Why my CI got 4 minutes faster
Nov 11
Every time I revisit a project after six months, I find at least one place where past-me wrote a comment that present-me…
One commit, two months of cleanup
Oct 30
When a system surprises me, my first instinct used to be to fix the surprise. Now my first instinct is to figure out whi…
On reading other people's code
Dec 19
There's a kind of premature optimization that comes from imagining a future team. "What if someone needs to swap this ou…
Three log lines that saved an outage
Jul 22
If a config file has more than a dozen options, half of them aren't being used. The other half are being used in ways th…
Numbers I check before merging
Feb 5
Most retry logic I've removed turned out to be hiding a real bug. The retries made the failure invisible, and the bug co…