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How to implement a unique index on two columns in rails
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186
add_index :subscriptions, [:user_id, :content_id], unique: true
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MySQL skip first 10 results
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128
Use LIMIT with two parameters. For example, to return results 11-60 (where result 1 is the first...
Convert a List into an ObservableCollection
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Casper
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answered May 8 '13 at 4:12
DenisDenis
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A 'for' loop to iterate over an enum in Java
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Basil Bourque
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answered Jul 9 '09 at 16:27
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How to write a Ruby switch statement (case…when) with regex and backreferences?
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YossiYossi
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How to disable all inside a form with jQuery?
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Explicitly calling a default method in Java
Java 8 introduces default methods to provide the ability to extend interfaces without the need to modify existing implementations.
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Hibernate dialect for Oracle Database 11g?
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edited Aug 8 '16 at 15:46
Community♦
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answered Mar 4 '11 at 4:59
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How to remove a field from params[:something]
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edited Nov 9 '18 at 20:06
rmcsharry
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Is there a recommended format for multi-line imports?
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Brendan MaguireBrendan Maguire
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