Software Development Forum

i've started learnin OOPS lately... and i hav a question... check it out... i started studying abt friend class and friend functins... a friend function program... now, how can i write a progarm 2 add two complex variables... can i use: void getdata() { cin>>a+i; cin>>b+i; } to input two …

hi folks the program I am attempting to do here, even though its horrible so far, is one that reads in a file containing: [code] Johnson 85 83 77 91 76 Aniston 80 90 95 93 48 Cooper 78 81 11 90 73 Gupta 92 83 30 69 87 Blair …

In my program I need to have the user get two chances before ending the program. Currently if the condition is not satisfied then they only get one try. I would like some help in getting a second try. [CODE] // Takes user entry Scanner user = new Scanner(System.in); System.out.println("Please …

Hello everybody, I have spend the last 6 hours on trying to access a char * type within a static struct without success. I guess I use the pointers wrong but after trying "everything" I am pretty lost right now. So hopefuly someone of you can help me. I have …

Hi there, I have a question about a really simple program. The code below doesn't work, the compiler comes back with "fatal error C1083: Cannot open include file: 'ofstream': No such file or directory": [CODE]#include <iostream> #include <ofstream> using namespace std ; int main( ) { ofstream myfile("newfile.txt") ; myfile …

Hi I'm beginning a new game project involving Event data cards. Most have common types of data. They fall broadly into three types: terrain, movement or fire. Although there are some special event cards or modifier cards but on the whole, similar data on the most part. Except the fire …

what are the modules do you prefer to do when you are creating a COMPUTER AIDED INSTRUCTION SYSTEM??

Hello. I need some help in deducing time in a game. The current time is (06:45:10) I have two fleets that is send to attack a planet. The first fleets arrival time is known (10:31:15) 24 hour format The second fleets time to get to the target planet is known …

hey everyone, well i got a little problem im trying to write input from the JTextField into the file (file4.txt) but the problem is it keeps overwriting the text file each time i make input and any data ther was is changed in to new data.all i need is that …

I'm trying to write a program that, after playing a game with the user, asks if they want to play again. For this test, I want to simply test the first letter of the word they input and if it's a "y" then the game will repeat. at first, I …

my program is made to enter a matix,in which it finds all of the column`s minimum numbers which are[COLOR="Red"] >0[/COLOR] and then put them under the last row.i have sucseded entering the array and puting it out,but i think my IF is wrong somehow.I have tried initialising the last row …

I was just wondering if there is a method or something in Java that, once a URL has been passed, can determine if a webpage under that URL was written in HTML, PHP, XML, and so on. I looked in URL and HTTPConnection classes but didn't find anything. Maybe missed …

The program like the title says is supposed to return the largest integer value in an user-inputted integer array, using binary recursion. And in the case of an empty array, return Integer.MIN_VALUE. I am kind of stuck on the logic of this binary recursive algorithm. I know there is errors …

what r sum applications of very common microprocessors and microcontrollers that uses assembly language as its basic or core language

I've been doing research on data structures but I just can't really wrap my head around what they are. I'm thinking classes, enums, structs are data structures; but then I also see linked lists and queus, etc that I don't understand either. Could anyone tell me what they are, what …

[CODE]#include <stdio.h> #include <ctype.h> #include <string.h> #include <unistd.h> #include <libgen.h> #include <time.h> #include <errno.h> #include <ctype.h> #include <math.h> #include <float.h> #include <stdlib.h> static char * string_tok( char *str) { static char *next = NULL; if(str == NULL) { str = next; } else { next = str; } if(str == …

I am writing another header file. And I am still trying to get my head around these templates. They seem extremely easy to understand but I have had the compiler moaning at me for the last 2 hours. This is what i have: [CODE] #include <iostream> #include <cassert> using namespace …

Greetings fellow programmers! I'm doing a computer vision project in my AI class and am looking for some tips. My task is to read a bitmap into memory and alter that image file and find an object within it. In my case, I'm searching for a box that appears in …

how can i associate jar files with java.exe not javaw.exe in window 7,since if jar file is associated to javaw.exe,then console is not displayed. thanx

