Category : abstraction

According to what I have learned, Abstraction is a concept of hiding internal implementation. We can achieve abstraction in java with interfaces, abstract keyword(for class/method) as well as through methods. eg Scanner s = new Scanner(System.in); int x = s.nextInt(); Here we need not know anything about nextInt() method. So I can say this is ..

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The More General Question I am wondering if there is a standard way that operating systems / desktop managers use to expose the user’s preference regarding the placement of the window frame controls (Close, Maximize/Miniaturize, Minimize). For platforms like Windows and MacOS, it’s "pretty" safe to assume that the users wants their window controls on ..

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Let’s say I have the following class: template <typename T> class SomeClass : Parent<T> { public: // I have a function such as this one: T DoSomething(const T &t) { return t.DoSomething(some_data); } // But `T` might be a pointer, so sometimes I will need something like the following // instead (which obviously doesn’t work ..

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I am relatively new to C++ and am building a matrix class for carrying out with it common linear algebra operations. Some snippet of the hpp: template<const int rows, const int columns, typename T=float> struct Matrix3D { const int shape[2] = {rows, columns}; float content[rows][columns]{}; Matrix3D() { for (int i = 0; i < rows; ..

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