I am not committing to the Advent of Code 2025 this year. I'm working on too many side projects checksmix, snipren, emomtimer. In fact I don't even have time to write this blog. On the other hand, I used some holiday downtime to work through Day 1 Part 1 in …

Blazing Fast MMIX Emulator

I like learning computer architectures by running code. MIX is good fun, but it’s dated and awkward for writing anything beyond small examples. MMIX, on the other hand, is a complete computer architecture—much closer to machines that were genuinely pleasant to program, like MIPS …

I rename a lot of files. So do you.

I respect the Unix way — mv file1 file2 — but in practice, file1 and file2 are usually the same name failing by one to three characters. Re-typing 97% of a filename feels ceremonial rather than intentional, especially when what I want is …

C-x C-x is teleport for your mark.

C-x h is “select literally everything right now”!

Rust Dev v1.91.1

Dear valued customers,

We are pleased to announce the release of our new container version 1.91.1. This new version includes several new features and improvements that will make your container experience even better.

Some of the new features include:

• Improved security
• Better performance …

How did i not know that you can make a c-style for loop in bash

$ for (( i=0; i<5; i++ ))
  do
      echo $i
  done