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FireDucks: Pandas but Faster
Introduction My main background is a hedge fund professional, so I deal with finance data all the time and so far the Pandas library has been an indispensab...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,433 posts.
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Everything you need to know about Python 3.13 – JIT and GIL went up the hill
All you need to know about the latest Python release including Global Interpreter Lock and Just-in-Time compilation.
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HTML Attributes vs. DOM Properties
They're completely different, but often coupled.
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Garbage collection for systems programmers (2023)
Yet another programming blog. Thoughts on software and related misadventures.
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Being laid off and unplanned entrepreneurship
〰️ it’s weird to look back; I sometimes get confused on how I got here 〰️ Most folks dream of being an entrepreneur; “a path that seemed inevitable“, they say. None of that shit applies to me. I’m only here cause I kept getting laid off and that nonsense infuriated me. I treated my first ... Read more
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Understanding Round Robin DNS
In which I try to understand how browsers and Cloudflare choose which server to use
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Tracker Beeper (2022)
A week ago, I finally got round to implementing an idea I’d been toying with for years: what if your computer made a little bit of noise every time it sent data to Google? From studying logs, I’d long known just how many sites send all your visits and clicks to (at least) Google, but a log that you have to manually…
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Stripe's Monorepo Developer Environment
An overview of the tools and environment Stripe engineers used to write and test code, as of 2019 or so.
521
Writing a Rust compiler in C
To bootstrap Rust, no cost is too great.
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Fun facts about SQLite
Some of the interesting and insane facts I learned about SQLite
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The magic of DC-DC voltage conversion (2023)
Resistor-based dividers, linear regulators, buck converters, and other ways to adjust voltages.
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Beating NumPy matrix multiplication in 150 lines of C
A detailed blog post on optimizing multi-threaded matrix multiplication for x86 processors to achieve OpenBLAS/MKL-like performance. Tags: High-performance GEMM on CPU, Fast GEMM on CPU, High-performance matrix multiplication on CPU, Fast Matrix Multiplication on CPU, Matrix multiplication in C, GEMM in C, Matrix…
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The Worst Website in the Entire World
The Worst Website In The Entire World is owned by Broadcom
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`find` + `mkdir` is Turing complete
We show that a system that has only GNU's find and mkdir commands is Turing-complete.
529
Using static websites for tiny archives
I've been creating small, hand-written websites to organise my files. It's a lightweight, flexible approach that I hope will last a long time.
530
Downpour is the game creation tool I have been working on for the past few years
Today, Downpour comes out! In case you don't know, Downpour is the game creation tool I have been working on for the past few years. I started it after I left Niantic in October 2022, and I have been working on it ever since then (with breaks for illness
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How the Devteam Conquered the iPhone
The summer of 2007 was an eventful one if you were into cell phones. It all started on June 29 when Apple announced the release of the iPhone. If you have never taken the time to watch the full keynote, I highly recommend it.
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Can AI do maths yet? Thoughts from a mathematician
So the big news this week is that o3, OpenAI’s new language model, got 25% on FrontierMath. Let’s start by explaining what this means.
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Everything Is Just Functions: 1 week with David Beazley and SICP
Made in Notion, the connected workspace where AI agents and teams organize docs, projects and knowledge together.
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Gödel, Escher, Bach is the most influential book in my life (2022)
Musings on Hofstadter’s phenomenal book about computation, consciousness, and epistemology.
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Take a look at Traefik, even if you don't use containers
Traefik got really popular over the last few years in the bubble of home-lab youtubers , that’s when I first heard about it.
536
Minuteman missile communications
A programming note: I am looking at making some changes to how I host things like Computers Are Bad and wikimap that are going to involve a lot more recurring expense. For that and other reasons, I want to see if y'all would be willing to throw some money my way. If everyone reading this gave $3 a month, we could…
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The motor turns too much
This instalment is about the "Bench Kona" I've built in the shed. Behold its questionable integrity:
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Many AI safety orgs have tried to criminalize currently-existing open-source AI
<p>I've seen a few conversations where someone says something like this:</p> <blockquote> <p>I've been using an open-source LLM lately -- I'm a huge fan of not depending on OpenAI, Anthropic, or Google. But I'm really sad that the AI safety groups are trying to ban the kind of open-source LLM that I'm using.</p>…
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Don't build your castle in other people's kingdoms (2021)
In the past couple of months a couple of big social media sites have changed their terms or introduced suspicious paid plans and it has caught content creators off guard.
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Leadership is a hell of a drug
Last week, I received the following invitation to a compulsory on-site meeting, following management's repeated engagements with some sort of Agile shaman.