49,766 Topics
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| | Hi! I am writting an windows form application in Visual C++ .NET 2003 and have an issue. When a user makes a change in the datagrid, how can I detect that a change has been made eithor with the datagrid or the underlying dataset? Also how can I identify the … |
| | I have a problem with this code given below when i compile it without pointers it easily runs i want to run it by using pointer it gives me erro can any body runs the programme with pointers. when i compile this without pointer it runs #include<iostream.h> #include<conio.h> #include<string.h> #include<stdio.h> …  |
| | Hi i am trying to find a good C++ tutorial to help get me started with programming. Does anyone know of a good one?  |
 | Hi I have two questions? 1-Is the quality of a picture related to its number of pixels?(I know its not related to c++) 2-Is it possible to work with individual pixels of a picture via c++? thanks  |
| | Hi there, i have an assignment, and i need to create a monthly expenditure. I have managed to get alot done, a fully functioning menu and all the functions. Im stuck when it comes to deleting an entry I have been using structured arrays to store data, ive posted all … |
| | I'm really a beginner in C++ programming, and the above problem is just a part of c++ excercise. Can somebody give me a tip how to implement this in C++? The biggest problem for me is to implement and write this: • red+yellow light on cat traffic light is 2 … |
| | Hi, this is my first post here. The fact is i'm not a programmer and i need help. I have a software that i need to solve a vehicle routing problem for my thesis. But i only got the source code for it, one header file and 6 cpp files. … |
| | Hi: I have a C++ program in which I generate a window to show my progress. I design that the window will maintain until I click "OK' button on it after all process done. However, it is always automatically shut down before I can see the OK button. I tried … |
| | Is it possible to use web browser as GUI for C++? Possibly use Google Chrome as GUI instead of windows API. I would rather stay away from learning the windows API mess. I just need to get some inputs from user, and spit out a picture to the screen and …  |
| | i am a bit confused on how to start this i have to write a for loop to read in 10 number , write bubble sort having 2 nested for loops and writing a loop to output to sorted array [code] int main () { int total_neg=0;// intialize int total_pos=0; …  |
 | Hey guys, I got this code, and I can't get it to compile, no clue what I'm doing wrong. [code=cpp]#include <iostream> #include <vector> #include <iterator> using namespace std; template <class T> void kill_dupes(vector<T> &x){ vector<T> y; for(vector<T>::iterator it = x.begin(); it != x.end(); it++){ if(find(x.begin(), x.end(), *it) == x.end()){ y.push_back(*it); …  |
| | Hi i want to read the colon separated values from a file as given below. Name : VIjay city : XYZ Address : ABC etc etc . . these are the entries in a file and i want to read and save the name and age ie,vijay, XYZ etc etc … |
| | Hi everyone, I am a newbie both on this forum and Borland C++ and hope you can help me to figure out the problems which I encountered during my project. Here we go, I wrote a program that reads SysLog messages and store it in a database.These log messages are … |
| | Hi there. I do have close to the same issue. When I fist run my application it connect successfully to serial port. Now my app can receive and send data. But when I close my app I has some issues running again. It looks like it goes into a tight …  |
| | Hi I first i new here hope this correct place to post. I currently making a 3dsmax load which converts a 3ds file to direct x file so it can be loaded. My problem is that i using a old .exe file called conv3ds.exe which when used in cmd would … |
| | I need to write a function in C++ that does the following: -Reads an audio file as input (preferably in Mp3 format). -Calculates the average frequency (Hz) and the tempo (bpm) of that file. -Stores the average frequency and tempo for future use. Any idea on how to write such …  |
