Writing a semaphore in Go

Anyone who has implemented a simple HTTP 1.1 server can tell you that it is a really simple protocol. Basically, it’s a text file that has some specific rules to make parsing it easier. All HTTP requests look something like this: 1 GET /path HTTP/1.1\r\n Host: aarol.dev\r\n Accept-Language: en,fi-FI\r\n Accept-Encoding: gzip, deflate\r\n \r\n The...

Making changes to websites is tricky, because even small changes may lead to visual regressions in the page layout. For example, changing a bit of CSS to fix something somewhere may blow up in a completely different place. I could just click around and make sure everything looks okay, but that is boring and error-prone. What if I told you that...

Recently, the cushions of my old headset, the HyperX Cloud Stinger, were breaking apart pretty bad. I had been using them for 5+ years at that point, so it was time for an upgrade. I bought a new wireless gaming headset, the SteelSeries Arctis Nova 7. So far, it has been great. I was expecting to feel a noticeable delay in the audio since they...

Go package for soft-reloading web server assets

Advent of Code is an annual set of Christmas-themed computer programming challenges that follow an Advent calendar. It has been running since 2015. The programming puzzles cover a variety of skill sets and skill levels and can be solved using any programming language. Participants also compete based on speed on both global and private...