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Mastering Jq: Part 1
This is the first part of an ongoing series on mastering jq. jq is a valuable tool that every fast coder has in their tool chest. It contains depths of immense power. In part 1, we'll start off with the basics.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,508 posts.
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Using a self-rewriting README powered by GitHub Actions to track TILs
I’ve started tracking TILs—Today I Learneds—inspired by this five-year-and-counting collection by Josh Branchaud on GitHub (found via Hacker News). I’m keeping mine in GitHub too, and using GitHub Actions to …
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Elasticsearch from the Bottom Up (2013)
In this article series, we look at Elasticsearch from a new perspective. We'll start at the 'bottom' (or close enough!) of the many abstraction levels, and gradually move upwards towards the user-visi...
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Technical Debt: Why it'll ruin your software
We think that Tech Debt is just lousy code written by reckless people. Here's a bigger picture view of what that really means in a Sustainable Software era.
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Porn, Zen, and .vimrc
Vim is a customizable text editor geared towards writing code. But open-ended configuration possibilities lure users into wasting time while chasing after perceived minute gains in productivity. This article describes my Vim journey, starting from heavy personal customization and ending with a renewed love for…
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A Nix terminology primer by a newcomer
Maybe I just haven't been paying attention before, but in the last year or so, there seems to have been an increase in discussion around the Nix package manager. This is also what got me to finally try it, and I'm very happy with the results, even if the road is a little bumpy.
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How we use Rust in our mobile SDK
In this post, we'll discuss some specifics of how we use Rust to power our mobile frameworks for iOS and Android.
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If you use GNU grep on text files, use the -a (--text) option
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Write a rapid prototype first (2007)
The best performance improvement is the transition from the nonworking state to the working state. (John Ousterhout) Discovering a solution to a mathematical problem is only half of the battle. Ac…
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RethinkDB 2.4.1
We’re pleased to announce the availability of RethinkDB 2.4.1. This update includes bug fixes, build improvements and the reintroduced update checker. For a complete list of changes in this update, you can refer to the release notes . Don’t forget that we replaced our download server, please read our latest blog post .
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State of Loom
Project Loom aims to drastically reduce the effort of writing, maintaining, and observing high-throughput concurrent applications that make the best use of available hardware.
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Why I Prefer Functional Programming
Why I'm long on functional programming
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Massacring C Pointers (2018)
I'm taking a break from debugging books to talk about a calamitous shitshow of textbook writing: Mastering C Pointers: Tools for Programming Power , by Robert J. Traister.
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Highlights from Git 2.28
The open source Git project just released Git 2.28 with features and bug fixes from over 58 contributors, 13 of them new. We last caught up with you on the…
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Writing a RISC-V OS in Rust: System Calls
System calls are a way for unprivileged, user applications to request services from the kernel. In the RISC-V architecture, we invoke the call using the ecall instruction. This will cause the CPU to halt what it's doing, elevate privilege modes, and then jump to whatever function handler is stored in the mtvec…
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A note of reflection after 10 years of “A successful Git branching model”
In this post I present a Git branching strategy for developing and releasing version-based software.
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Run More Stuff in Docker
In 2020, Docker is the best medium for distributing and running most developer-facing software . It’s widely accepted that Docker is great for building and deploying the artifacts for your enterprise web app, but this is less well known when it comes to things like developer tools. However, running tools in containers…
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Restoring and MIDI-Fying a Baby Grand Piano
As much as I love digital instruments, synthesizers and other electronic gear I also really love the look and feel of instruments made from wood, brass, steel and felt. There is objectively no difference between the best digitally sampled pianos but for some reason it doesn’t quite feel as much alive as an actual…
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Emacs Prelude 1.0
I’ve got a big news to share with you today - after (over) 9 years of development, Emacs Prelude finally made it to version 1.0! There’s nothing really big or groundbreaking there, as Prelude has been in a pretty good place for a very long time feature-wise, but I felt like tagging a 1.0 release, because it’s 2020 and…
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It’s 255:19AM. Do you know what your validation criteria are?
Ed25519 signature validation criteria vary widely between implementations, creating risks for consensus systems. Here's why and how to fix it.