Random UUIDv4 primary keys quietly double your table size and wreck insert performance. How time-ordered IDs — ULID and the new UUIDv7 standard — fix fragmentation, cache locality, …
Your sql.DB is a pool, not a connection — and treating it wrong leaks connections, hangs services, and triggers Error 1040. A production guide to pool tuning, transactions, …
Coding is switching from visual flight to instrument flight. How AI agents — wired together by the A2A and MCP protocols — become co-pilots in software development, and why the …
Not every team needs Netflix-scale microservices — and monoliths stop scaling long before that. Macroservices (mini-services) are the middle path: domain-sized services, fewer …
Where a variable lives decides who can touch it. A practical tour of local and global scope in Go — shadowing pitfalls, cross-package globals, getters, and sync.Once — with …
Coding skill gets you into the room — it doesn't make you the person everyone turns to. Eight habits that separate the top 1% of software engineers: ambiguity, initiative, …