inheritance

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Resolving of vptr

class base { public: virtual void fn(){} }; class der : public base {}; I know that compiler provides a member call VPTR inclass which is initialised with th开发者_StackOverflow社区e exact VTABLE a[详细]

2023-04-09 10:44 分类：问答
Inheritance... C++ syntax

I have to make a trivial class that has a few subclasses and one of those subclasses has it\'s own sublcass.[详细]

2023-04-09 08:32 分类：问答
PostgreSQL delete fails with ON DELETE rule on inherited table

In my PostgreSQL 9.1 database I\'ve defined RULEs that delete rows from child tables whenever a parent table row is deleted. This all worked OK, until I introduced inheritance. If the parent (referenc[详细]

2023-04-09 03:42 分类：问答
Rails model inheritance & routing

class User < ActiveRecord::Base has_many :queued_workouts, :conditions => \"queue_position IS NOT NULL\",[详细]

2023-04-09 02:49 分类：问答
Embarrassing Inheritance Question

Situation: - I have a third party control that inherits from System.Windows.Controls.ItemsCon开发者_运维技巧trol[详细]

2023-04-09 01:23 分类：问答
Linking problem when derived class calls a template function in base class

I have a class Base in base.h, which has a template function class Base { template <typename T> void test(T a);[详细]

2023-04-08 23:40 分类：问答
Inheritance and method scope in Java

In the following example pseudocode: public class MyPanel extends JPanel { public void reset() { this.clear();[详细]

2023-04-08 23:15 分类：问答
MVC file locations and function locations. PHP Zend

I just got a job where i would be working with MVC and they knew i didn\'t know it but would help me learn. I am fairly conf开发者_JAVA百科ident with my PHP or i was until now and had some questions a[详细]

2023-04-08 23:14 分类：问答
OpenGL object creation

Right now, I\'m modelling some sort of little OpenGL library to fool around with graphic programming etc. Therefore, I\'m using classes to wrap around specific OpenGL function calls like texture creat[详细]

2023-04-08 22:35 分类：问答
Change C object instance to Python subclass

Is it possible to change a class of a C object to a python subclass? I am using PyGTK, and I have a ListModel that I have wrapped my own class around, but I want to turn it into a TreeModelFilter. Th[详细]

2023-04-08 22:17 分类：问答