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A migration to add unique constraint to a combination of columns

... 251 add_index :people, [:firstname, :lastname, :dob], :unique => true ...
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How do I send a JSON string in a POST request in Go

... 519 I'm not familiar with napping, but using Golang's net/http package works fine (playground): ...
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XPath OR operator for different nodes

... | edited Apr 10 '17 at 15:56 dur 11.9k1414 gold badges6161 silver badges9090 bronze badges answered Ma...
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How to convert integer timestamp to Python datetime

I have a data file containing timestamps like "1331856000000". Unfortunately, I don't have a lot of documentation for the format, so I'm not sure how the timestamp is formatted. I've tried Python's standard datetime.fromordinal() and datetime.fromtimestamp() and a few others, but nothing matches...
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What does it mean when git says a file “needs update”?

... Michael MrozekMichael Mrozek 141k2424 gold badges151151 silver badges159159 bronze badges 4 ...
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Programmatically fire button click event?

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What does “%.*s” mean in printf?

... | edited Jul 7 '15 at 21:22 BaCaRoZzo 6,71266 gold badges4343 silver badges7070 bronze badges a...
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How to copy an object in Objective-C

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javascript node.js next()

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Check for array not empty: any?

... 251 any? isn't the same as not empty? in some cases. >> [nil, 1].any? => true >> [n...