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Answers and rating deltas for
Why does this return Nil in Ruby on Rails 3?
| Author | Votes | Δ |
|---|---|---|
| Kelsin | 2 | +3.88 |
| sren | 1 | -1.12 |
| amfeng | 1 | -0.76 |
| Kleber S. | 1 | -0.91 |
| Jim Morris | 1 | -1.09 |
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