c++ Programming Glossary: pointers
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c how to pass objects to functions in C . Do I need to pass pointers references or non pointer and non reference values I remember.. could also explain where to use each of those options. c pointers pass by reference pass by value c faq share improve this question..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom but swaps in general can be more efficient it merely swaps pointers and sizes rather than allocating and copying entire arrays...
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used a lot of experience using the cast operators to convert pointers of one type to another. I am familiar with the risks and benefits.. how does one decide which one to use in a specific case c pointers casting c faq share improve this question static_cast is..
What is The Rule of Three? http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three such thing as std string and programmers were in love with pointers. The person class might have looked like this class person char..
Operator overloading http://stackoverflow.com/questions/4421706/operator-overloading like Types For defining your own iterators or smart pointers you have to overload the unary prefix dereference operator and..
How do I use arrays in C++? http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c parameter passing multidimensional arrays and arrays of pointers common pitfalls when using arrays If you feel something important.. to get read by those who came up with the idea. c arrays pointers multidimensional array c faq share improve this question .. the array. Pointers are extremely stupid . Arrays are not pointers The compiler will silently generate a pointer to the first element..
When to use forward declaration? http://stackoverflow.com/questions/553682/when-to-use-forward-declaration f1 X X f2 Define functions or methods which accept return pointers references to the incomplete type but without using its members..
What are the differences between pointer variable and reference variable in C++? http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c can't take the address of a reference like you can with pointers There's no reference arithmetics but you can take the address.. references but every C compiler implements references as pointers. That is a declaration such as int ri i allocates the same amount.. and return types to define attractive interfaces. Use pointers to implement algorithms and data structures. Interesting read..
Examples of when a bitwise swap() is a bad idea? http://stackoverflow.com/questions/11638271/examples-of-when-a-bitwise-swap-is-a-bad-idea factors . EDIT Possible problems with this approach Pointers back to self directly or indirectly If the class contains any..
function passed as template argument http://stackoverflow.com/questions/1174169/function-passed-as-template-argument struct add3 void operator int v v 3 ... doOperation add3 Pointers to a web link or two or a page in the C Templates book would..
What is the difference between NULL, '\0' and 0 http://stackoverflow.com/questions/1296843/what-is-the-difference-between-null-0-and-0 c c pointers null share improve this question Null Pointers The integer constant literal 0 has different meanings depending..
C++ Vector of Pointers to Objects http://stackoverflow.com/questions/1361139/c-vector-of-pointers-to-objects Vector of Pointers to Objects I'm using a vector of pointers to objects. These..
Why use pointers? [closed] http://stackoverflow.com/questions/162941/why-use-pointers use pointers over normal variables Short answer is Don't. Pointers are to be used where you can't use anything else. It is either..
How to implement serialization in C++ http://stackoverflow.com/questions/1809670/how-to-implement-serialization-in-c required key std map K CreateObjectFunc mObjectCreator Pointers to this function are inserted into the map and called when creating..
When to pass by reference and when to pass by pointer in C++? http://stackoverflow.com/questions/3613065/when-to-pass-by-reference-and-when-to-pass-by-pointer-in-c value except it doesn't require a copy constructor call. Pointers are useful in that they have a guaranteed invalid value you..
Pointers, smart pointers or shared pointers? http://stackoverflow.com/questions/417481/pointers-smart-pointers-or-shared-pointers smart pointers or shared pointers I am programming with normal..
Does std::list::remove method call destructor of each removed element? http://stackoverflow.com/questions/4260464/does-stdlistremove-method-call-destructor-of-each-removed-element that is the case when the pointer variable is destroyed Pointers can also point to static and automatic variables and deleting..
Virtual functions and performance - C++ http://stackoverflow.com/questions/449827/virtual-functions-and-performance-c talks about virtual functions and more is Member Function Pointers and the Fastest Possible C Delegates . share improve this answer..
How do I use arrays in C++? http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c the pointer points to relative to the bounds of the array. Pointers are extremely stupid . Arrays are not pointers The compiler..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome scenarios. c c pointers share improve this question Pointers is a concept that for many can be confusing at first in particular..
What are the differences between pointer variable and reference variable in C++? http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c read My alltime favorite C FQA lite References vs. Pointers An Introduction to References References and const c pointers.. can contain NULL. int p NULL int r NULL compiling error Pointers can iterate over an array you can use to go to the next item.. user @litb Const references can be bound to temporaries. Pointers cannot not without some indirection const int x int 12 legal..
C++: When to use References vs. Pointers http://stackoverflow.com/questions/7058339/c-when-to-use-references-vs-pointers When to use References vs. Pointers I understand the syntax and general semantics of pointers versus..
Why are references not reseatable in C++ http://stackoverflow.com/questions/728233/why-are-references-not-reseatable-in-c They always point to the same object. They can not be 0. Pointers are the opposite They can point to different objects. They can..
Smart Pointers: Or who owns you baby? [closed] http://stackoverflow.com/questions/94227/smart-pointers-or-who-owns-you-baby Pointers Or who owns you baby closed C is all about memory ownership.. examples. Thus I recommend always using well tested Smart Pointers from a library rather than rolling your own. std auto_ptr or..
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