With 64GB all I can think of is a lot of memory for street map routing (OSRM). Otherwise, homelab it.

I call them after what service is running on it. E.g. openvpn.

For me I spent one hour of ADHD hyper focusing to get the gist of regex. Python.org has good documentation. It’s been like 2 years so I’ve forgotten it too lol.

I fiddled with TI BASIC in school and wrote a horrifying abomination that ran Minesweeper. Complete with 3x3 clearing and flagging. Calc 1 was my free period.