Just wondering what would you do if you need to run something by a Dev at, say, 5PM. Or 7. Or 10 in the night? Or at 2am, when Asia woke up to a big change-req

Just wondering what would you do if you need to run something by a Dev at, say, 5PM. Or 7. Or 10 in the night? Or at 2am, when Asia woke up to a big change-request/bug/whatever? My response would be to do the same at 2.