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Find the 12 highlighted links of weeklyfoo #161:
Building an isolated preview for AI-generated HTML
by Keshav Malik
A srcdoc iframe runs model-written HTML on your own origin, so a security engineer breaks the naive approach and rebuilds it with sandbox and a strict CSP
🚀 Read it!, security, ai, html
Shipping 103,802 dots in 82 KB
by Layers
Quantized coordinates split into streams that expose repeated rows to Brotli, 63% smaller than compressing raw floats, plus a render loop that sleeps when idle
📰 Good to know, performance, compression, javascript
How the Claude Code team does code review
by Anthropic
Merged PRs more than doubled while reverts fell over 40%, by moving most reading to machines, scaling human approval by risk and making rollback fast
📰 Good to know, ai, code-review, agents
Investigating a curious case of font format fallbacks
by Paul Calvano
A font loaded three times as WOFF2, WOFF and TTF, traced through browser errors into Chromium source
📰 Good to know, performance, fonts, web
How a read replica almost took down its primary database
by Photoroom
A lagging BI replica made the primary hold 31.7 TB of WAL while auto-growing disks crept toward a hard limit
📰 Good to know, postgres, postmortem, databases
The AI cost of JavaScript frameworks
by Nolan Lawson
Opus 5.5 builds the same app across frameworks over repeated runs, measuring cost, time, spec compliance, performance and accessibility, with Hono plus htmx, Astro and Nuxt among the cheapest
📰 Good to know, ai, javascript, frameworks
Our AI agent executed the same successful SQL query 254 times
by Funnel
A model swap made a data agent loop instead of finishing, a case for whole-system evals, explicit tool contracts and bounds on repeated behavior
📰 Good to know, ai, agents, evals
Rapier JXL
by jackskip22
Dependency-free JPEG XL encoder in JavaScript, about 30 KB gzipped, with WebGPU quality search, lossless, HDR and JPEG transcoding
🧰 Tools, images, javascript, webgpu
Structs
by Erik Arvidsson
Usable implementation of the Stage 2 TC39 shared structs proposal, so workers can share objects instead of serializing copies
🧰 Tools, javascript, concurrency
pgvolvra
by pgEdge
Trigger-based row history to preview and undo bad updates, deletes or migrations by transaction ID, no superuser needed
🧰 Tools, postgres, databases
tstst
by zzj3720
A TypeScript compiler running inside the TypeScript type system
🤪 Fun, typescript, experiments
Software engineering at Google and CS education with Titus Winters
by Gergely Orosz
Refactoring 250M lines of C++, why Google made testing mandatory, readability reviews and why the CS curriculum needs burning down
📺 Videos, engineering, education, podcast
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