Software Development Forum

Hi, is there any way to return the array from the Checkgpa class back into the Gpa class for an output? I am still new in this topic. [CODE]public class Gpa { private String name; private char result; private double gradep; private int num, sem, ch; public Gpa (String na, …

i have a form with a listbox. the listbox can be edited (things added/deleted) and when the form is closed i would like the items in the listbox to be saved when the red "x" in the top right corner is clicked any ideas?

[code]for(int i=0;i<=c;i++) { l=0; if(strcmp(findedge(tst[i],dfa[0][j]),"null")!=0) { strcpy(t1,findedge(tst[i],dfa[0][j])); //l=strlen(temp); strcat(temp,","); strcat(temp,t1); //temp[l+1]='\0'; //temp[l]=','; } } [/code] When I try to append comma or some other symbol to temp, a segmentation fault occurs. If that step is omitted everything works perfectly. This is code is from my program to convert NFA to …

I'd like to ask the user if he/she wants to rerun a script. I've thought of doing that with a while. My problem is that both [CODE] import sys rerun = "y" while rerun == "n": sys.exit() else: print("do some stuff") rerun = str(input("Would you like to start again? [y/n]: …

hi i work on project in java and i use tcp and after that i almost finish the project then i have to create an applet and the applet doesnot work with tcp so what can i do i need any help?

I have this problem that I am working on for class, I don't have the method calls in the main mostly because I'm not sure how to use them. I guess my question is what am I missing and what do I need to change to get this to run …

Hello, I'm back again with the same code however I have tried everything and I am still stuck. The message box works, and all of the values are correct but the last value. I would rather not change the message box code, but maybe just the last line where the …

is it possible in C to do an unfix size array like in Java ? if so, howto ? thx guys Dark

Hi, I want to filter .BMP image with 3x3 digit matrix. Basicly it is multiplying image pixels by numbers in matrix. Any suggestions how it should be done? I know that i have to open a file using fopen() I did that. Should I just loop through whole image and …

This is my login form [CODE] Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim con As New OleDbConnection("Provider=Microsoft.jet.oledb.4.0;data source=C:/Users/Space Era/Documents/User.mdb") Dim cmd As OleDbCommand = New OleDbCommand("SELECT * FROM Users WHERE userid = '" & TextBox2.Text & "' AND password = '" & TextBox1.Text & …

I'm having some problems when trying to set a panel within my JFrame to visible when someone either presses enter or clicks the JButton within my two methods shown in previous post. I am getting the following error: Cannot make a static reference to the non-static field Interface.panel. The code …

Is this a real class? I am working through a Deitel book, and they use it, but my program does not recognize it. I am importing the same libraries as the example in the book.

hello m new here starting java can anyone guide me how ti initilize array of objects in java em receving java.lang.NULL pointer exception ` choice=Integer.parseInt(JOptionPane.showInputDialog(null,"Enter choice"));` Patient pati[]=new Patient[49]; if(choice == 1) { pati[i].setdata(); pati[i].showdata(); count++; } if(choice== 2) { pati[count].update(); pati[count].showup(); } }while(choice!=3); }

hi hello! im planning to do a payroll system for our defense project,im a beginner and i want our program to be more complicated in a way that we can still be able to explain it. I want our program to be able to have multiple input boxes, because the …

i store student information(name grade mark) in database....how to print student who score less than 50.0 mark and who score A ,Compute the average mark of students in the class, number of students who scored less than 50.0 marks,Print out the information for all ten students and Given a student …

I have two forms; I'll call them frmReturn and frmReturnItem. FrmReturn is bound to data in a SQL table; data entered in frmReturnItem is stored as a child table in SQL. In the database, there is a one-->many between Return and ReturnItem. frmReturnItem can be opened only from frmReturn. frmReturn …

Hi, I've got two tables ina database which I'm trying to update at the same time. I'm using the code below to update: [CODE] Conn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=KingfisherDB.mdb;") Conn.Open() 'Define data adaptor and fill data sets DA = New OleDbDataAdapter DS = New DataSet Cmd = New OleDbCommand Cmd.Connection …

