All Categories - Blog of Vincent VAUBAN
November 3, 2025 ·
🔸 TLDR ▪️ HTTP codes are grouped by first digit: 1xx info, 2xx success, 3xx redirection, 4xx...
November 3, 2025 ·
🔸 TL;DR ▪️ Use startupProbe for apps with slow or spiky boot times. ▪️ It delays liveness...
Hi folks, I’m excited to announce my new book: Spring Certification — Theory-First Study Guide....
November 3, 2025 ·
It’s Friday crosswords time! A tiny puzzle to help you better remember core Java exceptions APIs ...
November 3, 2025 ·
🔸 TLDR - Don’t list projects. Tell stories. - For EACH project / product / component on...
November 3, 2025 ·
Java is not “legacy.” Java is alive, massive, and getting stronger every single year. Just look...
November 3, 2025 ·
🔸 TLDR You can go from mvn package to a secure, signed, production-grade container image...
🍃🎓 SPRING CERTIFICATION — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 🔸 WHY SPRING...
November 2, 2025 ·
🔸 TLDR - When you deal with money 💶, counters 🔄, IDs 🔖, or anything that must be 100% accurate...
November 2, 2025 ·
🔸 TLDR Using Java Streams (filter, map, collect, etc.) makes your code shorter, more readable,...
November 2, 2025 ·
TL;DR 🧠 REST is not always the best fit. ▪️ Need low-latency calls between services? → RPC ...
November 2, 2025 ·
☕🎓 JAVA 21 OCP — TEST YOURSELF (3 QUESTIONS IN THE CAROUSEL) 🚀 🔸 WHY JAVA CERTIFICATION IS A...
November 2, 2025 ·
🌊🚀 RIDE THE WAVE EARLY. In tech, timing matters as much as skill. The people who lean in early...
I’m curious what you actually run in production—vote in the poll and tell us why in the comments ...
November 2, 2025 ·
TLDR 💡 Keep your constructor minimal: only assign the required fields. For anything non...
October 29, 2025 ·
Here we are—mid-Hacktoberfest 2025! 🎃🍂 Whether you’re shipping your first PR or mentoring...
October 26, 2025 ·
TL;DR: Different apps need different GCs. Start with G1, go ZGC/Shenandoah for ultra-low pauses,...
October 26, 2025 ·
It’s Friday crosswords time! A tiny puzzle to help you better remember core Java time APIs — and...
October 26, 2025 ·
🔸 TL;DR ▪️ Data Clumps = the same group of fields (e.g., street, city, zip, or startDate,...
October 25, 2025 ·
Your learning drop for cleaner APIs and safer code. Below are 7 field-tested habits (with tiny...
