StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
how to select mutiple column match with a single value other column values be null?
| Author | Votes | Δ |
|---|---|---|
| Philip Fourie | 1 | +0.43 |
| dugas | 0 | -3.44 |
Last visited: Sep 14, 2014, 5:07:29 AM