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Answers and rating deltas for
I came across this code snippet in the hello android book and do not understand it
| Author | Votes | Δ |
|---|---|---|
| holtaf | 1 | +2.17 |
| Scary Wombat | 1 | +0.37 |
| ravindra.kamble | 0 | -2.93 |
| SoulRayder | 0 | -2.20 |
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