Kotlin29 articles

Table of Contents RequirementsDetecting both exact and fuzzy matchesLanguage-agnosticConfigurableDefinitionsChunkInterfaceTest dataTestsNext steps Other languages: Español 한국어 Português 中文 This post is about the development of the duplicate finder tool. For downloads and instructions on how to use it, see the Download page It’s been …

Table of Contents Short introduction to VaadinVaadin setupFirst steps with VaadinAdding componentsUser interactionsConclusion I’ve written a lot about Vaadin. I was so enthusiastic that I wrote the first book about it (besides the Book of Vaadin), its updated edition for …

I’m often asked by friends and colleagues what it’s like to test a compiler, so I decided to write an article about it.

I reached out to one of my fellow Java developers who is very experienced and has been working in the industry forever and asked for his thoughts about the observability improvements in JDK 21 and Spring Boot 3.2.

Learn how to debug unresponsive Java/JVM applications, then reload the fix on the fly, using a hands-on example.

Let’s make a duplicate finder for documentation together – a tool to quickly detect non-exact, or fuzzy, matches in large text repositories.

Learn how to use IntelliJ IDEA’s Pause – a lesser known feature that will help you diagnose UI freezes, deadlocks, livelocks, and more

In this article, we continue diving into TestContainers and Supabase, and run unit tests against a full local self-hosted Supabase.

In this article, I’ll dive into several methods I’ve been looking into to unit test a Kotlin application using Supabase and why I finally decided to go for a Docker Compose / Test Containers solution.

How to use the JetBrains HTTP Client to replace Postman, test third party APIs, share requests and run them in CI all of that within minutes!