Coding agents changed what it costs to build mobile apps twice. Here’s why Shopify is moving from React Native back to Swift and Kotlin.

Best practices for writing a design doc based on my experience working as a developer at Google and Microsoft.

Coding agents changed what it costs to build mobile apps twice. Here’s why Shopify is moving from React Native back to Swift and Kotlin.

For those continuing to rely on the GCC 13 compiler in production that debuted more than three years ago, GCC 13.5 released today with more than 265 bug fixes

I’ve been a Postman user for my entire developer career. I remember when it was just a simple Chrome extension that made pentesting APIs slightly less painful. Those were simpler times. Today, I find myself joining the growing exodus of developers abandoning…

Big thanks to @ThreatLocker for sponsoring my trip to Black Hat USA 2026 and also for sponsoring this video.

Rune is now open source under the GPLv3. A native, keyboard-driven IDE written primarily in Go is ready for Go developers to inspect, change, and help build.

Today, I’m proud to announce Homebrew 7.0.0. The most significant changes since 6.0.0 are faster installations and upgrades, stronger sandboxing, a native macOS app, built-in vulnerability checks and an advisory database, the end of macOS 10.15 support and…

Using Magic Numbers To Replace Unsigned Division With Multiplication By Constants

A lot of effective engineering comes from the accumulation of small nuggets of knowledge.

The Broken Window Theory is the idea that visible disorder encourages more disorder.

git worktrees are no longer a niche tool, but they still come with some gotchas — like the fact that, in a worktree, .git is a file, not a directory.

Empowering everyone to build reliable and efficient software.

Git packfiles were designed for mmap and local disk, so pulling one object out
of a bucket means guessing at a byte range. I wrote a new format instead.

Cloudflare's global network is immense but not limitless. As we look for small ways to trim our resource usage, we sometimes get lucky and we can cut significantly more. Here’s how we reduced one of our Pingora-based service's RAM usage with statistics.