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c++ Programming Glossary: classWhat is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix and undefined variable or function. Common issues with class type members Template implementations not visible. Symbols were.. used in C code. Incorrectly importing exporting methods classes accross modules. MSVS specific Circular library dependency..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three an object actually means. Let us consider a simple example class person std string name int age public person const std string.. will implicitly declare these member functions for some class types when the program does not explicitly declare them. The.. The implicitly defined copy constructor for a non union class X performs a memberwise copy of its subobjects. n3126.pdf section..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file when instantiating a template the compiler creates a new class with the given template argument. For example template typename.. f When reading this line the compiler will create a new class let's call it FooInt which is equivalent to the following struct.. template declaration in a header file then implement the class in an implementation file for example .tpp and include this..
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 where exactly And should it then assume that inUnion is a class template i.e. inUnion U names a type and not a function Background.. member function non type or could equally well be a nested class or typedef. Dependencies In template declarations some constructs.. can also include qualifiers that say what namespace or class a name should be looked up in. A value dependent expression..
http://stackoverflow.com/questions/1151582/pthread-function-from-a-class Function from a Class Lets say i have a class such as class c ... void print void..
Officially, what is typename for? http://stackoverflow.com/questions/1600936/officially-what-is-typename-for is a type. Consider the following example template class T Class MyClass typename T SubType ptr ... Here typename is used to.. Consider the following example template class T Class MyClass typename T SubType ptr ... Here typename is used to clarify..
c++ call constructor from constructor http://stackoverflow.com/questions/308276/c-call-constructor-from-constructor name Is there a way to do this in c I tried calling the Class name and using the 'this' keyword but both fails. c constructor..
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public members declared as Public are accessible from outside the Class through an object of the class. Protected The members declared.. outside Access is allowed. An Source Code Example class MyClass public int a protected int b private int c int main MyClass.. public int a protected int b private int c int main MyClass obj obj.a 10 Allowed obj.b 20 Not Allowed gives compiler error..
Are std::vector elements guaranteed to be contiguous? http://stackoverflow.com/questions/849168/are-stdvector-elements-guaranteed-to-be-contiguous this as a requirement. From n2798 draft of C 0x 23.2.6 Class template vector vector 1 A vector is a sequence container that..
Can you start a class name with a numeric digit? http://stackoverflow.com/questions/15285787/can-you-start-a-class-name-with-a-numeric-digit For example template class T class 2DArray public 1D ARRAY CLASS class 1DArray public 1DArray Create 1DArray iterator arr array1d_..
What is copy elision and how does it optimize the copy-and-swap idiom? http://stackoverflow.com/questions/2143787/what-is-copy-elision-and-how-does-it-optimize-the-copy-and-swap-idiom to make copies. In theory when you write a line like CLASS c foo The compiler would have to call the copy constructor to.. another example. Let's say you have a function void doit CLASS c If you call it with an actual argument the compiler has to.. so that the original parameter cannot be modified CLASS c1 doit c1 But now consider a different example let's say you..
run threads of class member function in c++ http://stackoverflow.com/questions/4666635/run-threads-of-class-member-function-in-c the title says. The following is my code skeleton. class CLASS public void A private DWORD WINAPI B LPVOID void CLASS A DWORD.. CLASS public void A private DWORD WINAPI B LPVOID void CLASS A DWORD WINAPI CLASS thread LPVOID CLASS B ... CreateThread.. A private DWORD WINAPI B LPVOID void CLASS A DWORD WINAPI CLASS thread LPVOID CLASS B ... CreateThread NULL 0 thread arg 0 NULL..
Why is the output operator 'os << value' and not 'value >> os'? http://stackoverflow.com/questions/7052568/why-is-the-output-operator-os-value-and-not-value-os which can be declared as ostream operator stream os CLASS rc Why is it impossible to declare it as this ostream operator.. is it impossible to declare it as this ostream operator CLASS rc stream os Then I may be able to do something like rc.something.. In fact it's possible to define ostream operator CLASS rc ostream os But then you must chain it like this a b c str..
How to write C++ comments that show up in Intellisense? http://stackoverflow.com/questions/8618571/how-to-write-c-comments-that-show-up-in-intellisense Visual Assist and using doxigen style COMENT OF A CLASS class Foo public brief A foo method. More complete description..
Unique class type Id that is safe and holds across library boundaries http://stackoverflow.com/questions/922442/unique-class-type-id-that-is-safe-and-holds-across-library-boundaries for DERIVED NOT SURE IT WILL BE REALLY UNIQUE FOR EACH CLASS static const int id reinterpret_cast int typeid DERIVED .name.. PLATFORM CROSS VERSION COMPATBLE AS FAR AS YOU KEEP THE CLASS NAME return typeid DERIVED .name int wmain Person person Employee..
Is there a way to initialize an array with non-constant variables? (C++) http://stackoverflow.com/questions/972705/is-there-a-way-to-initialize-an-array-with-non-constant-variables-c variables C I am trying to create a class as such class CLASS public stuff private int x y char array x y Of course it doesn't..
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