Effective Kotlin @EffectiveKotlin
Profile of the Effective Kotlin book by @marcinmoskala kt.academy/book/effective… Joined July 2018-
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Testing is an unknown Kotlin Coroutines superpower. Let’s me explain it briefly. Inside runTest, all delay calls schedule task to be resumed on a virtual time scheduler. In consequence, coroutines are executed in the same order as if real time was waited, but no delay is needed.…
When coroutine knowledge isn’t shared, reviews drag and bugs slip through. But teams aligned on best practices achieve: ✅ fewer incidents ✅ smoother reviews ✅ faster delivery Coroutines Mastery builds that foundation in 5 weeks coroutinesmastery.com/?utm_source=x&…
When I show my example using async to fetch multiple values, people constantly suggest using awaitAll(). Why? This is nonsense! tinyurl.com/2dxejvus ← Join my 5 week course to learn the best practices and understand advanced features.
Kick: Kotlin Inspection & Control Kit — A Unified Modular Debugging Tool Inside Your App by Artem Bazhanov. blog.kotlin-academy.com/kick-kotlin-in… #Kotlin #AndroidDev #Debugging #MobileDevelopment #KtAcademy
Due to many requests and to give everyone a chance after the summer holidays, we're extending the **Super Early Bird** price for our Coroutines Mastery cohort course until the end of the day on Sunday, September 7th. If you want to stop guessing with `launch` and `async` and…
runBlocking is not always bad practice! Learn where it should be used, where it shouldn't, and where it has better alternatives in our new article by Marcin Moskała. kt.academy/article/run_bl… #Kotlin #Coroutines #Concurrency #SoftwareDevelopment #KtAcademy
Here is my list of the most hated coroutines-related mistakes. Do you have them in your project? You can learn more about how to avoid these and other mistakes in Kotlin in my course Coroutines Mastery. coroutinesmastery.com/?utm_source=x&…
Last moment to join! webinar.kt.academy/kotlin-corouti…
YOUR FINAL NOTICE: The €299 price for Coroutines Mastery ends this weekend! This is the final call to join the cohort at the Super Early-Bird price. On Monday, the price becomes €449. An investment in your Kotlin Coroutines skills—cleaner, faster, bug-free code. Lock in your…
Example Spring Boot configuration of a scope for background tasks, with a custom dispatcher and an exception handler. A dispatcher limited to 50 threads is a popular choice on backend, where we still deal with blocking APIs, so Dispatchers.Default would require very careful use.…
Struggling to balance safety and performance in Kotlin Coroutines ? Blocking calls in non-blocking dispatchers can cause serious issues but there is osmething that can help - BlockHound. Learn how to set it up and track down those blocking calls in my latest article: 🔗…
Kotlin Coroutines offer first-class support for structured concurrency. This is way beyond explicit structured concurrency in Java, and way easier than Reactor, which requires a good understanding of so many functions to make even simple things. What are your thoughts? If you…
We can often transform a coroutine into a StateFlow using stateIn, but should we do that? What do you think?
Java 21+ supports structured concurrency, but it is not its first-class citizen. The difference is huge, like between supporting functional programming but with annonymus objects and interfaces vs real first-class support with lambdas and function types. Kotlin Coroutines have…
Upon completion, you earn a certificate from an official JetBrains Partner. 👉 For developers, this validates your Kotlin skills and helps you overcome imposter syndrome. 👉 For managers, it's a guarantee of quality and expertise. It's a credential that signals you're a…
Coroutines are powerful, but often misused. With Coroutines Mastery, we’re building a new cohort of Kotlin Coroutines Experts — developers ready to master best practices and contribute back to the community. 💙 kt.academy/article/corout…
𝐖𝐡𝐲 𝐜𝐚𝐧𝐜𝐞𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐰𝐨𝐫𝐤𝐬 𝐬𝐨 𝐦𝐮𝐜𝐡 𝐛𝐞𝐭𝐭𝐞𝐫 𝐢𝐧 𝐊𝐨𝐭𝐥𝐢𝐧 𝐂𝐨𝐫𝐨𝐮𝐭𝐢𝐧𝐞𝐬 𝐭𝐡𝐚𝐧 𝐢𝐧 𝐉𝐚𝐯𝐚? The main problem is that thread interruption in Java is cooperative, in a completely manual and unenforced way. Supporting it correctly is hard.…
This is a code that many experienced #Kotlin #Coroutines users get wrong! "After" will be printed after both coroutines from longTask are finished because coroutineScope awaits its children's completion.
I am proud to announce that after years of writing, teaching, and debugging, my most complete work on coroutines is ready. Coroutines Mastery begins this November! 🚀 5 weeks of structured, practical learning together, with a deep dive into best practices and into how coroutines…
Why would I launch a cohort course on Kotlin Coroutines? Every week I see smart engineers hit invisible walls with coroutines: 👉 “I use coroutines daily, but I don’t feel in control.” 👉 “Debugging async code is painful.” 👉 “I’m not sure I’m following best practices.”…
Márton Braun @zsmb13
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