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Answers and rating deltas for
Ruby on Rails : undefined method `-' for nil:NilClass
| Author | Votes | Δ |
|---|---|---|
| Shifa Khan | 1 | 0.00 |
Last visited: Jan 2, 2016, 4:16:54 PM
| Author | Votes | Δ |
|---|---|---|
| Shifa Khan | 1 | 0.00 |