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How to implement a unique index on two columns in rails
I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes:
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How can I change the copyright template in Xcode 4?
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How can I filter a Django query with a list of values?
I'm sure this is a trivial operation, but I can't figure out how it's done.
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How can I see the current value of my $PATH variable on OS X?
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What is the difference between os.path.basename() and os.path.dirname()?
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What is “incremental linking”?
I've looked at Microsoft's MSDN and all around the web, but I still haven't been able to get a really good idea of what it is.
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How to get the last element of a slice?
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How to set response filename without forcing “save as” dialog
...am in some response setting the appropriate content-type header. The behavior I'm looking for is this:
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Capture Stored Procedure print output in .NET
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