StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Am i creating a nil object? (undefined method ___ for nil:NilClass) error - ruby on rails
| Author | Votes | Δ |
|---|---|---|
| theIV | 2 | 0.00 |
Last visited: Sep 14, 2014, 5:07:29 AM