Software Development Forum

Hi all, i have a variable in a JFRAME that i need to use in a JPANEL. How can i do that. Example: MainProgram that launches Java Application. Window1 that is a JFRAME Window2 that is a JPANEL In Window1 I have a variable declared example int X = 0; …

[CODE]Form3.Adodc1.RecordSource = "select * from login where username = '" + Text1.Text + "'" Form3.Adodc1.Refresh If Form3.Adodc1.Recordset.EOF = False Then If (Text2.Text = Form3.Adodc1.Recordset.Fields("password")) Then MsgBox "login success" Unload Me Else MsgBox "invalid pasword" Text1.Text = "" Text2.Text = "" Text1.SetFocus Form2.Refresh End If Else MsgBox "invalid username" Text1.Text = …

Hi there,i have to create a program that shows the symbolic derivative of a polynomial function, and my teacher told that it is all about string manipulation,but i cant find find any valid tutorial or something that shows me how to do it.i've checked but what i have found is …

[code]Form3.Adodc1.RecordSource = "select * from login where username = '" + Text1.Text + "'" Form3.Adodc1.Refresh If Form3.Adodc1.Recordset.EOF = False Then If (Text2.Text = Form3.Adodc1.Recordset.Fields("password")) Then MsgBox "login success" Unload Me Else MsgBox "invalid pasword" Text1.Text = "" Text2.Text = "" Text1.SetFocus Form2.Refresh End If Else MsgBox "invalid username" Text1.Text = …

I WANT TO UPDATE ALL ITEMS IN LISTVIEW USING PARAMETERS W/ DATABASE (ms acess)

I want to simulate the enter key when my form opens so that it can continue it processes without the user having to push the enter key or selecting OK with the mouse. I know the question is then why have the form at all. I did not write the …

[CODE]Dim Hours As Integer Dim Minutes As Integer Dim Seconds As Integer Dim Time As Date Private Sub Mydisplay() 'This code is common to all three text boxes so I 'put it in it's own sub. 'Extract the numbers from the text boxes by using 'the Val() statement. Hours = …

Hello I'm taking my first C++ class and I have really embarrassing question ( because I'm sure I'm missing something simple but I just can't figure out what): Why won't my output "dead loop" show after the do while loop ends with the user entering enter? [CODE]// This program will …

Hello all: I would be very grateful if someone could help me to understand header and definitions files. A colleague told me that definitions should never be included in a header file, but I also read that template and inline functions should be included. Is this true? If so, is …

I am writing a program to make pictures into their negative. But I do not know how to open the bitmap file, I don't know if I should open it as a binary, when I try to my security coding kicks in, and when I open as ios::out my security …

Good day. I wana know what is the code (VB 2008) to get line that contains selected data that the user want from notepad? example: apple, red, 180 pear, green, 200 melon, yellow, 250 the user will type "apple" in the textbox and the msgbox will tell in which line …

Hi I had written an in VB.net that took addresses from a database put them into a csv file then took the csv file data and performed a mail merge in Word to allow the user to print them out on to an Avery L7163 label sheet. The app was …

How to modify the hash table implementation to use chaining instead of open addressing？ [CODE]class HashTable( object ): """A data structure that contains a collection of values where each value is located by a hashable key. No two values may have the same key, but more than one key may …

I actually do not program in Java, I'm more of a C# and C++ person myself. But i do have a question regarding executable jar files. I have an executable .jar file that I would like to run, however can not. A console keeps flashing on the screen and dissapearing, …

How do i call back a variable in void method into the main method?? [CODE]public void multiply (int x) { Vector3 v3 = new Vector3(num1*x,num2*x,num3*x); }[/CODE]

[CODE]Option Explicit Dim temp As Integer Private Sub Form_Load() Text1.Enabled = False Text1.MaxLength = 10 End Sub Private Sub Command1_Click() Text1.Text = Text1.Text + "1" End Sub Private Sub Command2_Click() Text1.Text = Text1.Text + "2" End Sub Private Sub Command3_Click() Text1.Text = Text1.Text + "3" End Sub Private Sub Command4_Click() …

