що використовують callback, дотримуйтесь цих правил:",[11519,11520,11521,11525,11531,11538,11541,11545,11548,11552,11561,11565],"steps",{},[10918,11522,11524],{"id":11523},"правило-1-завжди-дотримуйтесь-error-first-convention","Правило 1: Завжди дотримуйтесь Error-First Convention",[5166,11526,11527,11528,11530],{},"Перший параметр callback має бути зарезервовано для помилки, навіть якщо операція ніколи не може завершитися з помилкою. Передавайте ",[5138,11529,5140],{}," як перший аргумент у разі успіху.",[10918,11532,11534,11535,11537],{"id":11533},"правило-2-використовуйте-return-callback-для-раннього-виходу","Правило 2: Використовуйте ",[5138,11536,7911],{}," для раннього виходу",[5166,11539,11540],{},"Одразу після виклику callback повертайте значення, щоб запобігти подальшому виконанню коду у некоректному стані.",[10918,11542,11544],{"id":11543},"правило-3-ніколи-не-викликайте-callback-більше-одного-разу","Правило 3: Ніколи не викликайте callback більше одного разу",[5166,11546,11547],{},"Забезпечте, щоб callback викликався рівно один раз на кожен шлях виконання. Багатократний виклик призводить до непередбачуваної поведінки.",[10918,11549,11551],{"id":11550},"правило-4-обробляйте-виключення-всередині-callback","Правило 4: Обробляйте виключення всередині callback",[5166,11553,11554,11555,11557,11558,11560],{},"Виключення, що виникають всередині callback, не можуть бути перехоплені зовнішнім ",[5138,11556,6209],{},". Огортайте код у ",[5138,11559,6209],{}," безпосередньо у callback.",[10918,11562,11564],{"id":11563},"правило-5-розгляньте-міграцію-на-проміси","Правило 5: Розгляньте міграцію на проміси",[5166,11566,11567,11568,11570,11571,5247],{},"Для нового коду завжди використовуйте проміси або ",[5138,11569,5442],{},". Для старого коду розгляньте можливість поступової міграції через обгортання у ",[5138,11572,11397],{},[5161,11574,11576],{"id":11575},"порівняльна-таблиця-callback-vs-проміси-vs-asyncawait","Порівняльна таблиця: callback vs проміси vs async\u002Fawait",[5166,11578,11579],{},"Для наочності розглянемо одну і ту ж операцію у різних стилях:",[11581,11582,11583,11871,12036],"code-group",{},[5196,11584,11587],{"className":5198,"code":11585,"filename":11586,"language":5200,"meta":5201,"style":5201},"import { readFile } from 'node:fs';\n\nfunction loadAndParse(callback: (error: Error | null, data?: any) => void): void {\n  readFile('.\u002Fdata.json', 'utf-8', (error, content) => {\n    if (error) return callback(error);\n    \n    try {\n      const data = JSON.parse(content);\n      callback(null, data);\n    } catch (parseError) {\n      callback(parseError as Error);\n    }\n  });\n}\n\n\u002F\u002F Використання\nloadAndParse((error, data) => {\n  if (error) {\n    console.error('Помилка:', error);\n    return;\n  }\n  console.log('Дані:', data);\n});\n","Callback-based",[5138,11588,11589,11605,11609,11652,11680,11700,11704,11710,11730,11744,11756,11770,11774,11778,11782,11786,11790,11809,11819,11838,11844,11848,11867],{"__ignoreMap":5201},[5205,11590,11591,11593,11595,11597,11599,11601,11603],{"class":5207,"line":5208},[5205,11592,5978],{"class":5303},[5205,11594,5981],{"class":5226},[5205,11596,5984],{"class":5243},[5205,11598,5987],{"class":5226},[5205,11600,5990],{"class":5303},[5205,11602,5993],{"class":5256},[5205,11604,5543],{"class":5226},[5205,11606,11607],{"class":5207,"line":5215},[5205,11608,5273],{"emptyLinePlaceholder":5272},[5205,11610,11611,11613,11616,11618,11620,11622,11624,11626,11628,11630,11632,11634,11636,11638