Software Development Forum

So I must build an app that has to do with mail address management and more. Let's say the user has an excel file with 2 millions of rows (email addresses). I made it the oledb way and the first mistake I made was putting ~500k rows in a datagridview, …

#pragma once namespace Hardware_Store { using namespace System; using namespace System::ComponentModel; using namespace System::Collections; using namespace System::Windows::Forms; using namespace System::Data; using namespace System::Drawing; /// <summary> /// Summary for Form1 /// </summary> public ref class Form1 : public System::Windows::Forms::Form { //array variables private: array<String^>^itemNoA; private: array<String^>^descriptionA; private: array<int^>^noStockA; private: array<double^>^priceA; public: …

Hi all, I'm quite new to Python (and programming in general) and I'm a bit confused about how to implement inheritance in an assignment I'm doing at the moment. The basic gist is: we're supposed to make a program that can record stock items for a company. We're to make …

I am able to find and replace in word, however all I want to know is if the word was found, I have tried the following code: This works oDoc.Content.Find.Execute(FindText:=x, ReplaceWith:=y, Replace:=Word.WdReplace.wdReplaceAll) This never give the true statement oDoc.Content.Find.Text = x If oDoc.Content.Find.Found = True Then But why not?

I am running canopy 64 bit Version: 1.0.3.1262 on mac Mountain Lion. I have installed virtualenv using easy_install. But while I am trying to execute the command: virtualenv venv --distribute It shows the following error: Using base prefix '/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents' New python executable in venv/bin/python dyld: Library not loaded: @rpath/Python Referenced …

I'm sorry. These question probably sound very stupid to you people. But to me they are extremely difficult. Imagine being completely ignorant with computers, and signing up for an intermediate level class (I did not take the beginner class)................ and NEEDING an A to make up for the 2 B's …

Hello people, I want create and use a simple library but this is the first time, so I need help. 1. If I have cpp file with it's header, how do I create a shared library with g++. 2. After I created the .so library, how do I include it …

An algorithm runs a given input size n.If n is 4096,the run time is 512 ms .If n is 16384 the run time is 2048 ms .what is the complexity of the algorithm in big-o notaion ? a)o(n^1/2) b)o(n) c)o(nlogn) d)o(n^2) o() is big-oh! is it logical ? I have …

I'm a beginner in phyton. i'm just starting to read things about phyton because we need it for our project. I really need basic and detailed instructions on how to use it and use it using notepad++. Could someone help me? or teach me? ill also do my part and …

Need help with Caesar Cipher. Usually I am aboe to figure the things out with just a small pointer.... but this one escapes me. I need to create a Caesar Cipher. **It must have an array. ** **I must be very simple.**(don't want to use that code where A = …

I have a Java code block like following: public TcpConnection(TcpSocket socket, long alive_time, ITcpConnectionListener listener) { init(socket,alive_time,listener); start(); } For the conversion in C#, When I try to replace the `start()` method with `System.Threading.ThreadStart()`, it gives an error. How can I start a thread in C#?

I am creating a game of Racing cars in java But the problem is that my car when moved in any direction makes flickering on the screen. As the project is a Core java project it can only be made in a Windows application form. I set the speed of …

hi. i made a simple chat app on vb 2005 express edition. Its juts a simple client server chat. could anyone help me turn it into a multi client chat. where more than 1 user could connect to the server. it must include a publich chat room where everyone connected …

I have created an application which compress & convert a file in .rar or .zip format.But it can't be open and give error that the file is damaged!!! string filetocompress = txtSourceFilePath.Text.Substring(txtSourceFilePath.Text.LastIndexOf("\\")+1); MessageBox.Show(filetocompress); FileStream sourcefile = File.Create(txtSourceFilePath.Text); FileStream destination = File.Create(txtTargetFilePath.Text + filetocompress + ".gz"); byte[] buffer = new byte[sourcefile.Length]; …

Hi there! I have a question related to filing in c++. I have to read data from a text file and load it into 2-d dynamic array. Here is the problem statement: 5 3 3 8 1 4 2 5 7 2 4 6 8 0 9 3 1 2 …

so I need to be able to open a text file, and when a button is pressed it searches for a tag in the file such as <l1> and anything after that tag would be put into a label. how would I go about doing this?

