StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
sql combine two columns that might have null values
| Author | Votes | Δ |
|---|---|---|
| Pranav | 3 | +2.20 |
| RB. | 2 | -0.21 |
| CloudyMarble | 0 | -1.66 |
Last visited: Sep 14, 2014, 5:07:29 AM