Software Development Forum

well guys, i wanted to try somethng fun in java, so i made a simple form type navigation program.. i can compile this file, bt i cant run it..NOTE: i have no issues in my java software.. import javax.swing.*; import java.awt.event.*; import java.awt.*; import java.util.regex.*; public class Nav2 extends JFrame …

I've been working on a project using selenium 2 webdriver. Took me a while but finally got it working inside iframes of a web page. Thing is, I searched a lot and seen many examples but none that looked like what I ended up with, looks a bit weird and …

I am trying to insert some values into a database and I have the following SQL: insertString = "INSERT INTO SocialHistory (ExamID, Occupation, SafetyYN, ComputerYN, ComputerHrs) Values('" & CurrentExamID.ToString & "', (SELECT Occupation, SafetyYN, ComputerYN, ComputerHrs FROM SocialHistory WHERE ExamID = '" & LastExamID & "'))" When I execute the …

function generateHashLink($service_domain, $file_path, $url_signing_key ,$expiry_timestamp = NULL){ // + and / are some of represented chars of based64 encoding (8 bits) // + is 62 and / is 63 and these char should be replaced by other predefined chars $search_chars = array('+','/'); $replace_chars = array('-', '_'); if($file_path[0] != '/'){ $file_path …

My girlfriend, as confused as she is when I talk about programming, wants me to program her something. She's away on vacation to Australia right now. Of course, I told her I would program something for her in time for when she gets back. But the part that I'm stuck …

Hi everyone. I got a situation here. Usually making a T-SQL(using sqlclient) on a server is very simple in vb.net if you have access to a sever. But I got this problem, where in a computer does not have access to that server but need to make a T-SQL on …

0 down vote favorite I have a problem, what i want is when the user enters data in the textbox, it needs to compare the entered textbox value like ,,name, with value ,,name,, in dataset. If name exists, It should enter the value in textbox. If not, it should pop …

I have a c++ program that is writing in a txt file every second and I want to get that data that is being written by c#. so the c++ is only writing and the c# is reading. with my knowledge txt files can't be accessed from 2 diffrent programs …

Write a code snippet to declare and accept an integer and calculate the cube value of the integer. The integer should be passed by reference to a function cube(). The function would calculate the result of cubing the integer. The function prototype to be used is: void cube (int *p); …

I know that with Array Lists you can hold different types. Can you acomplish the same thing with arrays for example an array containing both ints and strings?

A while back I got help on this issue I was having. This was the output that I was looking for:  **What it shows:** - Shows length of all chromosomes - Shows position of a qgrs on a chromosome [multiple qgrs on a chromosome] However, when I needed …

Type rounds_key 'Storage Container raundnyh keys key (255) As Byte End Type Global data_ () As Byte 'Declare global byte array Global key_ () As Byte 'Declare global byte array Global data_size_block As Long 'Declare global variable 4 bytes Global su_box () As Byte 'Declare global byte array Global …

I am trying to make a timer that refreshes every 5 seconds. Here is my code: using System; using System.Collections.Generic; using System.Windows.Forms; using System.Diagnostics; using System.Timers; namespace rpanel_server { public partial class MainForm : Form { public MainForm() { InitializeComponent(); Timer MyTimer = new Timer(); MyTimer.Interval = (4000); MyTimer.Tick += …

Dear members please help me in understanding the control flow in the following code, thanks #include <iostream> class constructs #include <iostream> class constructs { char inp; public: void acceptCharacter() { cout<<"Enter a character: "; cin>>inp; if(inp>='A') //ASCII value of A = 65 if(intp<='Z') //ASCII value of Z = 90 cout<<endl<<"Uppercase"; …

How to generate PDF using flex with php.Currentely am using amfphp to do this.But it takes more time to generate.please guide me if anyone know the solution.

