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by: Robert W. |
last post by:
I've just been reading all about the Singleton class and understand how to
implement and use it but I cannot understand why one NEEDS to use it instead
of just declaring a class and implementing Public Static variables therein.
My usage revolves around global access to Reference Data. Some examples:
- Countries, States-Provinces, Cities,...
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by: Paul Bromley |
last post by:
Forgive my ignorance on this one as I am trying to use a Singleton class. I
need to use this to have one instance of my Class running and I think I
understand how to do this. My question however is can a singleton class have
a number of paramterised constructors enabling me to pass in parameters or
not?
I am trying to use the following to...
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by: Marcel Hug |
last post by:
Hallo NG !
I Have a little question about inheritance of a singleton class.
In my application i have a Database-Connection Lib, in which I would ¨like
to connect different databases of the same project (thats why it is in a
lib).
For the database A I created a singleton class AProxy and for the database B
the same as BProxy. Initializing and...
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by: Rich |
last post by:
The following code produced a singleton object with application scope
when it should have had page scope:
public class Singleton
{
private static Singleton uniqueInstance = null;
private Singleton()
{
}
public static Singleton getInstance()
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by: baba |
last post by:
Hi all,
I'm quite new to C#.
I am trying to implement some basics reusable classes using this language
and the .NET Framework technology.
What I'm trying to do now is to implement a singleton class.
I did have a look at the Microsoft "Patterns and Practices" article
"Implementing Singleton in C#"...
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by: ying.gary.zhang |
last post by:
// T.h:
class T
{
public:
static T* instance();
private:
T() {}
~T() {}
static T* smInstance;
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by: mma |
last post by:
hello everyone,
i have a solution that contains the following project types:
1. Class library
contains a singleton class that handles the data access (sql
server 2005).
2. Windows service.
uses the Class library's singleton class to manipulate data in
the data base server.
3. Windows application.
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by: toton |
last post by:
Hi,
If I have a singleton class based on dynamic initialization (with new
) , is it considered a memory leak? Anything in C++ standard says about
it ?
And little off - topic question ,
If the singleton is initialized as a static variable , it seems
there is some threading issue . Is it the issue during singleton
initialization only , or...
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by: d.adamkiewicz |
last post by:
Hello Folks
Anybody can show me real world singleton class example?
Something that works (is implemented) as part of working solution.
Does it make sense to create database handler class that way?
Regards
Darek
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by: =?Utf-8?B?ZGF2ZWJ5dGhlc2Vh?= |
last post by:
Hi,
I have created a Singleton class to provide some database functionality in
my mobile application. I have a public class called Utility which performs
various operations on data. Is it ok to use the utility class in my Singleton
class? Here is some code to hopefully make it clearer what i want to do -
namespace MyApp
{
class...
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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...
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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. ...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then...
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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...
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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: 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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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...
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