I\'m making a game engine in C++. It is supposed to read all its game-level l开发者_C百科ogic from XML files, so I\'m in need of a simple, but rock solid way of creating and handling events. So far al
So I\'ve read a lot of related posts on SO and elsewhere such as: Is the sizeof(some pointer) always equal to four?
I would like to pass a pointer by reference to a function, such that i can actually change the address the passed pointer is pointing to and i\'d like to assign this argument a default value.
If I\'m using Objective-C, here\'s how I declare an initialize an int: int a = 1; vs an object: myObj *a = [[myObj alloc] init];
could anyone explain (by giving appropiate link for example) what does pointer alignment in c++ 开发者_StackOverflow社区means?
I have created a function to flip a square 2d array horizontally, so the first row is moved to the last, the second row is moved to the second from the last and so on.
I have general question regarding the use of pointers vs. references in this particular scenario. Let\'s say that I have a function that is going to do some computation and store the value inside an
I know this is wrong and gcc will give you a warning about it, but why does it work (i.e. the numbers are printed correctly, with some rounding difference)?
This question is in C++. I am 开发者_JAVA技巧trying to dynamically allocate an array of pointers to objects.
This question already has answers here: Why does the foreach statement not change the element value? (6 answers)
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