Wander around. Ask a stupid question. No matter how good you are at something, somebody is better than you at something else. Several guys here smoke me at math and anybody can out class me with a microprocessor, still, I have a purpose, and (usually) the good sense to stay out of the forums I shouldn't be pretending to. Try to see where you fit in. When you need to stretch out of your comfort zone, you can usually find help here.