StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Check if value appears twice in the same column in PHP using MySQL
| Author | Votes | Δ |
|---|---|---|
| dave | 1 | +0.49 |
| s.mujahid8 | 0 | -3.91 |
Last visited: Sep 14, 2014, 5:07:29 AM