c++
Implementation of the division function. C / C++.
Tell me the algorithm of the division function in C++ or C.
Implementation of the exponentiation function. C / C++
Tell me the best algorithm for implementing the exponentiation function (pow).
Windows x64 and x86 Registry
What is the difference between the registry in Windows x64 and Windows x86? I am registering a 32-bit component in Windows 7 x64. After registration, it is not possible to call it, and the registration is successful.
Arrays and inheritance in c++
I'm studying c++, I ran into a problem. There is an Animals class. It has two derived classes Cat and Dog. How to make an arr ... t;name = "";
}
};
int main()
{
Animals anm[10];
anm[0]=Cat();
anm[1]=Dog();
std::cout<<anm[1].age;
}
Cancel HttpSendRequest in WinInet
I omitted part of the code for readability, but the essence, I think, is clear. I call the page loading via WinInet, I hang t ... );
except
On E: Exception do
Result:= AnsiString('Ошибка! ' + E.ClassName + ': ' + E.Message);
end;
end;
end.
How to connect the [muParser] library to Qt?
I will need to connect the muParser library (GitHub) to Qt Creator.
The problem is that I don't fully understand how to do ... that on another device it can be compiled from the project without additional installations (well, that is, from Qt Creator).
IDE for C and C++
The answers to this question were written by the joint efforts of the community. To improve this message, edit the existing r ... choice of IDE, I suggest in this topic to analyze what IDEs exist for C and C++. What is the advantage of one over the other.
How to translate milliseconds into normal time for understanding
I write a small player using QMediaPlayer. There is a signal that is triggered every 1000 milliseconds.
I'm wondering, is it ... time like 2:23 (2 minutes twenty-three seconds), or do I need to make 2 widgets; one for minutes and the second for seconds?
Array of classes in C++
Good day, dear experts. I just got on the warpath with my ignorance of C++, so please be lenient if the question is stupid. ... erly organize an array of classes. If it is possible a tiny example would be..)
Thank you in advance for your good advice )
C++, OpenGL-Merging texture color with shape color
I wrote the texture code on OpenGL, when I show the texture separately, everything goes well, and when I draw another shape t ... ite.getPoint(3);
glEnd();
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glPopMatrix();
How to fix it?
How to view values from std::vector in the Visual Studio 2019 debugger?
There is the simplest code:
#include <iostream>
#include <vector>
int main()
{
std::vector<int> v {0, ... , and how do I make it display useful information to me, and not the details of the internal implementation of the container?
QT C++ Creating an ISO image
There was a task to create a simple program for creating ISO images from a CD in C++. However, in the wilds of the Internet, ... orking with disks
libcdio
But I didn't find any examples of creating images or sane descriptions.
Tell me which way to dig?
Binary search, or rather return c++, does not work
I wrote a binary search algorithm, why does return work incorrectly?
If you make a void function with the output of the respo ... ) {
cin >> numbers[i];
}
cin >> find;
cout << binarySearch(find, numbers, 0, n - 1);
}
Calculating the average, maximum, and minimum age in c++
I don't understand what the error is.
Outputs:
struct StatisticVisitors
{
public:
string surename[255];
};
void Stat ... erageAge;
cout << "\nold: " << maximumAge;
cout << "\nyong: " << minimumAge << "\n";
}
Floyd's algorithm, distance matrix output
I implemented Floyd's algorithm, but I wondered how to make, in addition to the output of the shortest path matrix,
also the ... kol; j++) {
cout << mas[i][j] << " ";
}
cout << endl;
}
return 0;
You need to output N pairs of twin primes
I generally understand the question itself, but I can't understand how to implement it in C++.
As I understand it: for(N=n; N ... ystem("pause");
return 0;
}
By the way, it is not working because I did not understand how to implement this or that...
Combine python (gui) and C++
I have a program that works with files, everything is ready except for the interface, I could easily finish it in C++, but th ... is running out. Is it possible to make an interface in Python, and functions in C++? Well, somehow from Python to call them?
C++vectors don't work
I'm working on a 2D game in SFMl c++. but I think it is not important.
There is a World class. It has a string type vector ( ... the code, I specified a possible string due to which occurs error
ATTENTION! the error is not the build, but the execution!
Displaying an array of structures on the screen as a table
Data storage must be organized as an array
structures. The program must implement the following functions:
Creating a new r ... can't display an array of structures on the screen as a table.
I have already prescribed the functions, but it does not work.
Classes vs. Structures
Should I use structures in my C++ codes? I understand the structures are remnants of the C language. On the one hand, structures are easier to write and use than classes, but they undermine the principles of OOP.