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c++ Programming Glossary: returningSizeof array passed as parameter http://stackoverflow.com/questions/1328223/sizeof-array-passed-as-parameter parameter any parameter of type array of T or function returning T is adjusted to be pointer to T or pointer to function returning.. T is adjusted to be pointer to T or pointer to function returning T respectively.... To explain the syntax Check for right left..
Most vexing parse: why doesn't A a(()); work? http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work parameter it's actually a declaration of a function a returning an A taking a pointer to a function which returns B and itself..
How come a non-const reference cannot bind to a temporary object? http://stackoverflow.com/questions/1565600/how-come-a-non-const-reference-cannot-bind-to-a-temporary-object you care it's a temporary you are modifying Why is getx returning temporary anyway If you share with us your real scenario and..
What is the name of this operator: “-->”? http://stackoverflow.com/questions/1642028/what-is-the-name-of-this-operator and . Your condition code is decrementing x while returning x s original not decremented value and then comparing the original..
How to parse a string to an int in C++? http://stackoverflow.com/questions/194465/how-to-parse-a-string-to-an-int-in-c int Robust and clear error handling is a plus instead of returning zero . c parsing share improve this question In the new..
What should main() return in C and C++? http://stackoverflow.com/questions/204476/what-should-main-return-in-c-and-c left without a return value at which point it defaults to returning 0. This is also true with a C99 program. Whether return 0 should..
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c fine by reference. C 11's move semantics make passing and returning by value much more attractive even for complex objects. Rules..
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds bugs in the BIOS or drivers may result in these routines returning different values as the thread moves from one processor to another.....
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 literal during preprocessing Function and Template Not returning a value from a value returning function directly or by flowing.. Function and Template Not returning a value from a value returning function directly or by flowing off from a try block Multiple..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c that Well the return type is std string so it means we're returning by value. This means that we copy str and actually return the.. of copying it. Therefore we might come up with idea of returning by reference or by pointer. std string foo std string str Do.. str return str Unfortunately this code doesn't work. We're returning a pointer to str but str was created on the stack so we be deleted..
http://stackoverflow.com/questions/4421706/operator-overloading while operator returns a copy of its result. Of course returning a reference is usually more efficient than returning a copy.. returning a reference is usually more efficient than returning a copy but in the case of operator there is no way around the..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c to x but it could just as well be the result of a function returning a pointer or any other expression of type T . Indexing operator..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new obj default initalized B obj declares a function named obj returning an object of type B would be illegal . Hence in C 03 the above..
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 the rules. For further reading What if C# did allow returning references Coincidentally that is the subject of today's blog..
Differences between dynamic memory and “ordinary” memory http://stackoverflow.com/questions/1021138/differences-between-dynamic-memory-and-ordinary-memory just can't easily do without dynamic memory allocation. Returning an array int main int argc char argv int intarray create_array..
Returning a const reference to an object instead of a copy http://stackoverflow.com/questions/134731/returning-a-const-reference-to-an-object-instead-of-a-copy a const reference to an object instead of a copy Whilst refactoring..
Returning const reference to local variable from a function http://stackoverflow.com/questions/1465851/returning-const-reference-to-local-variable-from-a-function const reference to local variable from a function I have some..
Reduce flicker with GDI+ and C++ http://stackoverflow.com/questions/197948/reduce-flicker-with-gdi-and-c by preventing drawing after your WM_PAINT method . Returning NULL for OnCtlColor this shouldn't actually do anything .....
How to easily map c++ enums to strings http://stackoverflow.com/questions/207976/how-to-easily-map-c-enums-to-strings typename T key_type const typename T value_type const . Returning this from operator allows the chaining of operator like operator..
Returning object from function http://stackoverflow.com/questions/2616107/returning-object-from-function object from function I am really confused now on how and which..
Returning the address of local or temporary variable [duplicate] http://stackoverflow.com/questions/2744264/returning-the-address-of-local-or-temporary-variable the address of local or temporary variable duplicate This question.. return c share improve this question You got lucky. Returning from the function doesn't immediately wipe the stack frame you..
Returning multiple values from a C++ function http://stackoverflow.com/questions/321068/returning-multiple-values-from-a-c-function multiple values from a C function Is there a preferred way..
When to return a pointer, scalar and reference in C++? http://stackoverflow.com/questions/3431484/when-to-return-a-pointer-scalar-and-reference-in-c I'm left with two options Return a pointer Return a scalar Returning a pointer would look like this MyType MyClass getSomeAttribute..
C++ Returning multidimension array from function http://stackoverflow.com/questions/3716595/c-returning-multidimension-array-from-function Returning multidimension array from function How do I return a multidimensional..
Returning unique_ptr from functions http://stackoverflow.com/questions/4316727/returning-unique-ptr-from-functions unique_ptr from functions unique_ptr T does not allow copy..
Why do we need to use `int main` and not `void main` in C++? http://stackoverflow.com/questions/449851/why-do-we-need-to-use-int-main-and-not-void-main-in-c integer returned from a process after it has finished. Returning a value from main provides one way for the programmer to specify..
C++ Returning reference to local variable http://stackoverflow.com/questions/4643713/c-returning-reference-to-local-variable Returning reference to local variable Is the following code func1 correct..
http://stackoverflow.com/questions/4726768/returning-functions functions I wonder if it's possible to write a function that..
Why doesn't C++ support functions returning arrays? http://stackoverflow.com/questions/5157439/why-doesnt-c-support-functions-returning-arrays collecting on such a large scale like other OOPL's. Returning an array from one of the template classes works because well..
C/C++ Free alternative to Lint? [closed] http://stackoverflow.com/questions/632057/c-c-free-alternative-to-lint division result may be wrong Unusual pointer arithmetic Returning pointer to local array variable Same iterator is used with two..
return reference to local variable [duplicate] http://stackoverflow.com/questions/6689030/return-reference-to-local-variable share improve this question Yes you got lucky. Returning reference to local variable is Undefined Behavior . Undefined..
Returning Large Objects in Functions http://stackoverflow.com/questions/753312/returning-large-objects-in-functions Large Objects in Functions Compare the following two pieces..
When to use shared_ptr and when to use raw pointers? http://stackoverflow.com/questions/7657718/when-to-use-shared-ptr-and-when-to-use-raw-pointers The caller can assign it to a std shared_ptr if she wants. Returning std shared_ptr is actually quite rare and when it makes sense.. the object which was originally maintaining the resource. Returning shared pointers from factories is no exception you must do this..
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