Today I learnt that Arch Linux has a paccache.timer built-in service. This service (you can enable it from systemctl) ensures your package cache doesn't grow excessively.
Really handy, though I wonder why it isn't enabled by default.
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Installed Linux on a new laptop yesterday, and needed to find a USB stick in a dusty drawer.
The stick previously had Arch Linux Installer 2021 on it! I can't think of any other uses for the device these days.
I'm never sure how to convert words with hyphens into SCREAMING_SNAKE_CASE. For example, should built-in function be BUILT_IN_FUNCTION or BUILTIN_FUNCTION?
Today I learnt that Racket *intentionally* doesn't have a traditional REPL workflow. The authors were concerned about students not understanding the state between the current session and the code on disk.
(Arguably Jupyter has some of these features now.)
https://blog.racket-lang.org/2009/03/the-drscheme-repl-isnt-the-one-in-emacs.html