Repost: Programmer Jargon

I'd like to highlight a few of the new programmer jargons.

1 - I'm thrilled to learn of the "Yoda condition", so now I have something to call this silly way of writing the condition. Can anyone tell me why you'd write the condition this way?

8 - Heisenbugs are something I've been referring to for over 10 years.

20 - I'll need to inform students that "ninja comments" are not acceptable documentation.