Software Development Forum

I have multiple listviews on a form (WinForms). List items can be dragged to other listviews. Is there a way to cancel a single item within the dragged items list? The target listview determines whether or not a single item can be dropped there. I'd prefer a solution that will …

Hi Dw I'm glad to find one active VB forum for the old VB I used to get the solutions in .NET and I'm also a .NET developer but had got a problem the computer that I'm creating this application for is using old Windows OS such as XP and …

I have problem that when i click JComboBox i will display all ProductName in JComboBox but when i click it again the items becomes dusplicate means again select statement called i only want that if i click once it will update the JComboBox not as many times i click it …

Hi again I want to display my table in excel to my datagrid. I want select the 5th row of my spreadsheet as the column header. I have no problems of displaying it in DGV when my column header is at the first row. Now I need to have my …

i am having difficulty with the binary search function for some reason the comparisons are coming up much higher then they should be. heres my code from main comp = 0; for( index=0; index<Max_Tests; index++) { results = BinarySearch(list, test[index], comp); cout<< setw(5) << test[index] << setw(15); if( results == …

how to can i insert data in another table without using wizard dataset and i have a variable that date and time that can be used on date time picker please help can anyone simplyfy the code?

I am creating a game project in BlueJ but the "drop" and "items" commands do not work. When I call either one of them in the game I get a "nullpointerexception" error message. This is the drop method in the game class, which compiles but does not work: /** * …

Why is this not working, no errors? photo exists in correct position... gui doesnt alwyas show up, image doesnt. Using python 3 from tkinter import * from random import * import time mainGUI = Tk() width2= 319 height2 = 240 widthOfScreen = mainGUI.winfo_screenwidth() #Get the width of the screen heightOfScreen …

This Assignment is in line with our University’s Concept on Students Working on Projects in Real Live Situation. The industrial unit that is assigned for your project is “Wing’s Café” located in the plaza. As you very well know, “Wings Café” is one of the most successful business units of …

I am trying to implement an item class to add items to rooms in a game in BlueJ. However in the Room class the addItem method is not working because of a problem with the "items.add". I have no idea what I am doing wrong. public class Room { private …

As it is said in the title i can not get the keyword string. I finally found a version of C for windows 8 but now i can t get the most important thing types int, double char,bool ect... work perfectly and always show as a keyword but somehow i …

hoe to create the gas agency project in vb .net pls send detalis

I wish to create a loop which adds images across a screen with random positions: photo1 = PhotoImage(file=address) #Assign image to PhotoImage XValue = randint(0,widthOfScreen-width2) #width2 = image width YValue = randint(0,heightOfScreen-height2) #width2 = image height Label(mainGUI, background = "white", image = photo1, borderwidth = 0).place(x=XValue, y = YValue) the …

I have the following public class bucket<String,Integer>{ private Integer num; . . . public bucket(){ num=new Integer(100); } } Eclipse spits out an error saying that it cannot instantiate the type Integer. Why is it saying this?

import java.util.*; import java.io.*; import java.text.*; import java.lang.*; public class Pascals_Triangle public static void main(String[] args) throws IntegerEntryFailException { new Pascals_Triangle(); } public Pascals_Triangle() { int lines = 0, index = 0; char q = ';'; String string = null; Triangle myTriangle = new Triangle(); Scanner scan = new Scanner(System.in); …

Hello, I am just starting out with Java. But I had a big puzzle when I am in the first chapter. It says that we have to "initialize" the handle when we are creating one, like String s = "asdf", And later it says we have create a new object …

I need to read in sentence and then put each letter into an arraylist. When I'm done I need to out put the letter that were in the sentence and how many times they appeared. ex: hello how are you h2 e2 l2 o3 w1 r1 y1 u1 So, I …

Hey Daniweb, I have recently started working with threads in the c++11 library. I started with a simple dispatch mechanism where I have a queue and that would get passed to the threads and the threads would take turns emptying the queue. Since each thread needs to share the queue …

def main(): p =input("Enter your sentence: ") words = p.split() wordCount = len(words) print ("The word count is:", wordCount) main() I get the read out: Enter your sentence: Hello world Traceback (most recent call last): File "C:/Python27/idk.py", line 11, in <module> main() File "C:/Python27/idk.py", line 3, in main p =input("Enter …

how do i backspace from last number and also clear th? last equation and add a quit button????????? from tkinter import * from tkinter.font import Font def button(frame, text, command=None): ft = Font(family=('Verdana'), size=14) return Button(frame, text=text, font=ft, width=3, command=command) def frame(frame, side=LEFT, bg="black"): f = Frame(frame, background=bg, padx=5, pady=5) …

I have multiple jcomboboxes spread throughout my program. Most of these boxes get their data from names or text strings found in databases. Normally when adding a new item, it is added to the bottom of this list. What I want to do is when I add an element to …

Please help me, I want to make a quiz in python (And a game, if I get the time), can someone help me? I saw the topic projects for beginners, but it was a .dat file (which I opened using notepad 2), I don't know how to use a dat …

HI. I'm new at programing in Java and I made a little program that: 1. Show current date 2. Show curent time 3. When button about pressed pop up about 4. When button setalarm pressed set Alarm(for begining in minutes) The problem is when i run the program everything works …

hi everyone im doing small vbproject that must auto generate id using the current date format in vb.net-(VISUAL STUDIO 2012) with Ms access database. When the button1 click the autonumber should be displayed in text. And when it save, it should be saved in the database access. The id number …

write a template for a function called total . the function should keep a running total of values entered by the user , then return the total . the argument sent into the function should be the number of values the function is to read . Test the template in …

