Software Development Forum

Dear all, I'm a C beginner and I was doing a small practice nested loop on C when I got a very strange error which when the console opens tells me that my program has stopped working. here is the code: [CODE] #include <stdio.h> #include <stdlib.h> #include <math.h> #include <string.h> …

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]: …

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

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 …

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: …

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 …

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. …

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) …

[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 …

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

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 …

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? …

now I try to develop the tcp chat server So what I have done so far -my server can only received string from the client -My server can show the total of the connection So what I want to ask what do I need to do to make the server …

Hello, I have 2 massive matrix's and I need to compare one matrix with another.. Now, I have come up with a solution that takes a 5x5 block of the matrix1 and compares it with a 5x5 block of matrix2, this happens until the end of both matrix's.. I'm confused …

[CODE] Dim wri As New IO.StreamWriter("e:\test.txt", True) wri.WriteLine(ListBox1.SelectedItem, true) wri.Close())[/CODE] etc in llistbox1 items , "1" "f1" "f2" when i click for example f1 that code will save it and when i want you save the same item it wit will save it in other line and in test.text file …

This is a two part question I guess. I have a form that allows a user to edit an existing record stored in a SQL database. One of the items the users can edit must have a value when the record is edited using this particular form, but it does …

I need my overall data to all be output as double, but my counter is an int, and i imagine you cant use a double as a counter, so when it goes to compute my data, theres a mismatch between my counter and the rest . i need a way …

I need everything to come out as a double rather than an int. I dont know how to do this other than creating lots of variables! Is there a way i can convert? my counter is causing the problem but i dont think theres another way to do it.The program …

Greetings Everyone. I'm working on a program that will take the number of calories and grams of fat, and give the user the percent of calories from fat. The problem arises when I use the Calculate button. [CODE] import java.awt.*; import java.awt.event.*; import javax.swing.*; public class FatGramsPanel extends JPanel { …

Bit of a noob question this. I am using a library which has this function: [ICODE]int TextAdd(int x, int y, char *text, int font);[/ICODE] I need to use this function to display a score. I have the variable [ICODE]int score[/ICODE] and I would like to put it into that function …

Hello. I got an assignment and I've ran into some troubles. I have 3 classes. The first class could be labeled as the main class, and the other two classes must be linked to the first one. The 1st class is named "Holiday" and has 2 key attributes: tour_guide and …

I'm writing my own validation code for some of my forms and I'm wondering what the best way to indicate that there is a problem is. Some ideas I've had: [LIST] [*]Highlight the textboxes, checkboxes or controls in red if they have an error. [*]Put a small icon inside or …

Hello, I am working with the AudioClip class. It has methods for playing, stopping and looping an audio file (.wav/.au). Is there a way I can check when an audio file has completed playing? The stop() method is void. Is there any other class I can use? Thank you!

Hello, The following is a bouncing ball applet. When I do double buffering (variables, g1 and image), I still see the flickering . I would be grateful for any help. [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.lang.Thread; public class Ball_Bounce extends JApplet implements Runnable { private Thread blueBall, redBall; …

How to we know that there is the error of javac. "I studied that javac is not internal or external command". This is the error so how do we know that this error has evolved?

hello, i'm trying to check if a cell in datagridview is of type Image with the following code [code] if(cell.Value.GetType()==typeof(Image)) { ...... ...... } [/code] but it's always showing "Object reference not set to an instance of an object" error..could anytell me if i'm doing this right?? If not, how …

I need to use a GUI for a program (with a main, superclass and subclass) that I've already written (am quite proud of actually. LOL). I'm super new at this so I want to keep it simple and just display the output of my program (an array of inventory objects) …

can anyone help me out with the errors .. please [CODE]import java.io.*; import java.util.*; class Directory implements Comparable { int id; String name; String address; int phoneNo; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } …

Ok. I am building a program for a small office and I have a little problem with the code so I thought it's better to post a topic before continiue.. I have search into google and a lot of forums about database connectivity and my problem is simillar to other …

Hello guys! I've started a new app that I need to fade two images. One of them will be the background and other will fade-in on mouse hover and fade-out on mouse left. After some search around the internet, I didn't found anything that I could use. Can you guys …

