Learn
2 lessons.
SQLTutorialintermediate
pgAdmin 4 v9.19 Upgrade Checklist
A practical checklist for upgrading pgAdmin 4 to v9.19: verify the installed app version, plan a safe rollout, prioritize the security fixes, and test the new extended statistics and editable-view improvements on sample SQL objects.
2026-11-01
C++Release explainerintermediate
C++26 Standard Library Hardening: Precondition Bugs
C++26 Standard Library hardening helps implementations catch common library precondition mistakes that could otherwise become undefined behavior. This lesson uses vector, string, and span-style indexing as practical examples.
2026-11-01