Software Development Forum

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package progressbar; /** * * @author DEBASISH */ import java.awt.*; import javax.swing.*; import java.awt.event.*; import java.awt.event.ActionEvent; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class Progressbar { JProgressBar jprogressbar=new JProgressBar(); JButton jbutton=new JButton("Retrieve information"); …

Is exception handling useful in compile time errors logical errors and even runtime errors?

Hello. I've been working on this program that reads input from the user and attempts to put it in a file called profile.txt I've got it to work (I checked this by making it output the file to the terminal), and from what I can tell, it does create the …

Hello, I have a C file and .h file which i can easily compile on a 64 bit linux platform.( Through eclipse IDE. In the compiler option, i enable -std=c99. Now, with the same file, i want to compile it on c++ compiler. So i add extern c to the …

Hi, I have a MDIParent and forms that i want to show as child. But because each individual child performs heavy tasks I want each child to have it's own thread. here's what I am trying to do... [CODE] void showStartPage() { Form1 p = new Form1(); p.MdiParent = this; …

[CODE]#include <stdio.h> #include <stdlib.h> #include <string.h> void addToStart(); void addToEnd(); void printList(); void removeNodeAt(); void createList(); void menu(); int option; struct node { char cName [50]; int cNumber; char tDescrip [50]; struct node *next; }*newnode, *display, *temp, *list, *prev, *head, *tail; main() { do { menu(); switch (option) { case …

I have read other posting about this and I can not figure it out. Application runs fine on the computer that I used to create it. The application has 3 functions: Button1...locate and preview an image file. Button2...creates an email with html link...creates an html page file...ftp's the image and …

Is exception handling useful in compile time errors logical errors and even runtime errors?

Hi All, I have a folder, here's the folder tree: [CODE]\---DC20120127-00000831 \---PABO20120127000017 \---AT | V20.txt | V23.txt | +---2012033 | 00000002_00000000.tif | 00000003_00000000.tif | 00000004_00000000.tif | 00000005_00000000.tif | \---INVALID IMAGES 00000001_.tif 00000002_00000001.tif 00000003_00000001.tif 00000004_00000001.tif 00000005_00000001.tif[/CODE] I have coded a program that will compare if the total count of tif in …

Hello, I'm a beginner at Java and trying to get to know programming and one day work my way up developing android apps. Well I was trying make this program that would read in data from a txt file like this: [img]http://i42.tinypic.com/2vvkokj.png[/img] I wanted the firstname, lastname, id# and dob …

Hello! I'm trying to make a simple array that will increase its column size dynamicly and it will have 3 rows. On the 1st row i want the user to enter a name(aka char type) and on the other two rows i want the user to enter some float values …

I need help!!! im trying to get my sentinal to stop counting as my last value passed. Im imputting a value for a house,and its calculating a total price based on interest and stuff ive set up according to the house value. then pressing -1 to go onto the next …

Hi I'm trying to create an array of objects and then put a different value into each object. Problem is, I don't know why this isn't working. [CODE=java] public class TestProg2{ public static void main(String args[]){ Rank rank= new Rank(); } } class Rank{ private static int rankIndex=0; public Rank(int …

So i have implemented the following link list, but i just want to know if i can sort the link list. any help? [CODE] #include<iostream> #include"ll.h" using namespace std; // PURPOSE: contructor which initializes front and rear to NULL and count // to 0 LL::LL() { front = NULL; rear …

Hi, I need help with a program that you enter X and Y, and the program has to resolve a)X^Y *Y b)X/Y it most be recursively and only using addition and subtraction. For division the result most has 2 digits of precision but only using integer example INPUT OUTPUT X=1 …

[CODE]public final class SavingsAccount implements Serializable { /** * This constructor requires all fields to be passed as parameters. * * @param aFirstName contains only letters, spaces, and apostrophes. * @param aLastName contains only letters, spaces, and apostrophes. * @param aAccountNumber is non-negative. * @param aDateOpened has a non-negative number …

Hi everyone, I haven't really found much here on how to input into functions and I'm looking for more information on it. Basically my problem is this: I have to make a function that calculates feet into yards, and I'm trying to find out how to make it so I …