Hi all, Iam using [B]vb.net and WPF[/B] In a wpf window im showing a datagrid in the load event while in the load event itself,i need to count grand total amount from a single datagrid column and add it to a textbox in same page . My page looks like …

For the maze program, with '*' indicating a wall, ' ' indicating a corridor, and '#' indicating a solution path, where I have to use a recursive backtracking algorithm, I am still having trouble print the maze solution. Here is the unsolved maze: 8 12 ********** * * * * …

Dear friends pl help me I want to select data from a data base table Tran with two selection criteria one is number and the other one is text When i use one criteria it works well But i am failed to use the two criteria my code is here …

Hey guys i am having a problem with displaying a single record out of a text file the code is not reaching the "if" function in the while loop of the "getRecord" Function please help. Everything else is working import java.io.*; import java.util.Scanner; import java.util.InputMismatchException; public class FileTest { //Globals …

Hey guys, As the title says, I want to know how I can reverse the characters in a string, but retaining the placement of the words as such, here's the code I used: [CODE]class reverse { void reverse(String s) { int l=s.length(),j=0; String s1=""; for(;j<l;j++) { char a=s.charAt(j); if(a==' ') …

I am trying to create a player class to pick up and drop as well as carry items and this is the code I have so far. However, I am unsure what needs to be changed for it to work. import java.util.ArrayList; public class Player { private String Name_; private …

What is possibly wrong with this code ? data segment msg db "Enter a character: " data ends code segment assume cs:code , ds:data mov dx,data mov ds,ax mov dx,offset msg mov ax,08h int 21h mov bx,ax mov ax,4c00h int 21h code ends end 

In this program, I am trying to print a solution for the maze with '*' indicating a wall, ' ' indicating a corridor, and '#' indicating a solution path. I am using a recursive backtracking algorithm in this program. For instance, here is a small (8-by-12) maze: 8 12 ********** …

can anyone help me in this problem? i have to put sql server data in my combobox on my form, i watch several tutorial in youtube and read here some other codes but i still don't how to. please can anyone help me? Using combocon As New SqlConnection("Data Source=NSSISQLSERVER;Initial Catalog=NSSIDB;Persist …

I am trying to read in a word to a string and then output the letters, in alphabetical order, and count how many instances of that letter. array a 2 r 2 y 1 #include "ArrayList.h" #include <iostream> #include <string> struct ItemType { char letter; int count; }; int main() …

Write a program to read a maze from a text file into your array, print the unsolved maze, solve the maze, and then print the solution. You may assume the maze will fit in a 24-row by 81-column character array (for 80 character C-strings). The maze will be in a …

this is probably a dumb question but how would I remove the array so that there is no max size on it. struct StudentType { string studentName; int testScore;//Between 0 and 100 char grade; }; const int NUM_STUDENTS = 20; int main() { StudentType student[NUM_STUDENTS]; } this is what i …

I am trying to add /edit records in an embedded database. I have written some code that I think might work, but I would like a second set of eyes to look at to see if it is coded correctly..... private void Save_Item___MouseClicked(java.awt.event.MouseEvent evt) { if ("Equipment - Mundane".equals(jComboBox1.getSelectedItem().toString())) { …

Can't get this work properly: FormatRange(ref ws.Range[curRange.Offset[1, 0] , gives A property or indexer may not be passed as an out or ref parameter Any help would be thankfull public static void WriteDetailData(ref Worksheet ws, string type, ref int row, int col, Hashtable parts, Hashtable refList) { Range curRange = …

I am using the richtextbox, and now when I am saving the File, then the File get saved but not as I want.? Example: File Name: example File extension: .txt Body: **1.)**Hey guys, Whats up? **2.)**R u Fine ??? **3.)**Reply soon Now When I save the file and open in …

I'm trying to finish up this vending machine. It worked well until I tried to add multiple items via inheritance while using a toString method. I'm not sure what is wrong about how I've done this. import java.util.Scanner; public class VendingMachine { public static double moneyCredit; public static double itemCost; …

Is there any option which i can activate when using ECLIPSE so that when i m typing S... for String or i.. for int etc... to automaticly give me suggestions that i want a int if the first letter is i or i want a String if the first letter …

My computer does not have the swing.properties. How to make a swing.properties file and with what software?

Hi, I am new to java, so please be nice. I am trying to make an application in Netbeans, i know the basics of how to use the program but get a little stuck when it comes to programming. At the moment i am trying to get a button to …

from graphics import * def patchdrawer(): win = GraphWin("Patch drawer", 100, 100) for x in range(0, 5): for y in range(1, 6): p1 = Point(x * 20, (y - 1) * 20) p2 = Point((x + 1) * 20, y * 20) rectangle = Rectangle(p1, p2) if (x + y) …

raceback (most recent call last): File "C:/Python32/n", line 1, in <module> from Tkinter import * # button text list cmdlst = ['7', '8', '9', '+', '%', '4', '5', '6', '-', '**', '1', '2', '3', '*', '//', '.', '0', 'CL', '/', '='] class MyButton(Button): backref = None def Click(self): # back …

Hi to all,can someone can help with animation project and help with the steps. I have canvas created and a few imagesof pacman 7x7 px ,how will i make him move left,then right,up? It something to do with positioning.And second question is how to put the diffrerent color on the …

When i compare two strings i can use strcmp. But i want to know that when i compared more than 2 strings. Have any function OR method i can use? Thanks.

Hey guys, Now that the previous problem was fixed I was finally able to run my program but now I just don't know what is wrong. Everytime I would enter in a few numbers and let it run, it would print out a series of the same number. Can someone …

I like to know how to add the no at the each new line before starting. I know how to count total lines. but I am lacking some knowledge on how I can Add new line number before New line and also the selected line get background colour different then …