Software Development Forum

I'm working on a program that calculates the day of the week for dates in history or the future. I have the calculation part correctly but there are 4 errors left that I do not know how to fix. Any help will be greatly appreciated! Thanks [CODE]import java.util.Scanner; public class …

I'm creating a small program to read from an SQL server, loading result into an array, pivoting the array to my liking and mailing it out to selected members of a group. It's going to be run once a day with Windows schedule. I have the connection, query and mail …

I am having trouble in sorting out what i need to do for my first assignment. open a text file, with colon char, 1 student number: 2 student name: 3 5 fields with marks; a algorithms: b mathematics: c java: d C++: e scripting open txt file read open txt …

i'm using [CODE]using (Graphics g = Graphics.FromImage(bmp)) { //Set quality to High g.CompositingMode = CompositingMode.SourceCopy; g.CompositingQuality = CompositingQuality.HighQuality; g.SmoothingMode = SmoothingMode.HighQuality; g.InterpolationMode = InterpolationMode.HighQualityBicubic; g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit; g.PixelOffsetMode = PixelOffsetMode.HighQuality; g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit; panel1.DrawToBitmap(bmp, new System.Drawing.Rectangle(0, 0, 2480, 3508));[/CODE] to draw the contents to an image, but the quality of …

I was wondering if there is a way to record video from a USB webcam to a .avi file (including sound). I know how to view video and capture screenshots, but I'd like to be able to record a section of video. If there really isn't then is there a …

I am using turbo c. I have a 2mb text file "tryy.txt" , so what i am trying to do is ,i am scarping the urls from the text file and saving it into another file. Now, after running the program, i get a meassage as "Null Pointer Assignment" on …

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Hi, I'm currently learning C# and I'm currently learning how to do C# and Database's. Does anyone know why it isn't adding the data in the text boxes to the db. Cheers Sam [CODE]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using …

[CODE]#include<iostream> using namespace std; int main() { int num,factorial(int n) ; cout<<"Enter a number "<<endl; cin>>num; } for(n=0;n<100;n++) { cout<<""<<n<<endl; system("pause"); }[/CODE] where i do wrongly? why i cannot compile?

Hi i m creating simple rpn calculator.I m getting following errors. C:\Users\Hamza\Pictures\CalcGUIPanel.java:63: array required, but java.lang.String found cStack.push(buttonOrder[i]); ^ C:\Users\Hamza\Pictures\CalcGUIPanel.java:213: currentValue is already defined in actionPerformed(java.awt.event.ActionEvent) BigInteger currentValue = new BigInteger(cStack.pop()); ^ C:\Users\Hamza\Pictures\CalcGUIPanel.java:215: operator + cannot be applied to java.math.BigInteger,java.math.BigInteger resultValue += currentValue; ^ C:\Users\Hamza\Pictures\CalcGUIPanel.java:223: currentValue is already defined in …

I would really like to build an application in C# that will send out faxes and e-mails. [B]On the client side[/B] (I could do this in C# or php) I would have a few customer groups setup to select from. Each group is pulling data from our customer data file …

i made a program in dev c++ to merge contents of two files into a single file but the merged file is showing garbage outputs. question:- Write a C++ program to merge the content of two files namely “Employee.txt” and “Salary.txt” into “EmployeeDetails.txt”. Sample contents of Employee.txt EmployeeName EmployeeNumber Department …

So, it sorts the books by price just fine, but I cannot get it to sort the books by title. I am most likely over thinking this, but I've spent a couple hours trying to figure it out. I've looked online and couldn't find the answer. I'm guessing the problem …

Hello all, I am trying to write the constructor for the HashTable class, so it will create an array when a HashTable object is created. With the code below, I am getting the errors: error C2466: cannot allocate an array of constant size 0 error C2133: 'arrayTest' : unknown size …

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidOperationException: The ConnectionString property has not been initialized. the error is here: line 20 Line 18: cn.ConnectionString …

very dificult oop, exception, inheritance task pleas. sorry, i'm hope you understand me.

