Software Development Forum

I have written a VB reservations program that writes back to a SQL 2008 database. When I write the reservation event back to the data base, I also write the reservation 'end time' back to the database as reservationtime + 4 hours in order to block off the event resource. …

Hello, My son is taking a java course in Hawaii. His text book is "Java Solutions by Lewis & Loftus 6th edition. He copied several text book examples and tried to compile them with JCreator and NetBeans 6.8, each compiler gave pages of errors. The question is " What is …

Dear all, I hope that you can help me with a vb.net problem. In my program the user chooses multiple options. When a group of options is given, than the program wil check if the user has give the right start and end value. See the code below If Me.cboA.SelectedIndex …

Ok cant seem to find the null pointer exception error on my code one moment its working fine the next when i add the 20 i get an error, and i dont know if this is what messing my find method. Between my tree is supposed to be a binary …

After much searching I cannot find a particular way to get a datafile into my structure. I understand how to create and manipulate the structure. C does not play nicely with strings is another thing I have noticed. I have tried many examples of how to do this but none …

Hello, I am trying to have a numeric box in WPF toolbox, I have the following code which is giving me the control in the tool box, but I am unable make it accept only the numeric input. protected override void OnKeyDown(KeyEventArgs e) { short val; if (!Int16.TryParse(e.key.ToString(), out val)) …

Hey guys, I'm in an introductory computer science class that deals with Python. We're assigned to create a dice-rolling program using Tkinter, and I have the interface pretty much down, but I'm having trouble linking it to the dice-roller. Here it is. import random import Tkinter win = Tkinter.Tk() win.title("Die …

I have am either missing a brace or have an extra brace somewhere. This code is also incomplete as I'm still working on the program. The "else" error is a squiggly red line underneath the "else" for the customer does not have a discount coupon. Thanks! #include <iostream> #include <string> …

hello everybody, can you do something like this: dim x as integer=1 button_x.visibility=Windows.Visibility.Hidden i have about 24 buttons on my form that i need to change the visibility for. which buttons need to be changes - is a variable i get from database query. so i'll get several rows of …

This is my designed form in VB.NET . What do you think about it ? Please give me some idea. [Click Here](https://www.dropbox.com/s/9ugkng13tz407k6/Untitled.png)

hello everybody; i have a problem, i want to convert a string which is an Equation to double, in order to use each part which is seprate by + or - ; how can i do that? thanks a lot for your helps.

hi how do i do this problem how do i put this in to an array p.assign(p1, A); p.assign(p1, B); p.assign(p2, _A); p.assign(p2, _B); so that it display as p1 A B p2 _A _B because everytim i call the assign method the array index are going to be 0,0 …

I have a little problem to solve .. i have a array with x, y, z co-ordinates in it as a tuple. I am trying to find the distance between each point and sorting the points according to the min distance. Can soemone help me with the algorithm ??

I have developed a application in java that connects to facebook on the basis of access token. I can produce access token manually by feeding in urls in browser. But I need something that automatically give me an access token. I am getting no idea, whether I can do it …

A piece of C code was creating core dump. When i simply added a few fprintf statement and printed the value of variales used in code to a file, surprisingly the code ran successfully. I tried the scenario number of times and the result was same "when fprintf was present …

this code is working for a counter of 6 bit and i need a counter of 48 bit ... if u have time kindly try it..... i try alot but not succeed #include<stdio.h> #include<stdlib.h> #include<float.h> #include<math.h> #include <time.h> #include <cstdlib> #include <iostream> #include<stdint.h> #include<conio.h> int main() { int a[64][6]; int …

Hi I can't seem to adjust the D3DXFONT_DESC properties. Sometimes it breaks at getDesc(...). I want to be able to have **each text row have their own font description and be able to change it**. Why is it not working??? Maybe I setting it in the wrong place or maybe …

hi guys. can u please help me in my project? code for a java program that accepts input number and displays the largest among the individual digits of that input. The sample output is here. Input Number: 123456789 Largest Digit: 9 We cant still use arrays guys because we didnt …

public class Calculate { Calculate() { int x,y,sum, multiply,devide; x=12; y=5; sum=x+y; multiply=x*y; devide=x/y; } public static void main(String[] args) { System.out.println("the sum of two numbers:" + sum); System.out.println("the multiple of two numbers:" + multiply); System.out.println("the devition of two numbers:" + divide); } }

I need a suggestion on the scenario I have, multiple application sharing same data. -I have a set of tools which is developed independetly, but there is a set of data they share. -Its around 7 Applications sharing some of the basic data and few data are specific to the …

I started programming courses 4 months ago and I can't solve this problem according to it's required order . I need your help as soon as possible and I think it is easy for you :D thank's in advanced :) a) Given an unsorted array of integers, your task is …

I have a problem with my combobox. I've set DataSource which contains a list of objects, DisplayMember and also ValueMember but there are times when the combobox displays the namespace where the object class is placed. For example: Project.Interface.Object cmbAuto.DataSource = Collections.ProfileList.FindAll(t => t.IsAuto); cmbAuto.DisplayMember = "Name"; cmbAuto.ValueMember = "ID"; …

Hi guys, i am trying to add a image as the background for my project but cant get my code right, heres what I got so far //beginning of 1 import java.awt.Graphics2D; import java.awt.Toolkit; import java.awt.image.BufferedImage; import javax.swing.JPanel; /** */ public class makeB extends JPanel { private BufferedImage buffer; private …

