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Answers and rating deltas for
How do I test whether a variable is defined before referencing it?
| Author | Votes | Δ |
|---|---|---|
| Nietzche-jou | 3 | +3.42 |
| Davorak | 2 | +1.19 |
| Justin Ethier | 1 | -0.49 |
Last visited: Sep 14, 2014, 5:07:29 AM