So ask the programmer to program or debug something, give him a decent IDE and access to Google. Don't ask him to answer trivia. 'Can you fix this simple 10 line function' is much less insulting.
It is a huge turn off for a lot of people and indicates that the interviewer is either too lazy to make the question interesting, or not technical enough to generate an actual good question. Either way it is a red flag.
It is a huge turn off for a lot of people and indicates that the interviewer is either too lazy to make the question interesting, or not technical enough to generate an actual good question. Either way it is a red flag.