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General C++ Programming - March 2016 (Page 8)

Hi There, i need some help with OpenGL offscreen-rendering. I have a simple test-program, rendering a textured cube to a textture, which is used for a cube aga...

[3 replies] Last: No worries, glad you got it sorted. With regards to the libraries, yo... (by MrHutch)

by aliyesami

merging programs

hi ! I have two programs prog1 and prog2 , there are features in prog1 I want to use in prog2 , whats the best way of doing this ? if you look at the code the m...

[1 reply] : whats the best way of doing this ? It depends on your needs. A good w... (by coder777)

by rajhansk

can't differentiate between Bool and int when overloading function

I read something like this "can't differentiate between Bool and int when overloading function" can anyone tell me this with an example ?

[4 replies] Last: @peter87, Thanks (by rajhansk)

by paul1004

Squelettisation image

Bonjour j'ai besoin d'un programme en c++ sous visual studio qui permet de réaliser la squelettisation d'une image pour ensuite la sauvegarder. J'espère que ...

[2 replies] Last: Bonjour, je pense que pour la squelettisation des images, il te faut u... (by chae)

by blahhh

if statement help???

I am making a game in C++ and I have an option so they can exit the game on the main menu. I am very new to C++ and I cant get this if statement to work proper...

[1 reply] : = and == are two different things. (by Moschops)

by glady001

Help with code

Hello Everyone, program in total adds the number of calories multiplied by number of donuts which is wrong, I'm trying to make it display the total number of ...

[1 reply] : total.quantity=quantity*D.quantity; // Why are you multiplying? tot... (by AbstractionAnon)

by DragonflyBeach

Exponentials

I'm aware of how to do incremental patterns and there's lots of tutorials on that already, but this multiple-like function I cannot figure out. Would apprecia...

[6 replies] Last: @DragonflyBeach So the back function returns the print to for (int r... (by DragonflyBeach)

by xan97der

C++ Written Homework

I received a homework assignment that asked the following: Write a program called country.cpp to read a text file that contains the names and sizes of countr...

[6 replies] Last: Please use code tags when posting code. Highlight the code and click t... (by dhayden)

by red101

check balanced parentheses

Hi! I am trying to figure out how to check if the parentheses in a file have matches. However if it is inside double quotes and // comment slash it is not count...

[7 replies] Last: I would do it like that: #include <iostream> #include <string> #incl... (by Thomas1965)

by ZiMuFeng

the problem with multi inherited struct's memory-layout on linux

At the beginning, my problem is here: http://www.cplusplus.com/forum/general/187028/ But now, I found something newly; (And like preview problem, I will t...

[2 replies] Last: What make this result? Perhaps a more important question: Why are ... (by TheIdeasMan)

by ZiMuFeng

the difference memory size of struct between linux and windows

I code a struct on window and linux, but i got the different sizeof() and memory address, could any one tell the reason? code: #include "stdio.h" stru...

[3 replies] Last: I found something newly, and create a new topic: http://www.cplusplus... (by ZiMuFeng)

by castiglee

Need some help with looping

I'm trying to get the user to input scores from 0 to 100 and then find the maximum and minimum and average of the scores. I know I have to loop, but I'm not ...

[1 reply] : Hi, one approach is that you store all the values entered by the user... (by Mathes)

by ekincaid2002

help with making lines of a file its own array

This what i have so far im not sure exactly how to make the getline send the line to the array . i dont want to display the array just be able to search the ar...

[3 replies] Last: while (!myfile.eof()) { getline(myfile, line); string s... (by Moschops)

by DragonOsman

Stroustrup's PPP2 std_lib_facilities.h corresponding .cpp file help needed

As the title says, I need help creating a corresponding .cpp file to go with the library access header for Stroustrup's PPP2 book, std_lib_facilities.h. The de...

[4 replies] Last: Alright, got it. Thanks for the replies, guys. (by DragonOsman)

by gedamial

Clarification about dynamic allocation of a pointer-to-pointer

Hello. I've this code: int** matrix = new int* ; *matrix = new int ; matrix = 4; I don't understand this very well. Matrix is a pointer to an array ...

[7 replies] Last: Instantiating a Matrix object does not ensure that member functions wh... (by cire)

by istemihan

OpenMP: ideal way to use a shared vector

I need to write a prime number generator function with multi-thread. Here is my code below: #include <stdio.h> #include<array> #include<vector> #include <om...

[no replies]

by nz881

Counting the number of words from a text file in C++.

Hi there, I am trying to write a simple program where the number of words are counted from a text file.The program below reads the file correctly and then displ...

[5 replies] Last: @S G H thank you so much. What you said about getline was the main rea... (by nz881)

by IWishIKnew

wxWidgets event propagation

I'd like to set some hotkeys for my program that can be raised no matter what object has focus within a wxPanel. Unfortunately, when I connect the event to the...

[3 replies] Last: I'm facing a new problem now. I am switching panels in a wxSimplebook... (by IWishIKnew)

by jeffbiss1

Casting int to char: need reference

I'm using Bjarne Stroustrup's "Programming: Priciples and Practice Using C++" and have run into a problem in the Drill Exercise for Chapter 4. Step 1 has the r...

[2 replies] Last: cire, Thank you very much for that information. I couldn't find anyth... (by jeffbiss1)

by Mastaron

Need help with a programming contest exercise

Hi everybody, I signed up for a contest, and I'm practicing, but now i'm a little blocked with this. The Problem: There is a game with an N*N matrix, ever...

[4 replies] Last: You can avoid deleting the neighbors' neighbors by changing lines 15-2... (by dhayden)

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