All Categories - Blog of Vincent VAUBAN
January 24, 2026 ·
🔸 TL;DR ▪️ Your job isn’t to “push harder”. It’s to create the conditions where people do their...
January 24, 2026 ·
📆 Jan 22, 23, 26, 27 — jChampions Conference (online, free) How to vote (what each option...
✅ TLDR ▪️ LazyConstant = compute once, thread-safe, immutable-after-init ▪️ Keeps lazy...
January 24, 2026 ·
🔸 TL;DR LangChain4j is a Java library to ship LLM features faster (chat, RAG, agent-like flows...
If you’re building Jakarta EE apps, CDI (Contexts and Dependency Injection) is the “glue” that...
January 24, 2026 ·
🔸 WHY SPRING CERTIFICATION IS A GREAT ASSET TODAY ▪️ Validates real-world, production-ready...
January 24, 2026 ·
🔸 TL;DR ✅ ▪️ A JAX-RS REST resource is typically a plain Java class (POJO). ▪️ It becomes a...
January 24, 2026 ·
🔸 TLDR ✅ ▪️ useWindowSize returns the current [width, height] and updates on every browser...
January 24, 2026 ·
🔸 TL;DR ✅ A flame graph turns thousands of profiler samples into a picture where width = where...
January 24, 2026 ·
🗄️⚡ NOSQL ≠ “READ DB” (DEBUNKING THE READ VS WRITE MYTH) TL;DR: NoSQL isn’t “for reads” and SQL...
January 24, 2026 ·
Git can feel abstract at the beginning: commits, branches, HEAD, merge, rebase… You type commands...
January 24, 2026 ·
🔸 WHY JAVA CERTIFICATION IS A GREAT ASSET TODAY ▪️ Signals up-to-date skills (Java 21: virtual...
January 24, 2026 ·
Curiosity isn’t a personality trait in software… it’s a professional skill. Because tech moves...
January 24, 2026 ·
#poll #stackoverflow #developer #programming #software #search Go further with Java...
January 24, 2026 ·
I just looked at the “questions per month” graph and… wow. Not a gentle decline — a cliff. 😬 ...
January 24, 2026 ·
TL;DR: Performance testing isn’t “run JMeter and pray” 😄 It’s a set of test types, each answering...
January 24, 2026 ·
🔸 TL;DR 🧾 ▪️ Session Beans = managed business services (stateless/stateful/singleton) ▪️ ...
January 24, 2026 ·
Ever find yourself writing the same useState(true/false) + setX(!x) again and again? 😅 For...
January 24, 2026 ·
🔸 TL;DR RxJava helps you model async work as streams: transform data, control concurrency,...
🔸 WHY SPRING CERTIFICATION IS A GREAT ASSET TODAY ▪️ Validates real-world, production-ready...
