What is a dangling pointer in C++?C++ Programming Interview Question Answer:A dangling pointer arises when you use the address of an object afterits lifetime is over. This may occur in situations like returning
In the C Programming Language, the #define directiveallows the definition of macros within your source code. These macro definitions allow constant values to be declared for use throughout your code. ... You generally use this syntax when creating constants that represent numbers, strings or expre...
A brief description of the pointer in C. Application of void pointer in C Function pointer in c, a detailed guide How to use the structure of function pointer in c language? Online programming tools. Function pointer in structure. Pointer Arithmetic in C. 10 questions about dynamic memory all...
To assist self-study of C programming through code reading, we have studied the value trace problem (VTP). In a VTP instance, a source code and a set of questions are given to students. Each question asks the actual value of an important variable or an output message in the code. The...
In the Cfunction pointeris used to resolve the run time-binding. A function pointer is a pointer that stores the address of the function and invokes the function whenever required. I have already written an article that explains how is the function pointer work in C programming. If you are...
When not to use object oriented programming? How do you access elements (names) in struct: std::vectorstruct names;passed as parameter in a void function. Consider the following C-like program: int fun(int *i) { *i +=5; return 4; } void main() { int x = 3; x...
When a target value is indirectly pointed to by a pointer to a pointer, accessing that value requires that the asterisk operator be applied twice, as is shown below in the example −Open Compiler #include <iostream> using namespace std; int main () { int var; int *ptr; int **pptr;...
26 related questions found What is a constant pointer? Constant Pointers A constant pointer is a pointer that cannot change the address its holding. In other words, we can say that once a constant pointer points to a variable then it cannot point to any other variable. A constant pointer ...
When I started leaning C++, one of the big questions was, - What the heck is thisthis? As it turned outthisis a special kind of pointer. Thethispointer stores the address of the class instance, to enable pointer access of the members to the member functions of the class. There is a...
So, a couple questions/suggestions. Can NVIDIA publish the rules the compiler is using about using shared memory pointers? Is there a better way around this problem? There should be a way to hint to the compiler that a given pointer is in shared memory (i.e. (shared*) cast) ...