General C++ Programming - C++ Forum - August 2010 (Page 10)

#include "stdafx.h" #include <iostream> #include <iomanip> #include <cmath> using namespace std; int _tmain(int argc, _TCHAR* argv ) { double V,W,X,...

[2 replies] Last: Thanks! (by agwing)

by SnakeJam

Run another Program From Mine

Is there a way to run another program from instruction of another? Basically, I want my program to run a different program the same way as if I were to use win...

[2 replies] Last: Thanks for the reply. It works great! (by SnakeJam)

by declan

Problem with program stalling with wait4() in gdb

Hey guys. I have program that generally runs for a while. I want to make sure it works with lots of different initial values, so I've created another program th...

[4 replies] Last: Hmmmm, ok. Best bet is to put it in a loop in my main program rather t... (by declan)

by jzone3

Open program on different computer

Why am I not able to open a .exec on a different mac? I even tried sending the other computer the whole folder with the project.

[no replies]

by jzone3

comparison is always false due to limited range of data type

When i use this code: #include <iostream> #include <math.h> #include <stdio.h>*/ using namespace std; int main () { double a; double c; char...

[7 replies] Last: o i did not notice that that was in scientific notation (by jzone3)

by si828

Com Communication

Hi guys, Just need a little help with talking to a Com port. Am using Visual C++ (fairly new to it done a fair bit of C though.). The code: ...

[6 replies] Last: In serial communication, the problem is not always in your code. Th... (by bartoli)

by quirkyusername

dirty rectangles

I'm trying to implement dirty rectangles in a game I'm making in directx. For those who don't know, this means that when the background is drawn, not all of it ...

[2 replies] Last: Yeah the GPU does the drawing I just wanted to do this because I've ne... (by quirkyusername)

by akramlive

Updating files

Hello my dear friends. Any one please help me //this is my file 01 Fish_Roll 100 02 Plain_Tea 101 03 Flour 158 04 ...

[3 replies] Last: can you post what you have done in the code ? (by bluecoder)

by onako

"make" and library

My current c++ application is compiled by calling "make", and invoked by calling "./fileName.bin". Now, I want to add the functionality of cairo library into t...

[1 reply] : This is the content of my Makefile: STXXL_ROOT ?= /home/lapt... (by onako)

by denis90

Dumping font tables from VGA bios

Hi there, I need to dump the font tables from my VGA card. I don't think this will be possible from a windows context (the OS won't allow me to access addre...

[2 replies] Last: Yes I did, but maybe with the wrong keywords. Thanks kbw, that was ... (by denis90)

by gdppoquiz

how to search for a word match in a string array

so here's my code: #include <iostream> #include <string> using namespace std; int main() { string firstarray = {"one", "two", "three"}; string...

[3 replies] Last: #include<iostream> #include<string> using namespace std; main(){... (by pyschoder)

by Yuri

VS C++ Project with mysql++ (Unicode)

Hello dear all. i have a project running with mysql database, all was fine till the moment when i was have to take the UTF-8 values from my database, the ...

[no replies]

by gdppoquiz

dictionary program (fstream)

i am not new to c++ and have been using it for quite a while now but there is this problem that i never solved and it goes like this: there is this dictionary t...

[3 replies] Last: Well the easiest thing would be putting all the data of the file into ... (by Skillless)

by jammas615

implementing naviagtion between functions

hi guys, currently i have a calculator that has different functions, i have already made a function that points to other function based on the 'values' in a st...

[no replies]

by Fworg64

WTF does my function not work?

Heres the funtion:: int y =(int) ((spot-1) / 3); now the function seems to work fine it's when i try to draw it that it fails heres an I/O table s...

[5 replies] Last: It has to do with how 2D arrays are actually stored linearly in memory... (by Disch)

by EEVIAC

where will c++ be when nano technology kicks in ?

I've just enrolled in a certificate program for computer programming at a community college. Structured and Object oriented programming in C and C++ are covered...

[4 replies] Last: I don´t want to harrass You, EEVIAC, but we already have nano technol... (by Incubbus)

by dbjohn

Assign reference address to variable

At the beginning of the tutorial at http://www.cplusplus.com/doc/tutorial/pointers/ the first section on reference uses and example of assigning the address to ...

[3 replies] Last: I suppose you could, but it would be pointless and would destory the t... (by Disch)

by LostCoder

Opening files in a directory

I need to write a code to open a directory entered at the command prompt that finds all the files of one type(mp3) in the directory. What functions should I be ...

[1 reply] : There are no such functions in the standard library. see boost : http... (by hamsterman)

by ibwood

Error reading data from USB ports on Linux

Hi everyone, I am running into debugging problems with my C++ code. For some reason when I try to read data from a port the output is blank and the code stop...

[1 reply] : It's because I'm using udev rules. I used the default ttyUSB* names an... (by ibwood)

by D Technodude

Plug Ins

I was wondering how to make a Plug In program. I want my program to be expandable, is that what Plug Ins are for?

[3 replies] Last: Did you read the link m4ster r0shi gave you last time? http://www.cpl... (by helios)

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General C++ Programming - August 2010 (Page 10)