StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
SQL query to select one row from each group with preference
| Author | Votes | Δ |
|---|---|---|
| Mahmoud Gamal | 1 | +1.21 |
| wildplasser | 0 | -1.21 |
Last visited: Sep 14, 2014, 5:07:29 AM