What this is for This is a list of Unicode symbols / code points that are often used on social media—besides emojis, which are already easy to input. The symbols themselves are listed alongside their hexademical Unicode code points. For often-used symbols, it’s useful to memorize the numerical code points so that you can input them without having to search engine the symbol (or refer to a webpage like this, which you should bookmark!...

Abbrevs in Emacs and its limited namespace problem Abbrevs in Emacs are tables of expansions of short words to arbitrary longer strings. This is commonly called a “text replacement” in other editors. The canonical example of an abbrev/text replacement[fn:meta_joke] is “omw” → “on my way”. Of course you could make more sophisticated abbrevs—e.g., replace a few letters with lines of #include <stdio.h> type boilerplate. A limitation I encountered with this was how easily my abbrevs could clash with normal text....

Problem You can’t set the key repeat rate beyond a certain amount in the Windows 10 Control Panel. There are some recommendations to change some registry settings, but even that doesn’t work; it only changes the setting in the Control Panel that you could change anyway. I like keys repeating very quickly because it allows quick navigation in text files. GNU/Linux desktop environments already let you choose any repeat rate you want....