I like to have macros and metaclasses in a language. I prefer it when I don't have to use them.
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I'm never sure what to name my remotes in git. I tend to use 'mine' so I can add other forks later, but sometimes I use 'gh' or the traditional 'origin'.
What do others use?
TIL Advent of Code and Project Euler will deliberately look for puzzles where the naive solution is worse than quadratic.
This ensures that people can solve them with any programming language. You don't want fast languages to be able to use the naive solution.
Bootstrapping a language can be immensely satisfying.
I've added the ability to define stub types in the Garden stdlib and suddenly I don't need to special-case Int or String! They're just normal type declarations.