kotlinx.coroutines
FlowRiddles
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kotlinx.coroutines | FlowRiddles | |
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59 | 0 | |
12,680 | 34 | |
0.9% | - | |
8.9 | 0.0 | |
2 days ago | over 1 year ago | |
Kotlin | Kotlin | |
Apache License 2.0 | Apache License 2.0 |
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kotlinx.coroutines
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Reactive Backend Applications with Spring Boot, Kotlin and Coroutines (Part 2)
Kotlin has coroutines that are supported by the language and implemented by a library (the implementation remains platform-dependent): kotlinx.coroutines and a sandbox environment is available here to try it out.
- Kotlinx Coroutines for Kotlin 1.7.x
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Why no one recommends the use of the standard library's Result class but a custom sealed class approach?
Sure! runCatching catches Throwable right? Well when you cancel a coroutine it throws a CancellationException and this gets used as a signal to stop execution. runCatching stops that signal so the coroutine keeps running. Lemme find you a link real quick https://github.com/Kotlin/kotlinx.coroutines/issues/1814
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Is there thread switching when moving from Default dispatcher to IO dispatcher using withContext?
According to the author of kotlinx.coroutines lib, it will try to keep the same thread if possible but not always. After my question, he updated the document of Dispatchers.IO to be like this https://github.com/Kotlin/kotlinx.coroutines/pull/3236/files This dispatcher and its views share threads with the [Default][Dispatchers.Default] dispatcher, so using `withContext(Dispatchers.IO) { ... }` when already running on the [Default][Dispatchers.Default] dispatcher typically does not lead to an actual switching to another thread. In such scenarios, the underlying implementation attempts to keep the execution on the same thread on a best-effort basis.
I think it is a great question and you can ask it on github
This is the issue I posted in GitHub https://github.com/Kotlin/kotlinx.coroutines/issues/3234 Thank you for the suggestion
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Am I on the right track?
DI: Dependency injection: Check out Dagger Hilt, Koin or Kodine. Architecture: Android tends to be MVVM but, MVP, MVI and some others exist. Async calls: For kotlin, coroutines. Rxjava can be used with kotlin or java. I'm not actually sure how java devs do asyn calls these days.
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Build, Test and Deploy your Android Application📱 with GitHub Actions 🤖
Kotlin based, Coroutines + Flow for asynchronous.
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Java Virtual Threads Preview
Interestingly, Kotlin Coroutines have been available and in production for a LONG time now.
https://github.com/Kotlin/kotlinx.coroutines
In fact, Kotlin Coroutines are an brilliant on the android platform. We are talking severely memory and CPU constrained architectures here.
That said, Kotlin Coroutines are popularly used in production on server side - https://vertx.io/docs/vertx-lang-kotlin-coroutines/kotlin/
So here's the thing - I would doubt anyone would switch to Java Virtual Threads anytime soon.
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Need Help Testing Callback Style Code with Coroutines
Anyways, it seems like it's a common enough issue that it is getting the attention of the kotlin team. I have high hopes for this PR that looks like it might be close to merging, and has activity within the last couple of days.
FlowRiddles
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Tracking mentions began in Dec 2020.
What are some alternatives?
kotlin-coroutines - Examples for coroutines design in Kotlin
kotlin - The Kotlin Programming Language.
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spring-native - Spring Native is now superseded by Spring Boot 3 official native support
spring-kotlin-coroutine - Kotlin coroutine support for Spring.
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