,11640,11642,11644,11646,11648,11650],{"class":5207,"line":5240},[5205,11612,5288],{"class":5218},[5205,11614,11615],{"class":5233}," loadAndParse",[5205,11617,5253],{"class":5226},[5205,11619,5488],{"class":5233},[5205,11621,5491],{"class":5226},[5205,11623,5400],{"class":5243},[5205,11625,5479],{"class":5226},[5205,11627,5925],{"class":5482},[5205,11629,5928],{"class":5226},[5205,11631,5140],{"class":5482},[5205,11633,5260],{"class":5226},[5205,11635,6022],{"class":5243},[5205,11637,5938],{"class":5226},[5205,11639,7337],{"class":5482},[5205,11641,5501],{"class":5226},[5205,11643,5504],{"class":5218},[5205,11645,5507],{"class":5482},[5205,11647,5510],{"class":5226},[5205,11649,5513],{"class":5482},[5205,11651,5516],{"class":5226},[5205,11653,11654,11656,11658,11661,11663,11665,11667,11669,11671,11674,11676,11678],{"class":5207,"line":5269},[5205,11655,6242],{"class":5233},[5205,11657,5253],{"class":5226},[5205,11659,11660],{"class":5256},"'.\u002Fdata.json'",[5205,11662,5260],{"class":5226},[5205,11664,6013],{"class":5256},[5205,11666,5585],{"class":5226},[5205,11668,5400],{"class":5243},[5205,11670,5260],{"class":5226},[5205,11672,11673],{"class":5243},"content",[5205,11675,5501],{"class":5226},[5205,11677,5504],{"class":5218},[5205,11679,5516],{"class":5226},[5205,11681,11682,11684,11686,11688,11690,11692,11694,11696,11698],{"class":5207,"line":5276},[5205,11683,6769],{"class":5303},[5205,11685,5184],{"class":5226},[5205,11687,5400],{"class":5243},[5205,11689,5501],{"class":5226},[5205,11691,5637],{"class":5303},[5205,11693,7813],{"class":5233},[5205,11695,5253],{"class":5226},[5205,11697,5400],{"class":5243},[5205,11699,5266],{"class":5226},[5205,11701,11702],{"class":5207,"line":5294},[5205,11703,6816],{"class":5226},[5205,11705,11706,11708],{"class":5207,"line":5300},[5205,11707,7627],{"class":5303},[5205,11709,5516],{"class":5226},[5205,11711,11712,11714,11716,11718,11720,11722,11724,11726,11728],{"class":5207,"line":5326},[5205,11713,6926],{"class":5218},[5205,11715,11471],{"class":5222},[5205,11717,5227],{"class":5226},[5205,11719,6109],{"class":5222},[5205,11721,5247],{"class":5226},[5205,11723,6114],{"class":5233},[5205,11725,5253],{"class":5226},[5205,11727,11673],{"class":5243},[5205,11729,5266],{"class":5226},[5205,11731,11732,11734,11736,11738,11740,11742],{"class":5207,"line":5353},[5205,11733,7400],{"class":5233},[5205,11735,5253],{"class":5226},[5205,11737,5140],{"class":5218},[5205,11739,5260],{"class":5226},[5205,11741,6022],{"class":5243},[5205,11743,5266],{"class":5226},[5205,11745,11746,11748,11750,11752,11754],{"class":5207,"line":5359},[5205,11747,7668],{"class":5226},[5205,11749,6148],{"class":5303},[5205,11751,5184],{"class":5226},[5205,11753,6153],{"class":5243},[5205,11755,5323],{"class":5226},[5205,11757,11758,11760,11762,11764,11766,11768],{"class":5207,"line":5365},[5205,11759,7400],{"class":5233},[5205,11761,5253],{"class":5226},[5205,11763,6153],{"class":5243},[5205,11765,7687],{"class":5303},[5205,11767,6275],{"class":5482},[5205,11769,5266],{"class":5226},[5205,11771,11772],{"class":5207,"line":5370},[5205,11773,6810],{"class":5226},[5205,11775,11776],{"class":5207,"line":5386},[5205,11777,6290],{"class":5226},[5205,11779,11780],{"class":5207,"line":5392},[5205,11781,5563],{"class":5226},[5205,11783,11784],{"class":5207,"line":5410},[5205,11785,5273],{"emptyLinePlaceholder":5272},[5205,11787,11788],{"class":5207,"line":5415},[5205,11789,5572],{"class":5211},[5205,11791,11792,11795,11797,11799,11801,11803,11