StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
mysql check if column exists before adding
| Author | Votes | Δ |
|---|---|---|
| slon | -1 | 0.00 |
Last visited: Mar 6, 2018, 8:32:24 AM
| Author | Votes | Δ |
|---|---|---|
| slon | -1 | 0.00 |