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Inverted themes with light-dark()(opens in new tab)

We rolled out adaptive light-dark() support on our design system themes and it’s been a delightful upgrade. Creating light and dark variable sets isn’t difficult, but delivery has trade-offs. Most apps that do this probably ship both sets of token ...

#476: Common themes(opens in new tab)

Topics covered in this episode: Migrating from mypy to ty: Lessons from FastAPI Oxyde ORM Typeshedded CPython docs Raw+DC Database Pattern: A Retrospective Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses ...

Inference Costs Are Not Sustainable(opens in new tab)

Inference Costs Are Not Sustainable/images/blog/inference-costs-are-not-sustainable/header.webp/images/blog/inference-costs-are-not-sustainable/header.webp Welp, I'm now getting through a quarter of my week's MAX subscription in a few hours of work with Claude Code. I think Anthropic is smart, an...

Ozempic dreams(opens in new tab)

It’s a secret to everyone! This post is for RSS subscribers only. Read more about RSS Club. I’ve heard the term “Ozempic face” for awhile. People have opinions about that one, but I tend to feel like we should be ...

Value numbering(opens in new tab)

Welcome back to compiler land. Today we’re going to talk about value numbering, which is like SSA, but more. Static single assignment (SSA) gives names to values: every expression has a name, and each name corresponds to exactly one expression. ...

2026.Q1 Review(opens in new tab)

TL;DR - In 2026.Q1 I participated in a 12-week programming retreat, published my 1,000th blog post, started building with Rust, solidified my agentic engineering workflows, shipped my first game, star...

Hello Again, World(opens in new tab)

On December 24, 1968, Christmas Eve, astronaut William Anders took what would become one of the most consequential photographs in human history. He was aboard Apollo 8, orbiting the Moon for the fourth time, when the spacecraft rotated and the ...

Indexable iterables(opens in new tab)

Learn how objects are automatically iterable if you implement integer indexing. Introduction An iterable in Python is any object you can traverse through with a for loop. Iterables are typically containers and iterating over the iterable object allows you to ...

#475: Haunted warehouses(opens in new tab)

Topics covered in this episode: Lock the Ghost Fence for Sandboxing MALUS: Liberate Open Source Harden your GitHub Actions Workflows with zizmor, dependency pinning, and dependency cooldowns Extras Joke Watch on YouTube About the show Sponsored by us! Support our ...

We Are Confusing Two Types of AGI(opens in new tab)

We Are Confusing Two Types of AGI/images/two-types-of-agi.webp/images/two-types-of-agi.webp I think the biggest problem with the AGI debate is that we're confusing two types of AGI. I propose thinking and discussing them as two different things: 1. Soft AGI: An AI system ...

AI Unmasked Our Work as Scaffolding(opens in new tab)

AI Unmasked Our Work as Scaffolding/images/blog/ai-unmasked-our-work-as-scaffolding/header.webp/images/blog/ai-unmasked-our-work-as-scaffolding/header.webp I think AI is revealing that a vast percentage of knowledge work is scaffolding overhead. Maybe 75-99%. 1. In my own field of cybersecurity, ...

Using Perfetto in ZJIT(opens in new tab)

Originally published on Rails At Scale. Look! A trace of slow events in a benchmark! Hover over the image to see it get bigger. img { max-width: 100%; } img:hover { transform: scale(2); transition: transform 0.1s ease-in; } img:not(:hover) { ...