Nov 28
echo -n ‘abc.efgh.ijk.lmn’ | perl -ne ‘{while (/([a-z]+)\.([a-z]+)(.*)/) {
print “$1.$2\n“; $_ = $2.$3;}}‘
print “$1.$2\n“; $_ = $2.$3;}}‘
Oct 07
This is the most elegant way of counting bits set in an unsigned integer.
unsigned int in_integer;
unsigned int num_bits;
for (num_bits = 0; in_integer; num_bits++)
{
in_integer &= in_integer - 1;
}
unsigned int num_bits;
for (num_bits = 0; in_integer; num_bits++)
{
in_integer &= in_integer - 1;
}
Oct 07
Oct 06
Oct 06
Sep 29
