miniblog.

I eventually learned that there's a 'correct way up' for USB A cables. The two small holes should be on top. Tragically not all power adapters get this right, even for name brands. My ability to get the cable right first time still isn't much better than 50%!

Compiler error messages is such a deep topic. Even in rustc, a mature compiler that invests effort in diagnostic quality, I find interesting issues every few months. (The majority have been fixed pretty quickly, so it's really rewarding to file issues.)

I had a third attempt at porting difftastic from Dijkstra to A*, and I've eventually concluded that A* just isn't worth it for the implementation complexity. I had fun writing it up though, and I've even attempted ASCII art for building intuitions: