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Answers and rating deltas for
In Perl, what's the difference between "if defined $count" and "if $count"?
| Author | Votes | Δ |
|---|---|---|
| cjm | 22 | +0.92 |
| Nikhil Jain | 5 | +3.30 |
| Greg Hewgill | 2 | -0.24 |
| brian d foy | 2 | +0.10 |
| molesworth | 0 | -0.77 |
| Preet Sangha | -1 | -0.67 |
| cloverink | -2 | -3.44 |
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