Software Development Forum

Everyone watch my code and help me. I'm building a simple program like Paint the windows. Here, I just do the free drawing button. But when I press the button and draw freehand drawing, then the panel draw the toolbar to copy the image above and press a button every …

#include <iostream> #include <iomanip> #include <fstream> const int NUM_SURVEY=3; using namespace std; struct Survey { int IdentificationNumber; double annualIncome; int numberOfHouseMember; }; void getData(); void calculateAverage(); void findPoverty(); void printReport(); int main() { getData(); calculateAverage(); findPoverty(); printReport(); system("pause"); return 0; } void getData() { Survey Households[NUM_SURVEY]; int i; cout<<"------------Enter " …

I am currently using code::blocks but i am experinsing trouble trying to link the ws2_32.lib and other libraries. I tried visual studio express but it doesnt work with me. What are some good FREE c++ compilers that have very easy library linking and are rather user-friendly and that i can …

In my project (Borland C++ Builder, Windows Xp ) am using following code for opening the file TOpenDialog *OpenDialog; OpenDialog->Filter = "all files (*.*)"; OpenDialog->InitialDir="::{20D04FE0-3AEA-1069-A2D8-08002B30309D}"; OpenDialog->Execute(); But the "My computer" tab is empty its not showing the drives. Rest "My Rescent Documnets" , "Desktop", "My Documents", "My network drives" all …

Hi! Only two windows-dialogs in my programm. On button click I do this->EndDialog(0); MyWiew mw; mw.DoModal(); ShellExecute(0, NULL, fdlg.m_ofn.lpstrFile, NULL, NULL, SW_MINIMIZE); But MS WORD opens file and starts only when mw is closed. How to start it with the mw together? Thanks in advance.

Guys, I having problem converting the sql server function to mysql function. It work perfect at sql server now it now working at mysql. Please help.Thanks DELIMITER $$ CREATE Function `pearldb`.`SortingAlphanumeric` ( ColValue NVARCHAR(255) ) RETURNS NVARCHAR(1000) BEGIN DECLARE p1 NVARCHAR(255); DECLARE p2 NVARCHAR(255); DECLARE p3 NVARCHAR(255); DECLARE p4 NVARCHAR(255); …

Hello everyone; I've been struggling with trying to figure out how to get this struct program to work and I'm at a total loss on this. Basically I need to create two structs POINT which will have an X and Y values, and a LINE struct which will include 2 …

I have a file, 'date-list.txt' which has date in it. For example , 20 May 2012 . Now I want to compare this date with current system date and show the difference in days . How can i compare dates and shows difference in days in C++.? Im really a …

OK so what would I need to change to the following code so it would produce the following: xxx xoo xoo As at the moment it is producing: xxxooo xxxooo xxxooo My code that I have used can be seen below: import javax.swing.*; public class test { public static void …

Hello all, I have been long using Tango Icons and are good, but some stuffs are lacking. Is there good freeware Icon designer or free Icon package? Thanks alot

Being a vb.noob as basically most of the vb.net world, I use the `Try/Catch` statement quite a bit for when it comes to errors, as the following. With Me .Text = "a" Try .Text += 1 Catch ex As Exception MsgBox("error: " & ex.Message, MsgBoxStyle.Critical) End Try MsgBox("a") .Text = …

Hi can any1 explain this code to me? i dont qute understand. strIPaddress is a ip address and strPort is the port number. _objExtAccess=(IExtranetAccess)Activator.GetObject( typeof(IExtranetAccess), "tcp://"+strIPAddress+":"+strPort+"/ExtranetAccessService"); Thanks.

I stuck against the wall again in implementing list of classes. In the nutshell: The idea is to put a LIST containing several CLASS, the Class content can only be manipulated and accessed with get and set method (which is already established). To add a value inside Job, Paycheck, and …

The file contains the instructions. I need help by tonight. Please Help!!!! main.cpp: #include <iostream> #include <fstream> #include "addressbook.h" #include "addressbook.cpp" int main(){ ifstream inStream("input.txt"); string line, header, token; vector <string> tokens; getline (inStream, header); AddressBook myAddressBook; while(!inStream.eof()) { getline (inStream, line); cout << line << endl; int x=0, y=-1; …

main() { int i=1; printf("%d,%d,%d",i,i++,i++); } the o/p is 3,2,1. But how it is possible In which order does printf executes??why it is not 1,2,3.

