Software Development Forum

Anybody know how to have a power factor in text.. 100 m2 etc.. is it a unicode character? thanks

Hi, I am a new Java Programmer.could you help me in resolving this. I am trying to created a JPanel withing a main JPanel. For the nested one, i have included Grid Layout and i am trying to add components to it dynamically. i.e i have added a combo box …

Hey so Im a beginner, and I need some help. My professor gave us this code: def average(list): total = 0.0 for number in list: total += number return total / len(list) Then, he asked us to rewrite that program so that it uses a while loop instead. So far …

Before you read this, please don't say how I could make this better, I've thought of it, or because of the circumstances, it's not possible. I'm having a problem where when I input a command into the Runtime class's exec function, it doesn't run. When I try the exact same …

import javax.swing.*; class ch9reverse{ public static void main (String [] args){ int Character, count = 0; char letter; String Str; Str = "The gate to Java nirvana is near"; [COLOR="Green"]For this must print out the "ehT etag ot avaJ anavrin si raen[/COLOR] Character = Str.length(); System.out.print(reverseString(Str));

Hello guys, I have a small problem, and searching for solution. I am trying to write program that will write all numbers from 00000000 to 99999999 into txt file. Result in txt should look like this 00000001 00000002 00000003 So, how can I do this? Thanks

I'm working on a project and i'm having a bit of trouble. the basic idea is to make an employee database using a basic structure. the program is to have 3 files and in the header file the professor wants the function prototype to be: [CODE]int addEmployee (struct employee *, …

[B][I]This it only for people who are running a DUAL Monitor system.[/I][/B] I wrote a sample program to display what occurs. No matter which button I click on (Primary Display OR Secondary Display), the JOptionPane will pop up on the Primary Display. What I would like to happen is... If …

Hi Everyone, I am trying to call a function after every T secs . When i use time.wait() , the app hangs, i do not have control over the app. For now , this programs will do the process once , and then after T secs . But i do …

Hi all! I am in the beginning to mid stages of my project. It's an autobody program. You get the calculations when you click Calculate. However, I can't seem to get the hours of labor box to compute to the correct amount. Whenever I put something more than 1 hour, …

The program should simulate rolling of 2 dice and add the sum of the 2 dice after they are rolled for 3600 times. Their sum ranges from 2-12. The frequency should be tallied in this order for eg when sum =2 freq =.. when sum =3 freq =.. etc This …

Okay Ive got a Huge problem something that my current Programming skills will not be able to fix. Ive got a Program and a text file , this text file gets load into the list box but that's not the problem. The problem is that when i make the text …

Hi Guys, I need Some help in validating a particular coloumn in datagrid for duplicate values before inserting into database.Im using datatable. Please help with some example code.appreciate our help. regards, vamsee

I'm currently working on a program which is pig Latin. It allows a user enter a sentence. The program would take the user input and change every word in to pig latin which it takes the first character of a word and add it to end of word with "ay". …

I'll try to keep this simple, i have an abstract class called Shape (Shape.h) which has a few pure virtual functions, cool. so I have another class called Circle (Circle.h and Circle.cpp) which extends Shape. here's the code. (In Shape.h) [CODE]#ifndef SHAPE_H #define SHAPE_H #include "Point.h" class Shape { // …

Hello, I'm doing a project where I need to see which number matches to a list of letters in the alphabet. Currently I have the output as: [code] A= 5 A= 8 B= 9 B= 2 C= 0 C= 3 D= 6 D= 4 E= 1 E= 13 F= 0 …

My code complies fine but freezes when i try to run it. I Believe the error is somewhere between lines 82-115 [CODE]#include <iostream> #include <fstream> #include <string> #include <iomanip> #include <cmath> using namespace std; struct domList { string domName; string ipAddress; int counter; }; void insertOne(domList list[], ifstream& inFile, int …

Ok so I'm working on an assignment for my CS class. One of the methods needs to check that a string is a valid input and the easiest way is to use the .matches method. my method is [CODE] static boolean validateCourseId(String courseId) { boolean valid = courseId.matches("^CS [1234]\d\d\d$"); return …

I have a error with a nodeType. I believe it is just one line. The error says "[Linker error] undefined reference to `insert(nodeType*,std::basic_ifstream<char,std::char_traits" and "Id returned 1 exit status" This line is the part of code that i believe is wrong. [CODE]nodeType *insert(nodeType *list, ifstream& inFile);[/CODE] [CODE]#include <iostream> #include <string> …

I'm new in VB programming I did wrote this code so far but for some reason the senior does not calculate. Any help will greatly appreciate. This is what I'm trying to accomplished. "basic monthly cost of a membership is $100 for adults and $75 for seniors. Members must choose …

i have been asked to create a method that is capable of inserting a "Person" class into an ArrayList of persons. but all it says is that the types are incompatible. starting to think that the add method might not work in this situation. any advise would be greatly appreciated! …

well here is something interesting: How many calculations, math, movements, assignments, can I do in the glbal area? EX: [CODE]Header/using blah int vap = 7; int pav =2; int sasd = 0; (sasd=(vap*pav));[/CODE] Would the last line work? Or do I have to declare a vareable to do any math/calculations? …

Okay I am fine tuning my program and would like to have a new JOption Message appear when a particular input is caught and have the exception message thrown. I am trying to get my input to come from my combo box but getting the cannot find symbol message". Am …

Hello, My application has a simple textbox for user input, a database connection, a button and a label. I will search for the user input in my database and update the label when the user clicks the button. This works fine on the first button click but ceases to function …

I have a Problem with my Modified Event As you can See ! i know My declarations are Private I tried Some thing still didn't work So what i want to do as you can see is that if the save button was not clicked then it would check if …

