The tilde operator in C
The ~ operator is bitwise NOT, it inverts the bits in a binary number:
C++
Why does my program give “NULL used in arithmetic”
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 7 years ago. I wrote the following; It worked correctly, but when I added the line at the end: It no longer works. Why?
How to Read from a Text File, Character by Character in C++
You could try something like:
Creating a list to hold objects in C++
Your list should either be of type std::list<node*> or you should insert a node object (and not a pointer to one). or
Here is some error with my .h file which show [Error] unterminated #ifndef when I include my class template in it
You need to add a #endif to the end of your header file.
error: no member function declared in class
I keep getting the following errors from my code: (line 58) error: no ‘std::string Person::Modify_Person(Person)’ member function declared in class ‘Person’ In function ‘int main()’: (line 113) error: ‘Modify_Person’ was not declared in this scope Here is the code:
C++ classes (public, private, and protected)
In C++ there is no notion of an entire class having an access specifier the way that there is in Java or C#. If a piece of code has visibility of a class, it can reference the name of that class and manipulate it. That said, there are a few restrictions on this. Just because … Read more
“please check gdb is codesigned – see taskgated(8)” – How to get gdb installed with homebrew code signed?
This error occurs because OSX implements a pid access policy which requires a digital signature for binaries to access other processes pids. To enable gdb access to other processes, we must first code sign the binary. This signature depends on a particular certificate, which the user must create and register with the system. To create … Read more
stack around the variable…was corrupted
Why did you declare you character buffer a size of 20? More than likely the sprintf placed more characters than that can fit in myChar. Instead, use safer constructs such as std::ostringstream or at the very least, declare you char arrays much bigger than you would expect (not the best way, but would at least … Read more
C++ Swapping Pointers
Inside your swap function, you are just changing the direction of pointers, i.e., change the objects the pointer points to (here, specifically it is the address of the objects p and q). the objects pointed by the pointer are not changed at all. You can use std::swap directly. Or code your swap function like the … Read more