You know... Forgotten a semi-colon at the end of a line in C? Typed that tag for links in HTML as "<A HERF=" instead of "<A HREF="? Slipped your mind that stripping nekkid and stolling into the governor's mansion is against the law?
Well, my friends, here is your first one-stop shop for all your troubleshooting needs. This node it classed by different topics. Try to keep your tip among it's friends for easy access...