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Find rows with multiple duplicate fields with Active Record, Rails & Postgres

...ROR: function count – Magne Jul 8 '15 at 13:01 1 You can try User.select([:first,:email]).group(...
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Set default CRAN mirror permanent in R

...comment. – Joris Meys Dec 12 '11 at 15:04 2 I don't think that call to structure is doing anythin...
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Google access token expiration time

... 15 Since there is no accepted answer I will try to answer this one: [s] - seconds ...
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How do I print the type or class of a variable in Swift?

...eThing) (since the dynamicType keyword has been removed) Update October 2015: I updated the examples below to the new Swift 2.0 syntax (e.g. println was replaced with print, toString() is now String()). From the Xcode 6.3 release notes: @nschum points out in the comments that the Xcode 6.3 relea...
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How to host a Node.Js application in shared hosting [closed]

...stalling mongoDB too? – jsky Jan 6 '15 at 2:43 3 @jsky It should be possible since mongodb doesn'...
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Any shortcut to initialize all array elements to zero?

... array component is initialized with a default value when it is created (§15.9, §15.10) [...] For type int, the default value is zero, that is, 0.   If you want to initialize an one-dimensional array to a different value, you can use java.util.Arrays.fill() (which will of course use a loop inte...
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Recursively add the entire folder to a repository

... 15 Answers 15 Active ...
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How do I deep copy a DateTime object?

...ble. This worked. – racl101 Aug 11 '15 at 2:03 add a comment  |  ...
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How do I use FileSystemObject in VBA?

... something? – LuizAngioletti Aug 6 '15 at 22:03 Is there a way to AUTO tick the check-box 'Microsoft Scripting Runtim...
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Redirecting to a certain route based on condition

...t's mapped to? – honkskillet Sep 8 '15 at 16:44 @honkskillet: From the angular $routeProvider docs: "factory - {string...