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Answers and rating deltas for
How is 'isSubclassOfClass' not a valid selector when it is defined in NSObject?
| Author | Votes | Δ |
|---|---|---|
| Jeffery Thomas | 3 | +2.10 |
| Duncan C | 2 | -0.22 |
| jrturton | 2 | -1.21 |
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