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by: DanielBradley |
last post by:
Hello all,
I have recently been porting code from Linux to cygwin and came across
a problem with static const class members (discussed below). I am
seeking to determine whether I am programming non-standard C++ or if the
problem lies elsewhere.
To summarize static const class members are not being accessed properly
when accessed from a DLL by another external object file (not within the
DLL). It only occurs when the static const...
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by: Steven T. Hatton |
last post by:
Sorry about the big code dump. I tried to get it down to the minimum
required to demonstrate the problem. Although this is all done with GNU, I
believe the problem I'm having may be more general. Someone on the SuSE
programming mailing list suggested my problem is that I'm trying to execute
a function (I assume he meant the constructor) at compile time. The same
source code compile if I don't try to split it up into separate libraries.
...
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by: Jonas Cord |
last post by:
Hi, I'm trying to learn proxy classes in C++ so I've written the
following code, trying to modify an example given in Deitel & Deitel's
C++ book.
I am trying to "hide" details of the original class (employee.h)
through a proxy class (employeeproxy.h).
What am I doing wrong? Please help... I will be grateful forever.
employee.h
----------
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by: Not Available |
last post by:
On the host server:
namespace JCart.Common
public class JCartConfiguration : IConfigurationSectionHandler
private static String dbConnectionString;
public static String ConnectionString
{
get
{
return dbConnectionString;
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by: mast2as |
last post by:
Hi guys
Here's the class I try to compile (see below). By itself when I have a
test.cc file for example that creates an object which is an instance of
the class SpectralProfile, it compiles fine.
1 / Now If I move the getSpectrumAtDistance( const T &dist ) method
definition in SpectralProfofile.cc let's say the compiler says
core/profile.cc:199: error: `kNumBins' was not declared in this scope
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by: Gary Wessle |
last post by:
Hi
how can I initialize a const char* myarr in a class constructor?
class Myclass {
const char* myarr = { "abc", "def" };
....
};
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by: Bern McCarty |
last post by:
I have a simple ref class in its own namespace that needs to coexist with
a legacy typedef alias for "unsigned int" in the global namespace that has
the identifier as itself. Everything compiles fine with the old MEC++ syntax,
but I cannot figure out how to write the code so that it will compile in
C++/CLI. Can someone tell me how? Here is the code in both syntaxes:
// This MEC++ code compiles just fine with VC8 using cl -c...
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by: David Sanders |
last post by:
Hi,
As part of a simulation program, I have several different model
classes, ModelAA, ModelBB, etc., which are all derived from the class
BasicModel by inheritance.
model to use, for example if the parameter model_name is "aa", then
choose ModelAA.
Currently I do this as follows:
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by: Per Bull Holmen |
last post by:
Hey
Im new to c++, so bear with me. I'm used to other OO languages, where it
is possible to have class-level initialization functions, that
initialize the CLASS rather than an instance of it. Like, for instance
the Objective-C method:
+(void)initialize
Which has the following characteristics: It is guaranteed to be run
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by: alan |
last post by:
Hello world, I'm wondering if it's possible to implement some sort of
class/object that can perform mapping from class types to strings?
I will know the class type at compile time, like so:
const char *s = string_mapper<thetype>();
However I do not know the string to be associated with the type at
compile time, and will need a way to set up the mapping, to be created
at run time, possibly like so:
void foo(char*...
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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...
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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 most users, this new feature is actually very convenient. If you want to control the update process,...
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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: 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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