StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Rails: test if a column allows nil values
| Author | Votes | Δ |
|---|---|---|
| Weston Ganger | 0 | 0.00 |
Last visited: May 1, 2015, 9:09:02 PM
| Author | Votes | Δ |
|---|---|---|
| Weston Ganger | 0 | 0.00 |