Multiple Inheritance in PHP

Multiple Inheritance in PHP

I'm looking for a good, clean way to go around the fact that PHP5 still doesn't support multiple inheritance. Here's the class hierarchy: Message-- TextMessage-------- InvitationTextMessage…


Is it possible to subclass a C struct in C++ and use pointers to the struct in C code?

Is there a side effect in doing this: C code: struct foo{int k;}; int ret_foo(const struct foo* f){ return f.k;}C++ code: class bar:public foo{int my_bar(){return…


Multiple Inheritance in C#

Since multiple inheritance is bad(it makes the source more complicated) C# does not provide such a pattern directly. But sometimes it would be helpful to have this ability. For instance I'm able to i…



Best way to break from nested loops in Javascript?

What's the best way to break from nested loops in Javascript?//Write the links to the page. for(var x=0; x<Args.length; x++){for(var Heading in Navigation.Headings){for(var Ite…


How to make a DataGridViewComboBoxColumn expand the dropdown to the left?

I've got a DataGridViewCobmoboxColumn that has to be on the far right side of the screen. The items in the cell are wider that the cell width, so the dropdown list is also wider than the cell, so the…


C++ Multiple Virtual Inheritance vs. COM

The net is overflowing with explanations of the "dreaded diamond problem". So is StackOverflow. I think I understand that bit, but I fail to translate that knowledge into comprehending something sim…


Diamond inheritance(C++)

I know that having diamond inheritance is considered bad practice. However, I have 2 cases in which I feel that diamond inheritance could fit very nicely. I want to ask, would you recommend me to use…


Question on multiple inheritance, virtual base classes, and object size in C++

The following code prints 20, i.e. sizeof(z) is 20.#include<iostream.h> class Base{public: int a;}; class X:virtual public Base{public: int x;}; class Y:…


Default constructors and inheritance in Java

I have a question about default constructors and inheritance in Java. Generally, if you write a class and do not include any constructor, Java provides automatically for you a default constructor(on…


Can the Diamond Problem be really solved?

A typical problem in OO programming is the diamond problem. I have parent class A with two sub-classes B and C. A has an abstract method, B and C implement it. Now I have a sub-class D, that inherits…




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