urban weekly #117

Good to know

Introducing CSS Grid Lanes - It’s here, the future of masonry layouts on the web! css πŸ”₯
JSON Structure - A JSON schema language you'll love json πŸ”₯
Prompt caching - 10x cheaper LLM tokens, but how? ai, caching πŸ”₯
12 Predictions for 2026 - Every year I make a list of predictions & score last year’s predictions. review, 2025 12 Predictions for 2026
Logging sucks. - And here's how to make it better. logging
I’m a former CTOI’m a former CTO - Here is the 15 sec coding test I used to instantly filter out 50% of unqualified applicants. interview
Things I learnt about passkeys when building passkeybot - I recently released passkeybot.com, a hosted sign in page that allows you to add passkey auth to your site with just a few server side HTTP handlers. passkeys, authentication
On Friday Deploys - Sometimes that Puppy Needs Murdering (xpost) engineering πŸ”₯
Codex is a Slytherin, Claude is a Hufflepuff - A Highly Unscientific Assessment of AI Coding Agents ai, comparison
Our new report - AI code creates 1.7x more problems ai, report πŸ”₯
Package managers keep using git as a database, it never works out - Using git as a database is a seductive idea. git, database πŸ”₯
Avoid Mini-frameworks - First, I'd like to give readers a sense of what I mean by mini-frameworks. frameworks, engineering πŸ”₯
URL Pattern API - The URL Pattern API defines a syntax that is used to create URL pattern matchers. web, api, url
Claude How ToClaude How To - Complete collection of examples for some important Claude Code features and concepts. ai, claude

Read it! Read it! Read it!

A Year Of Vibes - 2025 draws to a close and it's been quite a year. ai πŸ”₯

Code and Tools

Rue - A programming language that is higher level than Rust but lower level than Go. Someday, anyways. programming, language πŸ”₯
Vibium - Browser automation for AI agents and humans ai, automation, browsers πŸ”₯
model.yaml - model.yaml is an open standard for defining crossplatform, composable AI models ai, standard model.yaml

Tutorials

table of contents marker - w/ modern css css
Adam Urban

Published on 2025-12-29, last updated on 2025-12-30 by Adam

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