Hi I have a datagrid with 2 columns (Scores(Int) index 0 and Comment(varchar) index 1) Comment columnvalue depends on score columnvalue. This code works well in my cellvaluechanged event If e.ColumnIndex = 0 Then If Not IsDBNull(Me.dgvStudDisc.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) Then If Me.dgvStudDisc.Rows(e.RowIndex).Cells(e.ColumnIndex).Value >= 0 And Me.dgvStudDisc.Rows(e.RowIndex).Cells(e.ColumnIndex).Value <= 5 Then Me.dgvStudDisc.Rows(e.RowIndex).Cells(1).Value = "Very …

I have searched the google machine to the ends of they internets and back again and tried everything from clean builds to removing registry entries. This has vexed me for the past week. It all started out as a simple application project windows form style. New project deserves new visual …

Hey Guys, I'm Learning a bit more about things you can do with OpenFileDialog. One of the things was to see if I could move a file to specfic destination depending on the filename. That works fine However come to a halt when trying to do the same thing with …

Hi DW I created a program in NaviCoder For Java and now I want to export it so that it can be a exe file so that it can be executed on a computer on it own without the need of an IDE. Thanks

public class PolarCoordinates { public static void main(String[] args){ int r=10; double x=0,y=0,theta=30; x=r*Math.cos(theta); y=r*Math.sin(theta); System.out.println("The value of x is :" +x); System.out.println("The value of y is :" +y); } } help please? it gives me wrong answer. 10cos(30) should equal to 8.7, but it gives me 11.7 ans. 10sin(30) …

Anyone can tell me what is a module actually? how it differs from others files?

i want to retrieve data from Access table but i don't know where i am going wrong.here i am going to show my work which return errors:- Dim con As New ADODB.Connection Dim rs As New ADODB.Recordset Public Sub procedure1() con.Provider = "Microsoft.jet.oledb.4.0" con.Open(My.Application.Info.DirectoryPath & "\Database1.mdb") End Sub Private Sub …

So I want to convert this C language program to Assembly: void main { int year; printf("Enter the year: "); scanf("%d",&year); if(year%400 ==0 || (year%100 != 0 && year%4 == 0)) { printf("Year %d is a leap year",year); } else { printf("Year %d is not a leap year",year); } } …

Hi , I have a label control which is on web form (.aspx) and a button which is inside usercontrol , i want to change the label text on button click. OR on button click inside the user control change the text of label which is out side the user …

Hi I m a civil engineer. I have basic Idea in PHP and VB Now I want to make a civil engineering database software for PC windows. Which software will be good and easy for me. Thats mean Visual basic or any other softwaree. Please suggest me. Remember that I …

Hello, I made an arbitrary precision integer library a few weeks ago. It works well, but is bounded by `256^(8*sizeof(size_t))` because it uses a simple dynamically allocated array to do its work. I want some way to have theoretically unbounded storage. I think that file io is probably best, but …

I am new to C#.What is internal access modofier? I have googled it but getting some difficult terms like assembly etc. What is it in simple terms?

Hi Dw I'm creating an atm appication and now my research pointed me to use the Java Point Of Service/Sale (JPOS) my application allow user to choose the amount from the options displayed on the screen and the user will use the number keypad to make his/her selection and the …

code: #I meant memory card import pygame, sys,random from functools import partial def image(x=50,y=100,default=True,nondefault_color=(0,0,0)): if default: color = hiddencolor else: color = nondefault_color print color image = pygame.Surface((x,y)) image.fill(color) pygame.draw.lines(image, [0,0,0],False, [(0,0),(0,100),(50,100),(50,0),(0,0)], 1) rect = image.get_rect() return image def card(pos): x= pos[0]/50 #integer divison y= pos[1]/100 if (x,y) in flashcards: …

Hi all, I have created an abstract class Named Employee and one Sub-Class named FullTimeEmployee. In my abstract class "Employee", i have defined two constructors one without parameter and one with two parameter, both used to intializee first name and last name. My aim is to print payroll for employee …

c prog that take int x and pass it to thread to return x+10 i tried to free()mem i allocate in prog using malloc // problem i get this error Aborted (core dumped) #include <pthread.h> #include <stdio.h> #include <stdlib.h> void *fun(void *TX); int main() { int x =50; void *exitstat; …

How can I close a user generated button? Here's the code for the button that creates new user generated buttons: Public Sub Button12_Click(sender As Object, e As EventArgs) Handles Button12.Click TC = TC + 1 Dim TCP As New Integer TCP = TC * 100 Dim NT As New MyButton …

