A book I was recently reading mentioned a mathematical curiosity I haven't seen before - Tupper's self-referential formula. There are some resources about it online, but this post is my attempt to explain how it works - along with an interactive implementation you can try in the...
One of the things I really love about Go's structural typing is how interfaces work. It took a bit of getting used to it coming from Java, but I really enjoy the fact that just by implementing a method, you can call it a day. For instance, if you want to implement an HTTP server,...
Let's say that we have three binaries, and we want to detect the Operating Systems and CPU architectures in use: ls dmd dmd-darwin dmd.exe url If we run this through the file command, we can see the following information: $ file dmd dmd: ELF 64-bit LSB executable, x86-64, version...
I've recently been writing some HTTP servers using Go's net/http package, and found that trying to add a 404 handler - by default - wasn't super straightforward. As per the net/http documentation: Note that since a pattern ending in a slash names a rooted subtree, the pattern &q...
Fuzz testing is Go’s clever way of generating new test inputs that you didn’t think of—and that may flush out some hidden bugs. Stand by for things to get a little fuzzy!
Fuzz testing is Go’s clever way of generating new test inputs that you didn’t think of—and that may flush out some hidden bugs. Stand by for things to get a little fuzzy!
This blog has now been running for 20 years! Twenty years... a significant chunk of a human's adult life; while so many things in my life have changed since May 2003, the blog has remained a constant companion. This milestone inspired me to do some archaeology using the amazing W...
Learn how to use x/exp/teatest to write tests for your Bubble Tea apps.