Pete Kruckenberg's Perfect WorldNow you're in itFinding array intersections faster in Perl (improving on Perl Cookbook)- February 9, 2007 Before I start, some background is in order since the term intersection isn't necessarily a common word. The intersection between two sets (lists, arrays, etc), say A = 1,2,3 and B = 2,3,4 (written A B) is the items...http://pete.kruckenberg.com/blog/archives/2007/02/finding_array_i.php Several ways to find "end of yesterday" in MySQL- February 5, 2007 Today I needed to find the time for "the end of yesterday" (i.e. 11:59:59 pm yesterday). MySQL has a handy month-end function LAST_DAY() which "takes a date or datetime value and returns the corresponding value for the last day of...http://pete.kruckenberg.com/blog/archives/2007/02/several_ways_to.php |