Kotlin
- Kotlin Context Parameters –Ralf Stuckert
Great article about Context Parameters for Extension Functions! - Kotlin on JVM Proves Java Syntax is the Problem – TechPreneur
Good observations and facts - I tried switching to Kotlin and ended up back with Java — here’s why – Shanvika Devi
Fair comparison – but I would doubt the reasons to change back (e.g. duration of review depends more on the size of commits and implemented requirements than on the language itself if you are familiar with the language and the commit isn’t “tricky” implemented)
Java / JVM
- The JVM Flag That Can Double Your Spring Boot Performance Overnight – CodeSculptorXWhy using ZGC as a garbage collector is important
- 5 Uncommon Habits for Writing Truly Great Unit Test – Skilled Coder
I like most “write a test that reproduces it before fixing the code” - I Doubled My Spring Boot App’s Speed With Just 5 JVM Flags – Concurrent Mind
The 5 flags are wisely choosen - Docker Made Our Java Apps 10x Slower (Until We Fixed This One Thing) – Devrim Ozcay
Another story about JVM flags
Spring Boot
- 10 New Features of Spring Boot 4 That Actually Matter For Production – DevTrendsDaily
Useful tips – I like most ‘API Versioning Added Functionality’ - WebFlux vs Virtual Threads: I Hit Both With 100K Requests — One Struggled Badly – Concurrent Mind
Explains also WHY there are differences between the two - Stop Overcomplicating Your Spring Boot Apps: Embrace Functional Configuration for Simplicity and Speed – CodeTalks
Take a look at the new possibilites of functional programming in Spring - 17 Spring Boot Architecture Habits That Separate Senior Devs From the Rest – Ujjawal Rohra
I agree with most of them, maybe not with 9
React
- The Hook I Use in Every React Project (You’ll Want It Too) – Daniel Scott
Simple solution for simple situations when handling asyncron calls - Stop Overcomplicating State in React — This Is What Clean Code Looks Like – Daniel Scott
You write code once but read it 10x, so write it as simple as you can (here when handling situations with global context) - Great React engineers don’t make these five mistakes – Emmanuel Meric de Bellefon
5 really nice hints to avoid mistakes - 7 React Patterns That Made Me a Better Front-End Developer – Daniel Scott
General hints (I don’t think they are patterns), but good to remember - 10 Expert React Tricks Beginners Should Know! – Daniel Scott
As a beginner in React, I really like this tips - 4 Ways to Avoid Unnecessary Re-Render in React (2025) – The NewGenCoder
Stop re-render by moving state down, lifting state up and useRef - My Go-To Pattern for Clean React Components – Mark Henry
It’s about Separate Logic, UI, and Side Effects, Custom Hooks and Containers or Composers
MacOS
- 13 Free Mac Apps That Are Actually Very Useful – Faizan Saghir
This apps are really useful – I like most Espanso