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How to implement a unique index on two columns in rails

... Dorian 17.4k66 gold badges101101 silver badges102102 bronze badges answered Nov 8 '10 at 12:45 shingarashingara...
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What is the difference between origin and upstream on GitHub?

... VonCVonC 985k405405 gold badges33953395 silver badges39913991 bronze badges ...
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Finding the author of a line of code in Mercurial

... | edited Mar 18 '13 at 14:21 answered Feb 9 '10 at 10:44 ...
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How to copy part of an array to another array in C#?

.... – Hamish Grubijan Aug 6 '12 at 16:47 11 @Hamish well, maybe. Personally I wouldn't add explicit...
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Do c++11 lambdas capture variables they don't use?

...ambda expression, it is not implicitly captured. To continue with §5.1.2/14 An entity is captured by copy if it is implicitly captured and the capture-default is = or if it is explicitly captured with a capture that does not include an &. Since your my_huge_vector is not implicitly captured...
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In Scala, what exactly does 'val a: A = _' (underscore) mean?

... 144 val a: A = _ is a compile error. For example: scala> val a: String = _ <console>:1: e...
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What is “incremental linking”?

...ger and slower, as decribed here: http://msdn.microsoft.com/en-us/library/4khtbfyf.aspx Edit: As mentioned by Logan, incremental linking is also incompatible with link time code generation - therefore losing a possible performance optimization. You may want to use incremental linking for debug bu...
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KeyValuePair VS DictionaryEntry

... | edited Jul 31 '13 at 6:45 answered May 25 '09 at 5:46 cd...
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Elegant method to generate array of random dates within two dates

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Capture Stored Procedure print output in .NET

... 143 You can do this by adding an event handler to the InfoMessage event on the connection. myConn...