The poster on the first page that mentioned phrasing of a question or argument, nailed it on the head.
Instead of getting mad when someone disagrees with you, why not attempt to learn why someone would disagree with whatever question / topic was being discussed? This rule of thumb can be applied in all forms of disagreement, instead people usually chose the emotional response which very rarely ends with a positive outcome. So the moral of the story here is to lurk, learn, lurk some more, question if whatever you are about to post could be phrased better, don't take yourself too seriously, explore all options within yourself before posting etc.
Often times, when someone is seen to be "taking a shot at another poster," they're really just trying to bring humor to the table under the assumption that the receiving poster wouldn't take it so seriously / not have such thin skin. Unfortunately, this is an online forum and the tone of a post doesn't play into the equation and that is where proper phrasing / emoticons could possibly be the great equalizer.