FWIW, if you're doing hobby projects or working on open-source software: when you get one of those CS related brain teasers start your answer with this if you g

FWIW, if you're doing hobby projects or working on open-source software: when you get one of those CS related brain teasers start your answer with this if you get the opportunity: "Oh, I encountered something similar while working on <insert project name>." Notice the little smile on the interviewer's face and how the interview derails in a chat about projects. Also applies if you don't know the answer but would like to know to unblock that issue you had.