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std::enable_if to conditionally compile a member function

...s/bodies!). Among them are also its member templates. Note that T is known then, and !std::is_same< T, int >::value yields false. So it will create a class Y<int> which contains class Y<int> { public: /* instantiated from template < typename = typename std::...
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Getting a timestamp for today at midnight?

...ter you can do it this way: $today = (new DateTime())->setTime(0,0); Then you can use the echo $today->format('Y-m-d'); to get the format you want your object output as. PHP DateTime Object share | ...
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Docker - a way to give access to a host USB or serial device?

... if you are using something dynamic which uses devices within /dev/bus/usb then this won't work because the device name changes when you plug and unplug it. You'll need the above -v (volumes) solution instead. – Brad Grissom Apr 7 '16 at 16:48 ...
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How to remove/delete a large file from commit history in Git repository?

I accidentally dropped a DVD-rip into a website project, then carelessly git commit -a -m ... , and, zap, the repo was bloated by 2.2 gigs. Next time I made some edits, deleted the video file, and committed everything, but the compressed file is still there in the repository, in history. ...
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SQL Server : Columns to Rows

...e 150 columns to unpivot and you don't want to hard-code the entire query, then you could generate the sql statement using dynamic SQL: DECLARE @colsUnpivot AS NVARCHAR(MAX), @query AS NVARCHAR(MAX) select @colsUnpivot = stuff((select ','+quotename(C.column_name) from information...
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Convert JavaScript string in dot notation into an object reference

...s their property keys, so for example if x was a generic object like x={}, then x[1] would become x["1"]... you read that right... yup... Javascript Arrays (which are themselves instances of Object) specifically encourage integer keys, even though you could do something like x=[]; x["puppy"]=5;. B...
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Java Generate Random Number Between Two Given Values [duplicate]

... Assuming the upper is the upper bound and lower is the lower bound, then you can make a random number, r, between the two bounds with: int r = (int) (Math.random() * (upper - lower)) + lower; share | ...
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One Activity and all other Fragments [closed]

...tivity would be a FragmentActivity and as long as you don't need a MapView then there are no real limitations. If you do want to display maps though, it can be done, but you'll need to either modify the Android Compatibility Library to have FragmentActivity extend MapActivity or use the the publicl...
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How can I give the Intellij compiler more heap space?

...elij Setting Options 2). Go to Control Pannel Select View by :Large icons then Go to Java one promp window will appear with name java control pannel then go to java Java VM Options select view option. java view options In Java Run time Environment Setting pass Run time Parameters as -Xmx1024m. ...
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Convert character to ASCII numeric value in java

I have String name = "admin"; then I do String charValue = name.substring(0,1); //charValue="a" 22 Answers ...