Software Development Forum

hi all, I need to draw a series (10) concentric circles starting fromt he middle of the panel. This is what I have done, do you reckon it is ok? //Ovals.java import java.awt.Graphics; import javax.swing.JPanel; public class Ovals extends JPanel{ public void paintCmponent(Graphics g){ super.paintComponent(g); //calculates the centre of the …

i want to develop 1 application its just like hotel managment type, but i want to connect with tally for releted entries. so please suggest me from where to start.

Hi guys i have this code which insert the data in the textbox Dim FilePath As String = "C:\Users\ezekiels\Desktop\New Folder\EBU 6.mdb" Dim conn As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & FilePath & "") conn.Open() Dim myadapter As New OleDbDataAdapter("SELECT * FROM Table_EBU6", conn) Dim dtset As New DataSet myadapter.Fill(dtset) myadapter.Dispose() Dim table …

import java.io.*; class pattern { public static void main(String args[]) throws IOException { int n; BufferedReader br = new BufferedReader(InputStreamReader(System.in())); System.out.println("Please Enter Your Pattern Length:- "); n = Integer.parseInt(br.readLine()); while(n>2) { for(int i=0;i<=n;i++) { if((i==1)||(i==n)) { for(int k=0;k<=n;k++){ System.out.print("*"); System.out.println(); } } else { int o = n-2; System.out.print("*"); for(int …

Hi, I have python 2.7 & python 3 installed on ubuntu. I just installed pygame and have it working so far in python 3 which is what I want to be doing. However I can only load bmp images in python 3. When I try to load a jpg I …

Hi everyone, I'm using the following code snippet to download and save a file from an address using Java... URL website = new URL("http://www.website.com/example.torrent"); ReadableByteChannel rbc = Channels.newChannel(website.openStream()); FileOutputStream fos = new FileOutputStream("example.torrent"); fos.getChannel().transferFrom(rbc, 0, 1 << 24); However, a problem occurs when I try to download a file with …

hi all i am reading excel file from c# into dataset everything working fine but the problem is it takes first row of excel as header's of column and i have "TRANSACTION DATA FOR CDs MANAGED BY TCBILs FOR THE MONTH OF DECEMBER 2012" in first row of excel ant …

While executing below code, i found it is not functional due to segmentation fault error,even though memry allocation has been done propery in below code but still not sure why this error is coming. i will appreciat e if somebody help me as just month before i started learning c++. …

? missing return statement! hi guys, Im trying to compile this class below, but its just not working, it keeps sating 'missing return statement' int the method declaration line. Can u see to check if there is anything missing in my code or if iv done something wrong?? Thanks! [code]public …

I am inserting values into a database but i get an error, it says the variable name @emp_login has already been declared. How do i resolve this? This is my code `SqlDataReader readerReference = cmd_Reference.ExecuteReader(); SqlCommand cmd_Insert = Connexion_Insert.CreateCommand(); string insert = "INSERT INTO EMP_tracking(emp_login, emp_dom_code, emp_domain,emp_surname") VALUES (@emp_login,@emp_dom_code,@emp_domain,@emp_surname); int …

can anyone plese tell me how to make installable file of a java program using visual studio 2010 professional.?

hai all the comunity people. i want to know how to creat a software in visual basic

I have a datagridview and I want to pass some of its value to another datagridview after selecting the values and clicking a command button. Is there any possible ways for me to do it? Thanks! God Bless. :D

hi guy i would like help or info about socket little exemple of code: clientSocket = new Socket(ip, 6784); BufferedReader insideServer = new BufferedReader( new InputStreamReader(clientSocket.getInputStream())); its that possible from the inputStream getting the click event ? example a user click from a button and another user using same application …

alright so my exact problem is that when I attempt to visit a url stored in a text file I get the error "URLError: <urlopen error no host given>" This is strange because if I type in the urls myself they work fine(opener.open("site.com")) The lines of code causing the error …

