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How the GNU coreutils are tested
Tools and techniques used to test coreutils
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The latest blog posts to take off on Hacker News. 14,540 posts.
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NoiseCraft: Browser-Based Visual Programming Language for Sound and Music
NoiseCraft: a Browser-Based Visual Programming Language for Sound & Music
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Re-thinking electronic mail
There are many problems with the existing Internet email system, such as spam, scam, surveillance, insecurity, centralization, and complexity. The problems are starting to outweigh the benefits of the system. Fixing the problems by evolving the current system seems overwhelmingly difficult. This essay examines some…
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Programming War Stories: macOS Freeware/Shareware (2019)
Aaron Giles is a Seattle-area programmer, musician, web developer, and graphic designer.
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One decade later, Minecraft world generation is interesting again
I became a big fan of Minecraft when I first started playing it in early-2011. I have stopped in recent years since I find it dangerously addictive, though I sometimes keep up with the new changes. Today I want to look back at a development mistake that was made in Beta 1.8, one that took a decade to recover from.
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All Horses Are the Same Color
Problem: Show that all horses are of the same color. “Solution”: We will show, by induction, that for any set of $ n$ horses, every horse in that set has the same color. Suppose $ n=1$, this is obviously true. Now suppose for all sets of $ n$ horses, every horse in the set has the same color. Consider any set $ H$ of…
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Writing and publishing a Python module in Rust
This post is a quick walkthrough of how I wrote a Python library, procmaps , in nothing but Rust. It uses PyO3 for the bindings and maturin to manage the build (as well as produce manylinux1 -compatible wheels).
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LLVM internals, part 4: attributes and attribute groups
This is the last post I plan to do on parsing LLVM’s bitcode, at least for a while. I’ll keep working on the various libraries that I’ve started under the mollusc umbrella, but they won’t be accompanied by regular posts anymore — I’d like to refocus on writing smaller, less dense (read: lower-pressure) posts for a…
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Fast CSV Processing with SIMD
I recently learned of csvquote , a tool that encodes troublesome CSV characters such that unix tools can correctly process them. It reverses the encoding at the end of the pipeline, recovering the original input. The original implementation handles CSV quotes using the straightforward, naive method. However, there’s a…
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Tips on adding JSON output to your CLI app
Best practices when adding a JSON output option to your command-line application.
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Rusty Typestates – Starting Out
This post is part of a series, you can see an overview of the whole series in [ rust-typestate-index ].
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An Inconsistent Truth: Next.js and Typesafety
Next.js is a great framework. The frontend and backend have never been closer. Can we bridge the remaining gap in a typesafe way?
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Notes on Writing Web Scrapers
easier than scraping a hide, I suppose
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Ideal Monitor Rotation for Programmers
How to be a pro programmer
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The Fastest FizzBuzz Implementation
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
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Avy Can Do Anything
Update (2024-09-08): Read this article in Japanese at Qiita or at Emacs-JP. You’re using Avy wrong. Too harsh? Let me rephrase: you’re barely using Avy. Still too broad? Okay, the noninflammatory version: Avy, the Emacs package to jump around the screen, lends itself to efficient composable usage that’s obscured by…
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Firefox's Optimized Zip Format
This post is about minimizing amount of disk IO and CPU overhead when reading Zip files. I recently saw an article about a new format that was faster than zip. This is quite surprising as to my mind, zip is one of the most flexible and low-overhead formats I’ve encountered. Some googling showed me that over past 11…
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My worst tech interview experience
Everyone in tech seems to have a “terrible tech interview” story. The topic quietly orbits in the ether of our industry and periodically bursts through the a...
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Anti-patterns when building container images
This is a list of recurring anti-patterns that I see when I help folks with their container build pipelines, and suggestions to avoid them or refactor them into something better.
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Some thoughts on microservices
A blog about programming, technology and open-source stuff.
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Calling Rust from Python using PyO3
speed up your Python using Rust
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Measuring Software Complexity: What Metrics to Use?
Do we need to measure complexity? With what metrics? What benefits can it brings? This is the questions we'll answer in this article.
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Rare Greek Variables
I scrape Arxiv to find underused Greek variables which can add some diversity to math; the top 10 underused letters are ϰ, ς, υ, ϖ, Υ, Ξ, ι, ϱ, ϑ, & Π. Avoid overused letters like λ, and spice up your next paper with some memorable variables!
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GetElementById vs. QuerySelector
A while ago, I was curious how the speed of document.getElementById compared to document.querySelector in Javascript for selecting a single element by ID. querySelector has to do a lot more work, so one would expect that it would be slower, but I didn't know if the difference was enough to care about.
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Neural-control family: what deep learning and control enables in the real world
With the unprecedented advances of modern machine learning comes the tantalizing possibility of smart data-driven autonomous systems across a broad range of real-world settings. However, is machine learning (especially deep learning) really ready to be deployed in safety-critical systems?
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Batteries included with Emacs (2020)
Emacs has a reputation for being borderline unusable out of the box, of being bloated but somehow surprisingly bare. This is largely a discoverability problem1. The solution the Internet has settled on seems to be “Emacs distributions” like Doom, Spacemacs or Prelude that glue together dozens (sometimes hundreds) of…