in reply to
open(HTMLFH, '<:utf8', $http_fetch_file);
Update: Fixed typo (s/utt8/utf8/)
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (205 votes),