I've been writing a PPTX exporter, and I wanted the font to travel with the file. When the person opening it doesn't have the font installed, the text falls back to some default and the line breaks drift. PPTX can…
Someone opens a library app to collect a book. They make the text on their phone larger, read the collection details and try to confirm. The label is cut off. On a compact screen, the confirmation button has disappeared below…
You open the profiler, record a session, and the flame chart looks great. 60 frames a second, steady, no dropped frames. You ship it. Then someone clicks a button while the animation is running, and for half a second, nothing happens.
One of my color themes sets three CSS variables to the exact same value: --ink, --accent and the inverse background are all #1F2BE0. That was fine for rendering. It stopped being fine when I needed to go from a computed color…
Cumulative Layout Shift (CLS) is a Core Web Vitals metric that measures how much visible content unexpectedly shifts around on a screen while a page loads. If you have ever tried to tap a button on your phone only to…
Every few months, someone asks me the same question: "What framework is your blog built with? Next.js? Astro?" The answer usually surprises them: none. My blog, wuhuajin.com, is a fully static site built with pure HTML, CSS, and…
David M Williams | Published 30 Oct 2026 GitHub's Ed Summers sees extraordinary potential in natural-language development, while research shows why accessible tools must be accompanied by deliberate effort to produce accessible software. A developer can now describe an idea in ordinary language…
I work on OnePassApps, so this is our own product and everything below is a measurement of our own build, taken today from outside the browser and from one tab of the visible Chrome, signed out, with the network cache…
Yesterday warmup turned out to be free insurance against a hot learning rate, so today I asked whether gradient clipping — the other famous. Tagged with pytorch, machinelearning, deeplearning, hyperparameters. Yesterday's experiment ended with a clean verdict: LR warmup is insurance…
I'm building RKMovies (a tiny 4K player for old phones) — 0.91 MB APK, hardware decode, no accounts, no tracking. The player UI runs on ArtPlayer v5, and I replaced its default controls with my own auto-hide layer. That layer flickered for weeks. Here's…
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