Why Use Pointers in C? - Stack Overflow
Apr 3, 2015 · I'm still wondering why in C you can't simply set something to be another thing using plain variables. A variable itself is a pointer to data, is it not? So why make pointers point to the …
Pointers in C: when to use the ampersand and the asterisk?
When dealing with functions and pointers, the rule to remember is: if you want to change the value of an argument and have it reflected in the calling code, you must pass a pointer to the thing …
c++ - Why use pointers? - Stack Overflow
Oct 2, 2008 · If you use straight C, the need for pointers is much more obvious: there's no other way to do call-by-reference, it's the best way to store a string, it's the best way to iterate …
Why should I use a pointer rather than the object itself?
Mar 3, 2014 · See the Pimpl idiom. You need to interface with a C library or a C-style library. At this point, you're forced to use raw pointers. The best thing you can do is make sure you only …
How do function pointers in C work? - Stack Overflow
You can use function pointers as a way to delegate some task or functionality. The classic example in C is the comparison delegate function pointer used with the Standard C library …
Is there pointer in C# like C++? Is it safe? - Stack Overflow
Feb 25, 2010 · Is there pointer in C# too? Yes, declared using the syntax int* varName;. Is using of that safe? No pointers are not safe. There are safe ways to construct a data structure …
When to use pointers, and when not to use them - Stack Overflow
Feb 23, 2015 · My question is, when to use them, and when not?. Currently, in many cases i'm asking myself, should I use a pointer here or just pass the variable itself to the function. For …
When to use pointers in C#/.NET? - Stack Overflow
Jan 28, 2014 · I know C# gives the programmer the ability to access, use pointers in an unsafe context. But When is this needed? At what circumstances, using pointers becomes inevitable? …
pointers - Arrow operator (->) usage in C - Stack Overflow
Apr 4, 2010 · Note that C++ smart pointers have their own methods (like use_count() for shared_ptrs), so there it is necessary to distinguish between calling a method on the pointer …
When should I use pointers instead of references in API-design?
I understand the syntax and general semantics of pointers versus references, but how should I decide when it is more-or-less appropriate to use references or pointers in an API? Naturally …