Dear all, I'm a newbie Outlook Add-in and I have developed a small Outlook Add-in, but now I have an issue with the Add-in. Sample source code is bellow: [CODE] using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml.Linq; using Outlook = Microsoft.Office.Interop.Outlook; using Office = Microsoft.Office.Core; using System.Windows.Forms; …

How can i generate next increment number for alphanumeric serial . i.e first cheractor is alphabet and next four cherectors are numeric. ( N1125 )

Create a Quine, that is, a program that prints out its own source code. (Expert) In this thread [B]Read Me: C / C++ FAQ's and Practice problems[/B] started by ~s.o.s~ how do you create this program.

dear Experts. I have a Automation Program ,Communicates with Word2010. I want to Disable Close command on System Menu and Title bar. I wrote this code by get Error on Line that Highlithed by Red: [code] Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Const MF_REMOVE …

I am trying to optimize some code I have written. I do not wish to add 0 to my list if it is already set to zero. So it only needs to be changed if the letters or words do not match. Here is the working code (You will also …

WHY SOME COMMANDS DONT WORK IN CMD LIKE "@" my program always have an error whenever i have this command!

I need to write a program that implements this algorithm. create a hash table. for each word in words.txt sort the letters in word and use that as a key enter the(key, word) pair into the hash table prompt the user for a string while the string s not empty …

I need to modify this code to promt the user for a word and display how many times the word appeared in the input file. class HashTable( object ): """A data structure that contains a collection of values where each value is located by a hashable key. No two values …

I am getting the correct chars when i read each individually such as data.at(0), (1)...etc. But when I am trying to read them into variables, i am getting some weird values for some of these. For instance: Getting value of 3, i should be getting the value of 1311780402 Also …

this was the instructions... "Write a short Java program that takes two arrays a and b of length n storing int values, and return the dot product of a and b. That is, it returns an array c of length n such that c[i] = a[i] . b[i], for i …

I am currently working on my first serious GUI application in python using Tkinter. I currently have a toplevel window that opens from the root window. when i envoke the window from the root i can see all 7 of my other widgets, but the widget: btncancel = Tkinter.Button(addboard, text …

Hey need to create tic tac toe but which reads from tester file - after the right direction to go from here, on how to implement it [CODE]import java.util.*; public class TicTacToe { public TicTacToe() { Scanner input = new Scanner(System.in); char[][] board = new char[3][3]; // Sets up game …

These are the problems: Ground Beef Value Calculator Different packages of ground beef have different percentages of fat and different costs per pound. Write a program that asks the user for: 1. The price per pound of package "A" 2. The percent lean in package "A" 3. The price per …

Hello, I am new to C++ windows programming and have only taken 1 class in c++ in my life (I have experience with other languages and OOP). I'm using Visual C++ 2008. and my project is created by the wizard for a Windows Forms Application. (I'm guessing this means CLI …

[url]http://pastebin.com/uG54nJsv[/url] trying to make a linked list and C and for some reason it keeps crashing...the program is compileable if you'd like to see the memory error. I think my problem is with my pointer and dynamic memory allocation. -thx

Hi, So i have 2 form, each has 1 datagridview. In the FORM1, the datagridview contain some product column and user can input the number of product quantities they want to buy. if user press the "buy" button, i want it to open FORM2, with datagridview containing the list of …

Hi, I have a small issue, wondering if anyone could help. I have a form, FormBorderStyle is set to None. I have a groupBox on the form called gbLogin. I want to be able to move the form via anywhere on the groupBox. I have searched the net and have …

Hello, I thought I was doing things right when I created a delegate to call a function to access the container's data, but it still throws an exception. I have something similar to: [code] public ref class myform : public System::Windows::Forms::Form { private: System::Windows::Forms::ComboBox^ form_combobox; private: delegate String^ getItemDel();//<-- delegate …

