Software Development Forum

I'd like to print preview and print 3 tab pages from a windows form. Below is my code. I was able to get it to work if it's only one tab. but not 3 tab pages. [CODE] Imports System.IO Imports System.Windows.Forms Imports System.Drawing Imports System.Drawing.Printing Public Class Results Dim bmp …

I have an issue with my python code and in some cases, users are getting the "IndexError: list index out of range" message. However, I'm not getting the error and it's not happening with every case so it's a bit confusing. I did search the site and found this article …

I'm having troubles with a cin statement in my code and need some guidance. I need my code to refresh an array with completely different ASCII characters, then have the user enter a keystroke and have the refresh speed increase by a few hundred miliseconds every time. Now my C++ …

Hi, I'm working on a simple calculator in Delphi. The assignment is convert C code to Delphi code. My problem is that I've tried for days and I can't come up with something to replace "getchar" from the C code. This is the code in C: [CODE]#include <stdio.h> #include <stdlib.h> …

I recently received an 'A' on a program I submitted for the programming course I'm currently taking. I'm on spring break and I was hoping to use my spare time to do some studying, so I took my 'A' program and tried to run it in Visual Studio Express, and …

print "Hello, World!" ;) Hi, everyone, Venku (a.k.a Python Newb) here. I just kind of randomly opened up Python today (I do that a lot), and I decided I would finally ask this: What does the "is" statement do in Python 2.7.1 (if the ver# matters)? I checked out the …

Ok, so my task is to Write a simple TCP client that fetches pages from web servers.The client should be invoked with the command (for example) >> webclient [url]www.yahoo.com/[/url] >> webclient [url]www.msstate.edu/academics/[/url] • The client should get the response from the HTTP server and print it on the screen. Here …

Hi, I'm making a system where only the supervisors can use the Ctrl+Alt+Del to bring up the menu (Vista / Windows 7) or start taskmanager (XP) Since my application will not be running on anything less than XP I don't need to worry about 95, 98, ME, 2000, etc. I …

Warning Newbie here. I am trying to read a properties file and set the values to be used throughout the code. I can open the file and get the values. I am struggling on making the accessible for other classes/methods. Here is what I have so far: [CODE] Properties configProp …

[CODE] #include "stdafx.h" #include<iostream> using namespace std; class Shape { public: virtual void fun() { cout<<"in base"<<endl; } }; class Square:public Shape { public: void fun() { cout<<"in Square"<<endl; } }; class Circle:public Shape { public: void fun() { cout<<"in Circle"<<endl; } }; int _tmain(int argc, _TCHAR* argv[]) { Shape …

I just cant get my head around it. Is there another way going through a singly linked list without using some kind of helper function? The header file wants me to implement: [CODE]size_t priority_queue::size() { /* code here */ }[/CODE] Now I just could create a helper function that has …

ok lets say i have the following text T 2 X F X 2 Y G Y 1 Z Z 2 G 1 I 3 T G E F 2 I E looking at the first line t is the vertex 2 is the number of edges it has and …

Hello guys im working on a project for my class and im stuck. i dont have much of experience with linked list and my book isn't helpful with this project. Here is what the project is about: Develop an interactive program to implement basic linked list operations including: 1. Add …

I have this homework assignment to make a calculator using a stack and converting infix to postfix. My infix to postfix method works fine. But the other method to evaluate it works for all cases except when multiples or divisors result in double digits. My calculator does not support double …

What I am doing here is in one class reading in a file where the first line contains info about the number of rows and columns in a grid to be made in a GUI representation. I made the first class read in the file, and returns a value "e" …

Hi, I'm building a clustering algorithm and need to visualize how data is distributed and relationed. For this, I'm thinking in histograms (numerical and categorical data) and scatter plots. If possible, a 3D like plot like [url]http://www.opendx.org/inaction/datamining/images/original/mci3.jpg[/url] would be nice, but is not required. I'd like to be able to …

