Today
- In an earlier blog post we found out that Pystd's simple sorting algorithm implementations were 5-10% slower than their stdlibc++ counterparts. The obvious follow up nerd snipe is to ask "can we make the Pystd implementation faster than stdlibc++?" For all tests below the data...
- With enough work you can build a search system with just grep. But it’s not for the faint of heart....
- Simon Willison wrote about how he vibe coded his dream presentation app for macOS. I also took a stab at vibe coding my dream app: an RSS reader. To clarify: Reeder is my dream RSS app and it already exists, so I guess you could say my dreams have already come true? But I’ve...
- Announcing noagendanomeeting.net — a single-page site advocating that every meeting deserves an agenda, and most meetings deserve to be a document instead....
- Dominic Nguyen (Founder of Storybook and Chromatic) joins me to talk about Storybook MCP the long journey of design system quality. We get into what it actually feels like to be “scaredcited” right now, and Dom shows off the newly-released […]...
Yesterday
- I like reading system prompts, either when they’re published as part of open-source software, exfiltrated via crafty prompting, explicitly shared, or (in the case of last week) accidentally leaked. They’re often the best manual for how an app is intended to work. We’ve touched...
This week
- 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 comfortable with bodies changing. There’s also “Ozempic butt” and...
- I’ve watched a billion hours of YouTube and I’ve noticed a common trend: Whether that’s a drawing, a video game, a song, a cake, or a whole-ass off-grid house; I’ve learned that it’s fun to watch people make something. Since the beginning of humanity, the act of slapping two...
- AI Assisted/Agentic programming are pretty common place at this point. The growing sentiment seems to be that if you can't find some sort of benefit in your workflow, it's more of a skill issue than a problem with the tools. Whether you believe this to...
- Two years ago I published “Apple, please fix the Safari Reading List” which suggests some improvements and highlights one critical bug that Apple should fix to make Safari Reading List usable. Having a robust system to keep things for later is crucial for my workflow....
- I’ve been reading (slowly) David Pogue’s Apple: The First 50 Years, and really enjoying it. I’ve previously read quite a few books about Apple’s history, but Pogue has put together something really special with this one. This morning I came across this sidebar about the...
- You may be seeing posts claiming METR’s widely-cited 2025 study has been followed up with new research showing an 18% productivity boost. That’s not what the article says. METR: We are Changing our Developer Productivity Experiment Design In 2025, METR found experienced...
- I recently read the quote, ‘The best architecture that isn’t implemented is just an expensive drawing,’ and I couldn’t agree more. I wish I came up with it. When organisations hire for architecture roles they always look for extremely technical and knowledgeable people. While it...
- Creating a subset of Go that translates to C was never my end goal. I liked writing C code with Go, but without the standard library it felt pretty limited. So, the next logical step was to port Go's stdlib to C.Of course, this isn't something I could do all at once. I started...
- Feed diversity overhaul, domain and topic affinity, inline reactions, and exact keyword matching....
- Availability has dropped to one nine (~90% – !!), partly due to not being able to handle increased traffic from AI coding agents. There’s also no CEO and an apparent lack of direction....
- The Axios team have published a full postmortem on the supply chain attack which resulted in a malware dependency going out in a release the other day, and it involved …
- Back in 1985, computer scientist Peter Naur wrote “Programming as Theory Building”. According to Naur - and I agree with him - the core output of software engineers is not the program itself, but the theory of how the program works. In other words, the knowledge inside the...
- I have no connection to the authors of the Superpowers plugin for Claude Code, but I have been raving about it to everyone I talk to. Using Claude Code with Superpowers is so much more productive and the features it builds are so much more correct than with stock Claude Code. I...
- I was a guest on Lenny Rachitsky’s podcast, in a new episode titled An AI state of the union: We’ve passed the inflection point, dark factories are coming, and automation …
- Marcin Wichary brings attention to this lovely dialog in ClarisWorks from 1997: He quips: this breaks the rule of button copy being fully comprehensible without having to read the surrounding strings first, perhaps most well-known as the “avoid «click here»” rule. Never...
- Yesterday we talked about how cheap code is fueling an era of idiosyncratic tooling, and previously we’ve talked about the rise of spec driven development. In that second piece, we ran through some of the initial examples of spec driven development with agents: By far, the...
- As we see LLMs churn out scads of code, folks have increasingly turned to Cognitive Debt as a metaphor for capturing how a team can lose understanding of what a system does. Margaret-Anne Storey thinks a good way of thinking about these problems is to consider three layers of...
- Last month Birgitta Böckeler wrote some initial thoughts about the recently developed notion of Harness Engineering. She's been researching and thinking more about this in the weeks since and has now written a thoughtful mental model for understanding harness engineering that we...
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