I have no syntactical errors, but i cant figure out why this wont work. Heres the code. [CODE]#include <stdio.h> #include <string.h> #include <ctype.h> #include <math.h> int main (void) { char str[100]; int i = 0, line_count = 0, len = 0, alpha = 0, lower = 0, upper = 0, …

[code] public class Animal { public void eat() { System.out.println("I eat like a generic Animal."); } public static void main(String[] args) { } } class Fish extends Animal { @Override public void eat() { System.out.println("I eat like a fish!"); } } class Goldfish extends Fish { @Override public void eat() …

im trying to get my code to perform dijkstra's algorithm on my adjacny matrix, it works great for the inital row (0) but i cant get it working for any other value?! [CODE]void dijkstra (int a[size][size], int matSize, string CityID[size]) { string startCity; cout << "Enter start city : "; …

I figured out how to make indentation with [code=java] SimpleAttributeSet style = new SimpleAttributeSet();// = doc.addStyle(null, null); StyleConstants.setLeftIndent(style, 12); StyleConstants.setFirstLineIndent(style, -12); [/code] and then use doc.setParagraphAttributes(doc.getLength(), 1, style, false); after the insert into document. now numbers there doc.getLenght(), 1, i've been changing around but always same issue. The problem is …

i have just entered T.Y.B.Sc.I.T 6th sem. and i am confused which project topic should i select, can anyone help plz. Project wourth is 200 marks

some one help me with visual basic bus management system please

Hi experts, I'm using vba to do my coding. I have to check whether the data exists in the db or not. so I'd done this to check it. [code] Set rs = New ADODB.Recordset With rs .Open "pr_q", cn, adOpenKeyset, adLockOptimistic, adCmdTableDirect curr_year = Year(Date) q = 4 .MoveLast …

I want to say thank you to everyone in advanced for all the help that has been provided. I am currently stuck on two more items on this program. Currently I am completely stumped on how to create a bar graph using the information gathered by the program. Some reason …

I am working through the book Beginning Visual Basic 6 Database Programming by John Connell. I have finished the section on Building a Data Control Class Module and have created a nice Book List program for my wife. I am using the DAO database control as shown in the book. …

Hi guys I need help with my C# winform app below/attached the code Thanks. -------------------------------------------------------------------------------- [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; using System.IO; namespace ListOfRunners { public partial class Form1 : Form { //protected Runner runner; //protected List<Runner> listRunner; …

how do i receive two separate inputs from the same text box? here is what i have so far: [CODE] c1 = textBox1.Text; textBox1.Clear(); c2 = textBox1.Text; [/CODE]

How is it possible to delete a byte ( char, int, double .. ) from a text file ? Suppose that the file.txt contains :"110Hello". And I want to delete "110" from the file leaving only the "Hello" part. How to do this without reading the whole file into the …

[ATTACH]17854[/ATTACH] [ATTACH]17855[/ATTACH] [ATTACH]17856[/ATTACH] Guys I am trying to help a friend of mine with this project they have due in a few days and because I program in Java mainly I am a bit rusty with this. I can not figure out why my getInput function shows up under the …

I am working on a control break algorithm in C, and part of this algorithm is to have while loop check for the end of file and whether two strings equal each other. the first string is a part of a typedef struct structure called 'record' [I]rec.state[/I], and the second …

Hello I am making an project in Netbeans and the following is my problem: I deleted some of my .java files of my project and later copy pasted the same files. Now the code runs perfectly fine but Netbeans doesnt detect the packages. I mean inside the code it shows …

The point of the program I am making is to have a pure abstract base class called BasicShape and have 2 child classes, Circle and Rectangle. I have the program written but with one unresolved error. [B]Main.cpp file[/B] [CODE]#include "Pure.h" #include <iostream> using namespace std; int main() { Circle pizza(2,2,10); …

