in reply to
Variable Scoping in Perl: the basics
For a Spanish translation, please see Ámbito de variables en Perl: lo básico, by Hue-Bond.
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 (208 votes),