Hi, i am trying to get create a line chart with using WPF, the chart will show a trend of a data on a time range, so the chart will show the value of several series of data on months interval, this is what im trying to achieve: [ATTACH]20732[/ATTACH] i …

Hi, i'm trying to implement a print function and i can print a single string out but i'm having trouble configuring the page setup properly, mainly moving to a new line when the margin of the page is reached and moving to a new lines for each string in a …

i want to make a tictactoe game. But i want all the rules are on the classes and call them to GUI. How can i send the ClickHandler public to the GUI??? here is the class code: ( public void ClickHandler ) [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; …

In a program I am writing, the one line of declaring an ifstream object causes the program to "crash" and a non-zero return code to be returned. Instead of pasting the full program here, I'll paste a sample program that "crashes" just the same. I put "crash" in quotations because …

i would like to show an image in a datagridview cell giving the path of the image.. how can i do so?

HI, I have written a small program that uses a while loop to calculate how many years it takes for an investment to double given an interest rate: However, I think there is something minor wrong with the calculation for years, since when testing I put in 100% it should …

Hi. i need to count the number of times a button has been clicked in C# windows application. for asp websites i know how to do it using viewstates but i dont know how to do it with windows form application. Any help will be greatly appreciated.

Hi, I am really confused. Everywhere I read on the internet, I see that the += operator is part of the string class. I want to add something onto the end of the string. Why does my code not compile? I keep getting the C2088 error: illegal for class. If …

I keep getting an error: System.Data.SqlClient.SqlDataReader. Any idea on why this error is arising? [ICODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data.SqlClient; using System.Data.Sql; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { string strconn = "SERVER=22.3.1.9;User=CHMSE;password=18465!JFKi8nis;Database=CFOH"; SqlConnection conn = new SqlConnection(strconn); conn.Open(); SqlCommand cmd = …

Hello everyone, I am creating a C# application that has a Web Browser imbedded in it. I am using Microsoft Visual Studios C# Express Edition so I just dragged and dropped the web browser into the application. What I notice though, is when I run it and do a search …

I haver this piece of code. which is giving me a nullreferenceexception.. [CODE]private void dgvMessages_SelectionChanged(object sender, EventArgs e) { if (dgvMessages.CurrentRow == null) { return; } try { int select = dgvMessages.CurrentRow.Index; //NULL REFERENCE EXCEPTION DateTime dateTimeMessage = Convert.ToDateTime(dgvMessages.Rows[select].Cells[1].Value.ToString()); string date = dateTimeMessage.ToLongDateString(); string time = dateTimeMessage.ToLongTimeString(); lblDate.Text = "Date: …

Hi, what does this mean in c++? [CODE] sum += c[/CODE]

Hello all.. I'm looking for how to count words in textbox. Any help will appreciated. Thank you.

[CODE]#created by Jaron Graveley #April 26th, 2011 #This program completes reservations for Jon Von Poechman’s airline in an easy to use program #variable list: #i=counter used to limit the number of seats present on the diagram #n= counter to display the row number on the diagram #num_booked=counts the number of …

how can i send an email frm c# pls?

Hi ... i want to send multiple screenshot images from my client to server.. now i already get the screenshot code.. and the only problem i have is that .. i can't send them in my server.. any code will help... Thanks Ahead.. God Bless...

[CODE] namespace Test1 { public partial class Form1 : Form { string emp_code = ""; public Form1() { InitializeComponent(); } private void Uploadbutton_Click(object sender, EventArgs e) { openFileDialog1.ShowDialog(); filenametextBox.Text = openFileDialog1.FileName; }//Uploadbutton_Click private void save_to_DBbutton_Click(object sender, EventArgs e) { SqlTransaction transaction = null; string servername = ""; string dbname = …

Hi everyone, I know there's a section designated for Mobile Development but, that's really dead and It wouldn't hurt anyone if I posted here - It's a C# related question anyway. I'm making a Naughts and Crosses game on my Windows Mobile - HTC. The game works fine, I can …

