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Quark C++ General Interview Questions

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class X { public: int x; static void f(int z); }; void X::f(int y) {x=y;} What is the error in the sample code above? a) The class X does not have any protected members. b) The static member function f() accesses the non-static z. c) The static member function f() accesses the non-static x. d) The member function f() must return a value. e) The class X does not have any private members.

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template class Obj { T my_t; X my_x; public: Obj(T t, X x) : my_t(t), my_x(x) { } }; Referring to the sample code above, which one of the following is a valid conversion operator for the type T? a) T operator T () { return my_t; } b) T operator(T) const { return my_t; } c) operator(T) { return my_t; } d) T operator T (const Obj &obj) { return obj.my_t; } e) operator T () const { return my_t; }

1 6430

catch(exception &e) { . . . } Referring to the sample code above, which one of the following lines of code produces a written description of the type of exception that "e" refers to? a) cout << e.type(); b) cout << e.name(); c) cout << typeid(e).name(); d) cout << e.what(); e) cout << e;

2 6985

int f() { int I = 12; int &r = I; r += r / 4; int *p = &r; *p += r; return I; } Referring to the sample code above, what is the return value of the function "f()"? a) 12 b) 15 c) 24 d) 17 e) 30

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I checked in modified code into vSS . Now I have another working area and which has older version. Now I wanted to findout the difference between VSS and older version in another working area which is not the VSS area. Now the question is after getting difference between the VSS and another working area. There will be some files difference. How do I take only difference files recursively into some other area.

2050

Explain the concept of scope hierarchy. In what ways can you use a directive?

799

What is negative tag?

817

What is the Cdc?

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What is ios viewdidload?

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an array t[100] which contains numbers between 1..99. Return the duplicated value. Try both O(n) and O(n-square).

896

What do you understand by reactor pattern in node.js?

471

who issues a certificate, explain in detail?

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What is Co- and Contra-Variance in C#?

971

Is java as fast as c++?

1092

What are minterm and maxterm?

1196

Please define e.s.u. it is the unit of ...... It is equal to .....

2064

Do you need a projector for powerpoint?

340