The latest blog posts to take off on Hacker News. 3,497 posts.
Changing directories is an extremely frequent activity during my everyday work as a knowledge worker running calculations, analyzing data, and developing code from the terminal. In fact, changing directories is the basic mode of operation to walk between different tasks, context, or work spaces.
In this blog post, I will show you the process of combining and converting a list of markdown files into kindle supported ebook (.mobi) format.
Wake up and smell the bullcrap.
As of April/2021 for people planning on integrating deeply with a Cloud provider services (not going for cloud-agnostic-solutions) choosing to depend on Google Cloud instead of AWS or Azure will more often than not prove to be an expensive mistake.
Scaling the WhatsApp online-status hack from a single contact to 5000 random phone numbers — what the data says about phone usage habits.
This is a guide for starting a TypeScript project in 2021 with modern tooling. TypeScript 4 Optionally esbuild to bundle for browsers (and Node.js) Linting with typescript-eslint (tslint is deprecated) Testing with Jest (and ts-jest) Publishing a package to npm Continuous integration (GitHub Actions / GitLab CI)…
BGP is the glue between all of the thousands of border routers that make up the internet (you can find this post (battleships) and this post (EvE) as a crash course on how BGP works).
Welcome to the world of Git. I hope this document will help to advance your understanding of this powerful content tracking system, and reveal a bit of the simplicity underlying it — however dizzying its array of options may seem from the outside.
Programming, Coffee and Indie Hacking
a guided introduction for first-timers
Back in May 27, 2020 Microsoft published a blog post describing a new feature in Notepad:
tl;dr CocoaPods is a popular package manager used by lots of iOS apps (among other Swift and Objective-C Cocoa applications). I found a remote code execution...
How very different the world of software is in an alternative universe which has software designers rather than software engineers? In this interview, we look at a range of topics from software design sketching to software designer education, as well as the way in which software designers reshape any problem they are…
Earlier this year, when Spotify announced that “The Joe Rogan Experience” would stream exclusively on Spotify, it sent shockwaves throughout the podcast ecosystem. This deal – reportedly worth over $100 million – is one of the most lucrative podcast deals. The presence of this deal, let alone the magnitude, is rare…
Erik Bernhardsson
Many people are tying a “Granny Knot”, which sits crooked and comes loose. Learn the “one simple trick” for keeping your shoes neatly and securely tied.
I have been long wanting a PDA of sorts with an E-Ink screen that allows me to read stuff on the Internet without eye strains. But the Kindle really sucks as a newsreader device because the experimental browser never works correctly.
The PiDP-11 is a modern replica of Digital Equipment Corporation’s influential PDP-11 minicomputer. Before, we had a computer on every desk and in every home–and long before they were in every pocket–computers were large, intimidating, and locked in special rooms at universities and corporations. The PDP series paved…
Editor’s Note 4/4/21: A few weeks after this article was published, a mysterious prion disease was identified in New Brunswick, Canada. I do not have to say that viruses have dominated every level of public conversation for the past year. Ancient and odd but relatively easy to talk about,
Here’s a sentence I find myself saying several times a week: …or we could just box it. There’s two remarkable things about this sentence. The first, is that the advice is very rarely heeded, and in...
How to turn 256 bits of entropy into a beautiful, avatar-friendly circular SVG: the Hashvatar.
Once upon a time we were creatures in the wilderness and we evolved the ability to hear sounds. Now here's an interesting thing, if you hear a sound of frequency f and others of frequency 2f, 3f, etc then there's a good chance these sounds come from the same object, due to the physical principle of resonance . And so…
Recently my friend Lars Hupel and I had a discussion on why formal methods don’t compose well. You can read the conversation here. We focused mostly on composing formally-verified code. I want to talk a little more about the difficulties in composing specifications. This is half because it’s difficult for interesting…
A basic introduction to Western music theory using the Python programming language to derive scales, chords, and modes in every key.
Everyone knows that on most systems you can specify IPv4 addresses just 4 decimal numbers separated with periods (dots). Example: 192.168.0.1 Useful when you for example want to ping your local wifi router and similar. "ping 192.168.0.1" Other bases The IPv4 string is usually parsed by the inet_addr() function or at…
