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How to know if two arrays have the same values

... function arraysEqual(_arr1, _arr2) { if (!Array.isArray(_arr1) || ! Array.isArray(_arr2) || _arr1.length !== _arr2.length) return false; var arr1 = _arr1.concat().sort(); var arr2 = _arr2.concat().sort(); for (var i = 0; i &l...
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How to destroy an object?

... 152 You're looking for unset(). But take into account that you can't explicitly destroy an object...
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JavaScript: What are .extend and .prototype used for?

... 137 Javascript's inheritance is prototype based, so you extend the prototypes of objects such as D...
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How Big can a Python List Get?

In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc? ...
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Why do we copy then move?

...r questions, one thing you seem to be getting wrong: taking by value in C++11 does not always mean copying. If an rvalue is passed, that will be moved (provided a viable move constructor exists) rather than being copied. And std::string does have a move constructor. Unlike in C++03, in C++11 it is ...
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Find and replace - Add carriage return OR Newline

... selected in the Find and Replace dialog: Note that for Visual Studio 2010, this doesn't work in the Visual Studio Productivity Power Tools' "Quick Find" extension (as of the July 2011 update); instead, you'll need to use the full Find and Replace dialog (use Ctrl+Shift+H, or Edit --> Find and...
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Formatting Phone Numbers in PHP

... SMS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database . ...
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Xcode/Simulator: How to run older iOS version?

... | edited Nov 23 '10 at 23:26 answered Nov 23 '10 at 23:18 ...
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Will Try / Finally (without the Catch) bubble the exception?

... 131 Yes, it absolutely will. Assuming your finally block doesn't throw an exception, of course, in...
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Rails 4 Authenticity Token

... 13 Answers 13 Active ...