Answer / pah

Threads can be used to run multiple concurrent tasks in a
single process. One use for threads is to make the user
interface responsive by running it in it's own thread and
performing heavy calculations and data manipulation in another.

C++ doesn't have any built-in multi-threading support but
you can use boost or pthread libraries for that purpose.

When is dynamic checking necessary?

0 Answers  

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class Foo { public: Foo(int i) { } }; class Bar : virtual Foo { public: Bar() { } }; Bar b; Referring to the above code, when the object 'b' is defined, a compiler error will occur. What action fixes the compiler error? a) Adding a virtual destructor to the class Bar b) Adding a constructor to Bar which takes an int parameter c) Adding "Foo()" to the Bar constructor d) Adding a copy constructor to the class Foo e) Adding "Foo(0)" to the Bar::Bar initializer list

2 Answers   Quark,

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What is Memory Alignment?

2 Answers   TCS,

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Do you need a main function in c++?

0 Answers  

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How do you differentiate between overloading the prefix and postfix increments?

0 Answers  

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What is realloc() and free()? What is difference between them?

1 Answers  

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Do you know the use of vtable?

0 Answers  

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What do you mean by static variables?

0 Answers  

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Eplain extern keyword?

0 Answers  

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write a C++ programming :if the no is between 32 to 50 it will be odd.

3 Answers   NIIT,

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Write a program to interchange 2 variables without using the third one.

0 Answers  

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What are advantages of C++ when comparing with C?

18 Answers   HP, iGate, TCS,

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