Is it possible to write a c++ template to check for a function's existence?

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Difference between pointer to constant and constant pointer to a constant. Give example.

0 Answers   HAL,

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class A { public: void f(); protected: A() {} A(const A&){} }; Examine the class declaration shown above. Why are the default and copy constructors declared as protected? 1. To ensure that A cannot be created via new by a more derived class 2. To ensure that A cannot be copied 3. To ensure that A cannot be used as a base class except when public inheritance has been used 4. To ensure that A cannot be created/copied outside the inheritance chain 5. To ensure that A cannot be instantiated as a static variable

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What are dynamic type checking?

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Which is better turbo c++ or dev c++?

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What is #include sstream?

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What is data abstraction? How is it different from data encapsulation?

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What is an undefined behavior and sequence points

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How do you compile the source code with your compiler?

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Explain the concept of dynamic allocation of memory?

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Give a very good method to count the number of ones in a "n" (e.g. 32) bit number.

3 Answers  

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what is data Abstraction? and give example

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