As you can see from the image below, today I have received 5 reputation from a question upvote. Also today I selected my own answer to one of my own questions. For some reason that selection has reduced my reputation by two points, as evidenced by the "3" reputation I have amassed for today.
Is that expected? I wouldn't think so as the "Tiling Simplex Noise" line in the Reputation breakdown seems confused, and in general docking points for answering your own question doesn't make sense either.
Update: Here is what stackoverflow.com/reputation reveals, which doesn't corroborate the above: