Software Development Forum

So far i have a code that only allows you to enter numbers but how do i limit the value from 0 - 9999. Also how would i be able to display a message label if the user is doing something illegal. Right now i have the messagebox setup but …

Hallo, I have a Java book from before Oracle took over Sun. In the chapter about pictures for buttons etc., the writer suggest to download a free to use icon set from java.sun.com/developer/techDocs/hi/repository Ofcourse this place does not exits anymore and the Oracle site is not clear to me where …

String query = "create table emails " + "(ID int, " + "To varchar(20), " + "From varchar(20), " + "Message varchar(50))"; this java statment looks right. but getting a syntax error.

So let's take "banana", what happens when the program gets to if (ch <= 'd')? My understanding is the 'b' is < 'd' so it moves to the else. Am I wrong or right? If I'm right, then what happens at return 1 + g(s, index + 1); public class …

Hi, I am having trouble when I read in an integer from the keyboard and I try to display it to the screen back as the same integer. It pops out as an ASCII character. Am I doing this wrong or is there a way to read it as an …

**Background**: I have some experience in programming, but it's not a lot and not very good. I'm taking my first Java class this year, but because the pace is so slow I decided to just learn with the aid of the internet. This is how I have learned most of …

Seconds since epoch should be zero, but are not: '''timetuple1.py create a time tuple for epoch 1/1/1970 00:00:00 however, seconds since epoch does not give 0 ''' import time timetuple = time.strptime("01/01/1970 00:00:00", "%m/%d/%Y %H:%M:%S") print(timetuple) print('-'*40) # seconds since epoch 1/1/1970 00:00:00 secs = time.mktime(timetuple) print(secs) '''my result >> …

Why do I get an error creating a temporary table with something even as simple as this:"CREATE TABLE #Results"? But this "CREATE TABLE Results" works. I thought we put # when we need to create temporary tables (Access), its like I've once done that. Help on that please? Thanks!

Hi Guys, There's something bugging me in the past 2 days. In Doubly Linked Lists, when will a Node get comepletely deallocated? is it when both **Next** and **Previous** references points to **NULL**? forget about the class and the method **remove()** and such. Let me make an example so you …

Hi, I'm updating an application to .net from VB 6.0. It uses crystal reports to display reports but we get issues around versioning and having to have the client install Crystal so we would prefer not to depend on Crystal. I was originally going to use an XMLReader object to …

This was in the game development section and I think I accidently put it there (or an admin moved it, if so then next time can you let me know, thanks). So I am posting it here (java forum community is of higer quality when giving responses) , I hope …

Hi, I have got an integer as 0010000001. I need to remove the last 4 digits ie 0001 and the remaining digits is 001000(this is expected) The truncation of last 4 digit is standard. ie the size of last digits is always 4. can anybody help me to code this …

hallo all.. i have question about connecting barcode scanner to vb6 how to connecting barcode scanner to vb6... i use usb barcode scanner... did i must set port or some code in vb6..??? or it works automatically..??? i need some code reference plsss...

I keep recieving an error on lines of code 77-80 and I'm not really sure what I'm doing wrong. They're all the same error and goes as follows: ----jGRASP exec: javac -g Program5.java Program5.java:72: error: cannot find symbol adultTickets = adultTicketPriceTextField.getText(); ^ symbol: variable adultTicketPriceTextField location: class Program5.buttonListener Program5.java:73: error: …

Hi guys, so my task is as follows. A. Develop an application that reads your listings.txt file, analyzes the property listed per agent, and outputs a report to an agentreport.txt file. Your application should do the following: 1. Prompt the user for the name of the input file (listings.txt). 2. …

hi Guys, I am currently coding for a GUI based program that delivers the amount of time a tutor works in minutes and the amount they go paid total, giving them details on the amount of time work total, and wage per hour and if it is below, minimum, or …

Hi All, Is there any event to catch the column visibility change of datagridview? I am using a custom datagridview. I need to update the horizontal scrollbar maximum value whenever the column visibility is changed. Please provide some idea. Thank you.