[CODE]package aster; import java.util.*; public class master{ public static void main(String[] args) { ArrayList<Object> arl=new ArrayList<Object>(); Integer i1=new Integer(10); Integer i2=new Integer(20); Integer i3=new Integer(30); Integer i4=new Integer(40); String s1="tapan"; System.out.println("The content of arraylist is: " + arl); System.out.println("The size of an arraylist is: " + arl.size()); arl.add(i1); arl.add(i2); arl.add(s1); …

Hello All i am trying to compile a simple code for the strtok but getting the error as segmentation fault ( core dumped ) .. any help would be appreciated. [CODE] #include <stdio.h> #include <netinet/in.h> #include <stdlib.h> #include <string.h> main() { char *test="asim.nazeer.helo.me"; char *rsl=strtok(test,"."); //while(1) //{ printf("%s",rsl); //} } …

Hi guys I have a standard scoring algorithm but I need to help on a piece of code to only execute the scoring algorithm at certain times. I want it to be triggered by dates, but the problem arises if the program is used after 2 (or more) dates have …

I'm trying to determine the minimum range of floating-point types. It's easy when using values from standard headers: [CODE]#include <stdio.h> #include <float.h> main() { printf("Minimum range of float variable: %e\n", FLT_MIN); printf("Minimum range of double variable: %e\n", DBL_MIN); return 0; } [/CODE] This code gives the following output: Minimum range …

hello people is anyone of you able to tell me the heuristic i can choose in order to allow my robot to move from the doo to the issue in a labyrinth ?

So here's Wat im trying to do Ive got 2 List boxes 1 Shows Processes other one is for Storage Anyway that's not important Im trying to Kill all the Processes wat are stored in Listbox 2 I had to add .exe at List for Listbox 2 But still not …

Hi Ive currently got a problem with my code, its meant to step through the array and search the array. For some reason it only does the 1st line of array, it wont go through the rest of the array. The problem with that line of code is that it …

I am trying to find the longest common prefix of two words entered by the user. I don't understand what is going wrong. I keep getting this error when I compile: [CODE]prefix.c:11:13: error: expected declaration specifiers or '...' before '(' token [/CODE] And this is my code: [CODE]#include <stdio.h> #include …

Hey all, I have a question how would I go about perform a comparion for two boxes. I would have to find the length, width, and height of both boxes and compare the volume of them to see which box would have be larger.

I am having troubles figuring out how to extract a minimum and maximum number from an Array. This program allows a user to input up to 12 assignment grades and then my array gathers those grades and displays them in the output box. I just also am required to display …

I have a orpaned case error and im not sure where i am missing anything. Probably just needs another set of eyes to find it. thank you in advance Here is the error code : C:\Users\winte497\Documents\FSMValue.java:109: orphaned case case 6: if ((ch >= '0') && (ch <= '9')) Here is …

Hi guys, I have a total of 72 link labels on a form and I want them to do a similar task. Is there a way to accomplishing this without writing each labels individual code? Example function of the link label [CODE] Private Sub LinkLabel1_LinkClicked(ByVal sender As System.Object, ByVal e …

Hi, DaniWeb forum members! I am an above-amateur programmer and this is my first more complex SDL-based program. I am trying to make the menu of a game, but SDL cannot capture the key presses when a single key was pressed. I use only UP and DOWN arrows, in this …

So, Ive created a UI in console. No questions as to why. But anyways, It used to be just a simple array, but I decided to make it with vectors both to improve my skill with them, and to make its size dynamic. Dont mind the mess of code here. …

found it

Hello people I have a JFrame which container is a JPanel: can you give me a piece of code that shows how to create a grid of rectangles ? I need this information for my poject Thank you

Hi, DaniWeb I'm having problems with the insert: (This is the login code, i can't open the register form) [CODE] Imports MySql.Data.MySqlClient Public Class Login Dim server As String = "Server=localhost;Database=escola_musica;Uid=root;Pwd=;" 'Dim server As String = "Server=localhost;Database=esola_musica;Uid=root;Pwd=;" Dim con As New MySqlConnection Dim da As New MySqlDataAdapter Dim sql As …

i want to be able to treat contents of a file as an array and traverse through it that way without having to store them in an array,can i do that?if so how?

Hi all, I have a datagridview with a set of rows which look like [CODE] no. name value 1 X 1 2 X 1 3 X 2 4 Y 1 5 Y 1 [/CODE] Now I want to filter the datagridview by value with respective to name and show only …

For example on any tinyurl/ajdeijad link (this one is fake), the link redirects to another url I cant grab the whole response because it is 200 MB- what can I do to JUST GET THE URL Here is my code: [code] Dim request1 As HttpWebRequest = DirectCast(HttpWebRequest.Create(urlvimeohd), HttpWebRequest) request1.UserAgent = …

Hello daniweb chums I once again cannot seems to get a simple bit of text box validation working I am trying to detect if a first name entered contains a number by converting the text box text into a char array and then convert each character entered (using a for …

Can I add number's up in a column in listview? Thanks Experts, Kanyonb38

Hi guys, Could some one please help me in validating a datagrid coloumn..,i want only alphanumeric values.,symbols like -,+..etc were not allowed..folliwing is the code wht i have.,but it allows only alphabets but not numerals.. [CODE] If Char.IsDigit(e.KeyChar) Or Asc(e.KeyChar) = 8 Or Asc(e.KeyChar) = 46 Then If Asc(e.KeyChar) = …

Hi Friends, I need ur help..I have finished my proejct in vb.net with access database. could u please help me in making an exe for this with database.. please help..

I made a program to find primes, but it can't find any prime less that 7(e.g. 2, 3, 5) any ideas? [CODE]import math from math import sqrt x = 1 y = raw_input("What number do you wish to find all the primes below? ") y = int(y) while x < …