StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Yii check if db column exists before creating it
| Author | Votes | Δ |
|---|---|---|
| Michael Härtl | 3 | +1.73 |
| Samuel Liew | 0 | -1.73 |
Last visited: Sep 14, 2014, 5:07:29 AM