Software Development Forum

Hey guys trying to make this OO but no luck..can anyone help? import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.*; public class Main implements ActionListener { public static void main(String[] args) { new Main();// Calling the class construtor. }//end main //Setting up ALL the variables JFrame window = …

The below code simply reads the string **"This is a test"** from a text file and displayes it on the console. I've deliberately placed an endline at the end of each time the string is loaded to show that the string is all that is passed to '**mystring**' from '**myfile**'. …

I'm getting a warning at the end of my code that says, Warning 1 Function 'Result' doesn't return a value on all code paths. A null reference exception could occur at run time when the result is used. The code works fine, but can someone explain why I'm getting this …

Hi guys i am a total beginner on VB.As mention on the tittle i would love a help on my problem.Here is my code Imports System Imports System.Data Imports System.Data.OleDb Imports System.Data.SqlClient Public Class Form1 Dim conn As New System.Data.OleDb.OleDbConnection() Private Sub btnSignUp_Click(sender As Object, e As EventArgs) Handles btnSignUp.Click …

I am having a problem with readin input data, my program is reading the last name in my .txt document twice and inserting it into each one of my functions an extra time. here is the out put Enter the name of the .txt file that you want to open …

I have the following web crawler code and would like to add a limit as to the depth of the search but unsure how to implement this. import urllib2 def getAllNewLinksOnPage(page,prevLinks): response = urllib2.urlopen(page) html = response.read() links,pos,allFound=[],0,False while not allFound: aTag=html.find("<a href=",pos) if aTag>-1: href=html.find('"',aTag+1) endHref=html.find('"',href+1) url=html[href+1:endHref] if url[:7]=="http://": …

Hi All's, Really need your help, i'm trying to update existing data in MDB database by date.today but cannot update . Here my coding 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= PTGDB.mdb") Dim cmd As OleDbCommand = New OleDbCommand("SELECT …

Why is this stacking ontop of each other, as far as the index should get each of them to next row. data1 = {'PHOTOSHOP': '6.5', 'NUKE': '7.0v9', 'MAYA': '2014', 'TESTING': '1.28', 'KATANA': '1.7', 'MARI': '4.0'} data2 = {'PHOTOSHOP': '10.5', 'NUKE': '6.3v6', 'MAYA': '2012', 'TESTING': '1.28', 'KATANA': '1.0', 'MARI': '1.0'} class …

the csbi.wAttributes are combinations of '|' operators,... DWORD textcolor = csbi.wAttributes & 0xff0f; DWORD backcolor = (csbi.wAttributes & 0xfff0) >> 4; i understand the 0xff0f is a hexadecimal value(i don't know in decimal), but why these number and not other? can anyone explain to me these 2 calculations? (they are …

i have these code for clear the screen: //clear the Console void Clear(int BackColor=0) { // home for the cursor COORD coordScreen = {0, 0}; DWORD cCharsWritten; CONSOLE_SCREEN_BUFFER_INFO csbi; DWORD dwConSize; // Get the number of character cells in the current buffer if(!GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi)) return; dwConSize = csbi.dwSize.X * csbi.dwSize.Y; …

the prototype function is: BOOL WINAPI WriteConsoleOutputAttribute( _In_ HANDLE hConsoleOutput, _In_ const WORD *lpAttribute, _In_ DWORD nLength, _In_ COORD dwWriteCoord, _Out_ LPDWORD lpNumberOfAttrsWritten ); i'm trying use it for the 1st time... what means: "lpNumberOfAttrsWritten [out] A pointer to a variable that receives the number of attributes actually written to …

import java.util.Scanner; import java.util.Arrays; public class project { private static Scanner keyboard = new Scanner(System.in); public static void main() { double row [][]; int positionInRow, numberInRow, rowSize, index, numberOfRows,weight; int maxWeight = 100; System.out.println("Welcome to the Band of the Hour"); System.out.println("-------------------------------"); System.out.print("Please enter number of rows : "); numberOfRows = …

Write an algorithm and draw a flowchart to print the square of all numbers from LOW to HIGH. Test with LOW=1 and HIGH=10.

