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Answers and rating deltas for
How do I check if an object exists at a certain index of an NSMutableArray?
| Author | Votes | Δ |
|---|---|---|
| ckhan | 7 | +3.98 |
| trudyscousin | 2 | +1.27 |
| Tech Agent | 1 | -1.23 |
| smileBot | 0 | 0.00 |
| bittu | -1 | -4.02 |
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