I need help with my code for computers, our final assignment is to make a simple game, so I decided to do Hangman. This assignment is worth 20% of my final mark due on Monday so if anybody could help me with it I would really appreciate it. (I'm still …

Hi, I was pondering this earlier and wasn't sure if it was possible. Say, for example you had 2 objects; [B]spam[/B] and [B]eggs[/B], and you wanted to create a function to change attributes - e.g. colour. So spam.colour = 'Blue' and eggs.colour = 'Green'. How would you change that attribute …

Hi, Sorry for my ignorance but the problem I have is probably so simple that I cannot seem to find an answer for it. I am just learning about the Java.Util Package but in following my course module I am getting an error. here is the simple code : [CODE]import …

Hi! I would like to create a button for deleting all JLabel components on JDesktopPane. My code is shown below. The error message is shown below the code. For instance, let's say there are 3 JLabel components (the 4th is not JLabel). In this case, only 2 of 3 JLabel …

I'm writing an application using jdbc connection to access and want display a sql query using the number of rows found to declare an array of JTextFields. Not only does nothing display but also getting an Error: java.lang.ArrayIndexOutOfBoundsException: 00. Can anyone help please. [CODE] private void selItActionPerformed(java.awt.event.ActionEvent evt) { // …

Hi, I'm in my first Java class and I am working on a problem that I could solve if I just figure out how to convert a char to an int. i.e. convert A to its letter equivalent with a function like this: [CODE] intLetter = charLetter.parseInt(); [/CODE] am I …

Hello, I'm just wondering how you return a vector from a member function. I've looked online but had no luck. At the moment my function is set to long double, and when I tried setting it to std::vector it came up with lots of errors. Here is my code: [code] …

I have a zip file on a CD that has an EXE in it that I want to run. Is there a way that I can use Process.Start() to extract the zip to TempDir and then launch the exe?

I,ve set up a JTable and want to populate it from an Access database useing jdbc odbc. The data returned is placed into an array but my problem is how to use the array results with... jTable1.setModel(new javax.swing.table.DefaultTableModel( new Object [][] { {list[0], list[1], list[2], list[3], list[4]}, }, new String …

Hi all, how could you initialize, through a loop, a c array? For instance, say I have [CODE] #define SIZE 10 int test[SIZE]; for (unsigned int i = 0; i < SIZE; i++) { test[i] = 0; } [/CODE] How can I make use of some Assembly to loop through …

[code] class trans { int m,n,l=0,k=-1,total,no=0; void det(int t) { total=t; } char[][] s5=new char[total][total]; char[][] s6=new char[total][total]; //rot90 public int rot90 (char[][] s2,char[][] s3) { for( m=0;m<total;m++) {l=0; for(n=total-1;n>=0;n--) { //[B][COLOR="Red"]line33[/COLOR][/B] s5[m][l]=s2[n][m]; [COLOR="Red"][B]\\Exception in thread "main" \\java.lang.ArrayIndexOutOfBoundsException: 0 \\at trans.rot90(gift1.java:33) \\at gift1.main(gift1.java:208)[/B] [/COLOR] l++; } } if(s5==s3) { return …

Hi All i have downloaded following code from web that inputs sound samples and displays spectrum, i want to print frequencies present in each second in the spectrum.i.e when ever the spectrum is displayed i want to print those frequencies as well on the console. Below is the code i …

Ok, so i don't think I need to post all the code....most of you have seen a lot of it anyways, if I need to I don't mind. But anyways, I made the outFileDrs Stream, then at the end of the program it closes it. But its only 1 kb? …

Hello all, So I have been trying to "redo" a c++ program in c and I am getting stuck on strings (I dont code in c never have still learning). Any who in my C++ program, I use string concationation tools to print out select output, however c does not …

I was told that there are four python string delimiters but I can only think of three, ', ", & """. What is that last one? I searched google but with no luck.

The assignment says "Write a program that asks the user to type in numbers. After each entry, the program should report the cumulative sum of the entries to date. The program should terminate when the user enters 0." I have partly been succesfull I guess. But I dont know how …