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NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder

There is an issue with the Android appcompat v7 library on Samsung devices running Android 4.2. I keep getting crashes with the following stack trace in my Developer Console: ...
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How do I create an abstract base class in JavaScript?

...nction() { throw new Error("Abstract method!"); } The Animal "class" and the say method are abstract. Creating an instance would throw an error: new Animal(); // throws This is how you "inherit" from it: var Cat = function() { Animal.apply(this, arguments); // Cat initialization....
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Collection that allows only unique items in .NET?

...set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order. Note that the HashSet<T>.Add(T item) method returns a bool -- true if the item was added to the collection; false if the item was already present. ...
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Difference between “git checkout ” and “git checkout -​- ”

...er what it looks like." This is not Git-specific, it's a general Unix command line convention. Normally you use it to clarify that an argument is a file name rather than an option, e.g. rm -f # does nothing rm -- -f # deletes a file named "-f" git checkout1 also takes -- to mean that sub...
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Is it better in C++ to pass by value or pass by constant reference?

...l types, except for builtin types (char, int, double, etc.), for iterators and for function objects (lambdas, classes deriving from std::*_function). This was especially true before the existence of move semantics. The reason is simple: if you passed by value, a copy of the object had to be made an...
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trying to animate a constraint in swift

... that I want to enlarge its width when tapped on. I set up the constraints and made sure the constraint on the left has the lower priority then the one that I am trying to animate on the right side. ...
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How to change legend title in ggplot

I have the following plot like below. It was created with this command: 12 Answers 12...
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AngularJS and its use of Dollar Variables

Does anyone know if the reasoning behind the use of dollar methods and variables in angularJS is to instruct angularJS to avoid checking those values when a digestion is going on? So, if angular comes across $scope.$value and $scope.value , then it will avoid checking the former since it's prefix...
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Why is GHC so large/big?

... have to decide up front whether you're going to link dynamically or not. And we need more changes (e.g. to Cabal and the package system, amongst other things) before this is really practical. share | ...
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How to add a button dynamically in Android?

How to add a button dynamically in Android? 17 Answers 17 ...