in reply to
Perhaps this has to do with modifying a variable twice
(or more) in the same line. There's are long
discussions about the peril of such things
here and there about the site...
PS d'oh, Zaxo beat me to the point...
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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