Reading the standard library

There's a kind of premature optimization that comes from imagining a future team. "What if someone needs to swap this out?" Often, no one does.

The fastest debugging trick I've learned is to write out, in one sentence, what the system is supposed to be doing. Half the time I notice the bug while writing the sentence.

Latency budgets work better than latency targets. Targets are aspirational. Budgets force you to delete features when you go over.

I split a 4000-line file into 12 smaller ones this week. The smaller files weren't actually easier to understand. The 4000-line file was a problem of structure, not of length.

I write smaller commits than I used to. The commits are uglier in isolation and much easier to read in sequence.