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Answers and rating deltas for
how to add object to a list only if list is not null and isn't already in a list?
| Author | Votes | Δ |
|---|---|---|
| Richard Miskin | 4 | +3.71 |
| Chamil | 0 | -1.74 |
| Itay Karo | 0 | -0.25 |
Last visited: Sep 14, 2014, 5:07:29 AM