miniblog.

Test code is total: we require it to always terminate or it's a failure! It also typically has 100% line and branch coverage. I feel way less nervous about refactoring tests, you can always just run them.

Amazing blog post about running a modern Linux kernel on Chumby hardware, investigating bad CPU numbers from top, and finding a Linux kernel bug from 2009!

OSS components are so common in software stacks now. It might be an interesting exercise to try to build a e.g. a web service with 100% proprietary components.