StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
I came across this sign in PHP " ? 0 : ".What does it mean?
Author | Votes | Δ |
---|---|---|
Madbreaks | 0 | +0.11 |
xlecoustillier | 0 | -0.11 |
Last visited: Apr 28, 2015, 8:10:07 PM