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Answers and rating deltas for
What is the most elegant way to validate the presence of ONLY one out of two attributes using Rails?
| Author | Votes | Δ |
|---|---|---|
| Chap | 7 | +4.26 |
| Steve Weet | 1 | -0.53 |
Last visited: Sep 14, 2014, 5:07:29 AM