just today I wasted some debugging cycles when my problem was using "sleep(500)" vs "usleep(500 * 1000)" (500 seconds vs 500 ms). "why isn't my code doing anyt

just today I wasted some debugging cycles when my problem was using "sleep(500)" vs "usleep(500 * 1000)" (500 seconds vs 500 ms). "why isn't my code doing anything?!"