About
Software engineer
Hands-on notes on developer tools, written after actually running them.
We ran three typescript-eslint presets on a real open-source TypeScript library and counted every finding and second. The jump to strict was smaller than the jump to type-aware linting, and the findings themselves tell you whether your team is ready.
4 Nov 2026 · 7 min
Both cut a string at a separator, but they fail in different ways. We ran them on Python 3.13.5 to show where partition() is safer and where split() is the right tool.
2 Nov 2026 · 3 min
What changes when you swap sort() for toSorted(), with a real 1-million-item Node.js benchmark and the support table.
1 Nov 2026 · 3 min
Dragging videos is the official way to change a playlist's order. Here are the steps from YouTube Help, where to find them in YouTube Studio, and the cases where reordering will not work.
31 Oct 2026 · 3 min
The real differences from the Python docs, plus a 1-million-item timing and memory test we ran on Python 3.13.
30 Oct 2026 · 3 min