Can abyone tell me what type of variable is a standard Form1? It's just a curiosity and not a real part of a project. here is the standard code visual studio starts with in my version 2010 when creating a new forms application with a couple of lines added/amended.. namespace …

I am trying to send some strings on my android device using bluetooth to my arduino so I am wondering if my logic is correct for my code. The part I am stuck on how to implement if all arguements are OK then it should send String temp = "t"; …

Does anyone know how to get the number of rows that are included in the total SelectedCells of a datagridview? This is where the user actually selects multiple cells in multiple rows - not actually selecting the rows themselves. I don't need to row indexes of the cells. What I …

Hi guys, I'm new here and I have a activity in my java class. my instructor want to sort all the given names after they added to the list. can you guys help me with it? thanks here's my code: import java.util.*; public class Test{ public static void main (String …

Hi all, I started to look into event handlers, and there is something I would like to ask, sorry if this is a silly one. I can see that different Java components generate different events when the user interacts with them, but when it comes down to 1)which interface the …

Hi all, I have employee class which I have 100 variables with getters and setters. now I am passing employee object to processing method. Now I want to read all values in processing method. Should I want to use getter for all member? Is there any way to achieve this. …

I know that the main difference between an array and a list is that a list size changes dynamically as items are added or removed. Because of this, if we copy an array to a list does that mean that the list must have a static size of the array's …

Hi there, I would like to make a basic plugin with a /hello command that when types outputs "Hello, user!" or there minecraft user name I have done all the code, and I have a problem of which the server says: [16:02:10 ERROR]: Could not load 'plugins/GreetingsPlugin.jar' in folder 'plugins' …

hi, im trying to insert data using Checklist and it is only inserting one even if i selected all che checkboxes, please help.hr is my Code protected void Button1_Click(object sender, EventArgs e) { //C:\Documents and Settings\PraiseM\My Documents\Visual Studio 2008\Projects\MiniProjectAcc\MiniProjectAcc\Employee.accdb OleDbConnection conn = new OleDbConnection(); conn.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Documents and Settings\PraiseM\My …

interface Data { public void load(); } abstract class Info { public abstract void load(); } public class Employee extends Info implements Data { public void load (){ System.out.println ("loading"); /*do something*/ } } Why this code is correct ? Is it is not compulsory to deine the method declared …

I have a console application with two classes: - **MyIntList** Which initilzes the array and handles the input and outputs. - **Program** This has the Main() method which handles the users input and sends them too the handlers in **MyIntList**. The problem I am having is that when the array …

Following a tutorial [here](http://www.joecolantonio.com/2012/07/31/getting-started-using-selenium-2-0-webdriver-for-ie-in-visual-studio-c/). Code is as follows... using System; using System.Collections.Generic; using System.Linq; using System.Text; using OpenQA.Selenium; using OpenQA.Selenium.IE; using OpenQA.Selenium.Support.UI; namespace mySelenium { class Program { static void Main(string[] args) { IWebDriver driver = new InternetExplorerDriver(@"C:\Downloads\selenium"); driver.Navigate().GoToUrl("https://www.google.co.uk/"); } } } When I run the code all seems to …

I want to learn Java completely but how to start in basic to advance Helps needed

This is the code void CreateGUI() { try { //myPicture = ImageIO.read(new File("Companylogo_FINAL.jpg")); myPicture = ImageIO.read(new File("Companylogo_FINAL.jpg")); //myPicture = ImageIO.read(getClass().getResource("Companylogo_FINAL.jpg")); /*java.net.URL u = getClass().getResource("/resources/Companylogo_FINAL.jpg"); System.out.println(u); myPicture = ImageIO.read(u);*/ /*try {*/ //myPicture = ImageIO.read(new File("Companylogo_FINAL.jpg")); /*} catch (IOException e) { }*/ ImageIcon img = new ImageIcon(myPicture); //frame.setIconImage(img.getImage()); } catch (IOException e1) …

Here is the error I'm getting Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: input == null! And here is the code try { //myPicture = ImageIO.read(new File("Companylogo_FINAL.jpg")); myPicture = ImageIO.read(getClass().getResource("/resources/Companylogo_FINAL.jpg")); ImageIcon img = new ImageIcon(myPicture); frame.setIconImage(img.getImage()); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } JLabel lbl = new …

