Learn! You aren't hiring people to learn. They must know everything they will ever need on day 1. (Forget what it says about your company - you only do thing

Learn! You aren't hiring people to learn. They must know everything they will ever need on day 1. (Forget what it says about your company - you only do things that people at other companies have been doing for years...) I once got rejected because my solution to an interview question didn't use recursion. I had spent the previous 5 years doing embedded work on hardware where stack overflow was a real possibility - we had a real aversion to recursion if we could avoid it.