I want to export my database selected information into word 2003/2007. If i use below code then it takes more time [10 minutes] for 20000 records to display. Is there any other way to display 20000 records into word 2003 /2007 within 10/15 seconds [CODE]Dim ds As New DataSet dscmd.Fill(ds) …

[code]#include<stdio.h> #include<stdlib.h> main() { float num,a,b,c,d,e,f; do { scanf("%f",&num); getchar(); } while (num>=0.75); a=0.0; b=0.0; c=0.0; d=0.0; e=0.0; f=0.0; if (num%2.0!==0) { a=num/2.0; num=num%2.0; if (num%1.0!=0) { b=num/1.0; num=num%1.0; if (num%0.50!==0) { c=num/0.50; num=num%0.50; if (num%0.20!==0) { d=num/0.20; num=num%0.20; if (num%0.10!==0) { e=num/0.10; num=num%0.10; if (num%0.05!==0) { f=num/0.05; } } …

I'm trying to sort an array of numbers in ascending order and don't know whats wrong with my code (I'm completely new to vectors). I should first copy the input array (data) into an STL vector, then apply STL’s sorting algorithm to the vector, and finally copy the vector back …

Hi Everyone Hope you are all well. I've been tasked with an assignment at collage to create an employee management system, so far i've done well and managed to create a working program which i am happy with :) However there is an optional function that can be created that …

Hi can u help me to listing number of file systems that have sizes between 1k to 10k and 10k to 100k ... in c++? I need it soon Thanks alot

Hello all, Lots of code here, but much of it can be ignored. I am getting an error on line 34 of HashTable.h, stemming from line 50 of main.cpp. I am trying to create an array of lists in the HashTable.h file. Error code is: \HashTable.h(34) : error C2440: '=' …

I'm trying to determine if this creates an array of pointers, with the array size being "size"? Is this correct? [CODE] int size = x; int *ptr; ptr = new int [size]; [/CODE]

Studying modern c++ design, looks like Typelist is a very important tool for generic programming. Could I find something like Typelist from boost? I found something like boost::mpl but I didn't see anything like Nulltype defined in loki Could boost::mpl replace the Typelist of loki? Thanks

Is it possible to write to an existing text file in a jar. I managed to read from it with getResource() but I am stuck trying to write to it, it gives me a file not found exception. Thanks

I am working on a moving object. so I created a menu bar for size and speed, the idea behind it is that each time small, big or medium is clicked it should change the size and same also applies to the speed but when implement the action listener its …

[CODE] statsButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e){ //Return the string "stats" to gameLoop() as cmd } }); [/CODE] [CODE] public void gameLoop(){ Scanner lineScanner = new Scanner(System.in); cmd = ""; System.out.print(getBoard().printBoard(false)); while (!cmd.equals("quit")) { System.out.print(">"); Scanner wordScanner = new Scanner(lineScanner.nextLine()); if (wordScanner.hasNext()) { cmd = wordScanner.next(); if (cmd.equals("board")) { …

Complete method called characterCount below so that it returns the number of times the character ch appears in the string s. [CODE] public int characterCount(String s, char ch) { } [/CODE] I know that I have to use a for loop and use s.length() as a stopping point. Other than …

I have 2 Windows machines. One physical for development and another (virtual) for testing. I want to write a PERL script that would take my compiled files and copy them to predefined locations on the virtual machine (backing up existing files). Before copying the files I need to check for …

I am using Visual Studio 2010 I have multiple forms and when I hit close button(red X, top-right) from any form, i want the project to close entirely. Now when I do this, this does not happen by default. I always have to click on the 'stop' button in VS …

I don't my deduction of NoDuplicates are correct or not please correct my error if I did [code] template<typename TList> struct NoDuplicates; template<> struct NoDuplicates<NullType> { typedef NullType Result; }; template<typename Head, typename Tail> struct NoDuplicates<Typelist<Head, Tail> > { //private : typedef typename NoDuplicates<Tail>::Result L1; typedef typename Erase<L1, Head>::Result L2; …

Hi Is there any way to do nested mail merge in vb.net . i can do only simple mail merge. but not nested mail merge. My Code gives: [code] <District1> <District2> <District3> [/code] What i want [code] <District1> <Code ID><Code Name> 1 pcs 2 pcs <District2> <Code ID><Code Name> 14 …

I've extracted some data from an SQL server, put it into an array, and want to mail it's content to a group of people. All quite easy, until it comes to presentation in the mail body. When I set it up manually in Excel and do Copy - Paste it …

