709 Topics
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| | Hi everyone, I am doing a program here to ask question about alphabet, and i am only in the middle of it and i face some problem that i really cant solve, need some help here... ok the problem is, for(int j =0; j<20;j++), in output, the 1st jlabel.setText(j) is … |
| | OK I'm not really sure how to put it but I will try my best to explain my question. Basically I am really lost when it comes to arrays and for loops, so I need help badly. I have in my HTML Form about 20 checkboxes like this: [CODE]echo "<input … |
| | Hey guys, I'm creating a Maze class along with a client class where it allows the user to input a direction (U/L/R/D), and then the validity of the move will be returned as well as the new position of the maze. So far, I've got this, but when I try … |
| | The code below is the file for the constructor method and the get methods [code] //Date: 3/18/2010 public class Taxpayer { private int socSec; private double yearlyGross; public Taxpayer(int taxPayer, double income) { socSec = taxPayer; yearlyGross = income; } public int getSocSec() { return socSec; } public double getYearlyGross() …  |
| | I'm a CS student and am trying to construct a sort of mathematical/algorithmic club/society. I already have a few willing students/TAs/Professors but sadly almost all students don't understand the importance of math to computer scientists. So we are trying to spread awareness first through a few presentations and seminars. Besides …  |
| | [code] //Date: 3/17/2010 import java.util.Random; public class Bingo { public static void main(String[] args) { Random bingo = new Random(); for (int i = 1; i <= 50; i++) { System.out.println("Card #" + i + "\n********"); System.out.println(); for (int j = 1; j <= 24; j++ ) { int bingoNum; … |
| | [code] //Date: 3/16/2010 import javax.swing.*; class PizzaChoice { public static void main(String[] args) throws Exception { char[] whatSize = { 'S', 'M', 'L', 'X'}; char size; double[] sizePrice = {6.99, 8.99, 12.50, 15.00}; int s; System.out.println("What size do you want?"); size = Character.toUpperCase((char)System.in.read()); for (s = 0; s < whatSize.length; … |
| | this is my code for a simple link list...i cant solve the problem of the while loop.it is only working for "1".and i cant swap two nodes in the list and cant insert nodes in a given position...how can i do those???plz help....[CODE]//Pirate™ #include<stdio.h> #include<string.h> #include<stdlib.h> struct list_element { char …  |
| | Ok, so I'm having a bit of trouble with understanding how swing interfaces work. Here's the problem. Write a Swing program that declares an empty array of grades with a maxium of 10. Implement a JOptionPane input box within a while loop to allow the user to enter grades using … |
| | I'm trying to populate the items of a foreach-element in a JSP page. [code]<c:forEach var="request" items="${manageSchedulesBean.userController.getRequestsBySchedule[schedule.scheduleId]}">[/code] Gives me: org.apache.jasper.el.JspPropertyNotFoundException: /secure/manageSchedules.jsp(40,36) '${manageSchedulesBean.userController.getRequestsBySchedule[schedule.scheduleId]}' Property 'getRequestsBySchedule' not found on type $Proxy8 the called function exists, and when i cann manageSchedulesBean or userController, there is no error. Someone got a clue? |
| | Hello..Im trying to read the HTML from a URL and I threw in yahoo.com as a test...for some reason, "n.readLine()" is coming back as NULL and the while loop fails...and ideas?? thanx [code] <%@ page import="java.io.*" %> <%@ page import="java.net.*" %> <%@ page language="java" %> <%@ page import="trader.webservices.util.Utils" %> <%@ … |
| | Heyah Does anyone know how can I change the bacground color of my textfield by using : the commands if & else It's for one of my school assignments but I really can't get to solve it by myself i searched through web but nothing :S We must use the …  |
| | Hello, Can anyone help me solve the error in this program?? I get the following error: [COLOR="Red"] Exception in thread "main" java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(Unknown Source) at java.lang.Integer.parseInt(Unknown Source) at java.lang.Integer.parseInt(Unknown Source) at converter.main(basic_convert.java:20)[/COLOR] The whole program runs properly. The error come after asking if I want … |
| | Sorry for disturb you all, but a I'm newbie..because my teacher give a assignment.. this my assignment.. [B] Machine Problem[/B] 1. Make a C program that will display "I will pass PRGLF" on the center of the screen. 2. Design a program in C language that will display "#" at … |
| | Hi I'm currently stuck in an infinite loop because of the code I've written and i can't stop the code, close excel etc. Basically the code runs after a cell change, displays a msgbox and then causes itself to run again, and while this is happening i can't do anything … |
| | Whenever you hear the word recursion, factorials or Towers of Hanoi are never far away. Well here they get mentioned, because we are not going to talk about these guys at all! Iteration and recursion are in fact quite similar: they both loop until a certain condition is met. As … |
