2009-07-23 10:07
Qt is a cross platform GUI toolkit from Nokia. Its SDK is available under an LPGL license, it means we can use it free of charge to develop proprietary, commercial, closed-source software (t… Read More
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Computer Languages informations
2009-04-14 09:18
Q : What is a heap ?Ans : Heap is a chunk of memory. When in a program memory is allocated dynamically, the C run-time library gets the memory from a collection of unused memory called the h… Read More
2009-04-14 09:18
Q. Name some pure object oriented languages.Answer:
Smalltalk, Java, Eiffel, Sather.
Q. Name the operators that cannot be overloaded.Answer:sizeof . .* .->&hell…Read More
2009-04-14 09:17
Q. What is an incomplete type?Answer: Incomplete types refers to pointers in which there is non availability of the implementation of the referenced location or it points to some location wh… Read More
2009-04-14 09:17
Q. What is a modifier?
Answer: A modifier, also called a modifying function is a member function that changes the value of at least one data member. In other words, an operation that modifie… Read More
2009-04-14 08:54
Q: Is it possible to have Virtual Constructor? If yes, how? If not, Why not possible?
A: There is nothing like Virtual Constructor. The constructor can’t be virtual as the constructor… Read More
2009-04-08 11:59
8. Use the common denominator between members of a C/C++ compiler family. For many of the compiler families we use, the implementation of the C and C++ compilers are completely diff… Read More
2009-04-08 11:58
1. Be very careful when writing C++ templates. Don't use C++ templates unless you do only things already known to be portable because they are already used in Mozilla (such as… Read More
2009-04-07 11:22
Using array indices If you wished to set a variable to a particular character, depending upon the value of something, you might do this : switch ( queue ) { case 0 :… Read More
2009-04-03 12:49
Q:- What is thread & process?Ans:- Threads are similar to processes, but differ in the way that they share resources. Threads are distinguished from processes in that processes are typic… Read More
2009-04-03 12:49
Que: What is the difference between GetMessage and PeekMessage ?
Ans: GetMessage function waits for a message to be placed in the queue before returning where as PeekMessage function does no… Read More
2009-04-03 12:49
Q:- What is thread & process?Ans:- Threads are similar to processes, but differ in the way that they share resources. Threads are distinguished from processes in that processes are typic… Read More
2009-04-03 12:49
Que: What is the difference between GetMessage and PeekMessage ?
Ans: GetMessage function waits for a message to be placed in the queue before returning where as PeekMessage function does no… Read More
2009-04-03 12:48
Q:- What is model and modeless dialog box ? Give some examples?Ans:- When we create Modal Dialog Box we can't move to other windows until this dialog is closed. For eg: MessageBox, where we… Read More
2009-04-03 12:48
Q:- What is model and modeless dialog box ? Give some examples?Ans:- When we create Modal Dialog Box we can't move to other windows until this dialog is closed. For eg: MessageBox, where we… Read More
2009-04-03 12:46
Q:- What is socket?Ans:- A "socket" is an endpoint of communication: an object through which your application communicates with other Windows Sockets applications across a network.The two MF… Read More
2009-04-03 12:46
Q:- What is socket?Ans:- A "socket" is an endpoint of communication: an object through which your application communicates with other Windows Sockets applications across a network.The two MF… Read More
2009-04-03 12:43
Q: Is it possible to have Virtual Constructor? If yes, how? If not, Why not possible?A: There is nothing like Virtual Constructor. The Constructor can’t be virtual as the constructoris… Read More
2009-04-03 12:43
Q: Is it possible to have Virtual Constructor? If yes, how? If not, Why not possible?A: There is nothing like Virtual Constructor. The Constructor can’t be virtual as the constructoris… Read More
2009-04-03 12:37
Encapsulation
Think of encapsulation as a black box; data is sent to a method, a lot of work goes on using the data, of which you don't know or care about. An output is returned to the calle… Read More
2009-04-03 12:34
Polymorphism
Polymorphism is a simple concept that you understand right now, as it is prevalent through life. You are a person, which person is a base type and you are a more specific repres… Read More
2009-03-04 06:29
d Integer signed decimal integer
i Integer signed decimal integer
o Integer unsigned octal integer
u Integer unsigned decimal integer
x Integer unsigned hexadecimal int (with a, b, c, d, e… Read More
2009-03-02 10:43
Arrays
An array is a collection of objects of the same data type, allocated contiguously in memory. Individual objects in an array, called elements, are accessed by their position in the ar… Read More
2009-03-02 10:43
Arrays
An array is a collection of objects of the same data type, allocated contiguously in memory. Individual objects in an array, called elements, are accessed by their position in the ar… Read More
2009-02-26 12:22
Member access determines if a class member is accessible in an expression or declaration. Suppose x is a member of class A. Class member x can be declared to have one of the following levels… Read More
2009-02-26 10:01
Constructor :-
Constructor creates an object and initializes it. It also creates V-Table for virtual functions. It is different from other methods in a class. Constructors are used to… Read More
2009-02-26 10:01
Constructor :-
Constructor creates an object and initializes it. It also creates V-Table for virtual functions. It is different from other methods in a class. Constructors are used to… Read More
2009-02-26 09:59
Inheritance is a mechanism of reusing and extending existing classes without modifying them, thus producing hierarchical relationships between them.
Multiple inheritance allows you to crea… Read More
2009-02-26 09:58
A function call with the correct function definition at compile time. This is called static binding. You can specify that the compiler match a function call with the correct function definit… Read More
2009-02-26 09:57
An abstract class is a class that is designed to be specifically used as a base class. An abstract class contains at least one pure virtual function. You declare a pure virtual function by u… Read More
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