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General C++ Programming - May 2016 (Page 9)

Hello, can someone convert me this python script to c++ script please ? There it's the script, thank you ^^ from math import* import math g = ...

[3 replies] Last: then you have to do it manually: http://www.unco.edu/nhs/mathsci/Clas... (by closed account 48bpfSEw)

by Wu zhen hai

the latest gcc "volatile" keyword(I can not understand)

The C++ standard differs from the C standard in its treatment of volatile objects. It fails to specify what constitutes a volatile access, except to say that C+...

[4 replies] Last: Interesting it's being brought up; the C++ committee was just discussi... (by Cubbi)

by smshsutr

qt automoc error

I have a simple c++ qt program. I get error when I use private slot. Can anyone tell me how to solve this? I am using Qt5.6, cmake on windows with mingw comp...

[1 reply] : That is the header. Where is the implementation? (by keskiverto)

by omidelf

recursive hanoi tower code with condition that we cant move disk from peg 1 to 3

so we have to change this recursive hanoit tower code and add this condition to it : we cant move any disk from peg 0 to peg 2 directly also we can't move any ...

[5 replies] Last: THANKS!!!!!!!! (by omidelf)

by blvlohith

How do I capture and Process each and every frame of an image using CImg library ?

Hi, I'm working on a project based on real time image processing using CImg Library in Raspberrypi. I need to capture images at higher frame rates (say atleast...

[6 replies] Last: Though using a camera is a valid approach, in effect you just want to ... (by Chervil)

by Dark Sorrow

Class not declared in scope

Background : I have creating a serial port based data acquisition project using Win32API and C++. I am going to request data from my embedded device using ser...

[3 replies] Last: The build was succeeded when done on command line. I deleted the proje... (by Dark Sorrow)

by dhaneku b

Data Type Exception Handling

I am writing a program that requires the use of exception handling for user input. The user is required to enter a positive integer. I accounted for the excepti...

[1 reply] : Hi Dhaneku, I'm not sure that cin throws an exception on bad input,... (by Aaron Vienneau)

by Aaron Vienneau

I know this is wrong, but I want to know why it works

So, this code sample creates an automatic variable and pushes it to a vector repeatedly. As this image shows, the same memory address is being pushed to the vec...

[4 replies] Last: Yeah, I think I had a brain fart there, but also a misunderstanding of... (by Aaron Vienneau)

by shad0wblaz3

Need some guidance with a c++ constructor

I have a class Student with name,surname and id number and class Teacher with name, surname and suject. I have to make class School which contains an array of S...

[2 replies] Last: Hello shad0wblaz3, I think I'd be remiss if I didn't mention some not... (by Aaron Vienneau)

by monkeylife752

In need of some help

Thanks for help!

[7 replies] Last: Start a new topic (Forum - General C++ Programming, click on the 'New ... (by JLBorges)

by slavano

Program crashing at run-time in visual studios

Hello, This is for an assignment and I am completely lost. The program compiles in visual studio professional 2015 then when I use the the = operator in Ma...

[3 replies] Last: Particularly while learning C++, if only one compiler is being used, s... (by JLBorges)

by Andrewcen16

object defining within another class?

How would i go about getting the Person person_data in the private section of the second class; Assume i have all the other member functions what bit of code or...

[2 replies] Last: #include <iostream> #include <string> class person { public: ... (by JLBorges)

by Andrewcen16

Class objects

In class PEmployee class private section. I need to define person_data which is from the person class. I am not sure how calling the constructor works in this t...

[2 replies] Last: [quote=SIK]I am not suppose to change anything.I have to make it work ... (by Andrewcen16)

by brad97

Problems Using Static Library

I am attempting to write the code for a console application that uses a static library in another project. In this code I am getting many errors pertaining to i...

[10 replies] Last: Yes, i forgot to add the show function in the for loop to print the da... (by brad97)

by smith32

Insertion sorting & Deleting nodes in singly linked list

So the whole concept is to sort a singly linked list using insertion sort and deleting the nodes in order. The other codes are given, so all I have to do is fil...

[1 reply] : > But mine would be like: funny, your code doesn't compile. void I... (by ne555)

by MultiMedia

Please help

Hello, I have this simple code: #include <iostream> #include <Windows.h> using namespace std; int main() { float x, y; cout << "Enter x coordinate...

[2 replies] Last: You have not adjusted for coordinate systems. - The console ... (by Duthomhas)

by magnifz97

No duplicate numbers in 2d array

Hello everyone. So i'm trying to do a bingo game. I use a function to randomize my numbers inside my array and the number is between the range of the array size...

[4 replies] Last: @hwan97 Here's how you can make each number unique in a 2D array, but... (by whitenite1)

by woshichuanqilz

how to dynamic declare a struct?

Thing is I want to create a struct object according to the content of the file named `config.ini` , *for example :* if the content is : > int a; int b; then t...

[1 reply] : struct test { #include "config.ini" }; (by Peter87)

by MultiMedia

When do we use reinterpret_cast?

I don't understand why I can't wrap my head around this particular type of casting... I know why and when we use static_cast, I know why and when we use const_c...

[1 reply] : reinterpret_cast can be used to convert one pointer type into another ... (by Peter87)

by xdeimos

what is this type of vector mean?

1. vector<int> path(1, 0); this looks weird. how to use this vector? vector<bool> path(true,n)

[1 reply] : vector<int> path(1, 0); creates a vector of integers which is initia... (by Peter87)

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