Yesterday
- Lately, I’ve been talking websites into existence. Not metaphorically, but actually sitting in important meetings with people — clients, collaborators, my wife, friends, neighbors — watching real websites materialize in front of us as we converse. I’ve been half-jokingly call...
- I've spent the last 2 years building and interviewing candidates for AI Engineering roles. So I've been fortunate enough to watch the career track evolve from being a fringe amorphous role fueled by hype to a growing discipline in and of itself. AI Engineering as a...
- A coding agent is the model plus everything you build around it: prompts, tools, context policies, hooks, sandboxes, feedback loops. Harness engineering is the discipline of treating that scaffolding as a first-class artifact, and tightening it every time the agent slips....
- In the early 2000’s, my parents took us on a road trip to Glacier National Park in Montana. We made the journey in our new (used) family van: a green Dodge Caravan whose reputation was soon to become “a lemon”. I was a teenager and didn’t pay a lot of attention to the details of...
This week
- 15 years ago, on December 11th, 2010, at the bold age of 17, I wrote my first blog post on the wonders of the Windows Phone 7 on Blogspot. I started blogging as a kid at the behest of a family friend at Microsoft, who promised she’d make sure I would become the youngest...
- I live in a weird place. Happily, it’s often a good type of weird. Sadly, it’s also a place where, in general, motorists aren’t very concerned with things like “obeying laws” or “not hitting people”. Recently, there’s been a lot of consternation around bike lanes. I won’t go...
- I previously wrote about how to install older versions of homebrew packages. That method involves installing a package from a Ruby file but it’s outdated and doesn’t always work. There’s a better way with brew extract, although it still comes with caveats.I’ll be using hugo as...
- Most anti-AI rhetoric is left-wing coded. Popular criticisms of AI describe it as a tool of techno-fascism, or appeal to predominantly left-wing concerns like carbon emissions, democracy, or police brutality. Anti-AI sentiment is surprisingly bipartisan, but the big anti-AI...
- In our previous episode we wrote a merge sort implementation that runs a bit faster than the one in stdlibc++. The question then becomes, could it be made even faster. If you go through the relevant literature one potential improvement is to do a multiway merge. That is, instead...
- Last post I wrote about how you can approach buy in for your architecture. I’ve been thinking a lot more about the topic, and would like to delve a bit deeper into it. I still stand fully behind the post I wrote two weeks ago, but the more I think (and research) about it, the...
- For anyone who has been taking my pelican riding a bicycle benchmark seriously as a robust way to test models, here are pelicans from this morning’s two big model releases—Qwen3.6-35B-A3B …
- The proof of work is the wrong analogy: finding hash collisions, while exponentially harder with N, is guaranteed to find, with enough work, some S so that H(S) satisfies N, so an asymmetry of resources used will see the side with more "work ability" eventually winning. But bugs...
- This is the fifth chapter of my SQLAlchemy 2 in Practice book. If you'd like to support my work, I encourage you to buy this book, either directly from my store or on Amazon. Thank you! You have now learned the design blocks used in relational databases. Sometimes, however,...
- True startup people are one of the most important advantages that many tech companies have. Startup people are aggressive, entrepreneurial, and often bring a dynamism that allows them to cut through significant roadblocks. When there’s a large platform shift (e.g. the AI wave...
- As of this PR, simdutf can be used without libc++ or libc++abi1. Simdutf was the final remaining libc++ dependency in libghostty-vt2. After updating Ghostty to use this new simdutf build, we were able to remove libc++ and libc++abi completely from our dependencies. Note that at...
- Speed has become the primary virtue of the modern world. Everything is sacrificed to it. Move fast (and break things, not as a goal but as a consequence). Wisdom requires allowing yourself to be undone by experience: An opinion dismantled by reality. An artifact torn apart by...
- Blog About Moonbound Shop This is a post from Robin Sloan’s lab blog & notebook. You can visit the blog’s homepage, or learn more about me. April 15, 2026 I believe Google’s release of Gemma 4 is a quiet milestone, and it might be more consequential to the overall arc of “how...
- The number of screenshots of Claude conversations is going up in my life and it’s beginning to have an impact on my general mood. Most of the time it’s well-intended; coworkers working through a problem with a chatbot before bothering me or someone exploring unconventional ideas...
- Is security spending more tokens than your attacker? Last week we learned about Anthropic’s Mythos, a new LLM so “strikingly capable at computer security tasks” that Anthropic didn’t release it publicly. Instead, only critical software makers have been granted access, providing...
- I had to make a modal recently, it happened to be in React, so some of what follows is React specific, but the principles are all good ol' CSS/HTML and JavaScript, so don't necassarily go running just because I'm using React here…. wait, where are you going? Come back… Oh well,...
- © NASA 2026, from the Artemis II mission RSS is still one of the best opt-in relationships ever invented. Here are some selections from my subscriptions. Reciprocal RSS links provided where available. 🌔 NASA’s Flickr Photostream I’ve been swept up in the Artemis II mission to...
- First, a quick intro. I’m Maggie and I’m a staff research engineer at GitHub Next. At least that’s my title, but I’m actually a designer. Or I was, back when that was still a separate thing to engineering.Next is the labs team within GitHub. We work on more experimental, risky...
- I attended the first Pragmatic Summit early this year, and while there host Gergely Orosz interviewed Kent Beck and myself on stage. The video runs for about half-an-hour. I always enjoy nattering with Kent like this, and Gergely pushed into some worthwhile topics. Given the...
- The UK’s AI Security Institute has published the first independent evaluation of Claude Mythos’s cyber capabilities. The headline finding – first AI model to complete a full 32-step simulated network attack – is notable. But there’s a finding buried in the accompanying...
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