Software Development Forum

I'm doing a part C, part Assembly code but I'm getting a segmentation fault. And I haven't figured out why? Can anyone help? [CODE] #include <stdio.h> #define SZ 7 int* a[SZ]; int x, y, z; void populate() { x = 1; y = 2; z = 3; a[0] = &x; …

Hi, I am writing a piece of code for a student database. I have one abstract base class named student and three classes (physics student, biology student and chemistry student) derived from student. I want to overload the insertion operator (<<) so that at some point in main I can …

i'm developing application in .net using c# that has 1 dropdown list .I want to take data in it .to show in list.please suggest me some help

Hi there, I've been trying to create a memory test game, but been trying to figure out a way to get the output to display for a limited amount of time, any suggestions geeks in the house.

I have just started looking at simple cryptography in order to learn python better. Encryptions and decryptions should be speedy and accurate so im hoping it will improve my programming skills. I recently wrote this quick script for a shift cypher but i wasnt sure how to be able to …

can anyone please send me the code for marking an object in two successive frames???? please its very urgent....

hi I want to fetch data from sql and use them to make a new data I really like to store the records in variables and maybe do some operations on some of them , but the main point is to update three tables in ways that are not the …

I was given an assignment to complete on database, i have created it and also works but crashes after executing once, check it friends and please help, if you can modify or make it works my time is really limited and am unable to find a solution, friends be graceful …

Hi, Anyone can help me to build this little program? i want to know that which folder or drive i'm in and my program will automatically write the status on the list box <example: kind of FileSystemWatcher1>. i mean, i want to get the current status of the drive and …

Hi, I have start and end time like this: [CODE] $start = "Wed Apr 27 03:57:21 EDT 2011" $end = "Wed Apr 27 03:58:42 EDT 2011" [/CODE] I need to compute the exact time taken some thing like 2 hours or 1 min. I have to do this with out …

Hey, everybody, I'm a newbie at Python (2.7.1), and new to DaniWeb as well. and the apparent simplicity of Python got me interested in programming (seriously, the only thing before this was HTML). Anyway... I was taking a test and thought that after I was finished I could make an …

Hi, I put 4 buttons on my form. [B]cmdFirst cmdPrevious cmdNext cmdLast [/B] How can I navigate my MS Access database using these buttons. I don't want to use .ADO instead I would like to use my own buttons with code (OLEDB). Sample code for this purpose would be highly …

Hey, I am new to python and was wondering how to import modules? I want to import the datetime module. Do i have to download it from a website? Thanks

I have to ask the user a question on what number they would like to search for in the list. The code compiles fine but when I run it, nothing shows up for the user to ask a question. here is the code: [code]#include<stdio.h> #include<stdlib.h> struct Node { int data; …

Hi all, I need to set some variables via Pysnmp which take 'unsigned int' only. Is python int by default a 32 bit- signed int? How do I convert it into 16 and 8 bit- unsigned ints? I need to read two registers consequently( which are of 8 bits each) …

Hey, I am working on a book writing program right now and I am wondering what the best way of saving the book(s) would be. I would like all of the books in one place, and I need to divide between all of the chapters in the book. So I …

this is my program [CODE] using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { char[] d = new char[12]; string dd = "5Ed5v3a4r3d4"; for (int i = 0; i < dd.Length; i++) { d[i] = dd[i]; { if (d[i] >= …

I have made the JButtons just like Keyboard, which when the user type, then what he/she typed must be displayed on the textfield. And as the user press the keyboard, the colour of keys on the screen should be changed then go back to the original colour when the key …

Hello I have a class with an sql statement to return a list of customers from a postcode search from a database. Then on my form I am attempting to return a sorted list of these customers into a list box for selection. Could someone please tell me how to …

I had posted this before. But I am more on the right track. The places that I need help with have something saying like "need something here" or "need to fix the way it is displaying" I can't figure it out. I also am not sure if the multiplication portion …

Hello, I currently have 2 JFrames for my "game" (Not really a good one), one for the actual game and one for a minimap. What I can't figure out is that when you click off the game (for example to a browser or something) the game and minimap loose focus, …

Hi, I want to download multiple files from the server/web to the folder I choose before (I already know the exactly link and know parser), but I don't know how to "download a file" with Perl. So, anyone helps me how to download file with Perl (give me detail about …

Hi please help. Any help would be appreciated :D I have to write a program to read data from a large text file, analyze it, and output the results of the analysis to a data file. there are two data files to process. Problem: Using airborne sensors that record GPS …

Hi all, I'm stumped and can't seem to find an answer on Google. I am running a java application through Eclipse and it connects to mysql. It connects fine if I run it through Eclipse but if I make a standalone jar file and then run it through Window's Vista …

Thanks for reading. I installed VS2010 after a drive crash, prior I had VS2005 and everything was fine. Now on compiling a C++ app that was fine previously I am seeing a couple of errors which I just cannot figure out. Error 1 error C1189: #error : This file requires …

how can i know what type of drivers are used..type1 type2 type3 type3 type 4 ..some guys in my class do that..by just looking at these two statements...help me ..;) [CODE]Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); conn = DriverManager.getConnection("jdbc:odbc:bike","scott","tiger");[/CODE]

Hello, I currently have this code to buffer an image: [CODE] public void paintComponent(Graphics g){ Graphics2D g2 = (Graphics2D) g; ImageIcon icon = new ImageIcon("back.gif"); Image image = icon.getImage(); BufferedImage buff = new BufferedImage(image.getWidth(this), image.getHeight(this), BufferedImage.TYPE_INT_ARGB); Graphics2D b = (Graphics2D) buff.createGraphics(); b.drawImage(image,imgX,imgY,this); b.setColor(Color.BLUE); b.fillRect((window.getWidth()/2)-13, (window.getHeight()/2)-13, 26, 26); g2.drawImage(buff, 0, 0, …