805,11807],{"class":5207,"line":5420},[5205,11793,11794],{"class":5233},"loadAndParse",[5205,11796,6754],{"class":5226},[5205,11798,5400],{"class":5243},[5205,11800,5260],{"class":5226},[5205,11802,6022],{"class":5243},[5205,11804,5501],{"class":5226},[5205,11806,5504],{"class":5218},[5205,11808,5516],{"class":5226},[5205,11810,11811,11813,11815,11817],{"class":5207,"line":6766},[5205,11812,5304],{"class":5303},[5205,11814,5184],{"class":5226},[5205,11816,5400],{"class":5243},[5205,11818,5323],{"class":5226},[5205,11820,11821,11823,11825,11827,11829,11832,11834,11836],{"class":5207,"line":6778},[5205,11822,5329],{"class":5243},[5205,11824,5247],{"class":5226},[5205,11826,5400],{"class":5233},[5205,11828,5253],{"class":5226},[5205,11830,11831],{"class":5256},"'Помилка:'",[5205,11833,5260],{"class":5226},[5205,11835,5400],{"class":5243},[5205,11837,5266],{"class":5226},[5205,11839,11840,11842],{"class":5207,"line":6799},[5205,11841,6071],{"class":5303},[5205,11843,5543],{"class":5226},[5205,11845,11846],{"class":5207,"line":6807},[5205,11847,5356],{"class":5226},[5205,11849,11850,11852,11854,11856,11858,11861,11863,11865],{"class":5207,"line":6813},[5205,11851,5395],{"class":5243},[5205,11853,5247],{"class":5226},[5205,11855,5334],{"class":5233},[5205,11857,5253],{"class":5226},[5205,11859,11860],{"class":5256},"'Дані:'",[5205,11862,5260],{"class":5226},[5205,11864,6022],{"class":5243},[5205,11866,5266],{"class":5226},[5205,11868,11869],{"class":5207,"line":6819},[5205,11870,5616],{"class":5226},[5196,11872,11875],{"className":5198,"code":11873,"filename":11874,"language":5200,"meta":5201,"style":5201},"import { readFile } from 'node:fs\u002Fpromises';\n\nfunction loadAndParse(): Promise\u003Cany> {\n  return readFile('.\u002Fdata.json', 'utf-8')\n    .then(content => JSON.parse(content));\n}\n\n\u002F\u002F Використання\nloadAndParse()\n  .then(data => console.log('Дані:', data))\n  .catch(error => console.error('Помилка:', error));\n","Promise-based",[5138,11876,11877,11894,11898,11914,11931,11958,11962,11966,11970,11977,12008],{"__ignoreMap":5201},[5205,11878,11879,11881,11883,11885,11887,11889,11892],{"class":5207,"line":5208},[5205,11880,5978],{"class":5303},[5205,11882,5981],{"class":5226},[5205,11884,5984],{"class":5243},[5205,11886,5987],{"class":5226},[5205,11888,5990],{"class":5303},[5205,11890,11891],{"class":5256}," 'node:fs\u002Fpromises'",[5205,11893,5543],{"class":5226},[5205,11895,11896],{"class":5207,"line":5215},[5205,11897,5273],{"emptyLinePlaceholder":5272},[5205,11899,11900,11902,11904,11906,11908,11910,11912],{"class":5207,"line":5240},[5205,11901,5288],{"class":5218},[5205,11903,11615],{"class":5233},[5205,11905,11455],{"class":5226},[5205,11907,5179],{"class":5482},[5205,11909,5912],{"class":5226},[5205,11911,7337],{"class":5482},[5205,11913,11464],{"class":5226},[5205,11915,11916,11918,11920,11922,11924,11926,11928],{"class":5207,"line":5269},[5205,11917,11493],{"class":5303},[5205,11919,11422],{"class":5233},[5205,11921,5253],{"class":5226},[5205,11923,11660],{"class":5256},[5205,11925,5260],{"class":5226},[5205,11927,6013],{"class":5256},[5205,11929,11930],{"class":5226},")\n",[5205,11932,11933,11936,11939,11941,11943,11946,11948,11950,11952,11954,11956],{"class":5207,"line":5276},[5205,11934,11935],{"class":5226},"    .",[5205,11937,11938],{"class":5233},"then",[5205,11940,5253],{"class":5226},[5205,11942,11673],{"class":5243},[5205,11944,11945],{"class":5218}," =>",[5205,11947,11496],{"class":5222},[5205,11949,5247],{"class":5226},[5205,11951,6114],{"class":5233},[5205,11953,5253],{"class":5226},[5205,11955,11673],{"class":5243},[5205,11957,9256],{"class":5226},[5205,11959,11960],{"class":5207,"line":5294},[5205,11961,5563],{"class":5226},[5205,11963,11964],{"class":5207,"line":5300},[5205,11965,5273],{"emptyLinePlaceholder":5272},[5205,11967,11968],{"class":5207,"line":5326},[5205,11969,5572],{"class":5211},[5205,11971,11972,11974],{"class":5207,"line":5353},[5205,11973,11794],{"class":5233},[5205,11975,11976],{"class":5226},"()\n",[5205,11978,11979,11982,11984,11986,11988,11990,11993,11995,11997,11999,12001,12003,12005],{"class":5207,"line":5359},[5205,11980,11981],{"class":5226},"  .",[5205,11983,11938],{"class":5233},[5205,11985,5253],{"class":5226},[5205,11987,6022],{"class":5243},[5205,11989,11945],{"class":5218},[5205,11991,11992],{"class":5243}," console",[5205,11994,5247],{"class":5226},[5205,11996,5334],{"class":5233},[5205,11998,5253],{"class":5226},[5205,12000,11860],{"class":5256},[5205,12002,5260],{"class":5226},[5205,12004,6022],{"class":5243},[5205,12006,12007],{"class":5226},"))\n",[5205,12009,12010,12012,12014,12016,12018,12020,12022,12024,12026,12028,12030,12032,12034],{"class":5207,"line":5365},[5205,12011,11981],{"class":5226},[5205,12013,6148],{"class":5233},[5205,12015,5253],{"class":5226},[5205,12017,5400],{"class":5243},[5205,12019,11945],{"class":5218},[5205,12021,11992],{"class":5243},[5205,12023,5247],{"class":5226},[5205,12025,5400],{"class":5233},[5205,12027,5253],{"class":5226},[5205,12029,11831],{"class":5256},[5205,12031,5260],{"class":5226},[5205,12033,5400],{"class":5243},[5205,12035,9256],{"class":5226},[5196,12037,12040],{"className":5198,"code":12038,"filename":12039,"language":5200,"meta":5201,"style":5201},"import { readFile } from 'node:fs\u002Fpromises';\n\nasync function loadAndParse(): Promise\u003Cany> {\n  const content = await readFile('.\u002Fdata.json', 'utf-8');\n  return JSON.parse(content);\n}\n\n\u002F\u002F Використання\ntry {\n  const data = await loadAndParse();\n  console.log('Дані:', data);\n} catch (error) {\n  console.error('Помилка:', error);\n}\n","Async\u002FAwait",[5138,12041,12042,12058,12062,12080,12103,12119,12123,12127,12131,12137,12151,12169,12181,12199],{"__ignoreMap":5201},[5205,12043,12044,12046,12048,12050,12052,12054,12056],{"class":5207,"line":5208},[5205,12045,5978],{"class":5303},[5205,12047,5981],{"class":5226},[5205,12049,5984],{"class":5243},[5205,12051,5987],{"class":5226},[5205,12053,5990],{"class":5303},[5205,12055,11891],{"class":5256},[5205,12057,5543],{"class":5226},[5205,12059,12060],{"class":5207,"line":5215},[5205,12061,5273],{"emptyLinePlaceholder":5272},[5205,12063,12064,12066,12068,12070,12072,12074,12076,12078],{"class":5207,"line":5240},[5205,12065,11447],{"class":5218},[5205,12067,11450],{"class":5218},[5205,12069,11615],{"class":5233},[5205,12071,11455],{"class":5226},[5205,12073,5179],{"class":5482},[5205,12075,5912],{"class":5226},[5205,12077,7337],{"class":5482},[5205,12079,11464],{"class":5226},[5205,12081,12082,12084,12087,12089,12091,12093,12095,12097,12099,12101],{"class":5207,"line":5269},[5205,12083,5521],{"class":5218},[5205,12085,12086],{"class":5222}," content",[5205,12088,5227],{"class":5226},[5205,12090,11476],{"class":5303},[5205,12092,11422],{"class":5233},[5205,12094,5253],{"class":5226},[5205,12096,11660],{"class":5256},[5205,12098,5260],{"class":5226},[5205,12100,6013],{"class":5256},[5205,12102,5266],{"class":5226},[5205,12104,12105,12107,12109,12