 | Hello Every on i have wrote some scripts for my website and i am getting Undefined variable Notices on a couple Variables like exampled below [CODE] $i = 0; foreach($value as $row) { $content .= "<option value=\"".$i."\" ".$selected.">".$row."</option>\n"; $i++; } [/CODE] now every time i view the page with the …  |
| | hi im trying to create a C# program that'll display * ** *** **** *** ** * type pattern but i can only get mine to look like this when i try to add on to the code * ** *** **** and then it stops. can anyone help on …  |
 | Hi all, I have seen code of the form: [code=php] if(file_exists("foo.php") include("foo.php"); else include("blah.php"); [/code] As far as I know, this is perfectly legal in php. What I was wondering was is it possible to do the following in in-line code in PHP? [code=php] if(file_exists("foo.php") // contains a specialised version … |
| | Hello Guys, I am trying to code this assignment below but I can't seem to get the running total stored for each user that I have listed below(A, B, E). Can someone guide me on how I can store the running total for each user so that I can have … |
| | Okey, so what I'm trying to do is to set about 5 labels to visible using a for loop. [CODE] int nr_bokstaver = slutt_losning.Length; for (int index = 0; index <= nr_bokstaver; index++) { label+index.Visible = true; }[/CODE] I want the name of the label to change according to the … |
| | In computer science, an LR parser is a parser for source code written in a computer language that reads input from Left to right and produces a Rightmost derivation. The term LR(k) parser is also used; where the k refers to the number of unconsumed "look ahead" input symbols that …  |
 | Hi guys: The following code is supposed to the following: 1 - Receive a random number and divide the number by 1000 2 - Then it needs to check if the number is greater than the series number and the cut point and convert the divided random number to either … |
| | CSCI 1170: Open Lab Assignment #5 Program due: Thursday, Oct 29, 2009 at midnight as the day turns to Friday Oct 30, 2009. Professor: c8296800 code: ola5 Purpose of this assignment: The purpose of this assignment is to understand the while loop programming construct. This assignment will let you 1. …  |
| | hey i tried to make a program to find an item in an integer array using binary search technique n by iteration with the help of functions...but i am getting errors....so plz help me out..  |
| | I've just started started socket programming so there's a few things I'm wondering about: I found a set of socket programming codes here: [URL="http://cs.baylor.edu/~donahoo/practical/CSockets/textcode.html"]http://cs.baylor.edu/~donahoo/practical/CSockets/textcode.html[/URL] And the thing I don't really get is here in TCPEchoClient.c: [CODE]while (totalBytesRcvd < echoStringLen) { /* Receive up to the buffer size (minus 1 to … |
| | hey m a new user so didnt knw it... nywyas here's the program i made.. /*A PROGRAM TO SEARCH AN ELEMENT IN 1D ARRAY USING BINARY SEARCH USING ITERATION*/ #include<stdio.h> #include<conio.h> void binary(int array[],int n,int ele) { int beg=0; int end=n-1; int mid; mid=(beg+end)/2; while((beg<=end)&&(array[mid]!=ele)) { if(ele>array[mid]) beg=mid+1; else end=mid-1; … |
| | Please help me with this assignment as well, because I am receiving a error when Running the application. The error I am receiving is: Exception in thread "main" java.lang.Error: Do not use Stock.setLayout() use Sto ck.getContentPane().setLayout() instead at javax.swing.JFrame.createRootPaneException(JFrame.java:458) at javax.swing.JFrame.setLayout(JFrame.java:524) at Stock.<init>(Stock.java:50) at Stock.main(Stock.java:36) Press any key to continue …  |
| | I must write a interface to enter course information for transfer students. The created data file should be sequential in nature, with the student's name, his/her ID number, the course number from the previous college, and the accepted course number at the current college. The code I wrote so far … |
| | My teacher wrote this code. i am having trouble understanding what is going on in the code. can someone please help me by commenting in the program if you can tell me the importance of the functions and how everything works. please help me.... i'm a noob programmer #include <iostream> … |
| | //Binary Search Tree Program #include <iostream> #include <cstdlib> using namespace std; class BinarySearchTree { private: struct tree_node { tree_node* left; tree_node* right; int data; }; tree_node* root; public: BinarySearchTree() { root = NULL; } bool isEmpty() const { return root==NULL; } void print_inorder(); void inorder(tree_node*); void print_preorder(); void preorder(tree_node*); void …  |
| | To begin, we were asked to make a TREE... It says that we should traverse the left subtree of the ROOT/NODE in postorder and then make a copy of it... Next is to traverse the right subtree of the ROOT/NODE in postorder and then make a copy of it... Lastly, …  |
