Giving notice to a job is the right thing to do—when you have the right employer. Like any relationship, the working relationship is built on trust, and a strong relationship that is filled with goodwill should always be honored. But when you know that the person employing you is prone to petty fits of rage—which often include firing people on the spot with no prior warning—maybe it's best not to let this person know that you plan on leaving their business in the next few weeks. After all, they…