Figure it out on your own
I didn't need and didn't want a professor or T.A. to take time teaching me something I could easily figure out on my own. They are there to teach me the hard concepts and guide learning. They aren't and should not be there so you don't have to RTFM.
Learn How To Learn
College should be about learning how to learn, not just having your hand held through every topic you don't know. If you have your hand held constantly through this process you will fail miserably in the real world.
Uphill, Both Ways, Through the Snow
When I went to school they didn't bother to teach you the language either. You were expected to pick it up on your own time. They would give you the project and facilities. It was up to you to track down the information you needed in order to complete the implementation and submit a working program. Pretty similar to the real world, except with office hours.