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Answers and rating deltas for
How can I change_column_default based on the value selected of another row in a Ruby on Rails migrat
| Author | Votes | Δ |
|---|---|---|
| dbugger | 2 | +0.47 |
| muskrat_ | 0 | +0.06 |
| Fernando rivas | -1 | -3.81 |
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