Below is the code I have been working on in VB.NET What basically happens is that when the user presses the calculate pay button, a message box is supposed to appear with all of the information in it, however the error comes up with: 'InvalidCastException: Conversion from string "Total pay: …

In your opinion what is the fastest c++ compiler? I have found the gnu's compiler on my schools linux machines tobe very fast but i personally prefer the windows enviroment, is there any fast compilers for windows , something faster then g++ and mingw?

hey guys i just started using C# im trying to change the backcolor when the mouse if pressed and moved, it works fine when the window is small, however when i maximize the window the colors stop changing and keeps on crashing saying that Color.FromArgb(x,y,g+=1) cannot exceed 255,i tried preventing …

Hi frnds!!!!!! Am trying to crop an image using java.. If I draw a rectangle on the image it ll crop the image in the given level.. My code does it but the fact is, it is not cropping the actual part which we selected..This is my code.. [CODE] import …

[B]Hi, guys can you help on how to make a program which hotel management system using C++? I don't know where to start or could you pls post the source codes in a simple structure so that I can understand it easily I am an I.T student here in the …

I'm working on a Palindrome program. For some reason, my compare method always return zero. "c" should suppose to increment 1 when both letter are the same, but my method would not increment 1 when the letter are the same for some reason. I'm not sure where is the problem. …

im writing a chat server in c and am need help. my server can write to a socket, the client can read from the socket. How do i have the client write to the socket and have the server read from the client socket? server.c [CODE] #include <stdio.h> #include <unistd.h> …

Dear All, I have a function with input parameter as const u_char *p. So when I write like this printf("\n\n Char value p : %.2x",(unsigned int)p[1]). It gives me a hex value. How to print the whole p value which method is best to use. I need to analyse it …

Hi! Please help me with my search functionality...searching using textbox and retrieving the data into a listview. here is my code: [CODE]openrstJCcaseInfo "select * from JCcaseInfo" If Not rstJCcaseInfo.EOF Then caseinfo.ListItems.Clear Dim m With rstJCcaseInfo While .EOF = False If LCase(txtsearch.Text) = LCase(rstJCcaseInfo.Fields("CaseTitle").Value) Then Set ls = caseinfo.ListItems.Add(, , rstJCcaseInfo.Fields("CaseStatus").Value) …

How do you make shadows in OpenGL. I have been using the NeHe tutorials, but I do not understand their shadow lesson. Can anybody help?

[CODE] // a code to produce matrix style affect #include "stdafx.h" #include<iostream> using namespace std; int modulus(int Number, int number); char getchar(int lowerlimit, char a, int upperlimit); int modulus(int Number, int number) { int q=Number/number; return Number-(q*number); } char getchar(int lowerlimit, char a, int upperlimit) { return (a+modulus(lowerlimit,upperlimit)); } int …

I sence victory been battling the this code for 2 days now. the code i have generated is [CODE] strsql = "delete from cg_security_user_right where user_id= " & TextBox1.Text & " role_id=" & TextBox2.Text & ""[/CODE] it comes up with this error Syntax error (missing operator) in query expression 'user_id= …

Again, for anyone working with ID3 version 1 or 1.1 tags. This class is used to store the tags associated with a given file. There is a default constructor in case you need to instantiate an 'empty' instance, but in 99% of cases you pass the filename of the audio …

For anyone working with ID3 version 1 or 1.1 tags in audio files, this static class may come in handy. It uses indexers to convert between the textual to the numerical representation or from numerical to textual and also accounts for unset and invalid values. Being static, it is always …

i have an "add function" that adds names alphabetically to a sorted linked list. the list is already made in this format : Dani Web Mark Markos Michael David Zebra Zebra . . etc if i add a node : adam ( it goes to the end of the list …

