How to sort parent nodes before child nodes? - Topological sort

Dependencies between things are common, but they can be tricky to manage in code. You might think of using a graph to model your system, but how can you ensure that thing A happens before thing B? This is where the idea of a topological sort comes in.

This article …

abracadabra: How does Shazam work?

Your phone's ability to identify any song it listens to is pure technological magic. In this article, I'll show you how one of the most popular apps, Shazam, does it. The founders of Shazam released a paper in 2003 documenting how it works, and I have been working on an …

What a computer science degree looks like in 2020

Lots of people who are learning to code ask the question "Should I get a CS degree or do a bootcamp?", or "Is a degree necessary?". I have just finished my degree (not graduated yet), and while I can't give all the answers to these questions, I can share my …

Build a snake game on the BBC micro:bit

A detailed tutorial (simulator included)

By the end of this tutorial, you'll have built your very own game and learned not only about game development, but Python and the BBC micro:bit too. What's more, you don't even need to own a micro:bit to follow along!

Disappearing documentation (a Kubernetes war story)

I like a good war story, and I like them even more when I get to tell them. While writing my dissertation, I ran into a case of disappearing documentation. Here's what happened.

As part of my undergraduate dissertation, I was working with Kubernetes, and more specifically, the controllers within …