| | Hi, I am calling a c call back function in c++ member function.which works fine.Now I want to call some c++ non static member function in this c call back function.How do I do that.Can please somebody help me. Thanks, Harini |
| | [code=c] // lokalasss.cpp : Defines the entry point for the application. // #include "stdafx.h" /*int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { // TODO: Place code here. return 0; } */ //////////////////////// [/code] // ddd.cpp : Defines the entry point for the console application. // [code=c] #include … |
 | Hello everyone, I'm pretty new here. I'm facing a problem, the compiler says "Segmentation fault". Please take a look at the code and tell me where I'm going wrong. I tried hard to figure it out, but I couldn't. Thanks a lot. [code] int **PointerArray; *PointerArray = new int [LENGTH]; … |
| | I'm using the following link to learn how to pass VB string arrays to a C/C++ dll for editing. [url]http://support.microsoft.com/kb/118643/EN-US/[/url] The problem I'm having is, where is the vbapi.h? I've searched my hard drive for it and found nothing. I've also searched the net for where it could be possibly … |
| | Hi, I tried the following snippet of code [code] BEGIN_MESSAGE_MAP(CSpeechDlg, CDialog) //{{AFX_MSG_MAP(CSpeechDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_VOICE_TRAINING, OnButtonVoiceTraining) ON_BN_CLICKED(IDC_BUTTON_MICRO_SETUP, OnButtonMicroSetup) ON_BN_CLICKED(IDC_BUTTON_SPEAK, OnButtonSpeak) ON_BN_CLICKED(IDC_BUTTON_ABOUT, OnButtonAbout) //}}AFX_MSG_MAP ON_MESSAGE(WM_RECOEVENT,OnRecoEvent) END_MESSAGE_MAP() [/code] but i got an error at this line: [code] ON_MESSAGE(WM_RECOEVENT,OnRecoEvent) [/code] the error is : [code] Error 1 error C2440: 'static_cast' : cannot … |
| | Hi all, My program is supposed to read data from an input file and position the read data into an AVL tree - in alphabetical order. My output at the end is supposed to show each node in this format... i.e. (Current, Current->LeftChild (could be NULL), Current->RightChild (could be NULL), …  |
 | Just a curious Question. What do you prefer, QT or wxWidgets? How do compare the two in terms of: 1. Nativity 2. Easiness to learn 3. Documentation 4. Weight (The size in MB) 5. Licencing 6. Any other factor(AOF) Thanks all!  |
| | I'm writing a command-line tic-tac-toe game and i've encountered a problem in my helpMenu() function, whenever i recursively call the function with an argument, the cin.get() pause ceases to work. Any help appreciated, thanks. The following is my test.cpp file, whenever i write some new function i always put it … |
| | Ok I'm going to try to be as specific as possible. Here's my input file (at least to some effect): [code] #'s searched 1 3 3100 56801 .52 87925.32 2 Mitchell 1 boudreax 2 1 4 5480 56825 .81 68939.09 0 1 5 8520 56829 .89 10892.40 3 guillott 3 … |
 | Hey everyone, I'm trying to work with Sets. I have a function [I]Union[/I] that takes a class type [I]Set[/I] as it's parameter. The function returns the union of class A and B. Here is my code: [code=c++]Set Set::Union(Set setB) { Set result (maxItems); for (int i = 0 ; i … |
| | Hello everyone, I really need some help with this project I am working on. So I need to go through a text file to search for a particular string (say something like 'play') and then if that word exists in a line I need to find a string after that … |
 | Hello all, I am solving some of the exercises in a new book of C++ I am having trouble in declaring [quote=THE C++ BOOK]A Reference to a array of 10 Integers[/quote] Its on the 19TH and 30th line. I have the total code over here. [code=c++] //Declarations for all the …  |
| | Hi, I am trying to track all users in my network by getting user name, login time and logout time, I want to pass their machine ip address as my input and get what i need. I use Windows xp os. please assist if you could. |
| | [code=cplusplus] // Josh Crago_Chapter 7 Programming pg 458, # 7 #include <iostream> #include <iomanip> #include <string> using namespace std; int main() { char again; do { // Define the varibles char letter = 0; const int SIZE = 81; char line[SIZE]; const int maxLowercase = 122; const int minLowercase = …  |
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