1. I created three JLabels(one,two,three) and add a mouselistener to it. 2. For every even turns, the program will allow me to click any of the JLabels **once** and print out the JLabel I have clicked. My program is throwing me the following errors Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java …

if a program throw 2 exceptions can we handled it by user defined exception.for example import java.util.*; class WrongException extends Exception{ public WrongException(String s){ super(s); } } public class UserDefinedException2{ public static void main(String s[]){ int a,b; a=b=0; Scanner ob=new Scanner(System.in); System.out.print("Enter your age = "); a=ob.nextInt(); try { if(a<=0) …

I'm trying to modify this code: class Tree: def __init__(self, cargo, left=None, right=None): self.cargo = cargo self.left = left self.right = right def __str__(self): return str(self.cargo) def print_tree_inorder(tree): if tree is None: return print_tree_inorder(tree.left) print(tree.cargo, end=" ") print_tree_inorder(tree.right) So that it adds parentheses around every operator and pair of operands. …

Hi everybody. I hope nobody is working too hard. I am trying to figure out a way to use the peek() method of the stringstream class but looking more than one place forward. For example, if I use stringstream.peek() it will let me know the value one value ahead of …

Hi guys, I had a test the other day and missed a question out because it confused the hell out of me. I dont know if it was a badly written question or just me. Heres the program below: public static class Mailing { public static void SendTestEmail() { List<Person> …

Hello guys, okay? I have a problem and I wonder if anyone can help me. Well, as the title of the topic says, the problem is about the C language, and more specifically on GUI. I made a C program it is working and everything is ok. But the problem …

Is there a way to get all contacts id's from outlook 2013 or 2007 to datagridview or combobox.collection list. Thanks

Hi there, I would like to ask the Daniweb community what would be the best programming language to learn for me, before you answer can you please tell me the different programming languages there are, and there uses; such as c++ - game, html - web. Then I will come …

Hello. Well, im a little confused as to what exactly the terms Data Abstraction and Data Encapsulation mean: This is what i read: [B]Data Abstraction[/B]:data abstraction is a process of representing the essential features without including implementation details. [B]Data Encapsulation:[/B]: Data encapsulation, also known as data hiding, is the mechanism …

Hello, I am a bit new to vb.net. I was learning Database in vb.net . I have created a MS Access file. But when I Started my Visual Basic (vb.net 2008 Proffestional) and then I Clicked the Option Add New Data Type (In Data), nothing came. Can someone help me …

Following exceptions are `Checked Exception` or `Unchecked Exception` ArrayStoreException IllegalArgumentException

I have a button on this tabpage which, when a user clicks, clears all of the fields. However, I have set one textbox to a read-only textbox which has a counter in it. How can I programmatically clear all of the other fields, minus this textbox. (There are other textboxes …

I'm doing a project where I want Data to be saved to a database ALWAYS. :) When Im in debug the data is saved and it is even saved while the program is running and saved after it closes. As soon as i open the program back up the data …

Hello there, is there anyone good with Regex? I have some old tool that is gathering proxies from hidemyass website, but its not working anymore. So if there is anyone who could help me out?

Hi! Have anybody seen Scot Meyers' video on Universal references? In order for a reference to be "universal" two requirements should be fulfilled : 1)variable should have double ampersand after it's type : sometype&& 2) the type should be deduced . The second point is somewhat confusing to me: despite …

Hello, I need for my game inventory function a mysql query which checks the next available free slot id. example: I have item on slot 1, 2, 3 and 5. Slot 4,6,7,8,9 ... are free.. Now I need query which would get the number 4. Something like SELECT * FROM …

> This compiles but does not show me any results? Why #include <iostream> #include <cmath> using namespace std; void dist(int x1, int x2, int y1, int y2) { double r1 , r2 , d ; r1 = sqrt((x1*x1) + (y1*y1)); r2 = sqrt((x2*x2) + (y2*y2)); d = sqrt((x2 - x1)*(x2 …

Hi, I've had a rather ambitious project on my mind for as long as I've been at my job (almost a year) -- to pretty much rewrite their central application, which is a listing database/"portal", around and upon which their entire IT infrastructure and web and computing tasks and operations …