StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
rails migration unique true but allow null values
| Author | Votes | Δ |
|---|---|---|
| harika | 1 | +3.94 |
| Daniel Viglione | 0 | -3.94 |
Last visited: Nov 15, 2017, 2:40:35 AM