Software Development Forum

hi to all, i am new in vb6 and im trying to make a project. Can you help me guyz, i want to populate the textbox in datagrid. im don't have the idea on how to do it. this is what i want to try , when i am inputing …

Hello , I can't figure how to properly measure time execution when I have 2 loops and I want to measure the time for the innermost loop: for (int i = 1; i <= N; i++) { ..... clock_t begin = clock(); for (int j =1; j<= M; j++){ //want …

by the book, i read that with WM_SIZE message i can get the client size instead use the GetClientRect() function: case WM_SIZE: GetClientRect (hwnd, &rect) ; VerticalScrollSize=rect.bottom; si.cbSize = sizeof(si); si.fMask = SIF_ALL; GetScrollInfo (hwnd, SB_VERT, &si); si.nMin = 0; si.nPos = VerticalScroll; si.nMax = VerticalScrollSize-2; si.nPage=2; SetScrollInfo (hwnd, SB_VERT, …

I have an assignment that is due tonight and I ran into a few errors. The first two parts compiled successfully just the third one ran into errors. I don't know what went wrong. The errors I am getting are C:\Users\Owner\Desktop\Inventory Part 3\inventoryTest.java:51: error: cannot find symbol NumberFormat nfc = …

For my Java homework I had to make a program that simulates 100,000 people going 25 times around a monopoly board and finding the percentage times a space is landing on. I get this error when I run it. Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 39 at Monopoly.analyze(Monopoly.java:86) at TestMonopoly.main(TestMonopoly.java:6) Here …

Having a hell using XPATH to parse out the values from the XML below. Wondering if anyone can tell me what I'm doing wrong. <?xml version="1.0" encoding="UTF-8"?> <XML> <VARIABLES> <var name="LoginUUID" value="F85373F9-00C4-7982-E043-AB7412ACA458"/> <var name="FExists" value="0"/> <var name="NumFTokens" value="0"/> <var name="NumPTokens" value="9"/> <var name="purchaseOptions_Poductname1" value="500 MB"/> <var name="purchaseOptions_Poductvalue1" value="7"/> <var name="purchaseOptions_Poductpricevalue1" …

I want to check if txtCRCNum1 is empty or not. If it is empty, then some values from frmComm will get displayed on frmcrc (which I call the default values). If not empty, then it will execute an SQL query which will select data from the value of txtCRCNum1 and …

Hi, I have the below datatable created through my C# code: Stock TotalPrice Qty TransactionType XYZ 400 10 BUY ABC 800 20 BUY XYZ 800 20 SELL ABC 400 10 SELL I want this datatable to be processed by LINQ / LAMBDA expressions in such a way that will give …

hello, I am trying to record video by aviwriter class in aforge but the resulting avi file is either 0Kb or the whole video is viewing only one picture 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 AForge.Video; using AForge.Video.DirectShow; using …

I'm working on a bit vector class that I'm using in a current project. Basicly BitVector is a container class for storing and manipulating data a bit level. I have two member fuctions for "setting" and "getting" bits at a given index. // Returns the bit at the specified index. …

Hi everyone, I wanted to write C++ a program that's going to logon to my twitter and alert me if I have any new messages or tweets. I found an article that explains how to log on to a website with libcurl, https://www.hackthissite.org/articles/read/1078. Using that article I've written a simple …

Hello, I was wondering how to pass an array to a class constructor. When I run my program, I get the same gross pay for every different employee even if I enter in a different number of hours for each one. That might be where I have a problem. Any …

I have a form which contains a datagridview and 2 textboxes. I have managed to populate the 2 textboxes as required by click of relevant row in datagridview. With the same click I also open another form which also contains 2 textboxes of the same name and these require the …

i need someone to assist me in writting lamda expression. THE CODE IS ABOUT 15 LINES use this code snipt List<fruit> fruits = createFruitArrayList () ; Frit LargeApple = null; for (Fruit fruit:fruits) { if (fruit.getType() == null largeApple = fruit; } } } just rewrite plz

