c++ Programming Glossary: pointer
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.. its members but copying the name member merely copies a pointer not the character array it points to This has several unpleasant.. observed via b . Once b is destroyed a.name is a dangling pointer. If a is destroyed deleting the dangling pointer yields undefined..
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.. the unary prefix dereference operator and the binary infix pointer member access operator class my_ptr value_type operator const..
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.. other. sizeof T n is equivalent to n sizeof T . Array to pointer decay The only connection between T n and T m is that both types..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords as a declaration and semantically it will declare f as a pointer variable . However if it's a non type it will be parsed as an..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope method stuff is pushed onto the stack. If you then pass a pointer to the stack back out of your method as the original poster.. your method as the original poster does here that's just a pointer to the middle of some entirely valid million byte memory block...
Pointer vs. Reference http://stackoverflow.com/questions/114180/pointer-vs-reference vs. Reference What would be better practice when giving a function..
How to convert std::string to LPCSTR? http://stackoverflow.com/questions/1200188/how-to-convert-stdstring-to-lpcstr str.c_str gives you a const char which is an LPCSTR Long Pointer to Constant STRing means that it's a 32 bit pointer to a 0 terminated..
C++ Using Class Method as a Function Pointer Type http://stackoverflow.com/questions/1738313/c-using-class-method-as-a-function-pointer-type Using Class Method as a Function Pointer Type In a C lib there is a function waiting a function pointer..
Pointer declarations in C++: placement of the asterisk http://stackoverflow.com/questions/180401/pointer-declarations-in-c-placement-of-the-asterisk declarations in C placement of the asterisk I've recently decided..
Where can I learn more about C++0x? [closed] http://stackoverflow.com/questions/200237/where-can-i-learn-more-about-c0x
How do you properly use WideCharToMultiByte http://stackoverflow.com/questions/215963/how-do-you-properly-use-widechartomultibyte VS.85 .aspx I'm stuck on this parameter lpMultiByteStr out Pointer to a buffer that receives the converted string. I'm not quite..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab undefined behavior c faq share improve this question Pointer Dereferencing a NULL pointer Dereferencing a pointer returned..
Spiral rule and 'declaration follows usage' for parsing C expressions http://stackoverflow.com/questions/3707096/spiral-rule-and-declaration-follows-usage-for-parsing-c-expressions unary so a N is equivalent to a N not a N . char Z Z ~ a N Pointer to function returning pointer to function returning char . char..
What techniques can be used to speed up C++ compilation times? http://stackoverflow.com/questions/373142/what-techniques-can-be-used-to-speed-up-c-compilation-times at the pimpl idiom here and here . Also known as an Opaque Pointer or Handle. Not only does it speed up compilation it also increases..
what is the purpose and return type of the __builtin_offsetof operator? http://stackoverflow.com/questions/400116/what-is-the-purpose-and-return-type-of-the-builtin-offsetof-operator operator in Symbian in C In addition what does it return Pointer Number of bytes c symbian share improve this question It's..
C++ Objects: When should I use pointer or reference http://stackoverflow.com/questions/4288030/c-objects-when-should-i-use-pointer-or-reference questions. Neither of these questions answered my doubts Pointer vs. Reference http stackoverflow.com questions 3224155 c difference..
Operator overloading http://stackoverflow.com/questions/4421706/operator-overloading Arithmetic Operators Array Subscription Operators for Pointer like Types Conversion Operators Overloading new and delete .. return a copy instead of a const reference. Operators for Pointer like Types For defining your own iterators or smart pointers..
Pointer to local variable http://stackoverflow.com/questions/4570366/pointer-to-local-variable to local variable May I have any acces to local variable in..
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.. the other and you should familiarize yourself with both. Pointer arithmetic Given a pointer p to the first element of an array..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available C Smart Pointer Implementations are available Comparisons Pros Cons and When.. allocation on the stack consider boost array instead. Qt QPointer Introduced in Qt 4.0 this is a weak smart pointer which only.. Qt people consider this deprecated I believe. QSharedDataPointer This is a strong smart pointer potentially comparable to boost..
When should I use typedef in C++? http://stackoverflow.com/questions/516237/when-should-i-use-typedef-in-c used outside of library development. Simplifying Function Pointer Types typedef is helpful for giving a short sharp alias to complicated..
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.. p x int q y int pp p pp q pp q pp 4 assert y 4 assert x 0 Pointer can be assigned NULL directly whereas reference cannot. If you.. 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..
C++: Pointer to class data member http://stackoverflow.com/questions/670734/c-pointer-to-class-data-member Pointer to class data member I came across this strange code snippet.. off hand of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures but..
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