111,12113,12115,12117],{"class":5207,"line":5276},[5205,12106,11493],{"class":5303},[5205,12108,11496],{"class":5222},[5205,12110,5247],{"class":5226},[5205,12112,6114],{"class":5233},[5205,12114,5253],{"class":5226},[5205,12116,11673],{"class":5243},[5205,12118,5266],{"class":5226},[5205,12120,12121],{"class":5207,"line":5294},[5205,12122,5563],{"class":5226},[5205,12124,12125],{"class":5207,"line":5300},[5205,12126,5273],{"emptyLinePlaceholder":5272},[5205,12128,12129],{"class":5207,"line":5326},[5205,12130,5572],{"class":5211},[5205,12132,12133,12135],{"class":5207,"line":5353},[5205,12134,6235],{"class":5303},[5205,12136,5516],{"class":5226},[5205,12138,12139,12141,12143,12145,12147,12149],{"class":5207,"line":5359},[5205,12140,5521],{"class":5218},[5205,12142,11471],{"class":5222},[5205,12144,5227],{"class":5226},[5205,12146,11476],{"class":5303},[5205,12148,11615],{"class":5233},[5205,12150,5237],{"class":5226},[5205,12152,12153,12155,12157,12159,12161,12163,12165,12167],{"class":5207,"line":5365},[5205,12154,5395],{"class":5243},[5205,12156,5247],{"class":5226},[5205,12158,5334],{"class":5233},[5205,12160,5253],{"class":5226},[5205,12162,11860],{"class":5256},[5205,12164,5260],{"class":5226},[5205,12166,6022],{"class":5243},[5205,12168,5266],{"class":5226},[5205,12170,12171,12173,12175,12177,12179],{"class":5207,"line":5370},[5205,12172,6295],{"class":5226},[5205,12174,6148],{"class":5303},[5205,12176,5184],{"class":5226},[5205,12178,5400],{"class":5243},[5205,12180,5323],{"class":5226},[5205,12182,12183,12185,12187,12189,12191,12193,12195,12197],{"class":5207,"line":5386},[5205,12184,5395],{"class":5243},[5205,12186,5247],{"class":5226},[5205,12188,5400],{"class":5233},[5205,12190,5253],{"class":5226},[5205,12192,11831],{"class":5256},[5205,12194,5260],{"class":5226},[5205,12196,5400],{"class":5243},[5205,12198,5266],{"class":5226},[5205,12200,12201],{"class":5207,"line":5392},[5205,12202,5563],{"class":5226},[5161,12204,12206],{"id":12205},"підсумок-та-закріплення-матеріалу","Підсумок та закріплення матеріалу",[5166,12208,12209],{},"У цій лекції ми детально розглянули callback як перший механізм асинхронності у Node.js:",[5084,12211,12212,12235,12255,12270],{},[5087,12213,12216],{"icon":12214,"title":12215},"i-lucide-alert-triangle","📌 Error-First Callback",[5092,12217,12218,12221,12224,12229],{},[5095,12219,12220],{},"Стандарт Node.js: перший параметр — помилка, другий — результат.",[5095,12222,12223],{},"Форсує явну обробку помилок на кожному рівні.",[5095,12225,12226,12227,5247],{},"Не можна перехопити помилки через зовнішній ",[5138,12228,6209],{},[5095,12230,12231,12232,12234],{},"Вимагає ",[5138,12233,5637],{}," після виклику callback для запобігання подальшого виконання.",[5087,12236,12238],{"icon":943,"title":12237},"🔴 Callback Hell",[5092,12239,12240,12243,12246,12249],{},[5095,12241,12242],{},"Глибока вкладеність призводить до піраміди коду.",[5095,12244,12245],{},"Дублювання логіки обробки помилок.",[5095,12247,12248],{},"Складність управління ресурсами (закриття з'єднань, файлів).",[5095,12250,12251,12252,12254],{},"Рішення: іменовані функції, бібліотеки ",[5138,12253,9186],{}," (застарілі), міграція на проміси.",[5087,12256,12259],{"icon":12257,"title":12258},"i-lucide-git-fork","⚠️ Інверсія керування",[5092,12260,12261,12264,12267],{},[5095,12262,12263],{},"Передача callback = передача контролю над виконанням.",[5095,12265,12266],{},"Немає гарантій щодо кількості викликів, таймінгу, параметрів.",[5095,12268,12269],{},"Проміси