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c++ Programming Glossary: parentFinding current executable's path without /proc/self/exe http://stackoverflow.com/questions/1023306/finding-current-executables-path-without-proc-self-exe and it could be set to anything or be left over from a parent process which did not change it before executing your program...
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
http://stackoverflow.com/questions/2491707/memory-management-in-qt that is you initialise all newly created QObject s with a parent QObject parent new QObject QObject child new QObject parent.. all newly created QObject s with a parent QObject parent new QObject QObject child new QObject parent then it is enough.. QObject parent new QObject QObject child new QObject parent then it is enough to delete the parent because the parent s..
Why should I avoid multiple inheritance in C++? http://stackoverflow.com/questions/406081/why-should-i-avoid-multiple-inheritance-in-c How much maintainers were paying for that because in C the parent class A was present twice in its grandchild class D and thus.. twice in its grandchild class D and thus updating one parent field A field meant either updating them twice through B field.. you should keep the hiearchy as a Tree a node has ONE parent not as a graph. 3. Interfaces Multiple inheritance of zero or..
Guaranteed lifetime of temporary in C++? http://stackoverflow.com/questions/584824/guaranteed-lifetime-of-temporary-in-c as long as there's a reference to it does this apply to parent objects when there's a reference to a member variable Thanks...
Accessing inherited variable from templated parent class http://stackoverflow.com/questions/605497/accessing-inherited-variable-from-templated-parent-class inherited variable from templated parent class Consider the following code template class T class Foo..
Which kind of pointer do I use when? http://stackoverflow.com/questions/8706192/which-kind-of-pointer-do-i-use-when in a shared_ptr and use a weak_ptr you can test if the parent shared_ptr is alive with lock which will return a shared_ptr..
What is the closest thing windows has to fork()? http://stackoverflow.com/questions/985281/what-is-the-closest-thing-windows-has-to-fork early flavors of UNIX. The first thing that happens when a parent process forks a child process is that the parent initializes.. when a parent process forks a child process is that the parent initializes a space in the Cygwin process table for the child... child process using the Win32 CreateProcess call. Next the parent process calls setjmp to save its own context and sets a pointer..
Are members of a C++ struct initialized to 0 by default? http://stackoverflow.com/questions/1069621/are-members-of-a-c-struct-initialized-to-0-by-default at unspecified values. Note that it is recursive struct Parent Snapshot s Parent p receives no initialization Parent p value.. values. Note that it is recursive struct Parent Snapshot s Parent p receives no initialization Parent p value initializes all.. Parent Snapshot s Parent p receives no initialization Parent p value initializes all members The second will make p.s. x..
Why should I use the “using” keyword to access my base class method? http://stackoverflow.com/questions/1896830/why-should-i-use-the-using-keyword-to-access-my-base-class-method ' . It seems to not see the method void action char of the Parent class in the Son class. Why the compiler behave this way Or.. behave this way Or have I done something wrong class Parent public virtual void action const char how this action how virtual.. how virtual void action const char how 0 class Son public Parent public using Parent action Why should i write this line void..
Initialize parent's protected members with initialization list (C++) http://stackoverflow.com/questions/2290733/initialize-parents-protected-members-with-initialization-list-c would be nice if I didn't have to. Some sample code class Parent protected std string something class Child public Parent private.. Parent protected std string something class Child public Parent private Child something Hello World When I try this the compiler.. the base class to forward it along. Something like class Parent protected Parent const std string& something something something..
How do you declare an interface in C++? http://stackoverflow.com/questions/318064/how-do-you-declare-an-interface-in-c public virtual ~IDemo virtual void OverrideMe 0 class Parent public virtual ~Parent class Child public Parent public IDemo.. virtual void OverrideMe 0 class Parent public virtual ~Parent class Child public Parent public IDemo public virtual void OverrideMe.. 0 class Parent public virtual ~Parent class Child public Parent public IDemo public virtual void OverrideMe do stuff You don't..
Can I have polymorphic containers with value semantics in C++? http://stackoverflow.com/questions/41045/can-i-have-polymorphic-containers-with-value-semantics-in-c example below. #include iostream using namespace std class Parent public Parent parent_mem 1 virtual void write cout Parent parent_mem.. #include iostream using namespace std class Parent public Parent parent_mem 1 virtual void write cout Parent parent_mem endl.. Parent public Parent parent_mem 1 virtual void write cout Parent parent_mem endl int parent_mem class Child public Parent public..
Calling virtual method in base class constructor http://stackoverflow.com/questions/448258/calling-virtual-method-in-base-class-constructor If you have a class such as public class Child Parent private int foo 10 protected override void ShowFoo Console.WriteLine.. override void ShowFoo Console.WriteLine foo where the Parent constructor calls ShowFoo in C# it will display 10. The equivalent..
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