Software Development Forum

A friend of mine recently asked me to help debug some code. I looked through it and it was riddled all over with goto statements. I know why he uses them (he used to program mainly in assembly and batch) and I tried to explain why he should try to …

Hi, I have overloaded assignment operator like below and it worked perfectly fine. [CODE]void Test::operator = (Test& obj) { this->a = obj.a; this->b = obj.b; } [/CODE] But when I googled more about this, I could see all of the examples used a different prototype like this [CODE]Test& Test::operator = …

I'm currently developing a program that has a lot of different, say, components to it that have to be linked together in some sort of manner. Now, what I wanted to ask is, is it viable to create all of the components as separate executables and access them programmatically?

Hey guys, i want to create a card game in java. The game is called Tong-its.,i'm having a really hard time doing it.where do i start?Im wondering if i would use applet or jframe.

i have a problem that i have been working on. i'm in need of some desperate help for someone can show me how to make this program work. [CODE] import java.util.Scanner; import java.io.*; public class LettersCounter { public static void main(String[] args) throws IOExceptions { //needed for scanner class Scanner …

[CODE]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace Booking { public partial class MainForm : Form { private double revenue = 0.0; private const int totalNumOfSeats = 240; private int numOfReservedSeats = 0; public MainForm() { InitializeComponent(); InitializeGUI(); } private void …

lets say i enter this Array : [0 0 1 2 3 4 5 0 0 0] what should be the output of sparse array ? thank you

Okay basically I have a class that manages sound and it's volume is a floating point value with 1.00f being 100% and 0.00f being 0%. So the math is done in low values. Allowing more precise calculations. Anyways, I'm adding and subtracting from the value by 0.05f as per the …

Hi In VB6, I have a Combo Command, and I made meny steps iside it, it is about 48,000 characters, and I need more !! but I got this msg: "Proceduer is too large" !! so, what can I do to complete my steps !? Thanks.. Sarwat.

how can i avoid data duplicate in the database? i mean if i add in the fields that has been already save it will still save. i don't know how to query or filter not to add the same info. i have the code below but it still save if …

Create a program to construct a binary search tree consisting of nodes that each stores an integer in Java, avoid duplication of values when inserting nodes in the tree. When a new leaf node is created list all the nodes in the path from the newly added leaf node to …

Hi all, I want to know if there is a smart way in c++ to test if my variable (or pointer) was already initialized? For example, I have a linked list, and I want to add an item to that list. If would like to do some thing [CODE] if …

Hi all, I have question about sessions in web services (VB). I created a function that allows me to login to my web service. I created a session here and added some values I retrieved from a stored procedure. The code will explain more :) [code=vb] <WebMethod(EnableSession:=True)> _ Public Function …

[B]Ok so i have two classes a tester class and a class that has the variable of drawing an ellipse. The program prints out 4 faces with 4 different colors. I want to store the users choice of one of the four choices in an array. Can someone help me …

HELP I NEED TO GENERATE A RANDOM ID FOR MY EXAM... NEED TO GET THE FIRST 3 LETTERS OF THE FIRST NAME....How do I do this?been searching for hours.. help greatly appreciated

Hi, i am facing a weir error.. bellow are the code that give by 32feet.net, it is (Bluetooth chatting sample) [CODE]Imports System.Net Imports System.IO Imports System.Net.Sockets Imports InTheHand.Net.Sockets Imports InTheHand.Net.Bluetooth Imports InTheHand.Net Public Class ChatForm Inherits System.Windows.Forms.Form Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu Const MAX_MESSAGE_SIZE As Integer = 128 Const MAX_TRIES …

Which command reads one character even if that character is a blank space? :?:

what is the use of malloc,calloc,realloc ?? i studied i didnt get proper knowledge .why instead of this why cant we use array???

Hello, basically I am making a program which uses OOP to draw objects onto a canvas and they constantly move, I am making a feature which will save the position variables as the objects move each time and then once a file is outputted it can be read again and …

Hey, I'm almost done my long program that I've been working on all week, but I'm stuck on this tiny problem where I can't seem to add more than one shape component inside a frame at the same time. [CODE]final Rectangle recComp = new Rectangle(); final Ellipse ellipseComp = new …

I am trying to create a toolbar on my dialog, so I am creating it in the OnInitDialog() function, but the toolbar is not coming. please help me finding whats going wrong in this. Thanks Sujan [code] BOOL CDlgsViewDlg::OnInitDialog() { CDialog::OnInitDialog(); CToolBar m_FirstToolBar; if(!m_FirstToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP …

I'm currently working on a dictionary library in C and would like to start using struct's for easy assignment. Now, I have several functions that need to be a member in said struct's. I have it working well using pointers, but my only problem is that I would like to …

Greetings everyone! im having my final project. My program is all about retrieve data from Excel Worksheet then show/calculate it in VB6. The problem im having here is i keep getting compile error "Procedure too large". I understand that VB6 procedure max is 64k and to make it small is …

HI All, Whenever user clicked the check box and used the things... its should be updated the current column. Here is table table 1 2 table 2(current value) 1 = becaused one of the items been used for work. Could anyone please give me some example..

im new in vb and i just create a simple calculation if i click the button for compute it will display the error please help me [CODE]Dim price As Decimal = txtprice.Text Dim quantity As Integer = txtquantity.Text Dim totalprice As Decimal = txttotal.Text totalprice = quantity * price[/CODE] [COLOR="Red"][B]working …