повертають контроль розробнику через явний інтерфейс.",[5087,12271,12273],{"icon":2492,"title":12272},"🔄 Сучасний контекст",[5092,12274,12275,12278,12283],{},[5095,12276,12277],{},"Callback залишаються у EventEmitter, Streams, низькорівневих API.",[5095,12279,12280,12281,5247],{},"Для нового коду використовуйте проміси та ",[5138,12282,5442],{},[5095,12284,12285,12286,5247],{},"Старі callback-based API можна обгорнути через ",[5138,12287,11355],{},[12289,12290,12291,12305,12409],"accordion",{},[12292,12293,12296,12297,12300,12301,12304],"accordion-item",{"icon":12294,"label":12295},"i-lucide-help-circle","❓ Чому проміси не замінили callback повністю?","Callback залишаються оптимальним рішенням для подієвих інтерфейсів, де одна операція може генерувати множинні події (наприклад, стрім даних). Проміс може бути вирішено (",[5105,12298,12299],{},"resolved",") або відхилено (",[5105,12302,12303],{},"rejected",") лише один раз, що робить його непридатним для багатократних подій. EventEmitter із callback дозволяє підписатися на події, які відбуваються багато разів.",[12292,12306,12308,12317],{"icon":12294,"label":12307},"❓ Що таке util.promisify і як його використовувати?",[5166,12309,12310,12312,12313,12316],{},[5138,12311,11355],{}," — вбудована утиліта Node.js, яка автоматично перетворює функції у форматі Error-First Callback у функції, що повертають проміси. Вона працює з будь-якою функцією, остання parameter якої є callback у форматі ",[5138,12314,12315],{},"(error, result) => void",". Приклад:",[5196,12318,12320],{"className":5198,"code":12319,"language":5200,"meta":5201,"style":5201},"import { readFile as readFileCallback } from 'node:fs';\nimport { promisify } from 'node:util';\n\nconst readFile = promisify(readFileCallback);\n\n\u002F\u002F Тепер можна використовувати з async\u002Fawait\nconst content = await readFile('.\u002Ffile.txt', 'utf-8');\n",[5138,12321,12322,12342,12358,12362,12378,12382,12386],{"__ignoreMap":5201},[5205,12323,12324,12326,12328,12330,12332,12334,12336,12338,12340],{"class":5207,"line":5208},[5205,12325,5978],{"class":5303},[5205,12327,5981],{"class":5226},[5205,12329,5984],{"class":5243},[5205,12331,7687],{"class":5303},[5205,12333,11380],{"class":5243},[5205,12335,5987],{"class":5226},[5205,12337,5990],{"class":5303},[5205,12339,5993],{"class":5256},[5205,12341,5543],{"class":5226},[5205,12343,12344,12346,12348,12350,12352,12354,12356],{"class":5207,"line":5215},[5205,12345,5978],{"class":5303},[5205,12347,5981],{"class":5226},[5205,12349,11397],{"class":5243},[5205,12351,5987],{"class":5226},[5205,12353,5990],{"class":5303},[5205,12355,11404],{"class":5256},[5205,12357,5543],{"class":5226},[5205,12359,12360],{"class":5207,"line":5240},[5205,12361,5273],{"emptyLinePlaceholder":5272},[5205,12363,12364,12366,12368,12370,12372,12374,12376],{"class":5207,"line":5269},[5205,12365,5219],{"class":5218},[5205,12367,11422],{"class":5222},[5205,12369,5227],{"class":5226},[5205,12371,11397],{"class":5233},[5205,12373,5253],{"class":5226},[5205,12375,11431],{"class":5243},[5205,12377,5266],{"class":5226},[5205,12379,12380],{"class":5207,"line":5276},[5205,12381,5273],{"emptyLinePlaceholder":5272},[5205,12383,12384],{"class":5207,"line":5294},[5205,12385,11442],{"class":5211},[5205,12387,12388,12390,12392,12394,12396,12398,12400,12403,12405,12407],{"class":5207,"line":5300},[5205,12389,5219],{"class":5218},[5205,12391,12086],{"class":5222},[5205,12393,5227],{"class":5226},[5205,12395,11476],{"class":5303},[5205,12397,11422],{"class":5233},[5205,12399,5253],{"class":5226},[5205,12401,12402],{"class":5256},"'.