No, not that Avatar. And not the other one either. This post is about avatar.png, a handful of lines of PHP that have inspired me for a long time.
Around 2011 or 2012 a friend of mine, Andrew Kvalheim, blew my mind when he made his Skype profile picture display the IP address of the computer I was using. It might have looked a bit like this.
Several years ago I did a take-home interview which asked me to write a TFTP server in Go. The job wasn't the right fit for me, but I enjoyed the assignment. Lately, in my spare time, I've been tinkering with a Rust implementation. Here's what I've done to parse the protocol.
Hello! Welcome to the once-yearly blog post! This year I'd like to examine the most peculiar bug I encountered at work. To set the stage, let's start with a little background.