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by: Medi Montaseri |
last post by:
Hi,
Given a collection of similar but not exact entities (or products)
Toyota, Ford, Buick, etc; I am contemplating using the Abstraction pattern
to provide a common interface to these products. So I shall have an
Abstract Base called 'Car' implemented by Toyota, Ford, and Buick.
Further I'd like to enable to client to say
Car *factory;
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by: Ryan Mitchley |
last post by:
Hi all
I have code for an object factory, heavily based on an article by Jim Hyslop
(although I've made minor modifications). The factory was working fine using
g++, but since switching to the Intel compiler it has stopped working. I
think the singleton pattern static instance thing may be at the root of the
problem, but I'm not sure. I had to add calls to instance() in regCreateFn,
which gets the behaviour more in line with what I was...
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by: Eric |
last post by:
Perhaps this question has been posed before (I'd be surprised if it
hasn't) but I just gotta know...
Is it possible to combine the Singleton and Factory Method design
patterns in the same class?
Let's start with your basic Singleton class:
class Singleton
{
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by: Chris Croughton |
last post by:
What do people call their factory functions? 'new' is not an option
(yes, it can be overloaded but has to return void*).
The context is:
class MyClass
{
public:
// Factory functions
static MyClass* new(int);
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by: Dave |
last post by:
Hello all,
Please see my question embedded in comment form below.
Thanks,
Dave
#include <iostream>
#include <boost/shared_ptr.hpp>
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by: deko |
last post by:
Which layer should a Factory class go in?
DA - Data Access
BL - Business Logic
UI - User Interface
??
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by: Nindi |
last post by:
5 Files
Singleton.h The Singleton
Factory.h The factory creating new objects. The
Base class of the hierachy stores a typelist
identifying the signature of the constructors to
be called in the hierachy by the Factory
StaticFactory Returning refernences to a static object .. typelist
as above.
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by: googlegroups |
last post by:
Hi,
I need to parse a binary file produced by an embedded system, whose
content consists in a set of events laid-out like this:
<event 1<data 1<event 2<data 2... <event n<data n>
Every "event" is a single byte in size, and it indicates how long is
the associated "data". Thus, to parse all events in the file, I need to
take it like a stream and read one event at a time, consuming bytes
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by: Redlance |
last post by:
Following a factory reset on HP Pavillion 6616ea i realised that i had lost all photos from recent, never to be repeated, Disney trip with kids. both the kids & i are absolutely gutted! apart from giving pc world £100, is there a reliable way of getting these back? Deleted from cam when transfered, doh! any help will be very much appreciated.
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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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...
|
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: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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