c++ Programming Glossary: childWhen should you use 'friend' in C++? http://stackoverflow.com/questions/17434/when-should-you-use-friend-in-c statement. For example in the below code anyone may ask a child for their name but only the mother and the child may change.. may ask a child for their name but only the mother and the child may change the name. You can take this simple example further..
http://stackoverflow.com/questions/2491707/memory-management-in-qt QObject s with a parent QObject parent new QObject QObject child new QObject parent then it is enough to delete the parent because.. the parent s destructor will take care of destroying child . It does this by issuing signals so it is safe even when you.. this by issuing signals so it is safe even when you delete child manually before the parent. You could also delete the child..
http://stackoverflow.com/questions/347358/inheriting-constructors inherited. They are called implicitly or explicitly by the child constructor. The compiler creates a default constructor one..
C++: How to call a parent class function from derived class function? http://stackoverflow.com/questions/357307/c-how-to-call-a-parent-class-function-from-derived-class-function example I have a class called parent and a class called child which is derived from parent. Within each class there is a print.. class there is a print function. In the definition of the child's print function I would like to make a call to the parents..
What is the closest thing windows has to fork()? http://stackoverflow.com/questions/985281/what-is-the-closest-thing-windows-has-to-fork The first thing that happens when a parent process forks a child process is that the parent initializes a space in the Cygwin.. initializes a space in the Cygwin process table for the child. It then creates a suspended child process using the Win32 CreateProcess.. process table for the child. It then creates a suspended child process using the Win32 CreateProcess call. Next the parent..
When should you use 'friend' in C++? http://stackoverflow.com/questions/17434/when-should-you-use-friend-in-c needed by a related class such as a WindowManager. class Child friend class Mother public string name void protected void setName..
Initialize parent's protected members with initialization list (C++) http://stackoverflow.com/questions/2290733/initialize-parents-protected-members-with-initialization-list-c code class Parent protected std string something class Child public Parent private Child something Hello World When I try.. std string something class Child public Parent private Child something Hello World When I try this the compiler tells me.. Hello World When I try this the compiler tells me class 'Child' does not have any field named 'something' . Is something like..
Conversion of pointer-to-pointer between derived and base classes? http://stackoverflow.com/questions/2532422/conversion-of-pointer-to-pointer-between-derived-and-base-classes Regarding the following C program class Base class Child public Base int main Normal using child as base is allowed.. Base int main Normal using child as base is allowed Child c new Child Base b c Double pointers apparently can't use Child.. main Normal using child as base is allowed Child c new Child Base b c Double pointers apparently can't use Child as Base..
How do you declare an interface in C++? http://stackoverflow.com/questions/318064/how-do-you-declare-an-interface-in-c OverrideMe 0 class Parent public virtual ~Parent class Child public Parent public IDemo public virtual void OverrideMe do..
Calling virtual method in base class constructor http://stackoverflow.com/questions/448258/calling-virtual-method-in-base-class-constructor base class will call the virtual method to load the state. ChildObject o new ChildObject definition In the second method the.. the virtual method to load the state. ChildObject o new ChildObject definition In the second method the consumer will have.. will have to create the object and then load the state ChildObject o new ChildObject o.LoadState definition c# java c oop..
Difference between private, public, and protected inheritance in C++ http://stackoverflow.com/questions/860339/difference-between-private-public-and-protected-inheritance-in-c inheritance. Let's consider a class Base and a class Child that inherits from Base. If the inheritance is public everything.. inheritance is public everything that is aware of Base and Child is also aware that Child inherits from Base. If the inheritance.. that is aware of Base and Child is also aware that Child inherits from Base. If the inheritance is protected only Child..
Difference between association, aggregation and composition http://stackoverflow.com/questions/885937/difference-between-association-aggregation-and-composition a 筂eath relationship. It is a strong type of Aggregation. Child object dose not have their lifecycle and if parent object deletes..
C++ Undefined Reference to vtable and inheritance http://stackoverflow.com/questions/9406580/c-undefined-reference-to-vtable-and-inheritance class A public virtual ~A virtual void doWork #endif File Child.h #ifndef CHILD_H_ #define CHILD_H_ #include A.h class Child.. #ifndef CHILD_H_ #define CHILD_H_ #include A.h class Child public A private int x y public Child ~Child void doWork #endif.. #include A.h class Child public A private int x y public Child ~Child void doWork #endif And Child.cpp #include Child.h Child..
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