Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,290 posts.
JSON is everywhere you look these days. The `jq` tool makes it easy to slice, dice, and transform JSON from the command line. It can be hard to map the official manual to real-world applications, so let's look at some practical examples of `jq` and its cousins that handle YAML & HTML!
This guide describes how to tune your AMD64/x86_64 hardware and Linux system for running real-time or low latency workloads.
The famous fast inverse square root is some mysterious code not written by programming legend John Carmack to calculate a fast approximation of $1/\sqrt{x}$:
Disclaimer: this is more a rant than anything else. Maybe more #crazydudewontstoptalkingavoidthewate...
There’s a proposal to add Software Transactional Memory , or STM , to the Ruby programming language. This is part of a wider effort to add better support for concurrency and parallelism in Ruby, and in particular the idea of ractors . A concept has been proposed and implemented by Koichi Sasada.
Understanding the fundamental building blocks of Bitcoin can be daunting for some developers. The purpose of this guide is to explain through simple pieces of code, how Bitcoin works.
This is not a technical documentation for how I migrated from macOS to FreeBSD. This is a high-level for why I migrated from macOS to FreeBSD.
Apple is about the integration of hardware and software, but the balance between the two has shifted over time.
You can make a DIY air purifier in 30s. To test if it works, I generated smoke, and measured how well it removes tiny particles.
Some years ago I decided to install a server at home for use as a NAS (network-attached storage) in my home network, and for an Internet-facing server. I live in a place where blackouts are very in…
May 2020 Gwern.net newsletter: GPT-3 scaling, implications, deep theory; anime GAN updates, and 1 book review.
I recently decided to get a wireless speaker for our Kitchen. Sonos seems like an obvious choice these days. The sound quality and aesthetics were very appealing. So I ordered a Sonos One SL speaker. In terms of sound quality and looks, I was very pleased. I’m not an audiophile but the sound quality seemed…
The path to an offline SaaS model
The U.S. Federal Communications Commission (FCC) today proposed fines of more than $200 million against the nation’s four largest wireless carriers for selling access to their customers’ location information without taking adequate precautions to prevent unauthorized access to that data. While the fines would be among…
by Jody Lanard and Peter M. Sandman NOTE FROM IAN: The expert risk communication team of Lanard and Sandman has given me permission to post their very well-considered reply to my question of them just
OOP, for all its excesses, was a big step forward in software engineering. The way to move past OOP is to replace it with another discipline, not anarchy.
Why ‘Strong Opinions, Weakly Held’ isn't as great a thinking tool as you might think.
My book, Evidence-based software engineering , is now available; the pdf can be downloaded here , here and here , plus all the code+data . Report any issues here . I’m investigating the possibility of a printed version. Mobile friendly pdf (layout shaky in places).
A prototype Raspberry Pi dashboard to save me talking to my smart assistant.
Rotate a cube by 90 degrees around the \(x\)-axis, then rotate it by 90 degrees around the \(z\)-axis. This is equivalent to a single rotation. What is the axis and angle of this single rotation?
Or yet another rant about YAML
Many browsers today are gigantic resource hogs, which are basically VMs for various web applications. On the other hand, Links is a HTML browser. It is not able to do everything. It allows me to avoid most distractions and control the content-experience. The goal of this exercise is not to force anyone to use this…
A deep dive into the performance implications of using Google Fonts (good and bad) and whether self-hosting is better.
Apple released macOS Big Sur 11.1 on 14 December. Although yesterday it finally posted standalone installers for the two concomitant security updates to Catalina and Mojave, no standalone updaters …
In a nutshell, NixOS is a operating system based on Linux that provides a declarative package and configuration management.
the real reason zsh beats bash • how I got twice as fast in python • autocompleting all the things • maximizing user-interface bandwidth