I am a begining software engineer in college and have been stumped by a small problem. The assignment is to "encrypt" any text entered. All we have to do is make capitals lower case and vice versa, additionally we have to make a's z's, b's y's and so on. //import …

Hi all, I have a main GUI class as seen here: [CODE] import java.awt.*; import javax.swing.*; import javax.swing.border.*; /* * Class is to communicate with various other classes in the program to * create a roster for user based on their selection on GUI. */ public class MainGUI extends JFrame …

how to write the math function f(x) with Java where f(x) = y

Hello, in my program i want to read data from text file and display the data as keyvalue pair using console application. i am using below code to read the data [code]{ string[] lines = System.IO.File.ReadAllLines(@"C:\Users\ramy\desktop\grocery billing.txt"); System.Console.WriteLine("Contents of grocery billing.txt :"); foreach (string line in lines) { Console.WriteLine(line); // …

hi could anyone tell me how to get bit pattern of a negetive number. For example bit pattern of -1357 is: 11111111111111111111101010110011 and bit pattern of 1357 is: 00000000000000000000010101001101 but how????

Hi, I'm making an app that uses Collections. Everything went ok until now, what I've done: I've got a class that initializes 3 strings, those strings are private, so I have made 6 public functions that sets or reads values from those strings. Next I've made a hashmap, keys are …

Hello (Dunno if this is the right forum) But basically, I've been given some text to decrypt. I've got to do it using frequency analysis. Here's what I've done: 1. Got a frequency analysis of the text: Showing how many times a letter appears. 2. Got a frequency analysis of …

i have follwoing code in c++ .i want to continue it till suer give input as 'Y' or 'y' [CODE]// my first program in C++ #include <iostream> #include <stdlib.h> #include <conio.h> #include <stdio.h> //#inlcude <iostream> #include <stdlib.h> #include <conio.h> #include <ctime> using namespace std; void Evaluatexp(char ch[]); //void Evaluatexp(string ch); …

I have a Login validation problem, when Username = 123-incorrect Password = 123-incorrect Login Failed. when Username = onat12-correct Password = sambuca888-correct Login Accepted. now when, Username = onat12-correct Password = 123-incorrect Login Failed. now when, Username = 123-incorrect Password = 123-incorrect Will not validate Verification failed [CODE]using System; using …

Hi all, I just wanna know how to send a file through a socket connection in C language "client request a certaion file on server and server send him this file" i work on both winsockets and bsd sockets "client ==> windows, server ==> *nix" Thanks alot :)

I need to create an application with two forms. The startup form holds the names of the dormitories and the other holds the meal plans. When the user selects a dormitory and meal plan, the application should show the total charges for the semester on the startup form. Here is …

I am buiding a Tic Tac Toe solving robot using the LEGO NXT kit for my school project. For practise, I wrote a Tic Tac Toe game using the minimax algorithm which worked very well. When I wanted to port my code to NXT, I found out that none of …

Hi Guys, Is it possible to dynaically create table name in MS Access: Below is my CODE: [CODE] strSQL = "CREATE TABLE" + Me.Text + "( ID Counter," & _ "Name TEXT(50) NOT NULL," & _ "PRIMARY KEY(ID) )" [/CODE] But,im getting a run time error that syntax is wrong. …

I need help in making a C program that performs binary operations on two 16 bit binary values. It should look like this: Select operation (1) Addition (2)Subtraction Enter Choice: 1 Enter First binary number: 1111111111111110 Enter Second binary number: 0000000000000001 Sum: 1111111111111111 I have trouble using the functions, please …

Hello, I need to take a four digit integer and re-arrange it as follows... pre: 1234 post: 3412 I have been searching for a method to convert a char array to an int, so I can use the code below. Am I using atoi() incorrectly? The result I get when …

I've been Programming in C++ for a year. I am done with Basics and all other OOP concepts(like inheritance,polymorphism and STL) I want to be a game programmer, but i don't know what to study now? I've heard about OpenGL, DirectX, GUI libraries as a result i m confused to …

Guys,i want a small help from you.I have a created a database in MS Access and now i want to connect it to with Java Application by using ODBC Administartor.But when opens it,it doesn't show any driver for MS Access DBs.Do u guys know any driver for that.I'm using Windows …