Hi folks, I am learning C++ programming. Below mentioned program giving segmentation fault ONLY WHEN if I declare 'struct s a;' ABOVE 'struct s *b;'. Can anybody tell me the reason? [CODE] #include<iostream> using namespace std; struct s { int m; }; int main() { struct s a; // if …

hi, how to call exe file with some parameters from java and save the output of the exe file in a specified path. Please let me know immediately..its urgent!!! I am using the following code : I want to save the file after running this DPAnalysis.exe on jan.xls into my …

Hi, I wrote a program for detecting circles using Hough Transform using OpenCV in C. The program inputs 3 images, each image contains a fixed small circle and a big circle with variable position. The program then recognizes both the circles and marks the centres of both the circles. Now …

Hello, I'm re-creating the game Riveter using wxPython. I have all the basic fundamental groundwork done, and now I'm just trying to polish certain aspects. I am, however, having problems removing buttons from the screen. I have a panel, with a vertical sizer inside of it. Inside of that vertical …

Hi, I have a question about generating a 1kHz sine wave. First of all, we can't use the sin function so I just made a function that evaluates sin at some point... [CODE]int generate_sin(int t); { int sin; sin = t - ((t^3)/(3*2*1)) + ((t^5)/(5*4*3*2*1)); return sin; }[/CODE] Now, this …

I am trying to work on a project for school from home. The school computer has Oracle and I am trying to access it from home using Java/JSP. Currently I have Java SE with NetBeans installed on my home machine (Windows XP SP II), but not Tomcat or Oracle. The …

i m using vb.net with oledb connection when retrieving data from EMP database i m getting error as syntax error(comma) in query expression 'eno='1',lname='',fname='' And FromPay=## And ToPay=##' plz help... [CODE] Private Sub PopulateNameList() Dim Connection As New OleDbConnection(ACCESS_CONNECTION_STRING) lvName.Items.Clear() lvName.Sorting = SortOrder.Ascending Dim cmdfill As New OleDbCommand("SELECT eno, lname …

Hey I'm trying to manage some processes So ive created a listview, the first column contains the name of the processes, the second should contain the id of the process, but I honestly cannot figure out how to get it working, making the "ListViewItem" control, but its not really working …

that is expected output is [CODE] sun mon tue wed thu fri sat 1 2 3 4 5 6 7 8 9 10 .... ... ... 29 30 31 [/CODE] my code: [CODE]static void print_31days(int a[][]){ int i=1; while(i<=31) { int some=0;//some is the startdate of the month of the …

hi all, i need to develop windows applications(c#,mysql)as i have started to develop applications recently i need some examples to refer(which includes almost all controls) may be like customer maintenance or order placement form etc..so can any one help me out.. thanks a lot,

Hi all , i have a string var containing info like this. [B]STRING[/B] = "Are you posting in the most appropriate place [B][COLOR="Red"]PKG0620_REL_23_Nov_2010[/COLOR][/B] to receive relevant replies" So, my program will ask only "PKG0620" info to be given by the user which i am storing in SEARCH var. SEARCH = …

i've a problem to split a joining multipe type of file here's my code for joining two diff type file, pict file (jpg) and audio file(mp3) an ouput is pict file contains audio file in it. a problem is how do i check this file is joining file or not? …

Hi, I need code to invert the selected items in list view. Can any one help me out.. Thanks in advance for help.. Regards, Sravanthi Ch

Hello, My group and I are currently writing a hangman-like program for our class (I know hangman related questions have been asked a billion times, but bear with me). We are having issues with being able to replace our * with the correct letter (if it is correct). Here is …

So I'm trying to code a program where it produces a directory listing of all files matching a specified file name pattern. I have compiled a code that is somewhat similar (But still functions differently) than the code I want; my code just lists the directory with full parameters. How …

Hello, I have not used Sql server. I have microsoft sql server 2008 installed. but when i click management studio, it says evaluation period expired. I can download sql server 2008 r2 developer from my university site. Should i go ahead and download sql server 2008 r2 developer and uninstall …