| | I need help once again. I am new in this course and are still battleling with some of the work. I wrote a code for Displaying Stock Information, however it's giving me a error. Please help? /* Chapter 8: Programming Assignment 9 Programmer: T. du Preez Date: September 20, 2009 … |
| | I'm a noob when it comes to C programming. I wrote a simple program that runs an infinite for loop. But inside that loop I wanted to create another loop to stop the user three times after entering incorrect passwords. I tested from different angles it seems like the infinite … |
| | [CODE]#include <iostream> #include <cstdlib> using namespace std; const int arrSize = 100; bool isPresent(int ,int ); int main() { int myArr[arrSize]; int input; for (int i=0; i<=arrSize; i++) myArr[i]=rand()%200; //creating array with random numbers //sorting random numbers for (int j=0; j<=arrSize; j++){ for(int k=0; k<j ; k++){ if (myArr[j] < … |
| | I am trying to write a code for the following: Write a Swing program that declares an empty array of grades with a maximum of 50. Implement a JOptionPane input box within a while loop to allow the user to enter the grades using a -1 as a sentinel value. … |
| | This is suppose to be a simple selection sort but I think I'm missing something because my output isn't completed sorted right. [CODE]void SelectionSort(data list[], int length) { int index; int smallestIndex; int minIndex; data temp; for( index = 0; index < length; index++) { smallestIndex = index; for(minIndex = … |
| | Hello, I am a python newbie and I am trying to accommodate to the basics. What's the python equivalent for the following Java snippet ? [B]Java:[/B] [CODE]public class Main { public static void main(String args[]){ int a,b,c; a= (int) (Math.random()*100); c=0; while((b=(int)(Math.random()*100))!=a){ c+=1; } System.out.println(c); } }[/CODE] I was trying … |
 | This quicksort implements the basic recursive algorithm with three improvements. The first improvement is choosing the pivot based on the median of three values in the list to be sorted. This minimizes the chances of a worst case scenario. The second improvement speeds up the algorithm by termination when subfiles … |
| | Ok, I have been busting tail trying to get this simple project done. Lesson learned is do not take a break from course work during the summer, my lack of fundamentals at this moment is tear me apart. I am determined to finish this project ahead of time to finish … |
| | I wrote this program back in high school 10 years ago and I found it today. I'm getting back into programming and I'd like to get it working again, some of the headers are deprecated which I tried to fix, and I was using borland c++ and now have Dev …  |
| | I'm working on learning on programming with Pygame by following a tutorial linked from the Pygame site. I seem to have stuck myself in a hole, however, because I can't seem to set keys to do different things within the program. I'm trying to first close the program by pressing … |
| | I was asked for my AP Comp Sci online course to construct a program that would calculate fahrenheit to celsius and vice versa, the volume of a sphere given the radius, and the hypotenuse of a right triangle given the two other sides. I was given a program to work … |
| | lemme preface by saying I have read the homework sticky, am not looking for someone to just give me an answer...more then anything I just want to understand this stuff...just am not looking to step on any toes and wanna make sure that's clear, and that I hope someone can …  |
| | Hi, I've been programming a lot of c code, and now I'm trying to set my mind into the c++ way of doing things. so I'm trying to avoid pointers, and use refs instead. As far as I understand pointers are to be avoided using stl's for instance. I have …  |
| | I am trying to understand COM memory layout and using C++ classes just confuses me. In general I understand what is going on with the double indirection of function pointers but as so often is the case in programming one must understand the ugly details – not just the generalities. … |
 | [b]This is a long post with no specific questions as such. I'm just looking for any advice from people with real-life experience in the software development arena.[/b] ---------- Intro: I've just taken up a summer job, and I was really enthusiastic about this. It will be 12 weeks of C++, … |
| | Howdy all. I'm only in college for programming and am only in the my 3rd month of C++, and I'm working on a program now, just for fun and practice, and need some help. I'm making a MineSweeper game that will run in Command Prompt by making a grid of …  |
| | Hi Everyone; I have a Statistic project. There i must calculate random samples, samples mean values, Construct Histograms, Construct confidence intervals for each sample mean etc.. I want to ask you that which programming language is suitable for this project to be coded. C, C#, C++ or any else programming … |
| | Hello, Im new to Java Programming, and Im trying to create a Web Applet of a Income to Debt Ratio calculator. I think Im missing a Math code, because when i run the applet everything works except the when I click calculate it says my debt to ratio income is …  |
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