Out of fgets() and gets() which function is safe to use?
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What is stoi in c++?
class Foo { const int x; protected: Foo(int f); ~Foo(); }; Foo f; Referring to the sample code above, why will the class declaration not compile? a) The variable x is const. b) The destructor is protected. c) The destructor is not public. d) The constructor is protected. e) There is no default constructor.
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When we use Abstract Class and when we use Interface?where we will implement in real time?
What is abstraction in c++ with example?
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