Notes

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Field notes, long-form articles, manuals, and decision records — written while building, kept current or explicitly marked stale.

Article

Android 4.4 KitKat: Android on 512 MB

API 19, October 2013. Project Svelte fit Android into 512 MB of RAM, apps got a storage access framework and NFC card emulation, and SELinux began enforcing.

Oct 202610 min readPart 2 of 19 · Android, version by version

Article

Android 8.1 Oreo: Go edition and on-device ML

API 27, December 2017. It added Android Oreo (Go edition) for phones with 1 GB of RAM or less, the Neural Networks API for on-device ML, and a SharedMemory API.

Oct 202610 min read2 partsPart 9 of 19 · Android, version by version

Article

What Chandra's 85.9% OCR score does not tell you

An open 5B model beats Gemini and GPT-5 Mini at document OCR. Two things the leaderboard omits: who wrote the benchmark, and what the licence permits.

Jul 20266 min read

Note

Pretext: skip the browser's most expensive operation

Measure text once with a canvas font oracle, then lay out lines with pure arithmetic — no DOM reads, no reflow. A four-part series with two live demos.

Apr 202616 min read4 parts