I have two functions. One is supposed to fill in an array, and the other takes that new array, finds the lowest number in that array, and prints the subscript. int getNumAccidents(int acc[], const int size); [B]Fills array num_acc[][/B] int findLowest(int acc[], const int size); [B]Takes num_acc[], finds lowest value …

Hi Everyone, Can you reply with a tutorial and maybe a sample project that can be downloaded that shows how to update a database such as MS Access from DataAdapter commands in which changes are made in a DataGridView? For example, the DataAdapter contains 2 tables called FirstTable and the …

hi all and thanks for reading. Personally i thought i wouldnt be in the frame of putting up one of my assignments, as i can see where an opinion might be formed, over me trying to pull as fast one and get someone to code this for me etcetc etc..... …

Hi all, hope someone can help here, i cant seem to get this to compile. maybe im tired and have not looked at it, but its a bit like blind leading blind etc, meaning not sure what the error is referring to, i have enclosed an attachment image of the …

I am trying to write a C++ program that will list the perfect numbers between 1 and 1000. I also have to print the divisors to confirm the number is perfect. I started by trying to find the perfect numbers. Here is my code. Please help. #include <iostream> using std::cout; …

Dear all this program create a linked list of numbers while you dont enter 0. then bubble sort function is called and finally display function shows sorted list. I wrote it by Borland 5.02 . Have a good time!

Anyone know what association is in C#. Someone I know is mentioning it and I cannot think what it is. The only thing I can think of is it being a 'has a' relationship e.g... [CODE] class Student : BankAccount { } [/CODE] Even still..this would still be coded in …

hello, i am using the Graphics.DrawLine method in C# and this is fine for thin lines but for thick lines it draws really badly. i have sample code to reproduce the problem below. just create a new c# forms application and add a picture box to the form. make the …

I started learning assembly today and I copied and pasted a program that displays hello world. I tried to modify it to use C function system("PAUSE") and I made this: [CODE][section .data] hello: db 'Hello, world!',10,0 pause: db 'PAUSE',10,0 [section .text] global _main extern _printf extern _system _main: push hello …

Hey bit stuck trying to make a Factory which creates multiple objects e.g. I want 10 rabbits, 6 foxes, 4 dogs + more animals instead of three for loops like this one for(int i = 0; i < foxCount; i++) { Fox fox = new Fox(); } Is there a …

Does anyone here know what is wrong with my code here? I am trying to write a c# library for use in VB6. I think I have tried just about everything on google and still continue to get the message "ActiveX component can't create object". I am a total VB6 …

hi i am new to java applets...i am making an digital clock...this is my code...my prob is time doesn't change automatically....it has to be refreshed...pls see [CODE]package jas; import java.applet.Applet; import java.awt.*; import java.util.*; public class sd extends Applet implements Runnable { String am_pm="Time is "; Thread t=null; int state; …

I have to write this code for my homework assignment. I am in an introductory C++ class, VERY introductory. We had to write a blackjack game, but follow the book at the same time, I know there are many easier ways to do the things my code says, but we …

I have a problem that I am having trouble solving. I have a string of undefined length containing '0' or '1'. I need to convert this string to decimal... but I CANNOT store it in anything but another string. My issue is how to do this?! I have been thinking …

Hello guys I have spend nearly whole day to find this answer .. All i want to know , is what is an equivalent for this two simple to use functions from C . In C this is very easy , and i believe that user friendly Java will make …

Hello, I have a xsl file Here I have the HTML code to display a webpage, inside i have a table that fills the rows with data from an XML file. I created a link that has the href attribute filled with data from an element in the XML file. …

Here is the prompt of what I have to do: Overview In this assignment, implement a class called Complex, which will be used to represent a complex number. A complex number is one that is comprised of a real part and an imaginary part. It is typically represented in the …

Hello everyone I have the following situation with the background worker and hope someone can help me with this. 1.- i have a form and in that form I have the background worker. the methods doWork, Progresschanged, Runworklercompleted are in the form. 2.- when i star doWork, it executes a …

Hi, first of all I'm new at the forum I hope to help and be helped ;-). I'm trying to display the values inside an ArrayList on a JSP. I execute a PreparedStatement and I put all the values inside an ArrayList<HashMap<String, Object>>. Once, I have all the values inside …

Hey guys I have to create class diagrams for my software project and I was wondering what happens when there is no inheritance between my classes. I have five classes: Titlescreen, Program, Robot, Levels and Form1. None of these classes are abstract, they have no Inheritance between them, just Objects …

There is a database program for making invoice , its written in vb.net, there is no save option in that program, the programmer who designed it is not availble now... I want to add save button, the solution i have thought is to take the handle of the application and …

Hello to everyone, I have a program that gets some information from the user and updates the database. I also have two DataGridView, [B]OpenOrders[/B] and [B]ItemsInOrder[/B] When the user click on a cell in the [B]OpenOrders[/B] a [I]CellChange[/I] event is triggered and it updates the [B]ItemsInOrder[/B] grid view... Now after …

I have eclipse , jre and jdk in the same desktop folder but while trying to install eclipse it gives the error message that no JVM or JRE were found in the path C:\User\desktop\eclipse\jre\bin\jawaw.exe javaw.exe in your current path. Please help