I'M reading "C++ FOR DUMMIES" 4th edition by Stephen Randy Davis and the chapter on arrays as just introduced this line -> `cout.width(3);` with absolutly no explanation to waht width is. I would like any of you guys to help me wout here but in addition to telling what .width …

I have my battleships game working completely accept ships do not generate randomly. I have each point of the ship assigned to certain squares. Example: ship_1_1 = Grid[1][1] ship_1_2 = Grid[1][2] ship_1_3 = Grid[1][3] ship_1_4 = Grid[1][3] Randomly generating ships is harder than I thought. For these reasons: - Ships …

Hi there, I have problem with my DropDownBox, my datasource is from MySQL database. My problem is this, I have already stored data in my database let's say 12 rows, but when I am trying to fetch it on to dropdownbox, only 11 data will be the item values of …

hey guys! i've been getting better at vb.net and i am very familiar with it now. im not an expert but i know some more vb.net now. anyway, i have some code here: 'Show status txtboxStatus.Text = "Playing Loading Sound" 'Play recording Me.BackgroundWorker1.RunWorkerAsync() End Sub 'This method is executed in …

I have to write two scripts, one in bash and one in dos. My dos one works perfectly but I'm having trouble with my bash one. The assignment is to make a script that takes a command line argument (from a test script) and return the change. So if the …

this is an exam question i failed to answer properly, im trying to work it out. the code i came up with is below, it works ok, but i was hoping if anyone could help in improving it. iv read in various threads in daniweb itself about making a code …

I kind of have an idea what to do, but I can't figure it out. The program needs to be able to get the students name and three test scores, then get the average score (percentage) out of the three scores. After that, you need to convert the score (percentage) …

So, I'm suppose to make a program following these guidelines. 1. Count all words in the file. A word is any sequence of characters delimited by whitespace, whether or not it is an actual English word 2. Cout all syllables in each word. To make this simple, use the following …

my complier is throwing an error up when i run it. the problem is run into is my Increment function is etither given a number to increment by, or if it is left blanlk (Increment()) should default to incrementing 1. i thought i could do just 2 functions, one with …

I'm working on a web browser and I need to know how to store history & bookmarks permanently as currently after the browser is closed all data is lossed. Should I put it on a DB? Suggestions? PS: They are currently being saved on a ListBox.

Dim agre1, agre2, agre3 As Double agre1 = Form1.TextBox11.Text agre2 = Me.TextBox11.Text agre3 = ((agre1 + agre2) / 2) TextBox12.Text = agre3

how to update databse in remote machine,i am having .sql file which i have to update my database schema in remote machine,client will provide me his machine ip address,database username,database password,database instance name...pls help me pls package com.prion.testConnectivity; import java.io.BufferedReader; import java.io.FileReader; import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; …

How Can one Export Crystal Report to Word File ?

I'm working on a horse race. So in my program, a random number is produced. This random number can be 1 through 100. If the random number is 1-35, then horse one will be the winner. If the random number is 36-47, then horse two will be the winner. It …

hie guys, a great supportive sites i have ever seen, i am facing a simple issue with my login windows form, which i have created, it works fine no issue, but now i want that after successful login user should be automatically redirect to home screen (windows forms) but unfortunaterly …

I have a simple question about this code struct a { char key; a *next; }; a = here*; and in the function I check if here is NULL or not if (here->key==NULL) ... and Im sure here is pointing to an a(struct) but it gives access violation . what …

hi guys, writing a code in my first term at vb 2010, ive to create a guessing game, generate a number between 1 and 30 and let the user guess it. i must give hints along the way and record the amount of guesses made. i have the code written …

Hi all! I just have a quick question about the execution of a copy constructor. This is the code i'm testing my work with as I'm busy learning for a test. Class file: Clock :: Clock (int h, int m, int s) { hr = h; min = m; sec …

Hi again, I've been looking more at reading serial - this time with a GUI in front. After attempts to get it working I thought it best to try threading to perform the task. What it should do is read the serial port and update a label with the frame …