Hello, I have the following code: `#include <iostream.h> void main() { double test=3.46578953218549; cout.setf(ios::dec); cout<<test; }` I understand that iostream.h is outdated and Microsoft Visual Studio has iostream. However, When I remove the ".h" the setf, ios, etc, line 6 has multiple errors. So, my question is: How do I …

Thanks in advance

Hi all, A question asks me to write overloading functions to square,circle ,rectangle and triangle.... But since the square and circle have only one parameter I had to change the parameter of area of circle to double...... Is this the only way to accomplish this..... Are there any other ways …

import java.util.*; public class Elway { public static void main(String r[]) { ArrayList[] ls = new ArrayList[3]; for(int i=0; i<3; i++) { ls[i] = new ArrayList(); ls[i].add("a" + i); } Object o = ls; do3(ls); for(int i=0; i<3; i++) //insert code here } static Object do3(ArrayList[] a) { for(int i=0; …

Thanks in advance. :)

I need your urgent help. Please help me to solve it out. Thanks a lot in advanced for your time. error: java.lang.StringIndexOutOfBoundsException: String index out of range: 150 Lines of code in this place there: if (text.length ()> 150) { text.replaceAll summary = ("<[^>] *>", ""). substring (0, 150) …

I used this code delete recods from table ............ in VBP is database name Sell-is a table name The DELETE statement conflicted with the REFERENCE constraint "FK_Sells_Product_Details". The conflict occurred in database "VBP", table "dbo.Sells", column 'P_Id'. The statement has been terminated. Dim check As Integer Dim cmdproduct As New …

GIVEN below is vbscript to connect to acess database and insert records into the table using forms Private Sub Command1_Click() Set rs = cn.Execute("insert into employee values('txtempname.text',txtempid.text,txtssn.text) ") rs.Close cn.Close End Sub Private Sub Form_Load() datafile = "C:\mas.accdb" With cn .Provider = "microsoft.ACE.OLEDB.12.0" .ConnectionString = datafile .Open End With End …

Hi All, Got an issue that I know is quite common and read through lots of guides but cant see where I am going wrong. Got the code below which when form is loaded goes and grabs user from a table of usernames and puts them against a combo box …

basically my program runs like this 1. open up configure GUI 2. get congiguration 3. close configure GUI 4. open up main GUI now when I am testing in netbeans, this works perfectly however, as soon as I compile and try to run the jar file outside of netbeans the …

Here is what I am trying to do: From VB.net open a word template --- Done Populate it from a database ------Done Have word report back with the saved file name so as I can add it to the database history ----Not done. I know is has something to do …

I have the following lines of code, where an if statement compares two strings: string strFound = @"Testing"; string strTest = @"Testing"; if (strFound.Equals(strTest)) { ++iCount; // This line executes when strFound == strTest as expected } if (!(strFound.Equals(strTest))); { ++iCount;// Surprisingly this line always executes even when strFound == …

Hi i have a checkboxcolumn in a datagridview, once i check one of the checkboxes in that column, how do i make that other checked boxes to be unchecked? i was doing sothing as below foreach (DataGridViewRow row in dgvEmerContact.Rows) { if(!string.IsNullOrEmpty(row.Cells[0].Value.ToString())) dgvEmerContact.Rows[0].Cells[0].Value = bool.Parse(dgvEmerContact.Rows[r].Cells[0].Value.ToString()); } didn't work appreciate a …

My Insert statement is not working for some reason and I cannot figure out why. Any help would be highly appriciated. Imports MySql.Data Imports MySql.Data.MySqlClient Public Class frmCreateUser Dim connectionstring As String Dim dbCon As MySqlConnection Dim strQuery As String = "" Dim SQLCmd As MySqlCommand Dim DR As MySqlDataReader …

Greetings again friends! It's been a while since I've visited. I had to take a while off from working because of family issues, but things are getting better and I'm starting to work again and that means I get to come back and exchange Q&A with the best programming web …

hello, i'm doing a searching form, here is my code [CODE] Dim con As New OleDbConnection Dim cmd As New OleDbCommand Dim rd As OleDbDataReader con.ConnectionString = ("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\Bengkel\Project\db.mdb") cmd.CommandText = "SELECT * from Book where authorName like '%" & textsearch.Text & "%'" cmd.Connection = con con.Open() rd = cmd.ExecuteReader …

