by: Uwe Mayer |
last post by:
Hi,
I've been looking into ways of creating singleton objects. With Python2.3 I
usually used a module-level variable and a factory function to implement
singleton objects.
With Python2.4 I...
|
by: Tim Clacy |
last post by:
Is there such a thing as a Singleton template that actually saves
programming effort?
Is it possible to actually use a template to make an arbitrary class a
singleton without having to:
a)...
|
by: E. Robert Tisdale |
last post by:
Could somebody please help me with the definition of a singleton?
> cat singleton.cc
class {
private:
// representation
int A;
int B;
public:
//functions
|
by: Jim Strathmeyer |
last post by:
So I'm trying to implement a singleton template class, but I'm getting a
confusing 'undefined reference' when it tries to link. Here's the code
and g++'s output. Any help?
// singleton.h
...
|
by: Alicia Roberts |
last post by:
Hello everyone, I have been researching the Singleton Pattern. Since the
singleton pattern uses a private constructor which in turn reduces
extendability, if you make the Singleton Polymorphic...
|
by: Pelle Beckman |
last post by:
Hi,
I've done some progress in writing a rather simple
singleton template.
However, I need a smart way to pass constructor arguments
via the template.
I've been suggested reading "Modern C++...
|
by: Preets |
last post by:
Can anyone explain to me the exact use of private constructors in c++ ?
|
by: tobias.sturn |
last post by:
Hi!
I have written this template for making a singleton:
#define DECLARE_SINGLETON(classname) \
private: \
static classname* m_pThis; \
classname(); \
class Guard \
{ \
public: \
|
by: weaknessforcats |
last post by:
Design Pattern: The Singleton
Overview
Use the Singleton Design Pattern when you want to have only one instance of a class. This single instance must have a single global point of access. That...
|
by: stevewilliams2004 |
last post by:
I am attempting to create a singleton, and was wondering if someone
could give me a sanity check on the design - does it accomplish my
constraints, and/or am I over complicating things. My design...
|
by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
|
by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
|
by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
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...
|
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,...
|
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