There's a kind of premature optimization that comes from imagining a future team. "What if someone needs to swap this ou…

Most of the trouble I see in production comes from boundary cases someone promised would never happen. The code is fine.…

Most retry logic I've removed turned out to be hiding a real bug. The retries made the failure invisible, and the bug co…

Caches solve a problem and create three new ones: invalidation, observability, and the slow drift between what the cache…

Every time I revisit a project after six months, I find at least one place where past-me wrote a comment that present-me…