Hello everyone Is there any way to kill the python.exe in Task Managaer "On Windows" using visual basic The Problem is that i do open more than 1 python file at the same, But on task manager it's hows me something like this Python.exe python.exe python.exe python.exe I have got …

I am working on a minesweeper project and everything is working fine EXCEPT for when you click on a cell and it contains a 0 (no mines around it) and it is supposed to open all the other "0" cells around it using recursion. Right now, I keep on getting …

Hello, I am new to using windows form application in c++ and i am having a problem with making my program work. I have three textBars and one button. The first textBar is for the user to input a double. When the button is pressed i want it to perform …

I'm trying to load an image in an Applet.The code goes fine and the Applet Window starts but it just gives a blank window instead of showing the image.I put the html file,.class file and the image file in the same directory.Can u figure out where I went wrong?? Here's …

I see this example frequently and thought I'd give it a shot but I've got something unexpected happening with my Queue. I have multiple threads utilizing my producer class but the output doesn't show that it is being written to by each thread. protected Queue<ProductMessage> prodQueue = new ConcurrentLinkedQueue<>(); @Override …

Hi everyone... im using C++ Microsoft visual studio and would appreciate if you can help me out here. Ive been trying to do this the whole day ... and canttt figure it outtt PLEASEE HELPPP !! I am a total beginner so sorry if i have very stupid mistakes. #include …

All, I am working on a simple program that reads temperature, humidity, and dew point from a sensor and logs the result to a .csv file. I am using netbeans and using alt-enter to surround code with try-catch whenever netbeans suggests. The result is pretty ugly and I can't imagine …

I have created a table named student including column stu_id, stu_name & Blood_group.I created a delete button to delete rows and I used the following code when delete button is pressed.I take input using jtextfield.But this can only delete by taking input in stu_id.But now i also want to delete …

Hello all. For my project I have to create a snack machine with mints and cookies. So far I have gotten an array of cookies with the code below. However an interesting problem I'm having is my output: OATMEAL cookie LEMON cookie null CHOCOLATE_CHIP cookie OATMEAL cookie LEMON cookie null …

Hi everyone, I have a little problem with my code right now. For a project, we are to create a snack machine with cookies and mints using a GUI. We are given nickels, dimes, and quarters to enter in. The problem is when I enter in 1 nickel and 6 …

Hello all. So I have a little problem with my school project. We are to create a snack machine with cookies and mints and interact with it using a GUI. We click the add Mints or Cookies button to add to the 'Snack Machine' and then click buy to purchase …

Hello! I just started learning C a few weeks ago and I'm having a problem with a program I'm writing The program has to prompt the user for a certain number of values defined as NUM_VALUES, and then calculate the mean and standard deviation of the numbers. Here's what I …

I have a Java application i've written, it's a chess client that i've done as a hobby project, and it has a main applicatoin window and all the windows are contained in that. I've had a number of requests from mac users that they'd like to see it converted to …

Hi everyone I'm new in VBA and I have a problem with my code, if someone can help my I will be grateful. I have this part of code in Excel VBA an work fine Dim NumeroArchivo As Integer Dim conta As Integer Dim ListArchivAbierto As String NumeroArchivo = Workbooks.Count …

Sub empno() ComboBox2.Items.Clear() sql = "select empno from tbl_empinfo" If rs.State = 1 Then rs.Close() rs.Open(sql, conn) Do While rs.EOF = False ComboBox2.Items.Add(rs(0).Value) rs.MoveNext() Loop End Sub how do i write this for an access connection???

Hi! I'm writing little software just to get some practice in c#. I have listview in form 1 where program displays first name and last name form access database. When admin selects name/surname in listvioew and press show usercard(form2) I have a label in form2 and I want it to …

Actually I'm doing a project to maintain the company info, here i wanted to write a code to check whether the company id already exists or not. that is if the id 123 is already present in the access database then it shuld show the msg that it already exist. …