Software Development Forum

Hi, I am trying to access private level members with a Derived class but keep getting: Error1 cannot access private member declared in class 'TimeType'. Here is my code for the Base Header file: . . . class TimeType { private: int hours; int minutes; int seconds; public: virtual void …

HI, I am creating a client server application in VB.NET 3.5 with WPF. I have searched a lot for a week but I didnt find any helpful source to study. After searching everywhere I am not able to move ahead. Can anybody please provide me small example, any link? I …

Hi, I am using MS-Access 2003, VB.NET 2008, I am able to select and delete recordes. But how can I move between records? Imports System.Data.OleDb Class Window1 Dim cn As OleDbConnection Dim cmd As OleDbCommand Dim dr As OleDbDataReader Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles …

Here's my current code: /[\w\s]+/ I'm trying to make the following characters match: [CODE] Q W E R T Y U I O P A S D F G H J K L Z X C V B N M q w e r t y u i o p …

At work we have a large number of unit tests that try to alert us that we have made changes that have broken our code. Many of these tests work by evaluating functions under known conditions and comparing the result with the known result. The known result is acquired by …

I'm having trouble with getpixel function. Sometimes it returns the correct pixel ref and others it returns "4294967295" which I think is "CLR_INVALID" COLORREF color; HDC hdc_ = GetDC(NULL); //get dc of whole screen color = GetPixel(hdc_, 10, 10); std::cout << color << endl; That is the simple code, any …

Hi everybody, I'm just wondering what is the more eficient and compact way to write statements like this if(site.next(1) == null) { return false; } if(site.next(2) == null) { return false; } if(site.next(3) == null) { return false; }

there are 4-tier in my project (1)WPF-UI(Presentation) (refrence of Service client) (2) Service Client Class Library (Service Refrence of WCF Service) (3) WCF Service (Refrence of Data Access) (4) Class Library (Data Access) All Details Are Inserted,Updated and deleted through Class Library in XML File query in Linq But Problem …

I need to retrieve the major and minor version of the application, and instead of instantiating a new Version class with `new Version(Application.ProductVersion);` is there a static copy of the Version class that already exists? If so, I can't find it, can someone point me in that direction, or is …

Hi, I'm developing a XNA Windows Game 4.0, and I keep getting this error: The type or namespace name 'Color' does not exist in the namespace 'Microsoft.Xna.Framework.Graphics' (are you missing an assembly reference?) I can't seem to find the answer for this, can anyone help? Thanks EDIT: Solved it color …

Hi i am finding this a challenge.I am suppose to get 12345 12345 but my below code is giving me 1112314151 1222324252 what mistake am i making? #include <iostream> using namespace std; int main() { int row,column; for(row=1;row < 3;row++) { for(column=1 ;column < 6; column++) cout <<column<< row <<' …

Hey i have one questio .....plzz do answer........ i have 3 classes A,B and D A is base class........ if B is derived from A.. can we derive C from both A and B......??

Dear All, I have written a program to find the smallest divisor of an input number. The code gives me an error in lines 19 and 23. The error is invalid operands to binary %. Please help me to troubleshoot, thank you. Below is my code: #include<stdio.h> #include<stdlib.h> #include<math.h> int …

i was learning about Functions from a book.Keyed in the following code to my visual studio express and got two errors: expect a declaration and '{' : missing function header(old-style formal list. what do they mean? Does this have to do with ans/isoi std? #include <iostream> using namespace std; void …

Im having a difficult time finding info on how to set up a combobox listener for my project. My book has 1 example and it uses audio files.(no help) My project consists of a GUI panel with a splitpane that that has a list of info on the left for …

Hi, I am trying to create document using iText. I am using Eclipse IDE. I've imported the jar files (itextpdf-5.2.1.jar and itext-xtra-5.2.1.jar). However RtfWriter2 is not being recognised as a class. Document doc = new Document(); RtfWriter2 writer = new RtfWriter2(); RtfWriter2.getInstance(doc,new FileOutputStream("testRTFdocument.rtf")); Can someone help me in figuring out …