I'm running this code. SHELLEXECUTEINFO ExecuteInfo = { 0 }; ExecuteInfo.cbSize = sizeof(ExecuteInfo); ExecuteInfo.fMask = 0; ExecuteInfo.hwnd = nullptr; ExecuteInfo.lpVerb = L"open"; ExecuteInfo.lpFile = L"C:\\progra~1\\intern~1\\iexplore.exe"; ExecuteInfo.lpParameters = L"http://www.google.co.uk"; ExecuteInfo.lpDirectory = nullptr; ExecuteInfo.nShow = SW_SHOW; ExecuteInfo.hInstApp = nullptr; ShellExecuteEx(&ExecuteInfo); Sleep(5000); CloseWindow((HWND)ExecuteInfo.hwnd); exit(GetLastError()); It's not closing the window. And it's exiting with …

Greetings I am working on a mail client in visual basic, till now i can only send emails using smtp, but i am having troubles finding how to receive them. Could you help me with a working simple code on how to read/receive emails using visual basic using .Net framework …

Problem 1: When I need to display my zipcode, I get zipcode and city. Problem 2 : When I enter zipcode I get zipcode not found. This my zipcode and city 60561 Darien 60544 Hinsdale 60137 Glen Ellyn 60135 Downers Grove #include <iostream> #include <string> #include <fstream> using namespace std; …

hi! can someone help me with my problem, I'm using msaccess2003 and vb6. I've been trying to determine how can I save data using one form to two database. the scenario is like this, I have one form, the details of some information of the customer will be input in …

I want to set value for html input text through code behind but can't seem to work :( p.s. i'm new to c# and this is my first c# project. I appreciate any type of help or critic. Thanks! Error in banana.cs: "txt_URL" is not in context apple.html: <%@ Page …

plzz help me with this program #include<iostream.h> #include<conio.h> int sum(int s); int sum(int x); int sum(int j,int k); float sum(float p,int q); float sum(float y,float z); void main() { cout<<sum(0)<<"\n"; cout<<sum(3)<<"\n"; cout<<sum(6,7)<<"\n"; cout<<sum(5.5,8)<<"\n"; cout<<sum(4.9,3.5)<<"\n"; getch(); } int sum(int s) { return s; } int sum(int x) { return x; } …

How do you change the "Apply to" portion of the permissions on a folder from "This folder, subfolders, and files" to "Files only" and to "This folder and subfolders" ?

Hi All, I have created an application that allows a user to select a diectory, where we parse the photos, and upload to a database. The issue that I am having is that I have a button on the form found in the newJFrame.java class called upload that when pressed …

 okay guys this the program in which we have to add a record,modify it or delete it. it adds and shows it successfully but whenever we want to delete a record it doesn't. When we add to records and delete the second one ,the list looks like this,

can you please tell me how rand () is implemented ? i know it is library implementaion dependent. but still can you tell me the way in which it is mostly implemented ? i have searched on google, but didn't get anything which make me clear about my question. i …

Hi. I want to create a picturebox when a specific button is clicked. The code below displays nothing :( TC has an initial value of 0. It will count he number of times the picturebox has been created. Private Sub Button12_Click(sender As Object, e As EventArgs) Handles Button12.Click TC = …

I am looking for someone who can teach me how to segment a video file into chunks. Will appreciate it greatly if anyone decides to help me!

doing this works : contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new BorderLayout(0, 0)); textArea = new JTextArea(); scrollPane = new JScrollPane(textArea); contentPane.add(scrollPane,BorderLayout.CENTER); setContentPane(contentPane); however this doesnt : contentPane = new JPanel(); textArea = new JTextArea(); scrollPane = new JScrollPane(textArea); contentPane.add(scrollPane,BorderLayout.CENTER); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new BorderLayout(0, …

i would like to know the connection between socket and webservice,ws replace sockets?or can i embed cocket programing in ws?

Hi guys! can anyone help me with my problem? I'm making my project regarding I.D. System and I need to connect this Bamboo digital pen and touch, to use it as the signature for the I.D. Thank you in advance! :)

Hi All, Is there any way to read/extract data from sql server backup file without restoring it? Thanks.

How to make initials-counter program? Hello, I'm trying to make a program that asks for the user's initials (3 letters) and a block of text, and then reports how many times their initials showed up in the block of text. For example, if my intials are VKL, and I type …