I'm trying to convert int x and y arrays to string using a sample code found online. string Square::int2string (int x[]) { string returnstring = ""; for (int i=0; i < 4; i++) { returnstring += itoa(x[i]); return returnstring; } } but hit with the following error. Square.cpp:30:8: error: prototype …

not working. I am using python 3.3.2. please and thank you. import urllib u = urllib.request('http://www.ctabustracker.com/bustime/map/getBusesForRoute.jsp?route=22') info = u.read() f = open('rt22.xml', 'wb') f.write(info) f.close()

I am new programming in Python. I am trying to create a function that simply takes the lowest payment (which starts at 10) and it simply returns the remaining balance (after 12 months of payments). 2. Outside the function I am using a loop that calls the function and checks …

Hi everyone, I'm new in vb.Net programming and i just want to ask how to validate a "Double" data type. for example. Dim number as Double number = textbox1.text If the value of "number" variable is in "Double" data type like 1.23 or 0.12 it returns a correct value and …

I was wondering if I can fill up an edited row based on the value in my Label. Here's the scenario: An employee will add and edit rows in the DataGridView1. All rows involved in adding and editing will fill up the last row with the Employee ID of the …

Hello, I'm trying to write a program that takes an input file name and lists the folders in a heirarchy ex.Folder subfolder etc I have most of my code, but I'm getting 2 errors that are connected and I have no idea how to fix it. Here is my code: …

I'm starting my Computing project and am using Python linked via sqlite3 to a database. As part of my project I shall be searching for maths books in the database via name or module etc. I wish to display the results on a GUI in python so need to set …

Wassup. I'm writing an application for web development. I have run into an issue and can't seem to overcome it. I have a button within the application that upon being clicked, will create a new tab that contains a rich text box. This new tab can then be used to …

i know use SetConsoleTextAttribute(): SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), ForgC|(BackC<<4) ); (too be honest: i don't have sure if i can avoid the '<<4') i need ask these: can i add it more data and then use it? like: Blink=128 SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), ForgC|(BackC<<4) | Blink); and then test if these value is there?

How to extract data from xml file using xml minidom with respect to tags in xml file

Hi, just wanted to know how to delete a record from datagrid, i tried the following code but it gave me an error in deleting records, I am using Mysql Database. Following is the code: [code] Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click 'recorddelete() Dim …

We're looking into the Enterprise Library, to see if the security part will fit our needs. We want to use application roles/rights, so we probably need to write our own security provider. What I'm looking for are decent resources on this specific topic. I've found several books already on the …

Hello, Need some help with Pointers, please. I have base class ShapeTwoD and 3 derived classes: Cross, Rectangle and Square. Each have different x and y values input by user. Eg, Cross has 12 sets of x,y coordinates, Rectangle and Square have 4 sets each. Can I know how to …

****Hi everyone! I have to make a pig latin translator for cs hwk. I've made my code and everything works up until i put it together. I need to debug it, but can't figure out the if statement in the main. The assignment is "Here's how to translate the English …

I have this code working on VB.NET 2008 but not working in VB.NET 2010 and show no error code. When I use the query analyzer the query work good, but when I try on my code nothing happen. I can do SELECT code and that ok, it’s just the update …

Hello, is this how a constructor is created and initialized. I am getting an error; VB does not like the "New" what I am trying to do is to create a constructor with one argument and initialize its attribute. Public Sub New(ByVal newProdNumber As Long) intProdNumber = newProdNumber End Sub …

Hi I need help in making an auto complete feature in my datagridview where if I input a certain cell it will automatically have a value or it will have a autocomplete suggestion (like a textbox link to a table) based on my other table. I don't have any clues …

I need help converting ascii to hex. This is my code so far. ASCII DB 0DH,0AH,'THE ASCII CODE OF $' HEX DB ?,' IN HEX IS $' CHAR DB ?,'$' .CODE MAIN PROC ;initialize DS MOV AX,@DATA MOV DS,AX REPEAT: LEA DX,MSG ;get message MOV AH,9 ;display string function INT …

