Have you ever made a major development mistake? Of course you have.   Such mistakes are typical, and even to be expected, among all developers. The key thing isn’t to avoid making mistakes, but to learn from the ones you make. In this talk, Kerri Miller describes some of the mistakes she has made — and what she has learned from those mistakes, and how they have made her a better developer.  If you’re ever expecting to make mistakes at work, then this talk will help you to put it all in context, and consider new ways in which to approach your mistakes.