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Answers and rating deltas for
How can I test if a variable is defined?
| Author | Votes | Δ |
|---|---|---|
| Arup Rakshit | 4 | +2.43 |
| sawa | 2 | -1.11 |
| Jörg W Mittag | 2 | -1.32 |
Last visited: Sep 14, 2014, 5:07:29 AM