General C++ Programming - C++ Forum

I have written a code to traverse a matrix in circular fashion. The code is working fine and shows the output correctly. It's a template class. For all the data...

[11 replies] Last: This code: m_matrix = reinterpret_cast<node**>(new node ); for(... (by jsmith)

by gaisselick

Find specific datas

Hello, i'm working on a program for my thesis, this program is supposed to go trhough a bunch of file and retrieve two sets of numbers each time it finds these ...

[3 replies] Last: string::find() does not return a boolean value. (by PanGalactic)

by jfq722

A little guidance please.....

ok, I have the Express edition of VC++ because the price tag is just right for me! I understand that there is no MFC included with this. I assume that means no ...

[2 replies] Last: 1. No, MFC is... Well, I'm not sure what it is, so I'll just quote Wik... (by helios)

by amanyasin

To convert my code as a header file...

Hi Dear all I implemented chi square test. Now i want to convert this code as .h header file. so, my other colleague can use this very simply as math librar...

[3 replies] Last: ? I'm not sure what your trying to do ? #ifndef _INDEPTEST_H # ... (by closed account S6k9GNh0)

by poolet

my pi problem

hello, I'm a new on c++ an i want your help... here is my problem PI is an irrational number, i.e. it cannot be written as a fraction. It's approximate value ...

[2 replies] Last: Thanks your advice my friend......... i have another code but i don... (by poolet)

by sayerszero

Inheritance

I am really have trouble understanding what I am doing wrong here. I have a child class that inherits protected items so that I can use them in the childs const...

[5 replies] Last: A prime example of something that works (i.e. something that a compile... (by DaveMortimer)

by LeviZhou

new/delete issue

Hi, all I have a issue: void main() { int *pc = NULL; pc = new int(2); int *pa = pc; int *pb = pc; cout << *pa << endl << *pb << endl; ...

[2 replies] Last: Right, excuse the ugliness of the construct below, but as Helios says ... (by jfq722)

by rivera571

I DONT UNDERSTAND THIS!!!! need answers

Here is syntax, everything seems 100% correct and yet it doesn't wanna recognize my objects. Help please: #include <iostream> #include <string> #include <i...

[5 replies] Last: Also - what's with the virtual inheritance? For example - why clas... (by guestgulkan)

by enigmatix

DLL Class Headers

Hey guys, I just have a general question about the standard for exporting classes and members from a DLL. Is it customary to use one header for all the class...

[4 replies] Last: Ok, I got it working that way. I was having errors before which made ... (by enigmatix)

by Leonard

<vectors> vs. arrays

Hi: Thanks for taking time to read my question. I am trying to integrate a C++ code into another compiler that will not allow vectors. I had the programmer c...

[2 replies] Last: if you compare arrays with vector.. you may not find any advantages of... (by writetonsharma)

by amanyasin

Passing multidimensional vector to function

Hi Dear all, i created vector of vector and passed it to function now i want to access its values within function but it display an error error C2679: b...

[2 replies] Last: Thanks, now it is working. (by amanyasin)

by kk84

Converting a single char to integer

Hi all, I have this problem, if let say I have an array of char says txt . How do I convert like txt to an integer?and not as a whole string

[7 replies] Last: so you have array which is storing the numbers... if i am correct.. ... (by writetonsharma)

by daevashiara

Inserting Object into a List

I am writing a program that requires the user to enter information about a car, that information is stored into an object called Carritos, that object is then s...

[5 replies] Last: Why use char when C++ has this perfectly good string type? "perf... (by Disch)

by gobills

Weird issues

#include <cstdlib> #include <iostream> #include <iomanip> #include <fstream> using namespace std; void openFiles(ifstream& inData, ofstream& outData); ...

[4 replies] Last: I'm not sure what you mean by code tags. When I compile it opens up a ... (by gobills)

by Mythios

Any possible way of doing this?

Ok so I want to know if it's possible to make a method like this: MyStruct *a() { //Edit Data in a. return a; } Now it may seem like a dum...

[2 replies] Last: Awesome, I didn't think it was possible but I just wanted to make sure... (by Mythios)

by rajesh msen

visual studio

Hi to everyone I have a source code(with solution file).I compiled it and run it works fine.But i want to know the in and out of the source code....

[6 replies] Last: You are very welcome. Rajesh (by ibama)

by haku776

New projects in Visual C++ 2008 Express

I know how to create new projects and I have used other C++ compilers, but when I create a new project with my Visual C++ (based on other videos that have them)...

[8 replies] Last: I do not get what you mean. Post a link? I'll try GCC, but at the mome... (by haku776)

by firedraco

Weird function pointer problem...

Ok, I have a function pointer defined as such: typedef void (animate::*animate_func_ptr)(std::string); I have a vector of a pair with some of these defi...

[6 replies] Last: Funnily enough, that is what I was looking at for a reference. (by firedraco)

by Judicator01

Issues implementing a skip list (so far just insertion)

I'm having trouble implementing a skip list. It's supposed to store rectangles and order them by a key which is a character array, using strcmp to order them co...

[1 reply] : In the skiplist constructor, do you really want head to have a rando... (by Hammurabi)

by spoodlz

"Supposedly" easy program not working... With no errors

The program is as follows: Write a program that uses four functions to do the following: **USE ALL GLOBAL VARIABLES 1.) Ask the user for his nam...

[5 replies] Last: It is explained in the link I posted earlier: it makes the console win... (by Bazzy)

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General C++ Programming - May 2009 (Page 12)