[scatters]

Expecting people to have personal projects outside work is very much selecting for a certain type of person. You're ruling out people who devote their time outside work to their families, or sport, or hobbies that don't involve programming.

[criddell]

I’m not ruling out anything. So far I have yet to find somebody who can’t come up with a code sample to bring to the interview. When that happens, I would probably give them a (paid) assignment. Maybe something like “fix issue #12345 on open source project X”. I’d have to think about it a little and discuss it with the candidate.