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Top Answers
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Using ActiveRecord, is there a way to get the old values of a record during after_update
157 votes
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Rolling back a failed Rails migration
84 votes
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I have a Rails task: should I use script/runner or rake?
63 votes
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Using OpenSSL what does "unable to write 'random state'" mean?
18 votes
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Near-Duplicate Image Detection
15 votes
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Is there a way to detect if a browser window is not currently active?
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Using OpenSSL what does "unable to write 'random state'" mean?
427 votes8 answers
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List columns with indexes in PostgreSQL
271 votes24 answers
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How to load db:seed data into test database automatically?
130 votes8 answers
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What's the state of the art in email validation for Rails?
95 votes14 answers