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use constant MEGABYTE => 2 ** 20;
my $vector = '';
# 5,000 bits. Set every 100th bit between 15 million and 20 million.
printf "%0.1fM\n", length( $vector ) / MEGABYTE;
use constant KILOBYTE => 2 ** 10;
use Judy::1 qw( Set MemUsed );
printf "%0.1fK\n", MemUsed( $judy ) / KILOBYTE;
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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