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How can I return NULL from a generic method in C#?

I have a generic method with this (dummy) code (yes I'm aware IList has predicates, but my code is not using IList but some other collection, anyway this is irrelevant for the question...) ...
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MySQL “Group By” and “Order By”

...points out below the solution is to use ANY_VALUE() from 5.7 and above See http://www.cafewebmaster.com/mysql-order-sort-group https://dev.mysql.com/doc/refman/5.6/en/group-by-handling.html https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html https://dev.mysql.com/doc/refman/5.7/en/miscell...
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Difference between .tagName and .nodeName

...n the DOM Core spec. nodeName is a property defined in the Node interface http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-F68D095 tagName is a property defined in the Element interface http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-104682815 btw the Node interface is implemented by every n...
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Default value of a type at Runtime [duplicate]

For any given type i want to know its default value. 6 Answers 6 ...
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C++11 reverse range-based for-loop

Is there a container adapter that would reverse the direction of iterators so I can iterate over a container in reverse with range-based for-loop? ...
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Mocking objects with Moq when constructor has parameters

...ameters) OR you need to create the Moq with constructor arg specification. http://www.mockobjects.com/2007/04/test-smell-mocking-concrete-classes.html The best thing to do would be right click on your class and choose Extract interface. ...
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How do I create a new line in Javascript?

... in the document document.write("<br>"); Here's a sample fiddle http://jsfiddle.net/g6eAF/ share | improve this answer | follow | ...
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How do I Sort a Multidimensional Array in PHP [duplicate]

...of associative arrays - multiple row sorting using a closure. * See also: http://the-art-of-web.com/php/sortarray/ * * @param array $data input-array * @param string|array $fields array-keys * @license Public Domain * @return array */ function sortArray( $data, $field ) { $field = (array)...
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Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/

...sheet that loads images from an external domain and I need it to load from https:// from secure order pages and http:// from other pages, based on the current URL. I found that starting the URL with a double slash inherits the current protocol. Do all browsers support this technique? ...
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Convert XML String to Object

I am receiving XML strings over a socket, and would like to convert these to C# objects. 15 Answers ...