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Why I wrote the BEAM book
The story behind writing The BEAM Book-ten years, three publishers, and an open‑source sprint.
New
The latest blog posts to take off on Hacker News. 80,841 posts.
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Cloud Run GPUs, now GA, makes running AI workloads easier for everyone
Support for GPUs in Cloud Run makes running GPU-accelerated applications simpler, faster, and more cost-effective, as well as enabling new use cases.
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Machine Code Isn't Scary
Machine code isn't scary. If you can make sure your JSON conforms to a JSON schema, you can write machine code.
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A critical look at NetBSD’s installer
[New to Gemini? Have a look at my Gemini FAQ.] This article was bi-posted to Gemini and the Web; Gemini version is here: gemini://gemini.circumlunar.space/users/kraileth/neunix/2025/installing_bsd_…
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A manager is not your best friend
As people become managers, it's quite common for their team members to want to commiserate with them. This is especially true for friendly, competent, reasonable-seeming managers – people want to commiserate with winners. But commiseration, especially with your direct reports, is organizational poison.
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Mapping latitude and longitude to country, state, or city
I made a library that takes GPS coordinates and gives you the state.
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Deep learning gets the glory, deep fact checking gets ignored
AI, science, education, & ethics
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A deep dive into self-improving AI and the Darwin-Gödel Machine
How the Darwin-Gödel Machine rewrites its own code to improve, and whether we can trust it
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Changing Directions
<p>I have two important announcements:</p> <ol> <li> <p>I’m leaving the tech industry. Hopefully “for good”; if not, at least “for now”.</p> </li> <li> <p>As such, the content on this blog is going to shift, perhaps dramatically. I’m going to be writing about a broader range of…
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Swift at Apple: Migrating the Password Monitoring Service from Java
Swift is heavily used in production for building cloud services at Apple, with incredible results. Last year, the Password Monitoring service was rewritten in Swift, handling multiple billions of requests per day from devices all over the world. In comparison with the previous Java service, the updated backend…
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(On | No) Syntactic Support for Error Handling
Go team plans around error handling support
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Claude Code Is My Computer
I run Claude Code with --dangerously-skip-permissions flag, giving it full system access. Let me show you a new way of approaching computers.
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AI makes the humanities more important, but also weirder
Historians are finally having their AI debate
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Conformance checking at MongoDB: Testing that our code matches our TLA+ specs
Testing code fidelity with TLA+ specs at MongoDB. Explore conformance checking experiences and agile modelling in distributed systems.
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My AI skeptic friends are all nuts
My smartest friends have bananas arguments about LLM coding.
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MonsterUI: Python library for building front end UIs quickly in FastHTML apps
Accelerate your UI development with MonsterUI, our Python library for building frontend UIs quickly in FastHTML apps.
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CVE 2025 31200
Background On April 16, 2025, Apple released a patch for a bug in CoreAudio which they said was “Actively exploited in the wild.” This flew under the radar a bit. Epsilon’s blog has a great writeup of the other bug that was presumably exploited in this chain: a bug in RPAC. The only thing out there that I am aware of…
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The Unreliability of LLMs and What Lies Ahead
The Unreliability of LLMs & What Lies Ahead
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Whatever happened to cheap eReaders?
Way back in 2012, The Guardian reviewed an eInk reader which cost a mere £8. The txtr beagle was designed to be a stripped-down and simplified eReader. As far as I can tell, it never shipped. There were a few review units sent out but I can't find any evidence of consumers getting their hands on one. Also, that £8…
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If you are useful, it doesn't mean you are valued
The difference can be subtle
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How to post when no one is reading
The path to creative mastery begins with years of silence. Publish anyway.
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The rise of judgement over technical skill
As AI removes technical barriers, judgement becomes the key differentiator.
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Root shell on a credit card terminal
In this project, I started to reverse engineer payment card terminals because they seemed to be an interesting target for security research, given the high stakes involved. Although I initially didn’t know much about this industry, I did expect a ton of security features and a very security-hardened device. And to…
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Atari Means Business with the Mega ST
The first "pro" ST
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Cinematography of “Andor”
Continuing the ongoing series of interviews with creative artists working on various aspects of movie and TV productions, it is my pleasure to welcome Christophe Nuyens . In this interview, he talks about the transition of this creative field from film to digital, bridging the gap between feature films and episodic…
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Canonicals Interview Process
Personal blog of Julien (jvoisin) Voisin
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Why DeepSeek is cheap at scale but expensive to run locally
Why is DeepSeek-V3 supposedly fast and cheap to serve at scale, but too slow and expensive to run locally? Why are some AI models slow to respond but fast once…
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How I like to install NixOS (declaratively)
For one of my network storage PC builds, I was looking for an alternative to Flatcar Container Linux and tried out NixOS again (after an almost 10 year break). There are many ways to install NixOS, and in this article I will outline how I like to install NixOS on physical hardware or virtual machines: over the network…