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by: todd smith |
last post by:
If i have the following class hierarchy:
class Base :
{
virtual void foo();
};
class Derived : public Base
{
void foo();
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by: William Payne |
last post by:
Hello, consider the following two classes (parent and child):
#ifndef SINGLETON_HPP
#define SINGLETON_HPP
#include <cstddef> /* NULL */
template <typename T>
class Singleton
{
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by: Eric |
last post by:
I have a template class that instantiates a variable of the template
parameter type as follows:
template <class T>
struct TemplateClass
{
T t;
};
struct TestClass
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by: Naresh Agarwal |
last post by:
Hi
Class B
{
public :
virtual void foo()
{
// some impl
}
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by: François Côté |
last post by:
I'm generating a TLB from one of my assemblies that contains an interface
declaration. The class that implements this interface is in another assembly.
I import this tlb in my C++ code to create instances of my C# classes. The
problem I have is that I need to specify the class in my CoCreate call in C++.
If I try to generate a TLB for the assembly that does contains the class and
interface implementation, I end up with a circular...
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by: sherifffruitfly |
last post by:
Hi,
I've got a dtd for my xml file according to which, for example, 0 or
more <componentelements are permitted. I'd like to take any xml file
conforming to this dtd, and deserialize it into a programmatic object.
My experience with the deserialization method is limited to classes
with *fixed* numbers of member data variables - and that number is
known ahead of time in the class definition.
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by: pkirk25 |
last post by:
Hi,
I want to create a class with its definition in cls.h and
implementation in cls.cpp I get errors about redfinitions and errors
wahtever way I try to initialise the static proivate variable
*log_file.
// cls.h:
class logger
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by: Steven W. Orr |
last post by:
This is all an intro learning experience for me, so please feel free to
explain why what I'm trying to do is not a good idea.
In the Cookbook, they have a recipe for how to create global constants.
-----------------
class _const:
class ConstError(TypeError): pass
def __setattr__(self,name,value):
if self.__dict__.has_key(name):
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by: D_a_n_i_e_l |
last post by:
Is it possible to split a class definition over two files?
Thanks.
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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