I am new to Qt and I'm trying to connect a remote database. QSqlDatabase db = QSqlDatabase::addDatabase( "QMYSQL" ); db.setHostName("IP ADRESS"); // local or IP db.setPort(3306); // Default port is 3306 db.setUserName("DB USER"); // example root db.setPassword("PASSWORD"); db.setDatabaseName("DB NAME"); if( !db.open() ) { qDebug() << db.lastError(); qFatal( "Failed to connect." …

I'm trying to read a text file of a graph and print information about the graph including the order and size of the graph, rather it is a directed or undirected graph, if it is directed the in and out degree, and the and a list of all vertices for …

I'm revisiting a topic previously discussed in this thread: [url="http://www.daniweb.com/techtalkforums/thread23030.html"]http://www.daniweb.com/techtalkforums/thread23030.html[/url] The basic issue is this: when using a [b]StreamReader[/b], and [b]ReadLine[/b], to process a text file, you cannot determine where you are "at" within a file. This is because [b]StreamReader[/b] doesn't actually read from a FILE, it reads from a …

Do anyone know how to set a gif image as the background to my coding below? I just want it for my first window and not Demo1? The gif image is nameed "python_wallpaper.gif". from tkinter import * import threading from graphics import * class Intro(): def __init__(self,master): self.master = master …

I have to write a program that must compute and display the charges for a patients hospital stay. first the program should ask if the patient was admitted as an in patient or an out patient. If the patient was as an in-patient the following data should be entered: the …

Until now I've been replacing Enter key behaviour in controls (in base classes) with Tab key behaviour with the following code in the keypress event handler : If e.KeyChar = Chr(13) Then SendKeys.Send(vbTab) e.Handled = True End If Although it's worked for me until now, I have serious doubts about …

what is micro in c programming.

i'm testing the win32 scrollbars, but i'm with 1 problem: when i use the SB_THUMBPOSITION message, why the window isn't repainted( the WM_PAINT message isn't used)? case WM_VSCROLL: switch (LOWORD (wParam)) { case SB_LINEUP: VerticalScroll-=1; break; case SB_LINEDOWN: VerticalScroll+=1; break; case SB_THUMBPOSITION: VerticalScroll=HIWORD (wParam); break; case SB_PAGEDOWN: VerticalScroll+=10; break; case …

I am confused on how to implement this. I was thinking a loop, but the loop I was doing would only fill the array and make the stack full. Any tips/suggestions I can use to help me get through this mental block? I put the code for all three of …

I am trying to get my head around the functions etc in xslt with xml. I have made a dummy xml file <?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet type="text/xsl" href="books.xslt"?> <books> <book> <title>Hello Dolly</title> <author>John Thumb</author> <readers> <young_readers>17</young_readers> <older_readers>23</older_readers> <total_readers>40</total_readers> </readers> </book> <book> <title>Goodbye John Thumb</title> <author>Dolly Smith</author> <readers> <young_readers>12</young_readers> <older_readers>3</older_readers> <total_readers>15</total_readers> …

Hello. can You help me with my program. I have to enter two lines from the keyboard, and in the third line program must write the same words from the first two lines. I also can use standart Pascal functions. But in this code I use my own function and …

Hi sir this is lavanya. I am begginer in vb.net. I have a problem in deleting the first two words in a string. I am not using the loops.

I have a datagridview with 10 rows I can select mutiple rows by using Ctrl & Mouse click but what I would like to do is use a button to select the row. I.E the user could select row one, click the button and row one would be selected then …

hi all i have ekiga open source code that i want to modify but when i open the downloaded code in the text editior all i get is rubish i download the source from this website [Click Here](http://ekiga.org/download-ekiga-binaries-or-source-code) thanks in advance

package pkgnew.approach; import java.io.*; import java.io.IOException; import java.util.*; import java.io.BufferedReader; import java.util.ArrayList; import pkgnew.approach.NewClass1; public class NewApproach { public static void main(String[] args) { NewClass1 no=new NewClass1(); BufferedReader br = null; Date d1; int n, c, d,k, swap,i=0,j=0,no_of_selected_item=0,newsupport=0,multiply=1,support=0,t=0; int numItems,numTransactions; double minSup; long diff; String configFile = "F:\\DP1\\DPmodification\\Config.Datasetsmall.txt"; try{ FileInputStream …

