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Answers and rating deltas for
how to return value when use addObserver method?
| Author | Votes | Δ |
|---|---|---|
| Wain | 0 | 0.00 |
Last visited: May 1, 2015, 8:39:29 PM
| Author | Votes | Δ |
|---|---|---|
| Wain | 0 | 0.00 |