I have wrote this program in C++. But it doesnt have the output that it should. Instead of putting out +-++-+ it puts out ++-+++-+++++++-+++-+++--+++. That is just an example it will ofcourse have defirent output but it makes more characters then there is in the origanal string when i …

hey guys, I need a way to ftp a file from a server however i dont want to ftp all the files as there are some files that exceed 200mb what i need is to ftp a part of the file. in other words i would grep for a string …

Hi, I'm pretty new to Python. Working in 2.4 due to company restraints. I'm trying to use os.path.walk to work through a tree directory, and perform different actions on the files based on the name of the file. I thought if I used "startwith" it would indicate that files only …

Hello everyone some time we delete the files and folders but they cannot delete it say the file or folder use another system process or Access denied please help me and give me any code of vb6 i want to unlock files and folders Thanks

Hello. I compiled a basic GUI example written with Qt. When I run with valgrind, it tells that there is memory leak. It is stranger, because at each time I run the app, the number of malloc calls are different. Qt seems nondeterministic. [CODE] #include <QApplication> #include <QPushButton> int main(int …

I was trying to input strings into a structure I made, but I couldn't succeed. I use Visual C++ 2010 Express Edition. The code is this: [CODE]#include<iostream> #include<conio.h> #include<stdio.h> #include<string.h> using namespace std; struct schrec { char childname[20]; int childage; }; void main() { schrec record[20]; int n; cout<<"How many …

Hello. As the title states, i am unsure of which sort of loop to use in this case. my little program asks for the users input (into textbox's) the cost of a purchase and what they paid. the program is then intended to generate what change they would recieve be …

Hey there! I'm trying to write a program in C++ that will read information in from a file and then tell the user how many strings are in the file and the lengths of the smallest and longest strings. I know I can figure out the length of the strings …

hello.i have a homework in java wich asks to create this program: there would be n persons who are going to rate songs. for n persons we will ask their name,surname,sex and age.after this each person will rate(vote) with points the song we have given to them.there are 15 songs …

Hi! I am working on a program to count the number of characters and words in a text file. The counting characters portion works, but my countWords function displays '0'. I built the countWords function on the basis of my countChar function, but since it's returning zero I'm not sure …

Hi everybody, How can i find out if a number is prime or not ? For example : [CODE]#include <iostream> using namespace std; int main () { int number; bool isprime; cin >> number; /*algorithm .............. .............. .............. */ if (isprime == false) { cout << "Not prime"; } else …

The output is 2011. Can anyone plz tell me how it is so ????[CODE=c]#include<stdio.h> #include<conio.h> void main() { char c[]="GATE2011"; char *p=c; clrscr(); printf("%s",p+p[3]-p[1]); getch(); }[/CODE]

hi all. i haven't been posting cause i am working on a new programming language called perfect. it's derived from the aspects of many languages: python, C, VB, java etc. here is a sample of what the code is going to look like: [CODE] '''Compile with Perfect Compiler ''*' first …

#include<iostream> #include<conio.h> using namespace std; struct biodata { string fname; string lname; string mname; string address; string pbirth; string dbirth; string religion; string citizen; string civilstat; string gender; string email; }*student; main( ) { int n,i,xx,c,d,a=0,e=1; char b,y; cout<<"how many records?"; cin>>n; cin.ignore( ); student= new biodata[n]; for(i=0;i<n;i++) { cout<<"\nLast …

Stuck again, this time my problem is getting the dictionary to be sorted in ascending order. Please Advise! the following is what the task says: """ A sparse vector is a vector whose entries are almost all zero, like [1, 0, 0, 0, 0, 0, 0, 2, 0]. Storing all …

Write a program to accomplish the following tasks: 1. Generate arbitrary number of random integer numbers between [0-100] 2. Save or load the numbers from/to a text file based on user option 3. Search the generated list for an arbitrary number entered by a user 4. Use Linear and Binary …

I could get this binary search to work... no matter what number i enter it will say "not found" even if its in the array; until, i sorted the array before searching. So, when making an array to search, i always have to sort it first? [CODE] #include <iostream> #include …