Hi, I'm working on a project and I am stuck on the AccountTest.java right at where the program is supposed to process the transaction-code within a while-loop. Below is the pseudocode for that was written for this particular assignment. This is my first post so I hope that I've formated …

[CODE] I m trying to make totaly disable mdi child form1 when another data entry form2 opened. Bcz by mistak on clicking frm1 frm2 go to back that i dont want to do. Me.enabled=false and frm1.sendto back. can't solve the problem. [/CODE]

i've come across many methods online to create a datetime picker within a datagrid view, but i haven't got a proper solution. i have a DGV which takes in truck no and date of arrival. i want the second column to appear as a datetime picker so the users can …

hi there im wondering about the difference between: int nr; if(!((nr--)%5)){...} if(!((nr--)%5)){...} and: int nr; if(!(--nr)%5)){...} if(!(--nr)%5)){...} is it right that in case 1 nr will be decremented after true/false comparison and in case 2 in advance? assuming nr=123456; in case 1 it would be true for second if.... and …

please i need help on making data report which the database is access 2007 with accdb format. what connection will i use and how and sample codes. thanks a lot in advance.

hi all, when i run the program in console when i want to enter value the emp_name,basic are skipping and hra,da,gross,net are not calculating,pls give me solution where i am wrong? thank you in advance. the programme is : #include <iostream> #include<stdio.h> using namespace std; class Employee { protected: char …

I'm having trouble getting GDI sample codes to work, I've seen the external packages and downloaded them but I couldn't get the same code to work and I believe it's because I don't know how to install the GDI packages properly, can anyone help me?

Hello everyone i want to get all file in a folder to a listbox using visual basic 6.0 example: i have many files in a foldre mp3,dat,mpg etc file in D:\musicfolder and we use a listbox and a timer or command botton when i click on command botton then listbox …

I am able to save the datagridview as an excel sheet but everytime i do it,the previously saved file gets replaced which i do not want..i want the file to be saved with a new name everytime [CODE]Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click Dim …

My code(below) displays only one "message" at a time and then prompts the user to delete the message in order to create a new one. How can I make it so that the user can constantly add new messages without having to delete the previous message? [CODE]import java.security.SecureRandom; import java.util.Iterator; …

In my application, i have put a question on form closing if the user wants to save the changes?. But right now, i have just put it in default whether they make changes or not. I thought of prompting it on text change.. but the text automatically changes on load …

first i tried with system.out.. then i tried this: [CODE]import javax.swing.*; import java.awt.*; public class Ejer1 { public static void main(String [] args){ JTextArea graphs = new JTextArea(); String [] graph1 = {"*********"}; String [] graph2 = {"%s\n%s\n%s\n%s\n%s\n", "* *","* *","* *", "* *", "* *","*", "* *","* *","* *","* …

What we are to do is pretty much mentioned in the comments of the code. I have to make a class ARRAY, which searches a list etc... Right now I can't compile this and I'm so stuck. Please help :) Array.h [CODE] // Put comments about the class here. #ifndef …

So I have a matrix class that must run on a unix/linux server. The main is a test file that is provided by the instructor. When I compile my code in visual studio it works fine except for test 8 because I can't figure out how to return a print …

hi, all ... very new to java, but plugging along somehow ... however, i have an assignment that wants me to find the value of all of the inventory of a product and i have the entire code, but the method that i created to calculate the value ... calculateTotInvent() …

i m working on a project and i want to implement a java code such that if user enters a number say 5 then after submitting on the next frame 5 textboxes should be displayed?? please help me!!

[CODE] #include <vector> #include "Rab.h" class Envo { vector<Rab> items; };[/CODE] the error is: [ICODE]error: 'vector' does not name a type[/ICODE] I can't find ANYTHING that's wrong. Is someone else able to find it? BTW, Rab.h contains the class 'Rab'. Jack

I have a Windows aplication where i want to click a link in a website automatically after an automatic login.Now i am done with automatic log in.but unable to click the link which is enclosed inside <a> tag eg: <a>to be clicked link</a> any help will be appriciated

hello all how to put more than one JLabel in a vertical direction,and right align by computing the length of each of JLabel.Text so the appearance like below Name: Position: age: thank you denny

I know alot of you guys get the same posts over and over about intro JavaII Classes, but I have tried to refrain from asking something that has already been solved and try learning on my own, but Im stumped. Im having trouble with this program, specifically at my calculation …

I have recently started using VIM for writing java code so I'm still getting use to the things i can do with it. I'm having trouble compelling the file directly in vim. I would like to have it so i can use :compile to compile the programs and then it …

Guys I have this string: [CODE]mystring = 'blue, pink, red, red, red, white, long, short, blonde, blonde'[/CODE] I want to: 1.) Split it into a list, 2.) Erase all duplicates 3.) Sort it out alphabetically so I did this: [CODE]mystring = list(set(mystring.split(', '))).sort()[/CODE] But why when I go to call …

I need to take in a sentence and break it up based on the individual words. I've been googling for probably 30+ minutes to 60 ish and I feel it's time I get some help on this one.. Ideally, there should be a way to break up a string possible …

I have problem on my program. Can anyone help me to fix it and explain to me a little bit? [CODE] #include <iostream> #include <iomanip> using namespace std; void displayResult(); void welcomeMessage(); void game(); int main() { welcomeMessage(); displayResult(); displayResult(frequency, expected, intRepeats); } // end main void welcomemessage { cout …

I cant seem to login into my crystal report viewer. It wants me to login with the user name and the password. I've already provided the UN and the PW during the crystal report database connection. I really do not know why it fails. I only have these codes. [CODE] …