Meta Binds Part 1: Drunk in the Dark29 Jun 2014, by Artur Malabarba.
Meta Binds post series
Learning numeric prefixes is a vital step in the road to Emacs mastery, and it's probably one of the editor's least appreciated features. It took me more than a year to get the hang of doing C-3 C-k instead of C-a C-space C-n C-n C-n C-w.
Still, having three different ways of invoking this marvel is one-too-many for my taste, specially when they take up premium keyboard space. M-9 isn't just a nice key, it's a key I can hit while drunk in the dark and wearing boxing gloves —it deserves an equally important command.
C-x 1 for
delete-other-windows isn't quite
abhorrent, but it also deserves better.