urban weekly #124

Good to know

How we made geo joins 400× faster with H3 indexes - Geospatial functions are expensive, and they often force a loop join that starts to feel quadratic as your tables grow. sql
GitHub Agentic Workflows - Repository automation, running the coding agents you know and love, with strong guardrails in GitHub Actions. ai, github 🔥
The hidden danger of shipping fast - What to do when product velocity breaks the speed of adoption shipping, engineering 🔥
Transformers.js v4 Preview - Now Available on NPM! ai, javascript Transformers.js v4 Preview
Copilot SDK in technical preview - The Copilot SDK is now available in technical preview, providing language-specific SDKs for programmatic access to the GitHub Copilot CLI. ai, github, copilot 🔥
ESLint v10.0.0 released - We just pushed ESLint v10.0.0, which is a major release upgrade of ESLint. linter
Hello Entire World - Today, we are announcing our new company, Entire, backed by a $60 million seed round to build the world's next developer platform. entire Hello Entire World
Minions - Stripe’s one-shot, end-to-end coding agents ai, stripe 🔥
Why "just prompt better" doesn't work - How coding assistants get in the way of constraints discovery ai, coding
Building at the Speed of Thought - The night before — a Sunday — I had connected the scheduling system to my autonomous development pipeline and gone to sleep. ai
Postgres Locks Explained - From novice to expert postgres, locks
Error handling in bash - Bash scripts are usually system glue bash, error
Announcing msgvault - Lightning fast private email archive and search system, with terminal UI and MCP server, powered by DuckDB email, mcp, cli 🔥
How I Use Claude Code - I’ve been using Claude Code as my primary development tool for approx 9 months, and the workflow I’ve settled into is radically different from what most people do with AI coding tools. ai, engineering
Is Node.js Single-Threaded… or Not? - You’ve probably heard: Node.js is single-threaded. That statement is only partially correct. nodejs
In defense of not reading the code - Last week, I wrote an article whose purpose was to discuss where I saw AI-assisted coding going. That's not what generated 200 comments worth of passionate... ai, engineering
I Improved 15 LLMs at Coding in One Afternoon. Only the Harness Changed. - In fact only the edit tool changed. That’s it. ai, engineering
Lines of Code Are Back (And It's Worse Than Before)Lines of Code Are Back (And It's Worse Than Before) - The metric we killed is back, and AI made it worse loc, engineering
Introducing Markdown for Agents - The way content and businesses are discovered online is changing rapidly. markdown, cloudflare
14 More lessons from 14 years at Google - This time about teams, trust, and the systems around the code. lessons, ai
Why Am I Doing the Thinking for You? - I got a Slack message the other week, just - What do you think? engineering
Two kinds of AI users are emerging - The gap between them is astonishing. engineering, ai
Virtual Scrolling for Billions of Rows - Techniques from HighTable scrolling, css Virtual Scrolling for Billions of Rows
Building Bulletproof React Components - Most components are built for the happy path. react, javascript, components, ui
Components Will Kill Pages - The internet is changing. engineering, web, ui

Read it! Read it! Read it!

Something Big Is Happening - Think back to February 2020. ai 🔥

Code and Tools

agent-slack - Slack automation CLI for AI agents ai, slack 🔥
Griddy Icons - Lightweight icon library icons
Vouch - A community trust management system based on explicit vouches to participate. community, trust, management 🔥
Gemini CLI - An open-source AI agent that brings the power of Gemini directly into your terminal. ai, terminal 🔥
Claude Code Skills - Skills for Claude Code CLI such as full stack dev Cloudflare, React, Tailwind v4, and AI integrations. ai, claude, skills
just-bash - Bash for Agents ai, bash 🔥
broz - A simple, frameless browser for screenshots browser, screenshots broz
SVG Studio - SVG Studio is a browser-based tool for developers and designers who work with SVG. svg
almostnode - Node.js in your browser. Just like that. nodejs, browser
@vinejs/vine - VineJS is a form data validation library for Node.js nodejs, validation
Shrink your codebase 5-10x - CodeSpeak is a next-generation programming language powered by LLMs ai, code, language
Karpathy-Inspired Claude Code Guidelines - A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls. ai, skills
Rari - High-performance React Server Components framework powered by a Rust runtime, delivering 9.1x faster response times (0.43ms vs 3.92ms) and 46.5x higher throughput (74,662 vs 1,605 req/sec) than Next.js with zero-config setup. react, server, rust, performance 🔥
FrankenTUI - Minimal, high-performance terminal UI kernel with diff-based rendering, inline mode, and RAII terminal cleanup terminal, ui FrankenTUI
Bearnie - Accessible components for Astro and Tailwind CSS. Components are copied to your project. You own and control the code. accessibility, astro, tailwind
crashcatcrashcat - physics engine for javascript, built for games, simulations, and creative websites physics, javascript, games, simulations
WireText - Unicode Wireframe Design Tool design, wireframe, asciiart

Videos

Vite, Rust & The Future of JavaScript Tooling - In this episode, Evan You, creator of Vue.js and Vite, shares his journey from building Vite to founding VoidZero and developing a complete Rust-based JavaScript toolchain. js, rust, tools 🔥
Beyond the AI Hype - What's Real, What's Next - NDC London ai
Adam Urban

Published on 2026-02-16, last updated on 2026-02-17 by Adam

Subscribe to weeklyfoo newsletter

Related posts

Comments