I have this code: private void words(string path) { List<string> text = new List<string>(); var intro = "Video File Name:"; var words = File.ReadAllLines(path) .Where(line => line.StartsWith(intro)) .Select(line => line.Substring(intro.Length).Trim()); } When i use a breakpoint and look after all on the variable words i see: System.Linq.Enumerable.WhereSelectArrayIterator<string,string> I want to …

Hello everyone, I have a project which i want to publish but the problem is i don't know how to add my name as the developer in the setup... can anyone tell me how to do that... thanks in advance

Write a payroll program that pays time and a half for anything over 40 hours. This should have 3 functions in addition to main The first function asks the user how many total hours were worked and the pay rate and returns this information to main. These values must be …

I need help reading a bool function from my HW assignment, I am not asking you to do complete my assignment for me. All I need help with is reading my bool function in main. Thank you for looking #include<iostream> #include<fstream> #include<string> using namespace std; struct StudentType {string studentName; int …

ProducerConsumer_Using_ExecutorService class in a for loop initiate producer consumer threads using worker threads from ExecutorServiceThreadPool class. consumer thread takes an element from queue adding it to ArrayList consumerdata. Seems that consumerdata has no elements. why is that; Both producer - consumer threads seem to work. import java.util.ArrayList; import java.util.Iterator; public …

Hi, I have writen a code whit some functions and the program start by launching on of those functions. The problem is that some of the variables in the functions need too be accessed by other functions. I know that I can use global "variable name" but is there a …

import time pause = time.sleep(3) print "Welcome to the Game of Choice!" pause print "You will be given multiple choices throughout this adventure. How you choose determines how you end. Please answer questions in all lowercase letters. On all questions that require a yes or a no, type out the …

I am trying to generate a program using the builtin Random and generate an algorithm that determines whether the number is odd or even. I need to write a program that generates 100 random numbers, determine if its even or odd and finally count the number of even and odd. …

So I am trying to create a text editor for php, html, css an JS. I have a tab function that creates a new tab, and inserts a new richtextbox ready to type code. My problem is this, how do I select only the text from the currently selected tab …

hi I have this code that will send my panel into a printer but the problem is it doesent let me choose which printer I will use any idea on how can I make the printer window appear? thanks Public Class Form1 Dim img As Bitmap Dim WithEvents pd As …

Hello, all. I'm creating a program that lets a user play Hangman. I've attached the directions for the program for clarification. My code is pasted below. I've set up a couple methods for it, but I'm having difficulty in understanding how to call these methods in the main class (assuming …

Hello, I've searched around and found similar threads to my question, but haven't really found something that has helped this concept click. I'm trying to create 4x4 array that holds 8 pairs of numbers in randomly generated spaces. For example, the array: 1 1 2 2 3 3 4 4 …

Hi, I'm working on my assignment there are two parts of the assignment first part was to create class (ClassOne,ClassTwo,ClassThree,ClassFour,ClassFive) ClassFive extends ClassTwo and ClassTwo is abstract the secod part is to add the iobserver and iSubject , but I don't know how to implemet this part in the UML …

Im new to java and I need a little help. I store the usernema, password and name in user.dat file. The user enters his usernema and password , if its a match it prints his name on the screen. If its not a match the user is asked to register-add …

This is not a problem that needs to be solved but a question to understand C++ code better. I have an assignment that has a class to get a date input where the validation for leap year is a member of. I found many examples online and one stands out …

Hello fellow programmers, Im quite new to python and im trying to create a multi question quiz. I will paste my code below and it keeps saying I have syntax errors everywhere but I try and fix it and it simply hops to the next line. Could someone please tell …

I am trying to load multiple jpeg files into java using BufferedImage. I can load and display one file using; BufferedImage loadImg = loadImage('trial0001.jpg); When I try to add a second file, all I get is error messages. Thoughts please. Thanks

I just begin studying Java programming language and I want to solve cubic equation, but I do not know how to solve it and count the cubic root in java. Could you help and guide for me, please?? Thank you so much!

I have a thread in the php area but my question is from python and php world a like so I would like some input form you guys on python part. [PHP Python web future](http://www.daniweb.com/web-development/php/threads/466242/php-framework-or-python-framework) Thank you.