\u002Ffile.txt'",[5205,12404,5260],{"class":5226},[5205,12406,6013],{"class":5256},[5205,12408,5266],{"class":5226},[12292,12410,12412,12413,12415,12416,12418],{"icon":12294,"label":12411},"❓ Як обробляти помилки, якщо callback викликається багато разів?","Якщо callback може викликатися багато разів (наприклад, у EventEmitter), помилки зазвичай обробляються через окрему подію ",[5138,12414,11058],{},". Розробник підписується на цю подію та обробляє помилки централізовано, а не у кожному callback окремо. Це усуває необхідність перевірки ",[5138,12417,10836],{}," у кожному обробнику даних.",[5166,12420,12421,12422,12424,12425,5247],{},"У наступній лекції ми детально розглянемо проміси (",[5105,12423,5175],{},") — сучасний механізм асинхронності, який вирішує більшість проблем callback-based коду та є основою для ",[5138,12426,5442],{},[12428,12429,12430],"style",{},"html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .s-QsJ, html code.shiki .s-QsJ{--shiki-light:#0070C1;--shiki-default:#4FC1FF;--shiki-dark:#4FC1FF}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .s8Opu, html code.shiki .s8Opu{--shiki-light:#795E26;--shiki-default:#DCDCAA;--shiki-dark:#DCDCAA}html pre.shiki code .siwwj, html code.shiki .siwwj{--shiki-light:#001080;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html pre.shiki code .sbdoH, html code.shiki .sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .s8xlr, html code.shiki .s8xlr{--shiki-light:#AF00DB;--shiki-default:#C586C0;--shiki-dark:#C586C0}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sN1BT, html code.shiki .sN1BT{--shiki-light:#267F99;--shiki-default:#4EC9B0;--shiki-dark:#4EC9B0}html pre.shiki code .sD7JJ, html code.shiki .sD7JJ{--shiki-light:#000000FF;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}",{"title":5201,"searchDepth":5215,"depth":5215,"links":12432},[12433,12434,12435,12436,12437,12438,12439,12440,12441,12442,12443,12448,12456,12457],{"id":5163,"depth":5215,"text":5164},{"id":5446,"depth":5215,"text":5447},{"id":5882,"depth":5215,"text":5883},{"id":6498,"depth":5215,"text":6499},{"id":7262,"depth":5215,"text":7263},{"id":7917,"depth":5215,"text":7918},{"id":8162,"depth":5215,"text":8163},{"id":9203,"depth":5215,"text":9204},{"id":9675,"depth":5215,"text":9676},{"id":10798,"depth":5215,"text":10799},{"id":10909,"depth":5215,"text":10910,"children":12444},[12445,12446,12447],{"id":10920,"depth":5240,"text":10921},{"id":11129,"depth":5240,"text":11130},{"id":11345,"depth":5240,"text":11346},{"id":11513,"depth":5215,"text":11514,"children":12449},[12450,12451,12453,12454,12455],{"id":11523,"depth":5240,"text":11524},{"id":11533,"depth":5240,"text":12452},"Правило 2: Використовуйте return callback(...) для раннього виходу",{"id":11543,"depth":5240,"text":11544},{"id":11550,"depth":5240,"text":11551},{"id":11563,"depth":5240,"text":11564},{"id":11575,"depth":5215,"text":11576},{"id":12205,"depth":5215,"text":12206},"Error-First Callback pattern, Callback Hell, проблеми та обмеження","md",null,{},{"title":4230,"description":12458},"aujQgFMhRyFvqkVlqGG0GURwoViLoLOJSrvICbye4m8",[12465,12467],{"title":4226,"path":4227,"stem":4228,"description":12466,"children":-1},"Блокування потоку, наслідки для продуктивності, чому Node.js асинхронний",{"title":4234,"path":4235,"stem":4236,"description":12468,"children":-1},"Стани Promise, створення, ланцюжки then\u002Fcatch\u002Ffinally, обробка помилок",1790366047484]