This article explained the ActivityPub protocol (used by Mastodon and others) by describing the essential endpoints which may be served simply in static json.

I love this approach of explaining things by reducing a complex thing into the minimalist essentials.

A utility to find subdomains for a domain.

Also see https://crt.sh.

How to avoid texts shifting around with changing values in a variable pitch line?

1. use U+2007 FIGURE SPACE to pad numbers (not space, which may have different width to the digits)
2. use U+2212 MINUS SIGN instead of the ascii '-' character.

Search the transcripts of PBS Space Time.

• How to find the scancode of a key (evtest),
• And map it to some known keycode (setkeycodes).