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[EN] Pogo: The VCS that consciously goes back to the central server
[EN] Pogo: The VCS that …

Git won. That is undisputed. But “won” doesn’t mean “perfect” - and in recent years more and more tools have appeared that address exactly the corners that Git has been hitting for decades: confusing staging areas, merge conflicts that block your entire workflow, a …

[EN] Java 26: What's new?
[EN] Java 26: What's new?

Hello everyone,

Six months have passed since the last article about Java 24 and Java 25 - and Java continues to tick along at the usual six-month interval. Java 26 was released on March 17, 2026, the first release after the LTS milestone Java 25. No long-term support this time, but again a package …

[EN] Idempotency Keys in Spring Boot: Safely prevent duplicate POST requests
[EN] Idempotency Keys in …

The third part of our series was about If-Match and how you can use it to prevent lost updates for PUT and PATCH - two clients process the same resource, the server detects the collision based on the ETag and rejects the stale write access. One question remained unanswered: What about POST? When …