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Answers and rating deltas for
How to find out if enviroment variable is not set?
| Author | Votes | Δ |
|---|---|---|
| Etienne de Martel | 3 | +1.15 |
| Mark B | 0 | -0.96 |
| Norbert Willhelm | 0 | -1.58 |
Last visited: Sep 14, 2014, 5:07:29 AM