General C++ Programming - C++ Forum

How to set a booleon variable to true within a GLfloat array?

Hey all Trying to work out how to set a booleon variable to true within an float/glfloat array any ideas on how to do this. bool test = false; //GU...

[2 replies] Last: right after the last row of values in the array where it says test = t... (by Noobscratcher)

by MathematicsFanatic

Converting an Integer to Binary

I am writing a program that converts any integer into binary. I have provided a working program that outputs the values of an array that stores the necessary on...

[4 replies] Last: There is no 'conversion' here. Just building a string that correspond... (by cire)

by coercedman66

cos, sin and tan

I found the following information sin(x) = x - (x^3)/3! + (x^5)/5! + ... + (-1)^i*(x^(2*i+1))/(2*i+1)! cos(x) = 1 + (x^2)/2! - (x^4)/4! + ... + (-1)^...

[7 replies] Last: By the way, L B, silly programmers would prefer something like this: ... (by Kyon)

by heeroyuy00

SIMPLE TIC TAC TOE

#include<iostream> using namespace std; void display(char b ); void play(char b , char turn); int main(){ int x, y(0); char b ={'1','2','3','4','5',...

[2 replies] Last: I was bored so i took the liberty of doing it for you, quite a fun pro... (by GFreak45)

by LB

The implicit 'this' parameter

struct test { void func() { std::cout << (void*)this << std::endl; } }; int main() { auto f (&test:...

[5 replies] Last: I was just curious. Last question: is it guaranteed to work if I pass... (by LB)

by hades80

Problem with arrays

I made a mistake and I don´t know how to solve it... It´s strange because I don´t know what I did wrong. This is the code. for (i=0;i<=n;i++){ n...

[3 replies] Last: It's these two lines of code (at line 19 and line 32): x =Lx; y =Ly;... (by Torin)

by cshu

help

Im having trouble building my program, I keep getting these errors: Build started: Project: prgm2, Configuration: Debug Win32 ------ 1>Build started 3/29/201...

[4 replies] Last: Dev-C++ is deprecated since a while ! Consider using wxDev-C++ instead... (by Jessy V)

by Multiplex

General Dataset problem (interbase)

Hello, I am trying to get to work a local interbase SELECT-UPDATE connection. The problem is: Componens: IBDatabase with its IBTransaction and a IBDataset(I...

[no replies]

by MoonDragon

2005 link error - already defined in

Hi, When I compile the code below i have the following error message. Thanks in advance. 1>Generating Code... 1>Compiling... 1>SimpleMC.cpp 1>Gener...

[4 replies] Last: Ok, It is fine now. Thanks. (by MoonDragon)

by dominover

Initializing Variables (C++ programming)? (1,2)

I'm struggling to understand why we initialize variables in C++ though I have some idea. Could anyone explain this to me. I have the books and have read the...

[28 replies] Last: There's no "right syntax". Everything boils down to: never use the val... (by Athar)

by Zapeth

Boost.Asio use class with option for SSL

Hi all I have a set up asio SSL socket boost::asio::ssl::stream<boost::asio::ip::tcp::socket> socket_ and the connection to a client that uses SSL works just ...

[no replies]

by closed account 2NywAqkS

Unintended Lines And Boxes

I have a program, using OpenGL, which, simply put, is just a large collection of cuboid however, despite not being in the code, in release mode a random line co...

[2 replies] Last: It was an initialised variable in the cuboid class. I didn't realise t... (by closed account 2NywAqkS)

by Dr Versatility

How do you make a section of this program inaccessible, after being run once?

I am making a 20-question quiz. The previous ones I have made make a question able to be re-accessed after they answer it. Is there a way to make a question, or...

[4 replies] Last: @therockon7throw, Whoops! Forgot line 7. (by Stewbond)

by closed account 937X92yv

Adding a Form Icon - An Unhandled Exception.

Hi guys, I am writing a CLI program with multiple forms. I am trying to put an icon in the top left corner by changing the value in the 'Icon' setting in the...

[1 reply] : Best if you post @ the MSDN forums. Almost nobody here knows C++/CLI. (by webJose)

by hades80

problems with a array

this is my code: for (i=0;i<=n;i++){ nodx = Lx/((n-1)*2)+Lx/(n-1)*(i-1);} nodx =0; nodx =Lx; for (j=0;j<=m;j++){ nody = Ly/((m-1)*2)+Ly/...

[no replies]

by drew99

Problem with multidimensional vector

My problem is this: in the main function declare a vector cubic in three dimensions. int cubic ; After processing user input, I have to pass the ve...

[4 replies] Last: Why after allocating dynamically the vector three-dimensional cubic, I... (by drew99)

by tofiffe

Connecting to MySQL

I'm creating a console based game, with account login to a MySQL database(at least I'd like to to it) so what would be a simple way to achieve that? I've g...

[15 replies] Last: I use GNU under Ubuntu and MinG under Vista. I did this under Ubuntu r... (by BHX)

by ayanda83

WHATS THE DIFFERENCE BETWEEN C AND C++?

Hi there, i'm studying C++ at Varsity. I just want to know what the difference is between C and C++.

[5 replies] Last: @Moschops i think i understand. thank you very much. much appreciated. (by ayanda83)

by phillyman1025

Many undefined references

So I am getting undefined references timer.H #ifndef _timer_H_ // include file only once #define _timer_H_ /*---------------------------...

[8 replies] Last: Thanks cire! That was it! Forgot to do that (by phillyman1025)

by morando

Data members layout in memory

Suppose i have a struct with data members of same type: struct foo { int a; int b; int c; // is this safe? operator int* () ...

[4 replies] Last: Ok. Thanks. (by morando)

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General C++ Programming - March 2012 (Page 4)