in reply to
Re^2: I just want to understand why ...
in thread Why does testing for the existence of hash keys create the keys ?
Much appreciate the changed title.
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 (135 votes),