[CODE]import java.lang.*; import java.io.*; import java.util.*; interface Batm { final static int minbal=500; abstract void withdrawl(); } class Bal implements Batm { int amt,cbal; Bal(int amt,int cbal) { this.amt=amt; this.cbal=cbal; } void withdrawl() { if(cbal>minbal) { cbal=cbal-amt; System.out.println(amt+" "+"withdrawn"); } else { System.out.println("bal nt sufficient"); } } } class Atm …

Hello I have made a smal databas but some where I have got a error when I add a name surname (jones), forename (roger), phone 34567 it is ok but the problem is that when I edit another one with same surname(jones) and a different forename (david) same phone then …

Hello, I have this code: [CODE] #include <iostream> #include <string> void main() { std::string a = "Sample"; printf("%s", a); std::cin.get(); } [/CODE] and it prints some I think random letters. Where i made mistake? And how should i change the code to write "Sample"? Thanks for answers and sorry for …

Hi All, I'm having a problem with this one. This is my directory tree: [CODE]MAIN FOLDER -Second Folder -Third Folder -2012011 (folder) -INVALID (folder)[/CODE] My input path in FolderBrowse is MAIN FOLDER. Now I used the code: [CODE]MsgBox(IO.Directory.GetDirectories(myFolder, SearchOption.AllDirectories)(0).ToString)[/CODE] It throws an error. I just want to process the 2012011 …

bonjour, j'ai un probléme de compilation concernant un projet,malgré que j'ai un main class voici les erreurs: run: java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory at com.anthonyeden.lib.util.XArrayList.<clinit>(XArrayList.java:86) at com.anthonyeden.jnm.JNM.<clinit>(JNM.java:174) Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) ... 2 more Could not find the main class: …

Hello This is my first post so I’m sorry if I ramble and don’t explain my issue clearly. I am binding a dataset (dsTest) with a table called “TempResult” to a datagrid (DatagridView1). The purpose of the datagrid is to display test labels (set elsewhere in the software) and to …

Hi everyone. Suppose I have my database in postgresql, with around 100 tables. I would like to know if there is any way to know which table(s) is affected after running a specific query. For example, if I add a new row, that software for example, should be able to …

I want to run a multiline AppleScript command from a Python script. For a singleline command I can do: [CODE]def stupidtrick(): os.system(cmd) cmd = """osascript -e 'tell app "Finder" to sleep'""" stupidtrick(); [/CODE] however I want to run multiline commands, (such as with multiple 'tell' statements, as in [ICODE]tell application …

Hi guys, Recently I have been trying to make a program, and Im stuck. I am trying to create a login function where by the first time a user logs in, their username and password are encrypt and placed in a file. Then each time that user logs in, the …

Hi ALL, Can any one suggest me on below requirements with less memory and cpu time. I have used below code and seems it is not efficient for huge files. fgrep -v -f file2 file1 >file3 This will output file3 containing all lines from file1 that are not in file2. …

i am a c++ beginnner nd i am not getting the point why class is defined before main()function i.e globally:-O

when i run my source code on winows xp then progress bar work fine but on linux it just stuck and not run at all, My Code is as follows [CODE]import java.sql.Connection; import java.sql.Statement; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.sql.DriverManager; import java.text.DateFormat; …

Friends i want to submit project in my college on employee management system.... front end should be c# and back end sql server 2008... i got one project on net but its backend is microsoft access I want to change this to sql server 2008.... what changes i have to …

Hi, I am trying to add buttons to a Panel which is located on JFrame after the JFrame has been set to visible. My aim is to be able to click "File --> Load" then have it loop through a folder of images, creating buttons which have the images on …

I just started learning python and decided to try and put what I have learned to use in a program and I am having issues with the math I believe. Any suggestions? [CODE] print ("Lets get some utlities information") rent=input("What is your monthly rent: $") pge=input("Estimated PG&E Bill: $") water=input("Estimated …

Good Everyone. I have added 2 more column for supervisor and manager for verified.Once engineer done the work he will select done from dropdown column.supervisor verified engineer's "done" work. ALTER TABLE [dbo].[Record] ADD CONSTRAINT [verify] DEFAULT ((0)) FOR [VerifiedbySupervisor] ALTER TABLE [dbo].[Record] ADD CONSTRAINT [mgr] DEFAULT ((0)) FOR [VerifiedbyManager] GO …