Help for this page
say unpack "C/A", "\x05hellofred";;
my( $len1, $len2 ) = unpack "SS", $packed;
my( $data1, $data2 ) = unpack "x[SS] A$len1 A$len2", $packed;
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 (9 votes),