#Emacs tip of the day: `C-x C-j' will open a dired buffer containing the file in the current buffer.
miniblog.
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Paxedit is a nifty Emacs project that goes beyond paredit: https://github.com/promethial/paxedit/blob/master/readme.org
It understands e.g. (setf x 1 y 2), where you want to transpose pairs of expressions. It's also smart enough to allow you to operate on the sexp containing point, without you needing to move!
Clever vim plugin: given a series of string literals containing an interpolated variables, prompt the user for values and send the query to a real DB! https://www.vim.org/scripts/script.php?script_id=356
(convenient, but I hope it doesn't promote code vulnerable to SQL injection)
TIL that git log takes a grep option! You can search for commit message containing a string with $ git log --all --grep='my search string'