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The One Billion Row Challenge
Update Jan 4: Wow, this thing really took off! 1BRC is discussed at a couple of places on the internet, including Hacker News, lobste.rs, and Reddit. For folks to show-case non-Java solutions, there …
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The latest blog posts to take off on Hacker News. 14,540 posts.
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GCC Specs: An Introduction
If you've ever used the GNU Compiler Collection (GCC) then you've worked with the gcc binary. For those who don't know, gcc is a driver, not a compiler. It runs the compiler/assembler/linker as required and coordinates the input and output between them. Use of the driver is so ubiquitous that everyone calls it the…
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Thoughts on PostgreSQL in 2024
A look ahead at some ongoing projects in PostgreSQL in 2024 and beyond
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QEMU AioContext removal and how it was done
This post is about the AioContext lock removal in QEMU 9.0 (planned for release in 2024), how we got here, and what it means for multi-threa...
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A simulation of me: fine-tuning an LLM on 240k text messages
Armed with a download of my 240,000 text message and Whatsapp history, I was able to fine-tune an LLM to create convincing conversations.
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Building a self-contained game in C# under 2 kilobytes
How I fit a graphical game in C# into 2 kilobytes, with no .NET runtime required.
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How to do OCR on a Mac using the CLI or just Python
a kind reader reached out about all of my iphone alarms and asked how specifically did I run OCR on my mac. I’m not one to gatekeep, so here’s how you can get yourself a nice local ocr ‘service’ that works in the terminal/CLI/python and costs 0 dollars:
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A Simulated Annealing FPGA Placer
Academic website for Stefan Abi-Karam.
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A Canadian payroll dependency chart
Unfortunately, like most aspects of the tax system, this steadily increases in complexity, and this year with the Canada Pension Plan including not just "base" premiums and "additional" premiums but also "second additional premiums", I needed to rewrite my spreadsheet from scratch; and also very unfortunately, the…
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Displaying Content as a Graph
Most web content is displayed as a strict hierarchy, tree-based or otherwise. What if it wasn't?An exploration into the advantages of graph-based content design, the numerous pitfalls, and a few case studies along the way.
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Writing a TrueType font renderer
Text is the medium of digital interaction, and text rendering has an outsized impact on the overall fit and finish of any system. It therefore pains me that axle has for years relied on a low-resolution 8x8 bitmap font. Let’s fix it! Take a look at the characters composing this sentence. Note the curves, the negative…
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Git Things
A grab bag of less frequently talked about git adjacent points.
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Using a Markov chain to generate readable nonsense with 20 lines of Python
Describes a simple Markov chain algorithm to generate reasonable-sounding but utterly nonsensical text, and presents some example outputs as well as a Python implementation.
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Nim on a Real-Time Operating System: Apache NuttX RTOS and Ox64 BL808 SBC
Let's blink an LED on Pine64 Ox64 BL808 64-bit RISC-V Single-Board Computer... With Nim Programming Language and Apache NuttX Real-Time Operating System
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Bun, JavaScript, and TCO
Bun is a JavaScript runtime that just released version 1.0! Now you have three choices for running JavaScript outside of the browser: Node, Deno, and Bun. One of Bun's selling points is speed! It makes some interesting decisions to achieve this.
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I'm skeptical of low-code
Low-code can be a great tool but it often fails to live up to its marketing
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Hidden gems of moreutils
It seems no matter how long I work with the command line, every once in a while I find handy utilities I've never encountered before. Most people have heard about the bird coreutils , that's where utilities such as echo , cat , and others come from. But did you know about moreutils ?
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Committing Without Git
How does git store different versions of a file? What about a commit? Find out creating your own commit without the help of git.
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Android developers no longer need Windows USB drivers
In the early days of the platform, Android developers working from Linux and Mac OS X connected their device via an USB cable and were good to go. Windows users had to find and then install drivers. That was super-annoying.
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LuaX: A Lua Dialect with JSX
This site now runs on a custom dialect of Lua.
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Parsing an Undocumented File Format
A year or two ago, I wrote a parser for an undocumented file format as part of a larger project. This was somewhat challenging and I wanted to share my approach because I thought it was a neat idea that worked well.
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First personal search engine prototype
I've implemented a first prototype of my personal search engine which I will abbreviate as "pse" from here on out. I implemented it using three Bash scripts relying on sqlite3 , wget and PageFind to do the heavy lifting.
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You can't do that because I hate you
An infuriating pattern that devs need to stop.
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Repurposing Hugo as a wiki
As part of a project that I’m working on, I decided to see if I could repurpose the excellent Hugo website framework (which also powers this very site) as a single-user wiki of sorts.
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Cold-blooded software
It’s 2004 and I’m sitting in one of the largest lecture halls at my university. I’m a computer science major but I’m taking a course on natural history — plants and animals — as one of my electives.
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IDEs we had 30 years ago
A deep dive into the text mode editors we had and how they compare to today's