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Answers and rating deltas for
How do I check if a variable really responds_to :dup?
| Author | Votes | Δ |
|---|---|---|
| Guilherme Bernal | 6 | +1.30 |
| Linuxios | 3 | +0.05 |
| Cary Swoveland | 1 | -0.96 |
| rainkinz | 1 | -3.12 |
| x-yuri | 1 | 0.00 |
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