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How to detect if a variable is an array

What is the best de-facto standard cross-browser method to determine if a variable in JavaScript is an array or not? 12 Ans...
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Limit file format when using ?

...I'd like to know if there is a solution. I'd like to keep solely to HTML and JavaScript; no Flash please. 11 Answers ...
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What does -D_XOPEN_SOURCE do/mean?

...nclude definitions for some extra functions that are defined in the X/Open and POSIX standards. This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows. The numbers refer to different versions of the...
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Singletons vs. Application Context in Android?

Recalling this post enumerating several problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
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How to change an application icon programmatically in Android?

... It's an old question, but still active as there is no explicit Android feature. And the guys from facebook found a work around - somehow. Today, I found a way that works for me. Not perfect (see remarks at the end of this answer) but it works! Main idea is, that I update the icon of my ...
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get dictionary key by value

...types.FirstOrDefault(x => x.Value == "one").Key; If values are unique and are inserted less frequently than read, then create an inverse dictionary where values are keys and keys are values. share | ...
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Multiple HttpPost method in Web API controller

...fine the following routes in WebApiConfig file. // Controller Only // To handle routes like `/api/VTRouting` config.Routes.MapHttpRoute( name: "ControllerOnly", routeTemplate: "api/{controller}" ); // Controller with ID // To handle routes like `/api/VTRouting/1` config.Rou...
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Why do we need extern “C”{ #include } in C++?

... C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler ...
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?

.... Is it ever advantageous to use goto in a language that supports loops and functions? If so, why? 25 Answers ...
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Numpy array assignment with copy

For example, if we have a numpy array A , and we want a numpy array B with the same elements. 3 Answers ...