Hi, I'm a junior computer science student and I'm currently new to this forum. Im having some problems understanding the code excerpt from a book (see code excerpt below). The code is suppose to delete characters from a string, based on the given prototype: void RemoveChars(char str[], char remove[]); str[] …

Im creating a Chess game. Im stuck at getting the pieces to move within the rules Aka bishop can only move diagonally. I Create Panels - 64 of them within a lager panel then add JLabels - The pieces - into those panels ` JLabel bb = new JLabel(new ImageIcon("bb.gif")); …

I am newbie in java. I am facing problem now. My purpose is to put the time in textfield. I need press "Start" button and then the time will start go. But after i compile this code. It got error. I have no idea to do it. Can anybody help …

Hi, I'm new to this site, and I thought this place might help me with some of the problems I am hitting. I am currently in grade 12 Computer Science, and I am coding a third-dimensional snake game (isometric view, so can all be drawn in 2D) I have taken …

i have a array 10X13. where it say 1 i want to print image called wall. ok so the array part is easy. iam pretty sure its fine. less continue. const int ROWS = 10; const int COLS = 13; int level[ROWS][COLS] = { {1,1,1,1,1,1,1,1,1,1,1,1,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, …

Hello everyone, I want to start learning C++, because that's what we do at school and I really need to know it. But there's a problem, I don't know where to start from, what to do and such. At school I can't understand anything from the teacher, so that won't …

Greetings The quicksort i am building works for only aprox 50000 element in a list. If i go above that i will run out of memory and the program will crash. This is only when i use the median of three or left as my pivot element. When i use …

Hi guys, I have some problems regarding textbox and radiobutton. My GUI design is like this: I have a textbox, 3 radiobuttons and an enter button. My first question: how can I make the enter button only visible if the textbox is filled and the radiobutton is clicked? If not …

Hi all and thanks in advance for your help ! I have a very simple class called circle and i wanna add the ostream << so i can have the ability in main to write cout<<a<<b<<c; the theme is i'm getting many compile errors in the same row eg iso …

Hello guys, There's some issue with my UIPickerView controller. The data won't pop up in it. The 'Drum' by itself is visible but empty. My code is: - (void)viewDidLoad { [[self navigationController]setToolbarHidden:YES animated:YES]; [self setItemShow:theItem]; self.uiPickerViewData=[[[NSMutableArray alloc]initWithObjects:@"One",@"Two", nil]autorelease]; [super viewDidLoad]; } And method which will work when button is getting …

please can anyone send me a simple code of c++ game which is coded without object orientation.

I have a SQL Server table that has no rows. Programmatically in WinForms C#, I have created a DataTable with the same schema and populated it with data. I would then like to write the contents of this DataTable to the SQL Sever table using a SQLDataAdapter. Since the data …

Ok so when I run the following code nothing occurs so could someone look at the code and tell me where I have gone wrong? public class somee { public static void main(String[] args) { somee f = new somee(); } public void f() { int anInt = g(7); System.out.println("ffff"+anInt); …

Hello people. Ive got a problem with a listbox of mine. I have three lisboxes, one listbox1 is for product category, another lisbox2 is for the product itself in which it will appear after the user has chosen a product category AND another listbox3 which acts like a shopping cart …

Hi, The code shown below sucessfully saves text onto a line in a txt document, but using the array, I want to be able to save each piece of text on a separate line. How would I do this? Thanks in advance :) Dim filePath As String Dim objectWriter As …

Hello all, I am trying to think of ideas for programming projects, Python is the language I know most about so I decided to post it here. I have made some random stuff, like a Python program which generates a specified amount of asterisks I have made a text based …

Hi all, FIrst I have to say my experiences with C++ are very low. But since we're given an assignment to develop a simple game in C++ now I have to try it out. But I have the basic idea on OOP and programming. So friends where should I start. …

