The uphill climb of making diff lines performant
Pull requests are the beating heart of GitHub. As engineers, this is where we spend a good portion of our time. And at GitHub’s scale—where pull requests can range from tiny one-line fixes to changes spanning thousands of files and millions of lines—the pull request review experience has to stay fast and responsive. We recently shipped the new React-based experience for the Files changed tab (now
How and when to use subagents in Claude Code | Claude
Claude Code handles complex, multi-step projects well, but long sessions accumulate weight. Every file read, every tangent explored, every half-finished thought stays in the context window, slowing responses and driving up token costs. Consider building a new feature in a large TypeScript monorepo. The main work is the implementation, but side tasks keep appearing: trace how an existing service ha
GitHub - betterleaks/betterleaks: A Better Secrets Scanner built for configurability and speed
Betterleaks is a tool for detecting secrets like passwords, API keys, and tokens in git repos, files, and whatever else you wanna throw at it via stdin. If you wanna learn more about how the detection engine works check out this blog: Regex is (almost) all you need. Betterleaks development is supported by Aikido Security ➜ ~/code(master) betterleaks git -v ○ ○ ● ○ Betterleaks v1.0.0 Finding: "expo
Release pnpm 11 RC 0 · pnpm/pnpm
Highlights Major Node.js 22+ required — support for Node 18, 19, 20, and 21 is dropped, pnpm itself is now pure ESM, and the standalone exe requires glibc 2.27. Supply-chain protection on by default — minimumReleaseAge defaults to 1 day (newly published packages are not resolved for 24h) and blockExoticSubdeps defaults to true. allowBuilds replaces the old build-dependency settings — onlyBuiltDepe
I've sold out
I've sold out 2026-04-08 What a nice WebGL shader. Look at draining your battery. Table of contents So, this is awkward. I've joined Cristina, Jakob, Ramiz, Vegard, Armin, and Colin at Earendil. And I'm taking pi, the little coding agent that could, with me. Now, before you get out the pitchforks, hear me out. Why would you do that? Many reasons! Let me give you a "quick" history lesson. "It's lik
A “diff” tool for AI: Finding behavioral differences in new models
A “diff” tool for AI: Finding behavioral differences in new models Every time a new AI model is released, its developers run a suite of evaluations to measure its performance and safety. These tests are essential, but they are somewhat limited. Because these benchmarks are human-authored, they can only test for risks we have already conceptualized and learned to measure. This approach to safety is
<img>: 画像埋め込み要素 - HTML | MDN
上記の例では、 <img> 要素の使い方を示しています。 src 属性は、埋め込みたい画像へのパスを保持します。srcset 属性が利用できる場合、src 属性は必須ではありません。ただし、src 属性または srcset 属性の少なくとも一方は指定しなければなりません。 alt 属性は、この画像のテキストによる代替情報を保持します。これは必須であり、アクセシビリティに非常に役立つものです。スクリーンリーダーは、この属性値をユーザーに読み上げるので、画像の意味が分かります。また、ネットワークエラーやコンテンツのブロック、リンク切れ等の理由で画像が読み込めなかった場合にも代替テキストが表示されます。 他にも、様々な目的で指定できる属性がたくさんあります。 セキュリティとプライバシーのためのリファラー/CORS 制御。 crossorigin および referrerpolicy を参照してく
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Diffs, from Pierre