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I used to have turbo c++ but it is outdated now, so the only problem i am having with that is that there was a great help documentation in turbo c++ for the language and i could just browse to any function of c++ and get its details. After turbo …

Well, this morning I tried to write a program to update environment variable's list. And I got stuck at a very crucial point. I think am making some silly mistake. A second opinion will be helpful. Algorithm: 1) Take complete path of environment variable into a string variable 'env'. 2) …

In my book a new tabpage is created programmatically this way: auto tabPage3 = gcnew System::Windows::Forms::TabPage(); but I want to do it without "auto" word because that's a new 2010 feature and I use VS2008. The MSDN solution didn't help. I hope it'll take just a little tweast to solve …

If I prompt the user for n number of printers, is there a way of creating n number of vectors on the fly as opposed to creating vectors and putting them in your class structure at the start? I have to create as many printer queues as a user specifys. …

There are tips on how to install Boost with Visual Studio, there are tips on how to install Boost with Qt , so my questions is : is it possible to install and later work with Boost with the two IDE's mentioned above ( I have them both on my …

What is a goodway to code a btn ation. To inialize adeaktop app from another desktop app. More over,run thejar use a eclipes build.xml . I built both apps in netbeans environment .

YO gUYS Please help me how to open a webpage in C++

Hi coders,,, I have to find mean,mode and median of a 2-D array : 2 5 2 5 9 5 8 3 6 10 8 1 10 10 7 1 4 4 3 8 4 3 1 2 4 10 3 9 8 5 6 10 8 3 6 10 …

Hi guys.. I'm still going through C++, learning new stuffs. It is true that I have finished my C++ course two years ago. But, you all know C++ have too much things to learn! Anyway, I need help guys "kindly" how can I open a program/or any file using C++? …

I'm having an error when I run this code any ideas? When I run it and enter the code it works if I enter the same numbers I had entered before his turn, but if i enter different numbers I get Unhandled Exception: System.IndexOutOfRangeException: Index was outside the bounds of …

Hi, I have a requirement where I need to generate the combinations of string based on some rules. For Eg: I have a string like: [x | y] z [A] Possible combinations are, z,ZA,xz,xyz,xzA,yzA The rules are, 1.[],| are symbols. 2.Any text inside [] is optional eg: [x] 3.| means …

hi, I need a help.how can i SEARCH a record in a database using listbox and display the results?? For an example: if i select a destination on the listbox and it will look for the records on database and display it. im using ms access and adodb connection.Below is …

Hi, i would like to know how to retrieve an image in an access database to vb6. Thanks in advance.

Say I have code like this... typedef struct { unsigned A:1; unsigned B:1; } FlagStruct; extern FlagStruct *Flags; Imagine that the Flags instance is a shared resource in a multi-threaded application. Say thread #1 decides to read the value of Flags->A but thread #2 decides to set or clear Flag->B …

//**numHits and numHalfHits give incorrect values.I don't know why** #include "Mastermind-game.hpp" using namespace std; int main() { bool choice = false; cout << "This is a game of MASTERMIND v.0.1" << endl; while(1) { cout << "Enter 1 if you want to solve game for your self" << endl; cout …

i'm trying to enter a string phrase and store its last word in an Array, if the word is palindrom then a message will showit

Hello somebody should please help me with codes to run this assignment below: It should have a button that when clicked causes your code to simulate rolling a dice 100 times. Your program needs an array that will count the number of times that each of the six possible numbers …

Hi there, I am working on a project and want to resolve invalid form submition. i want to create a regular expression which can check each form value that must not have any string like as: '"abc.Xyz What exactly the regular expression should be?, for more information please feel free …

I am new to Python and I am trying to import pygame. I am using Python 3.1 and I installed pygame 1.9.1 for python 3.1. When I try to import the module I get the following message: [icode]Traceback (most recent call last): File "<pyshell#0>", line 1, in <module> import pygame …

Friends , Is there any way for data alignment in the list box. My code is given below Private Sub TxtFdt_KeyPress(KeyAscii As Integer) Dim L, L1, L2, L3, L4, L5 As Integer Select Case KeyAscii Case vbKeyReturn If TRS.State = adStateOpen Then TRS.Close TRS.Open "SELECT * FROM Tran WHERE Ac …