Beginners - C++ Forum - January 2010 (Page 20)

Hello, i am reading article about pointers. and there is a code like this: #include <stdio.h> #include <iostream> #include <conio.h> void not_alt...

[2 replies] Last: you explained that to me very well. i get it now. thank you. :) (by ripley)

by Pascal666

Loop only executed when I move the mouse/press a key

I have made a simple 2D physics engine with a mainLoop(), only the mainLoop only runs when I move my mouse or press a key. I suppose there is a simple soluti...

[6 replies] Last: I will use peekmessage, thank you both. (by Pascal666)

by arterialnine

webclient.downloadfile/urldownloadtofile()

Im using visual c++ and i have a problem with any function or namespace that has the ability to download somthing.i tried using a system.net namespace but it...

[2 replies] Last: i have no idea it looks like this System::Net im using microsoft vis... (by arterialnine)

by kevin06s

Clear .txt File Without ios::trunc

Hello, I am trying to log my program's average iterations per second, and I made it output to log.txt, but because it is an average, I want it to overwrite the...

[3 replies] Last: I suppose I could just keep track of the average and write it at the e... (by kevin06s)

by assaado

sum of array indecies

I have to write a program that consists of the following: - Function to add up 5 salaries (I should use arrays) - Function to find the maximum salary - Funct...

[4 replies] Last: We are not allowed to use pointers in this assignment, but thanks for ... (by assaado)

by devichandru

install error

hi, i am new to c++... after instalation process while run a pgm i got this error "UNABLE TO OPEN THE FILE "IOSTREAM.H" ".. I DONT KNOW HOW TO CHANGE THE D...

[7 replies] Last: is it just a pointer to an armpit fart, or is the real gaseous thing s... (by BettyBoopTS)

by Vic

isdigit(int c)

Sorry for this, but i am new to c++. I need to check if input is numeric, and was thinking to control this with the following code. int b; cin>>b;...

[1 reply] : isdigit works with characters. If cin >> b fails, the value of 'b' w... (by Bazzy)

by btripp

Using Multiple Languages for one application

What would you have to do in order to use different languages together. Say for some reason I was writing an application and I wanted to use Visual Basic for th...

[5 replies] Last: thanks for the info guys. (by btripp)

by PFDandK

String Manipulation Question

Hello, First of all I'm really if i posted this here, when there is another topic about this. I can't seem to find it, and I'm really desperate to find the a...

[7 replies] Last: I dont understand the 'Duration' factor!.... (by DemienBjarne)

by mozly

unsized array declaration

So I copied a code exactly from the book here is the snipet where the problem is: int main(int nNumberofArgs, char* pszArgs ) { cout << "This program con...

[13 replies] Last: code bloat. How do you figure? std::string functions are likel... (by Disch)

by Pascal666

How do I use a function of another *.cpp file in my main.cpp file.

I have been searching in the tutorials for a while, but couldnt find anything. Basicly I have a form on which I want to draw a circle, but how do I use the d...

[4 replies] Last: Obligatory Link: http://www.cplusplus.com/forum/articles/10627/ (by Disch)

by kanonRai

Rebuild every time i want to debug

I looked but didn't find any topics relating to this but sorry if it already exists. I don't know whether it is something that i am doing wrong but before i ...

[1 reply] : You must compile the program to run it (by Bazzy)

by itzjonno

+= and -=

Can somebody give me a quick explanation on what they mean and how they work? Thanks! PS I have looked around and cant find it!

[7 replies] Last: (I presume that the last five are bitwise?) Correct (by R0mai)

by estri

password using arrays

hellow, can anybody help me to make a code of a password looping using an array....

[1 reply] : Clarify. (by tummychow)

by yoked88

Fraction calculator

My first program implementing functions, reference parameters, abstraction. My main focus here was to keep all variables and calculations out of main. ...

[14 replies] Last: ok thanks. (by blackcoder41)

by closed account jLNv0pDG

float f = 1 / 3

float f = 1 / 3; cout << f; 0 How can I make f = .333? I assume that 1/3 is being calculated/truncated as an int . --- EDIT: How do you get o...

[3 replies] Last: EDIT: How do you get output to line up with code on this board? Y... (by jRaskell)

by giro82

Exception handling /Multiple form application in Builder

Hi, I am writing a application containing one main form Form1 with few standard components on it by witch user input his data. I am trying to make protect...

[1 reply] : I wrote new, small application showing the same problem: #include ... (by giro82)

by BettyBoopTS

Streaming Audio Graphic Equalizer

One of the programs I eventually want to write is a visual representation of the output of streaming audio coming from the sound card. I am early on and have NO...

[9 replies] Last: Thanks Chris!! I just finished downloading and installing Cygwin and d... (by BettyBoopTS)

by snoopy the tiger

wrong code (1,2)

i have this code what is wrong with him /* search_engine.cpp */ #include <iostream> #include <string> using namespace std; void first_screen (int...

[35 replies] Last: Oh ok... (by chrisname)

by anne92

number randomization with bisection

Anybody can help me? this is very imporant to me. I can do randomization from 0 to 80 as the task is saying but i don't know how to put bisection in this. As th...

[4 replies] Last: Duoas is right! I suggest to make your own algorithm first. Use you... (by olredixsis)

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Beginners - January 2010 (Page 20)