General C++ Programming - C++ Forum

by larry burns

creating array with size determined by user input?

So in MATLAB, I can create a matrix with a size determined by the user input, such as below: T=inp...

[8 replies] Last: If I'm not mistaken, the n and t in Abramus and webJose's suggestions ... (by helasraizam)

by Zap

Structure as part of a class?

can you have a structure as part of a class? inside my class i am working with two parallel arrays...

[2 replies] Last: ok thanks! (by Zap)

by desoxena

small problem in OpenGL

So I've run into this problem when trying to make things in openGl, quite constantly; the problem is...

[2 replies] Last: Call at your display function. What interface are you using? (glut, SF... (by ne555)

by jackel7777

copy constructor (1,2)

Lets say you have an abstract class of such: class vehicle { //abstract class }; class car:vehicl...

[28 replies] Last: in the contructor... 'this' is the object being constructed. so if yo... (by Disch)

by Kady

Array

I am in a C++ programming class, but I am completely lost when it comes to compiling and executing p...

[1 reply] : Please make only one thread: http://www.cplusplus.com/forum/beginner/4... (by LB)

by dstark125

Hi! First C++ Program. Trying to get it to work.

Hi guys. This is my first c++ homework assignment. I am familiar with c, but am having a hard time g...

[3 replies] Last: You define a function the same way as always. But in this case you may... (by LB)

by closed account zb0S216C

Visual C++ Express's Unhelpful Error Message

#include <iostream> using std::cout; using std::cin; using std::endl; int main( ) { ...

[10 replies] Last: Tried it in MINGW compiler and it is happy with both int **Pointer( ... (by guestgulkan)

by yoyeen

your own software in C++ with Qt

hi. anyone who has built his own software using C++ with Qt? One that you did on your own, not in a ...

[13 replies] Last: On that site it states that for the LGPL version of QT you must provid... (by closed account 1yR4jE8b)

by Jennifer

Parallel vectors (may be) (1,2)

a

[25 replies] Last: http://www.cplusplus.com/forum/general/41941/ Seems similar enough to... (by LB)

by keithzhou

loop only execute once

hi, i wrote the main() for testing my game, but the while only execute once, it should keep looping ...

[3 replies] Last: i just delete the line 73, but shows in infinitely loop how can i fix... (by keithzhou)

by keithzhou

got problem with my code

hi, I'm writing a Card war Game. but i got problem when i try to compile the main function. Here ...

[4 replies] Last: i just try that. but still infinitely loop. (by keithzhou)

by sawmebabe

Vowel Guessing game

Basically what i have here is a guessing game that allows a user to input a number and letter. Its p...

[1 reply] : The first step to solving a problem is having readable code. I have fo... (by LB)

by Natelew

dll question

I searched the forum trying to find an answer that might alleviate a post, but didn't find one that ...

[no replies]

by RDJ

Read in char from string

HI, I am trying to read in each individual character from a text file using the fstream library. I ...

[7 replies] Last: Thank you for all of your help. I will try your recommendation of mak... (by RDJ)

by mareshka

A Question about gui

Hello. I am a beginner of programming, i have programmed a program using "win32 project" and i need ...

[1 reply] : I think that "windows form application" is using NET. I found that thi... (by savavampir)

by aelalaily

Shortest path approach

Hi, I am developing an application that finds the shortest path between 2 nodes on a graph. The p...

[3 replies] Last: [quote=williaml]a network with 100 nodes has a high chance of being NP... (by naraku9333)

by mobin92

User Defined Array Size

I can't seem to get right is the procedure to get a value for array size from user. Any help?

[1 reply] : Use a vector http://www.cplusplus.com/reference/stl/vector/ (by Bazzy)

by IQarius

Interface based programming in C++

I am having problems with interface based programming. I have recently found out that stl containers...

[no replies]

by closed account zwA4jE8b

simple lexxer problem

Hey guys, This program works just fine as long as the source code uses spaces to separate the state...

[4 replies] Last: You are posting too much code for someone to help you. Try to determi... (by abellia)

by derata

calculate the entropy using the binary tree

Hi, I programmed a program to calculate the entropy. So far I have done reading test.txt from the co...

[no replies]

General C++ Programming - April 2011 (Page 2)

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