I've got this intro C++ class and I can't figure out what the teacher is looking for, please Help Me if you can. 1) Each group turned in pseudocode for an in class project with five or six steps to run a baseball game. You are to turn the pseudocode …

to anyone, I'm new to using C# wrote a program for a business class to calculate double-decling balance method of depreciation for years. But when I run the progam and enter the 2000 for property value, 5 for property life. I get the wrong results. for year 1 Value at …

Hey guys I'm doing a fun little program that will use the character roster from league of legends. Basically I am going to have all the champion data like health, attack power, and type (early, mid or late game) stored and then compare the characters and depending on what the …

Hello i want to have a txt file on my application final .exe the .txt is located at C:\Users\Timhook\Documents\Visual Studio 2008\Projects\WWTBAM \WWTBAM \bin\Debug\hask.txt thats my project bin\Debug folder will it include the this hask.txt file after publishing the application? thanks

I have been given a project to create the interface and code for a ticket seat calculator I have to produce the quantity and price which is from a text box on the main frame pass them into the seat class to create the totals then pass it into a …

Hi guys, I'm trying to develop a card program, which seems to be working fine, with the exception of the dealing part. The deck is initialised, shuffled, then is supposed to deal out 5 cards without duplicates. However I keep seeing duplicates when I deal. I've ran though it countless …

Ok - so I have an object "A" that has a value (for the sake of example here, it's initialized to 0). I'm making a GUI and I've created a panel that is supposed to display the amount from object "A" in a label which shows up on the screen. …

Hello, I am trying to work through an example from a Deitel book. I keep getting a "source not found" error on line 27 of the LabelFrame class. I have put the "bug1.png" in every single directory associated with this project. I am stumped... [CODE] import java.awt.FlowLayout; import javax.swing.JFrame; import …

Hi all. I'm using DragonFireSDK to make an iPhone app, which means that I can't use any external libraries other than the SDK one. I am trying to get an integer variable for score to a function which will display text on the screen. However, that function takes a char* …

Hi, I have a task to perform which all to do with the smurfs, reading from a file and doing some simple stuff to it. The last part I need to do is print out a list of all smurfs and their corresponding role in alphabetical order. I am hoping …

Hello, I'm writing a small game for a class. The problem is when i run it it starts consuming the computers resources, i bet i've done something very wrong but i just can't find it (haven't even added bouncing back from the paddle to the code, or game over for …

for example, i want to combine two number 6 and 8 and it will equal 68. is this possible in C? [ICODE]int a = 6, b = 8,c; c=ab; [/ICODE] and c will = 68.

Hi , i have problem i have made C# Application using SQL SERVER 2008 R2 I want to make deployment to setup my application with database One setup File to install my application without manually setup SQL SERVER 2008 R2 _____________ i have read many articles but didn't get _________________ …

Hello i need help with a program which allows the user random read access to any entry of the array. If the user attempts to read outside the useful region, your data structure should return a 0. Also It allows the user random write access to the useful region only. …

Hello, I'm working on an application that uses a ServerSocket, but it (at points) stops the server thread and restarts it, throwing a java.net.BindException: address already in use exception. How can I unbind the ServerSocket (.close() is not working to unbind) so I can re-use the same port seconds later? …

in Attached Files there is Question i do not understand the last step how to coount it ? [CODE]package javaapplication178; public class JavaApplication178 { public static void main(String[] args) { int x[][]={{14,7,5,0}, {9,20,25,12}, {25,25,40,30}}; for(int i=0;i<x.length;i++) { for(int y=0;y<x[i].length;y++) { System.out.print(x[i][y] + " "); } System.out.println(" "); } PrintStock( x); …

Hi, i am beginner in java. I doing my final year project in Java Swing. So far, somehow through some online tutorials and articles, i learned to finish 30$ of my project. Now, i need to know how to insert the data from my database into Jtable and display it.... …

When I enter a vb.net textbox, if there is data in it, I want it to be highlighted. I looked around and couldn't find a property that would do this so I do the following: I built a little subroutine that does the highlighting and then call it from the …