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S1: A $6 R1 competitor?
Principal AI Architect. Creator of open-strix, a harness for building agent teams. Writing about AI architecture, stateful agents, and what happens when you give AI memory.
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The latest blog posts to take off on Hacker News. 6,220 posts.
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Software development topics I've changed my mind on
Software development topics I've changed my mind on over the course of a decade
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Go Data Structures: Interfaces (2009)
Go's interfaces—static, checked at compile time, dynamic when asked for—are, for me, the most exciting part of Go from a language design point of view. If I could export one feature of Go into other languages, it would be interfaces.
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Go Data Structures (2009)
When explaining Go to new programmers, I've found that it often helps to explain what Go values look like in memory, to build the right intuition about which operations are expensive and which are not. This post is about basic types, structs, arrays, and slices.
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The FAA’s Hiring Scandal
Inside a decade of struggle to bring a scandal to light
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I coded a Pascal compiler for transputer as a teen in 1993
History of the development of my Pascal compiler for transputer when I was age 13.
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Zig; what I think after months of using it
Ah, Zig . I have a love-hate relationship with this one. A “new” (reading: appeared a couple years ago , already — yes, already ), language with high ambitions. Zig was made to run at low-level, with a simple design to solve many problems C has (macros, allocators, error handling, more powerful types like baked-in…
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Visual explanations of mathematics (2020)
It is thought that Euclid wrote Elements in about 300 BC, but Oliver Byrne turned it into one of the true gems of visualization — and made it about 100 times more readable. By seamlessly combining typeset text (Caslon, if you’re interested) with minimalist geometric drawings in primary col
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Nine – seemingly impossible C64 demo
Nine is a small, seemingly impossible C64 demo that I released at Fjälldata 2025.
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Oracle justified its JavaScript trademark with Node.js–now it wants that ignored
Oracle filed a motion to dismiss in response to Deno’s petition to cancel its “JavaScript” trademark. But instead of addressing the real issue—that JavaScript is an open standard with multiple independent implementations—Oracle is trying to stall the process and sidestep accountability.
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How I use LLMs as a staff engineer
What I use them for and what I don't
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How to scale your model: A systems view of LLMs on TPUs
Training LLMs often feels like alchemy, but understanding and optimizing the performance of your models doesn't have to. This book aims to demystify the science of scaling language models: how TPUs (and GPUs) work and how they communicate with each other, how LLMs run on real hardware, and how to parallelize your…
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How Spotify Killed Lo-Fi Hip Hop
AI and Corporate Interests Gutted an Artist's Oasis
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Jujutsu VCS: Introduction and patterns
Jujutsu (jj), a new version control system written in Rust, has popped up on my radar a few times over the past year. Looked interesting based on a cursory look, but being actually pretty satisfied with Git, and not having major problems with it, I haven’t checked it out. That is, until last week, when I finally…
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Apple Invites
Apple today introduced Apple Invites, a new app for iPhone that allows users to create custom invitations to gather friends and family.
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Chat is a bad UI pattern for development tools
You don’t want to have a conversation with your computer, you want to build.
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Build a link blog like Simon Willison
Achieving Data Freedom Through Open Source and Rust
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Payments crisis of 2025: Not “read only” access anymore
If you are a current or former career Bureau of the Fiscal Service Employee, especially if you’re a legacy IT programmer with years of experience and especially if you are a COBOL programmer currently working on the PAM, SPS or any other adjacent team, contact me over email or
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Build your own SQLite, Part 4: reading tables metadata
As we saw in the opening post, SQLite stores metadata about tables in a special "schema table" starting on page 1. We've been reading records from this…
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The PS2’s backwards compatibility from the engineer who built it (2020)
As the PS2 turns 20 in Japan, a look back on its PS1 backwards compatibility from the eyes of the former Sony engineer responsible for it.
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OWASP Non-Human Identities Top 10
A list of OWASP's Non-Human Identities Top 10 risks for 2025
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Escaping surprise bills and over-engineered messes: Why I left AWS
Frustrated with AWS's complexity and cost risks, I switched to NearlyFreeSpeech for its prepaid model, ensuring financial control while keeping hosting simple and flexible.
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The Video Game History Foundation library opens in early access
For free. For everyone. Wherever you are.
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No-Panic Rust: A Nice Technique for Systems Programming
Can Rust replace C? This is a question that has been on my mind for many years,as I created and now am tech lead forupb, a C libraryfor Protocol Buffers. Th...
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"A computer can never be held accountable"
This legendary page from an internal IBM training in 1979 could not be more appropriate for our new age of AI. A computer can never be held accountable Therefore a …
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There's Math.random(), and then there's Math.random() (2015)
V8’s Math.random implementation now uses an algorithm called xorshift128+, improving the randomness compared to the old MWC1616 implementation.
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Open Euro LLM: Open LLMs for Transparent AI in Europe
A series of foundation models for transparent AI in Europe
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What really happens inside a dating app
I have been working inside a dating app for a few months and there are a lot of interesting things. This article is going to be without any structure as there are many things to say. I will mostly ignore homosexual interactions. Not because they don't exist, just because it …