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Answers and rating deltas for
What does the `&` mean in the following ruby syntax?
| Author | Votes | Δ |
|---|---|---|
| mattt | 3 | +5.05 |
| sepp2k | 1 | +0.00 |
| Scott Anderson | 1 | +0.85 |
| jalf | -1 | -1.49 |
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