writing
Writing about systems I’ve built, open source, and technical questions I’ve tried to answer.
filter:
| 2026-09-12 | A Checkpoint in the Middle of an INSERT How a checkpoint invalidated an unfinished INSERT’s cursor in Turso. |
| 2026-08-12 | How a Python type checker decides a variable is unused ty tracks reads across Python scopes to decide which local bindings your editor should dim. |
| 2026-07-07 | Runtime Promises - What AWS Lambda Was Hiding A class of bugs Lambda's runtime had been quietly absorbing. The migration to long-running services exposed them. |