in reply to
I usually debug via...
For code in development I usually use print.
For code which is already in production I usually use perl -d, so I can make changes during runtime without altering the original code.
I voted for print, since this is what I use more often.
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.
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