General C++ Programming - C++ Forum

by LucasArroyo

convert program

Can anyone teach me how to convert my code using class. #include <stdio.h> #include <iostream> #in...

[3 replies] Last: Shouldn't the inner loop increment up to width ? (by doug4)

by stav17

compiling error

I am writing a program trying to convert distance measurements to meters. using c++. error: Undef...

[1 reply] : I think it's just saying that your program does not have a main() func... (by Peter87)

by Mark657

int to int

Hey guys. I'm having a problem compiling my code. I'll post my code now. #include <iostream> #inc...

[7 replies] Last: Fixed: arrays have to have a size at compile time. won't do. it see... (by jonnin)

by nolecelson

Need help with error messages "LNK2019"

Here is my code: #include "stdafx.h" #include <iostream> #include <cctype> #include <cstdlib> #...

[3 replies] Last: And if you didn't find the cause of the 2nd link error: displayString... (by deleted account xyzzy)

by LucasArroyo

class BoxOfProduce c++

Your Community Supported Agriculture (CSA) farm delivers a box of fresh fruits and vegetables to you...

[3 replies] Last: Line 15: How many strings do you think you're allocating? Why is Box... (by AbstractionAnon)

by Mamadujuma

OOP WITH C++

Write two overloaded functions that return the average of an array with the following headers: int ...

[3 replies] Last: roughly, for a vector average: for (auto n : a) avg+= n; avg/=a.size(... (by jonnin)

by chrisben

How can I pass value through a specialized template class?

Here is my problem I have an existing no-template class A, currently being used by many places. I w...

[11 replies] Last: Thank you very much, JLBorges. (by chrisben)

by Mandolor

Help with some structures/for loops

I am working on a program to make a small library of the ten books I have chosen. With this program ...

[2 replies] Last: string name; cin >> name; That is formatted input that skips prefix ... (by keskiverto)

by Halken

Roman Numbers

I have written the following code, however, I am having issues passing part 1. #include <string> ...

[1 reply] : > I've been asked to complete the following class questions. And now ... (by salem c)

by ccaudle

Help with converting tolower string

Im a beginner c++ programer and I'm trying to use an array but cannot figure out how to get it to wo...

[1 reply] : This is a “prove you have been paying attention in class and reading... (by Duthomhas)

by stav

Templated NonCopyable Singleton class ?

Hi i have the following code: template <typename T> class Singleton { public: static T& GetI...

[3 replies] Last: [quote=stav] i get an error on line 7 I apologize for adding a post i... (by Enoizat)

by Deamer

I have python code, I want to chang it to C++. How to di it?

img = cv2.imread(image_path) h, w, _ = img.shape mser = cv2.MSER_create(_min_area=100,...

[4 replies] Last: boxes = boxes[boxes[:, 2] > 10] boxes = boxes[boxes[:, 3] > 10] boxe... (by ne555)

by altbrian

FailCheck a Char.

So I'm trying to write a fail check for a char data type so that in case a user inputs a word then i...

[4 replies] Last: all 3 ideas behave slightly differently. I was going off the idea tha... (by jonnin)

by plexus

Using strings in switch statement

Hi, I recently had this idea of how to use strings directly in a switch statement without too muc...

[8 replies] Last: To solve your specific problem, take the easy way: an if..else if sequ... (by Duthomhas)

by alexandrap98

Going blank after input

Currently my program will close after I input my racer's names and time.I was wondering if anyone co...

[4 replies] Last: or, in beginner speak, conditions are explicit. the compiler does no... (by jonnin)

by williamTi

virtual function

Hi, I am learning Virtual function in c++. I read Virtual function is member function that is used ...

[2 replies] Last: how run time polymorphism(i.e;one name multiple forms) is achieved th... (by keskiverto)

by imthemilkman

not sure where the error is

#include <stdio.h> #include <iostream> #include <string> #include <sstream> #include <fstream> using...

[4 replies] Last: Does this version give you the same errors? #include <fstream> #incl... (by Enoizat)

by CABrouwers

Generic function pointer type

I am developing a class that needs to store a call back function. So it needs to include a pointer t...

[2 replies] Last: class Thing { std::function<void()> callback; public: void setCallb... (by Peter87)

by Starries

Creating a class book

Hi, everyone I am working on this question. Booker University maintains an inventory of books. The ...

[2 replies] Last: Line 4 should not have a ; Line 8: author and title only hold a sing... (by AbstractionAnon)

by CABrouwers

Absatrct class destructors : why ?

If I understand well an abstract class needs to have an explicitly defined destructor, correct? At ...

[1 reply] : If I understand well an abstract class needs to have an explicitly de... (by Peter87)

General C++ Programming - March 2019 (Page 2)

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