This is my program import java.util.*; class Triangle { public static void main(String Vinod[]) { int i,j,n; Scanner sc=new Scanner(System.in); System.out.print("Enter a height of triangle : "); n=sc.nextInt(); for(i=1;i<=n;i++) { for(j=1;j<=i;j++) { System.out.print("*"); } System.out.println(); } for(j=n;j<=1;j--) { for(i=j;i<=1;i--) { System.out.print("*"); } System.out.println(); } } } I dont know what …

Hi all, i have installed jdk1.7 , now i want to set the class path.. because i am compiling my program its giving an error.....javac is not recognized as an internal or external commond. please help me to set the class path.......and how to able to run my program.

>> I googled the dinference between bitwise and logical operators, but i could not understand exactl what it is. Can you simply explain ?

Heloo,this wil be my first post here, the reason for that is I can't figure this one out by myself public class Client extends Thread{ Socket socket = null; ServerResponse sr = null; private class serverResponse extends Thread{ InputStream in = null; public serverResponse(Socket socket) throws IOException{ if (socket == …

Hi again and thanks in advance !Any help would be very appreciated cause i'm having a test tomorrow and i need some help! So i wanna have a class called Bag and a subclass Set.In bag we have 2 constructors, an insert function , getsize function , getsum (which adds …

import java.util.Scanner; public class SwitchStatement { private String courseName; private int total; private int gradeCounter; private int aCount; private int bCount; private int cCount; private int dCount; private int fCount; public SwitchStatement(String name){ courseName = name; } public String getCourseName(){ return courseName; } public void displayMessage(){ System.out.println("Welcome to the grade …

main.c #include <stdio.h> #include <stdlib.h> #define MAX_USERS 100 typedef struct Utilizadores{ char *login; char *pwd; } USERS; void ReadUsers(USERS user[]); int u = 0; int main(){ USERS user[MAX_USERS]; ReadUsers(user); return 0; } void ReadUsers(USERS user[]){ FILE *fp; fp = fopen("/home/Jiwe/Desktop/users.txt", "r"); while(fscanf(fp, "%s[^=]=%s\n", user[u].login, user[u].pwd) != EOF){ u++; } fclose(fp); …

i am using MySQL database. i have one field PurchaseDate. i want following result e.g. : PurchaseDate between May-2010 and Aug-2011 pls help me to solve this problem. its urgent. thanks in advance....

can anybody explain with details how to calculate the factor of a number ? i m trying to do this with while statement. how can i do this ? please...

hey how to clear the screen in c++ i m using dev c++. clrscr()doesnot work

Hi again, all--- I'm trying to write a function that will add two matrices and output the resulting matrix. I've got two matrices already and everything, now i just need to write the function that i can use to call in my switch loop (The program must read two matrices, …

How will I implement colors in a console application developed using C++? What are the color codes of different colors?

Hi, I have a matrix of size of n x m, how can the file be read without any given size, thus making it possible to be read with any given size matrix?. Here is the scenario, I have a matrix of size 3 x 2 then someone wants to …

Hello, I am trying to create a Login system, so far it writes users correctly however it doesn't seem to be reading it correctly as it always claims the username/password is incorrect even though when I check the file it is. Could someone help, thanks! class TestLogin { public: char …

Hello I am looking to read a file into a 2d array to show which spaces have been taken/ haven't taken whiey will show a # if not taken and a T if taken, so far I just have a text file I created which shows like this: T # …

Why does this program doesn't work ?

hello everyone..i'm trying to create a simple window using Win API in visual studio 2010 using the code below #include <Windows.h> LPCTSTR g_lptstrClassName="myWindowClass"; LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam) { switch(msg) { case WM_CLOSE: DestroyWindow(hwnd); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hwnd,msg,wParam,lParam); } return 0; } int WINAPI …

I have a command lline script that works perfectly. cat <some_filename> | awk '$9 == 200' | awk '$10 == 10623720' | awk -F\" '{print $6}' | sort | uniq -c | sort -r I want to put this in a shell script so that we do this for multiple …