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Filter dict to contain only certain keys?

...ent (e.g. in a lambda) this is key observation. – gae123 Jan 27 '16 at 1:11 add a comment ...
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When should std::move be used on a function return value? [duplicate]

...on are met or would be met save for the fact that the source object is a function parameter, and the object to be copied is designated by an lvalue, overload resolution to select the constructor for the copy is first performed as if the object were designated by an rvalue. return foo; is ...
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How to mark-up phone numbers?

...e Skype Echo / Sound Test Service, the link would be <a href="skype:echo123?call">Call the Skype Echo / Sound Test Service</a> from msdn.microsoft.com/en-us/library/office/… – OzBob Apr 2 '15 at 4:11 ...
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How to shorten my conditional statements

...a comparison on the return value. I wish JavaScript would have an in_array function that returns a Boolean directly (similar to PHP), but that's just wishful thinking (Update: it now does. It's called includes. See above). Note that jQuery's inArray, while sharing PHP's method signature, actually mi...
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What's the difference between isset() and array_key_exists()? [duplicate]

... 123 Between array_key_exists and isset, though both are very fast [O(1)], isset is significantly f...
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What is the coolest thing you can do in

... commands you can use. Check http://www.microsoft.com/technet/scriptcenter/funzone/agent.mspx for more information. EDIT 2011-09-02 I recently discovered that Microsoft Agent is not natively installed on Windows 7. However it is offered as a separate download here. I have not tested this so cannot ...
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How to convert an int to string in C?

...o a string. Here is an example: int num = 321; char snum[5]; // convert 123 to string [buf] itoa(num, snum, 10); // print our string printf("%s\n", snum); If you want to output your structure into a file there is no need to convert any value beforehand. You can just use the printf format spe...
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Using CSS :before and :after pseudo-elements with inline CSS?

... 123 You can't specify inline styles for pseudo-elements. This is because pseudo-elements, like ps...
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What is the difference between compile and link function in angularjs

...eo which explains Compile and Link in Angular JS in a very great fashion: https://www.youtube.com/watch?v=bjFqSyddCeA It would not be pleasing to copy/type in all of the content here. I took a couple of screenshots from the video, which explain every stage of Compile and Link phases: The sec...
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Specifically, what's dangerous about casting the result of malloc?

... but forgetting to include stdlib.h. Compilers may assume that malloc is a function returning int, therefore converting the void* pointer actually returned by malloc to int and then to your pointer type due to the explicit cast. On some platforms, int and pointers may take up different numbers of by...