Hi, while executing below programme on my Dev-c++ 4.9.9.2 compiler , i was bit amazed as it should have not run properly due to use of deleted object (obj). can anybody let me know instead of crashing , it is getting executed without any memory issue. ~Mohan #include<iostream.h> #include<conio.h> //virtual …

I was wondering how the compiler searches for a file using just the name of the particular file. The function argument that should be supplied is the file name in double quotes and mode i.e. read, write etc. What if there are two files of the same name but in …

I have a combo box. I want to make it editable on click of an item so that user can add new item to the combo box. Please find the code below. private void Form1_Load(object sender, EventArgs e) { comboBox1 = new ComboBox(); comboBox1.Location = new Point(20, 60); comboBox1.Name = …

Hi, I have an error with this function at runtime Private Sub adultPay() sql = "SELECT adultRate FROM roomType WHERE roomType = " & rumType.ToString & "" connectDatabase() Using da As New OleDb.OleDbDataAdapter(sql, con) Using ds As New DataSet Try da.Fill(ds, "AdultRate") 'error here Dim adultRate As String = ds.Tables("AdultRate").Rows(0).Item(0).ToString …

where can i get help on programming an SMS server center in java. I also need to know if it is applicable in Second Generation Technology. If there is anyone who knows how these things run please advise me. Urgent

I'm somewhat new to Java and programming in general and I am receiving this error when I run my program and I have zero idea as to what is causing it. Thanks in advance. [CODE]public class AssignmentEight { static final String INFILE_NAME = "ass8_input.txt"; /** * @param args */ public …

hey guys can you just help me out, m banging my head now,, actually a simple issue, how to show a username after successful login on next form wiht welcome lable . . . pleaase help . .

Hello Im currently creating BMPs as a bufferedimage as following: BufferedImage bufferedImage = new BufferedImage(320, 320, BufferedImage.TYPE_INT_RGB); Thing is that black and white is more than enough for me so would I do this: BufferedImage bufferedImage = new BufferedImage(320, 320, BufferedImage.TYPE_BYTE_BINARY); ? Thanks

This is for those of you wanting to know how to generate random numbers. I will explain how to generate a random number from 1 to 100 in a text box. Step 1: Create a textbox and name it txtrandom. Step 2: Create a command button and name it cmdrandom. …

Hi All, I am trying to store a link to a document in a mysql database using VB.NET. I open a file browser for the user to select the file, and if I output the returned filename to a messagebox it looks fine, but when I write that filename string …

I have been working on a Python coded priority email inbox, with the ultimate aim of using a machine learning algorithm to label (or classify) a selection of emails as either important or un-important. I will begin with some background information and then move into my question. I have so …

class Temp { static int []years={-80000,-79950,20,70,22,60,58,60,58,65,1950,2005}; public static int max_year(int x,int y) { int i=0; int j=0; int m=0; int n=0; int z=0; while(x<y) { z=(x+y)/2; for(i=0;i<=11;i=i+2) { if((years[i]<z) && (years[i+1]>x)) { m=m+1; } if((years[i]<y) && (years[i+1]>z)) { n=n+1; } } if(m>n) { y=z; } else { x=z; } } …

how can i convert int to char or string now les say: i want to convert int to char ex: int a = 3 char b = '3' note they both are same number or int to String int a = 35; String c = "35"; note i already tried …

Having trouble writing code for sum of numbers in visual basic 1 through 10 equal 55 need help please

I have been working on this assignment for a while now and I can't figure this one issue out. I was given four files, Name.java, SortableArrayList.java, NameListDriver.java, and SortableArrayListWithBubbleSort.java. The program is meant to take a text file with a list of names and sort them alphabetically. Part one of …

I'm trying to get values from DataGridView to the another form in textboxes and in Picturebox ,data in textboxes are there ok, but when I try to get a picture in a picturebox from DB it gives me this error. Buffer cannot be null Parameter name :buffer and here is …