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Is there any difference between GROUP BY and DISTINCT

... MusiGenesis' response is functionally the correct one with regard to your question as stated; the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mean is "Distinct" - and th...
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Source unreachable when using the NuGet Package Manager Console

...lder version and it should work fine. There seems to be still few bugs in VS 2015 related to api.nuget.org (v3). share | improve this answer | follow | ...
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Function return value in PowerShell

... PowerShell has really wacky return semantics - at least when viewed from a more traditional programming perspective. There are two main ideas to wrap your head around: All output is captured, and returned The return keyword really just indi...
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Metadata file '.dll' could not be found

...idn't solve issue so I've had to do next steps: - clean solution - uncheck all build checkboxes - restart VS - check all build checkboxes - build solution – frankie Apr 8 '14 at 9:54 ...
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std::function vs template

...buggy program to your customer. Moreover, as you correctly pointed out, calls to template functions are resolved statically (i.e. at compile time), so the compiler has all the necessary information to optimize and possibly inline the code (which would not be possible if the call were performed thr...
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The requested operation cannot be performed on a file with a user-mapped section open

...piled in the Debug folder... Strange, isn't it? I found out using a tool called Unlocker. Had to delete with Unlocker, even when it was saying that there was no lock over the file, and I couldn't delete the folder until I didn't delete that single file... After that it compiled. EDIT: I found o...
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How to push both value and key into PHP array

... it is the faster of the two: array_push vs array[]. Array[] is about 2x as fast if i remember correctly... – jasonflaherty Nov 20 '19 at 18:18 ...
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Check that an email address is valid on iOS [duplicate]

...ailString@email.com" isValidEmail]) { /* True */ } if([@"InvalidEmail@notreallyemailbecausenosuffix" isValidEmail]) { /* False */ } share | improve this answer | follow ...
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Can Powershell Run Commands in Parallel?

...o do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a script out and running thos...
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Linking static libraries to other static libraries

I have a small piece of code that depends on many static libraries (a_1-a_n). I'd like to package up that code in a static library and make it available to other people. ...