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I have a friend class B of my class A,
Is it possible that B's ancesstor can also access A's functionality or this friendship is only between A and B strictly
No, friendship is not inherited. In future I suggest you try such things out before posting a question.
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I am trying to go through C++ inheritance and I have a problem with my code. I have the base class Caine and CaineCuPete derived from it. I get an error when I declare the derived class constructor.
CaineCuPete(int nPete) : Caine(cNume,cHeight,cWeight,cAge,cColor);
Error:
cNume was not declared in its scope. cHeight was not declared in its
scope. ...
You need to take these as input parameters in your derived class constructor.
CaineCuPete(int nPete, string cNume, double cHeight,
double cWeight, double cAge, int cColor ) : Caine(cNume,cHeight,cWeight,cAge,cColor),
Pete ( nPete )
{
}
This link explains:
http://www.learncpp.com/cpp-tutorial/114-constructors-and-initialization-of-derived-classes/
You should define your variables cNume,cHeight,cWeight,cAge,cColor before the first use. A common problem is that they are defined after the point of use, not before.
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Is there a way to store an Objective-C class instance inside of a C++ class as a member?
You need to make a .mm file, and then you can use the features outlined here. See also a reference to Apple's old documentation on the hybrid language.
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I am new in Perl, but i need to know how to get variable contain specific path normalized for windows.
Thanks,
MaMd0u7
http://perldoc.perl.org/File/Spec.html
use File::Spec::Win32
my $dir = File::Spec::Win32->catfile('directory','tree','file.html');
print $dir;
output: directory\tree\file.html
any use?
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This is from a CPP Source File:
class classname{
//constructor
classname(anotherclass *ptr);
private:
string firstname;
string lastname;
};
classname::classname(anotherclass *ptr): firstname("Nathan"), lastname("Narcovy"){
//some other definitions
}
I come from C, but I do know a bit of Object Oriented Language,
But I don't understand classname:string,string . I only remember a colon : was used for inheritance.
This is actually how the initializer list works for constructor.
I've found this tutorial which seems to explain it decently for newcomer.
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Is there a way to drop packets with libiptc c++?,i want a sample code for drop packet with libiptc in c++.
for this you should write a driver.
for example you can use main_hook function.