Found what i needed

NEED HELP .. where can I do start if I want to create a simple application that do have a record file and a java file ? any suggestions or recommendations

How can I check if a template's parameter is empty? Or of a "certain type"? I'd prefer to check if it's empty or not rather than the type because if the wrong type is entered, it'd throw an error anyway.. But I definitely need to know if the parameter passed …

Hi guys, converting .ui to .py to .exe using Qt Designer (PyQt4), Python 2.7, and py2exe Ive been able to do this with Tkinter gui's but having problems with gui's from Qt Designer? First error was due to missing msvcp90.dll which ive downloaded and copied into the python dll directory, …

Been trying to figure out how to do this for a while, but I can't seem to find anything that exactly covers what I'm trying to do. I'm really a novice when it comes to vb .net, so this might be staring me in the face and I wouldn't know …

Full disclosure: This is my last stop. I have already done a fair amount of research on this issue. While I've come across lots of implementations of this project, I've not seen this weird behavior anywhere else. The project: As one of the projects for my Advanced Visual Basic course, …

[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 …

hi every 1. i have a form and i dropped customer dataset as details view on the form and booking dataset as gridview.So now when i insert a record i can scroll through different records and with respect to the customer its shows me related booking aswell. Wat i wanna …

Does anybody if something like this exists? I am trying to write a small program to plan appointments. And have a overview of them in some sort of calendar(not the mini calendar which you can get from the VB control). Found some website who offer such controls, but honestly $1k …

Guys I installed mySQLdb in Ubuntu with: [CODE]mydeskt@mydeskt-desktop:~$ sudo apt-get install python-mysqldb[/CODE] but when I go to the python interpreter and type: [CODE]>>> import mySQLdb [/CODE]I get: [CODE] Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named mySQLdb [/CODE]It is installed though, because when …

in form1 i have two listboxs listbox1 listbox2 loadbutton and savebutton this code will write listbox1.selecteditem into a txt file and loadbutton will load info in listbox2 but i want when i click loadbutton it check if that item is already exist in listbox2 , if not so write selected …

I'm just going to put this out there. I was asked to create a spreadsheet with data extracted from MARC records. I have looked at pymarc and cannot get this to work. To be honest I'd rather do this myself and lean something in the process. I have another similar …

I need to create ever possible binary tree and then count the comparisons an example is if I had a binary tree with 1 and 2 then there are 4 possible binary trees... root = 1 LChild = 2 root = 1 RChild = 2 root = 2 LChild = …

[CODE] Dim connectionString As String Dim cnn1 As OleDbConnection Dim cmd1 As OleDbCommand Dim sql1 As String connectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source = d:\sprrg\sprrg.mdb" sql1 = "update po_detail set po_number=" & txtPoNo.Text & " where po_number=0;" cnn1 = New OleDbConnection(connectionString) cnn1.Open() cmd1 = New OleDbCommand(sql1, cnn1) cmd1.ExecuteNonQuery() cmd1.Dispose() [/CODE] The table …

I can Insert table from Old_Table_Database to New_Table_Database with this code. [CODE] Dim cmd5 As New OleDbCommand Dim cmd6 As New OleDbCommand cmd6 = New OleDbCommand("select * from " & "Product ", OldConn) Dim dr6 As OleDbDataReader dr6 = cmd6.ExecuteReader For j As Integer = 0 To dr6.FieldCount - 1 …

[CODE] Dim NewConn As New OleDbConnection(strConn) NewConn.Open() Dim dlt1 As New OleDbCommand("DELETE * FROM Invoice ", NewConn) Dim dlt2 As New OleDbCommand("DELETE * FROM InvoiceDetail", NewConn) Dim dlt3 As New OleDbCommand("DELETE * FROM Receiver ", NewConn) Dim dlt4 As New OleDbCommand("DELETE * FROM ReceiverDetail", NewConn) dlt1.ExecuteNonQuery() dlt2.ExecuteNonQuery() dlt3.ExecuteNonQuery() dlt4.ExecuteNonQuery()[/CODE] How …

I have been asked to look into getting a web framework up and running here at work. I come from a PHP background and have developed a few tools various people use around the office. I have recently become part of a small team of developers who only use Python, …