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Kotlin 9 Extension Function Secrets in Kotlin - Nine Pages Of My LifeNot really secrets but a good recap if you learned Extension Functions some time ago5 Hidden Secrets of…

Kotlin ko-isoSimple abstractions for working with country and language codes in kotlin.kotlin4exampleThis library is intended for anyone that publishes some kind of Kotlin library or code and wants to document…

Java / JVM / JPA Hidden Gems: 8 Powerful JPA Annotations You Might Not Know About - Malvin LokSome impressive JPA features like NamedEntityGraph 5 Advanced Java Techniques for Better…

Java / JVM Write Unit Tests Faster with Instancio - Renan SchmittInteresting library to create tests data7 Rare but Invaluable Java Patterns - Skilled CoderEspecially pattern 3 "Initialisation-on-Demand Holder" was…

JVM JVM Garbage Collectors in Kubernetes - Michael DotsonYou really have to know that a lot of apps fall back to SerialGC and why Spring Boot BindingResult — An Interface…

Kotlin kediatR - TrendyolAn implementation of the Mediator pattern, used to send in-memory messagesKotlin Under the Hood: Exploring Objects, Companion Objects, and Annotations: @JvmStatic, @JvmField, @JvmOverloads - Abhaysing BhosaleDeep review…

Kotlin Hidden Gems of the Kotlin Standard Library - List - Donovan LaDukeThe standard library of Kotlin has sooo much to offer, take a look at this gemsKotlin Under the…

Kotlin Kotlin Design Patterns: Chain Of Responsibility Explained - Michal AnkiersztajnNice explanation of this design pattern Java / JVM Inject Parameters into JUnit - J Steven PerryOffers new possibilities to…

Kotlin Advanced Kotlin Coroutine Cheat sheet (for Android Engineer) - Gaëlle MinisiniGood overview of Coroutine classes and functions Spring Boot Spring Boot 3.3.2 Benchmark: Web, Reactive, CDS, AOT, Virtual Threads,…

Kotlin Any, Unit & Nothing Kotlin Generics Explained - Michal AnkiersztajnBasic knowledge about types - but there is a lot more to say about NothingCoroutine Cancellation and Timeouts - Tanya…