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What is Dazzling Pointer in c plus plus?
The pointer that points to a block of memory that does not exist is called a dazzling pointer or wild pointer
What is null object in c plus plus?
a pointer that is not pointing to anything
What is an address in C plus plus programming?
An address in C or C++ is the location in memory of an object or function. An address is the contents of a pointer, as opposed to the contents of the memory location pointed to by the pointer.
Which function is used to determine the position of the put pointer in a file in c plus plus?
The function ftell returns the position of the file pointer for a file.
What does multiplying a pointer by 5 in C plus plus mean How does it change the pointer's value?
Multiplication is yet another thing, what you should never do with pointers.
Do you have pointer concept in c plus plus language?
Yes. All string variables are pointers as are other arrays.
What is the concept of asterisk in c plus plus?
An asterisk in C++, such as int *data, is what's known as a pointer. A pointer is like a regular variable, but instead of holding a value, a pointer holds the memory location of the value. It's a somewhat difficult concept, and you can learn more about it here: See related links section below...
Call by reference using pointer in c plus plus?
Example: void foo( MyClass& object ){} // function with call by reference signature MyClass* p = new MyClass(); // instantiate a pointer to MyClass foo( *p ); // call by reference using the pointer
Can you control ports through c plus plus?
Yes. If the ports are memory mapped, then you simply need a pointer to that address, and you need to declare the pointer as volatile. If they are I/O mapped, then you need to create an _asm{} block.
How this pointer works in C plus plus?
The "this" pointer is a pointer to the instance of the object, with scope within a member function of that object. It is not always necessary to use it, as references to variables defined in the object will be implicitly prefixed with "this->", but it can resolve name scoping problems, and it can make the code more readable.
Find the greater no between two nos using pointer in c plus plus programming?
if (*&a > *&b) *&max = *&a; else *&max = *&b;
How do you declare a string array and add elements to it in C plus plus?
You cannot add elements to a fixed array in C or C++. If, however, the array is declared as a pointer to an array, you can add elements by allocating a new array, copying/adding elements as needed, reassigning the new array to the pointer, and deallocating the original array.