Hi guys, im having problems verifying date. My exact problem is that even if user inputs an incorrect condition, the system still stores it into the class. My question is, where do i put the conditions so that the error gets printed AND the user gets to reinput that value …

hi, when i run the code below its hit the error [COLOR="Red"]Index was outside the bounds of the array.[/COLOR] in a place that i highlight in red. Please help [CODE] Dim crParameterFieldDefinitions As ParameterFieldDefinitions Dim crParameterFieldDefinition As ParameterFieldDefinition Dim crParameterValues As New ParameterValues Dim crParameterDiscreteValue As New ParameterDiscreteValue rpt.SetDatabaseLogon("sas", "123") …

Hi all, I want to send a file to my gmail over socket. Reading a file and writing it to socket is simple but actually I donot know how to implement SMTP over socket. Could anyone tell me how to do it ?

I am sure there is nothing wrong with this... I am racking my brain as to why it wont compile. [CODE] #include <iostream> #include <string> using namespace std; class Vehicle { public: Vehicle(); Vehicle(string m, int y); void print() const; protected: string model; int year; }; void Vehicle::print() const { …

between merge sort and binary insertion sort which is more efficient?i know that theoritically both are nlogn search bt practically which will be better.that means if we plot the graph of number of comparison vs number of element in the list hose slope wll be slightly more than the other.and …

Hi, I'm trying to create a simple program in Win32 and I can't find how to accept input in the form of text. Like "What's your name: ___" then the user enters their name and my program can evaluate the input. I have already googled this for a long time, …

kk so I am having a problem on a mac where the audio doesnt work very well unless my finger is on the touchpad... it works perfectly smooth... I want to write code to detect whether the finger is there or not and if it isnt then move the mouse …

Hi, I need to make a simple calculator that just does addition and subtraction. But the program should keep a running total of the calculations entered like this: sum = 0 12 + 3 sum = 15 5-2 sum = 12 1+1 sum = 13 But it also needs to …

I am trying to add two hexadecimal numbers. [CODE]def addbinary(n1,n2): s = "" carry = '0' for i in range(3,-1,-1): if (n1[i] == '1' and n2[i] == '1' and carry == '0'): s = '0' + s carry = '1' elif (n1[i] == '1' and n2[i] == '1' and carry …

What does this mean and how can I fix it? An unhandled exception of type 'System.ArgumentOutOfRangeException' occurred in mscorlib.dll Additional information: Index was out of range. Must be non-negative and less than the size of the collection. [CODE]dgtsCustomers.GridColumnStyles(0).HeaderText = "Factory ID" dgtsCustomers.GridColumnStyles(0).Alignment = _ HorizontalAlignment.Left[/CODE]

anyone have any ideas? for some reason uni forgot to include lectures notes on this, yet decided to base homework on it. i get the general idea just not sure how to implement it.

Hi, I am relatively new to JAVA and especially SQL and I am having trouble with a "cannot find symbol error. I believe it is at this line catch: "catch(SQLExeception e)". Any advise would be greatly appreciated. Thanks, Mike NetBeans code looks like this: [code] import java.sql.*; public class Book …

Hi friends, As i a writting small C program to pass the structure pointer in the function. i am endup with small problem, plz let me know how to crack this one? ///////////////// [code] void function1(void *); void main() { int size_offset = 0; typedef struct { int a; int …

It's from my homework assignment Question 1) Based on the O notation, approximately how many swaps and comparisons occur when Selection sort is called on a worst-case array of length 8? a) 16 b) 64 c) 100 d) 800 Number of swaps = O(n) which is "8" and Number of …

I received the following error, but I don't understand how to fix it. Help? "readline() on closed filehandle IN at transcribe.pl line 21." [CODE]#!/usr/bin/perl #transcribe.pl #convert DNA to RNA (T to U) use strict; use warnings; #TASK: Read DNA sequences from ‘DNAseq’ input file – #there is one sequence per …