My assignment is to randomly generate a password based on the selection chosen by the user. So far, my code is unfinished but that's because I've run into a problem. For the second selection(Lowercase and uppercase letters). My password will display lowercase and uppercase letters but it won't be enough …

I need to create a palindrome tester program that ignores spaces, punctuation and uppercase/lowercase to determine if the string given to the user is a palindrome (same beginning to end as end to beginning). HERE'S WHAT I HAVE SO FAR: String str, another = "y"; int left, right; Scanner scan …

i'm having a hard time creating a program that will display the initials of a string provided by the user. The program should also display the number of words of a given string. i've tried this code, but the problem is, the program would only display the first initial and …

def CalcCentre(data): centre = array([0,0,0]) count = 0 for p in data: centre = add(centre, array(p[:3])) count += 1 centre = dot(1./count, centre) return centre

Hi, When i run my program below, i recieve this error: ***Debug assertion failed! Expression: BLOCK_TYPE_IS_VALID(pHead->nBlockUse)*** this exception occurs when returning from fitness function. #include <map> #include <algorithm> #include <vector> #include <fstream> #include<time.h> #include <math.h> using namespace std; #define generations 10000 #define popSize 120 // population size #define makeRandNumber ((double)rand()/RAND_MAX) …

cause of erorr enum,interface,class expected?give suggestions

Hi friends! I have a piece of code that I think should be working just fine, but I wonder why it doesn't work, and I get an "Syntax Error in INSERT statement" error message. Here is the code to affect a table called "Users" in my Access database. Dim cmd …

Hello! This is my first post, I'm new to java and I found when I search for things this site often shows itself on google results so why not join? Anyways I'm creating a text editor in java and I want to find out how to in for example windows …

Hi everyone, I have a problem with connecting vb.net to oracle database. At first I used VB.net 2010 express, but is does not support oracle so uninstalled it and replaced it with VB.net 2010 ultimate trial edition. Can you please give me some codes on how to properly connect vb.net …

Hi guys i am new here i want to help about: how to convert digit(number) into word for example: Enter a number:123 Output:one hundred twenty-three

Hai Experts, I am having difficulty in saving/storing multiple values in a listbox. Briefly, I have a combobox to choose from, where the value selected will be added to a listbox. From the listbox(with multiple entries),I wanted to save it to a field in my SQL DB. I've been stuck …

first buid array with images's --90 images PImage pic[]; void setup() { size(900,900); pic = new PImage[90]; for(int i = 0; i < 90; i++) { pic[i] = loadImage("section_"+i+".jpg"); } frameRate(0.5); smooth(); } than prnt image on screen int i = 0; int counter = 0; int flag = 0; …

hi, so i coded a projectile motion java applet, not only with this but with many other programs i get problems which seem to me to be a memory issue. But the first time lets say I shoot hte projectile it will not show the screen until it has landed …

Using the code below I need to implement it such that p_poly has only one term of any degree and contains no terms with zero coefficients. I have tried to implement a temporary variable to no avail and was wondering if anyone else had an idea or possibly lead me …

I was asked in my C# class to write a simulation of a Tic-Tac-Toe game, and although the assignment does not request what I'm asking about, I'm a little curious about something. It just wants us to use an array to hold a random 0 or 1, and then 0 …

I am writing some code that is manipulating strings. In this program there are two functions one to get the first/last name and one to get the middle inital. the first and last name function works properly however the middle inital function is not. This function should take an inital …

hi i have been trying to draw a stick figure, but i don't know how to start, pls i need a help.

I am looking at python and I want to allow the user to click on the centre of the screen and create a circle, this is what I have. Any help will be very appricated. import from graphics * def blueCircle(): win = GraphWin("Click Here") p = win.getMouse() circle1 = …

I have a void pointer that I casted to a char*. I'm trying to put different data types in that char* without having to cast so much. This includes doubles, floats, int's, etc.. char* Data = static_cast<char*>(GivenPtr); switch(reinterpret_cast<int>(Data)[0]) //Or should it be reinterpret_cast<int>(Data[0]) { case OBJECT: //defined as 301; { …

Basically my assignment is create the best Boggle board. Basically so far I've successfully created a randomly generated board, read in the dictionary, allocated dynamic memory for the dictionary, counted the frequency of each letter (for example 'a' has x amount of characters in the dictionary), and found the percentage …

Hi, I'm new to the C++ programming world and am having a bit of difficulty understanding the difference between a container and container adapter. I thought a container such as a vector, deque and list that hold objects. And an adapter is defined as something that converts something else such …

new to python

#include<stdio.h> main() char a,m; printf("1st\n"); scanf("%c",&a); printf("2nd\n"); scanf("%c",&m);

good afternoon gents, first semester cs student here. i'm having a world of confusion to create an X having the left formed with "+", the right side formed with "X" and the center with an "*". with an integer of 7, the output should look like: +-----X -+---X- --+-X-- ---^--- …

Hi I dont understand why this int keeps corrupting ::Draw works fine but the variable m_EndRow ends up as a funny number. The class is supposed to print debug info to my screen. ::AddText adds a row of text which is then printed in DrawTable. Simple problem if you already …

I need to export DataTable to Excel file. Is tehre anyone help me? I dont want to listview to excel... Regards.

Basically part of my project was to take the rows of pixels from a picture and make each row display twice, and the same for the column, and then eventually do them both together. However, I am having trouble with my loop to duplicate the rows or column. What I …