Hi :) Is it better to have a one file program (ex. MyProgram.class) or a multiple file one (ex. Main.class and Gui.class and Draw.class)? thx

Hello to all simply when i delete a file and the file is goto recycle bin after deleted. when we use ( Kill ) command then my file delete direct and cannot goto recycle bin please help

Hi, Is this a valid while loop? : while((grid[tr][tc]=='0'||grid[tr][tc]==s[i]) && tr<row && count<strlen(s)) { ++count; ++tr; } Although the full program compiles fine, but *sometimes* my program crashes during runtime giving me a "Access violation(Segmentation Fault)" error and the debugger points to this loop statement... By the way, I'm using …

I was reading a book and it said "Mac names cannot be overloaded and the macro preprossor cannot handle recursive calls: #define PRINT (a,b)cout<<(a)<<(b) #define PRINT (a,b,c) cout<<(a)<<(b)<<(c) /*trouble?:redefines,does not overload*/ Can someone pls explain possibliy with examples?

Hello, I am having some trouble writing this java GUI. First in the win1, i cannot get the start and exit button to the bottom of the page along with the jlabel into the center. Next for win2 i cannot resize the "go here" button at the bottom of the …

I m trying to create a html file from vb.net form using notepad. the problem i m having is i can not get more than one var at the time each inputBox with ok click. how can i get all of my 8 variables in one OK button click? Thanks

I am designing a very basic form in which I am using GridBagLayout to position and size the GUI components. All the components get sized and positioned exactly as I expect from my code except the two radio buttons named "noRadio" and "yesRadio" respectively. I want them to appear next …

Hi. I cannot explain my question very well. I have an array of objects. Can i perform a search in this? Check the following code as example: public class test1 { public static void main (String[] args){ test2[] array = new test2[2]; for(int i=0;i<2;i++){ array[i]=new test2(); } int a=1, b=2; …

*This program is supposed to printout all the first letters of the Strings enterned in an Array. Which works. but when I added some code to convert the first letters to uppercase, there's an error.* I put a comment in the code where the error is. what's wrong with that …

I don't understand why it just prints numbers. /* This program converts the first letters of the entered strings for an array to uppercase*/ import java.util.*; import java.lang.String.*; public class myfirstarray{ static Scanner scan = new Scanner(System.in); static String str1, str2,str3, str4,str5; public static void main (String[]args){ String[] items = …

Hi. So my problem is that I can't save into a vector throughout a function, but I can save directly in the vector. /* * asd.cpp * asd.cpp is licensed under GNU GENERAL PUBLIC LICENSE * Created on: May 3, 2012 * Author: sin */ #include <iostream> #include <string> #include …

I've attempted to create a linker for assembly files, what the program does is not the issue here though, I havent used pointer arithmetic in a few years and am definitely rusty in doing so. I'm getting a segmentation fault when I attempt to run the file and would like …

Hi Guys having a bit of trouble here, I have create a form program with a set of buttons which do stuff (open,exit etc). I also got a speech recongtion which has a set of words ive put into a grammar list. the problem: i want to the program to …

Hi! I have one small question. Is that possible? public class test1 { public static void main (String[] args){ test2 client = new test2(); test2[] call = new test2[1000]; int x =2; call[1].add1(x); } } public class test2 { void add1(int x) { x = x+1; } } Sorry for …

i have been coding a client server program to calculate factorial of a no . The client will pass the no to the server whose factorial is to be calculated. Now the problem that i am encountering is that no matter what value i am passing to client(variable msg in …

Hi all I have a little problem with bourne shell. I've just started writing that kind of scripts I have to write a script that search in folder for header.txt, footer. and content.txt. If these files exists i have to copy the content from them (ignoring the lines with #) …

Hello guys im having problem displaying a math equation result in the textbox. It shows 0 and i dont really know where i got the error. Name of the textbox where result shall be displayed is **total1** Thx for help :) int textboxnumber1; int textboxnumber2; int textboxnumber3; int textboxnumber4; textboxnumber1 …

Hi I need help with this program. When I run this program, it will not print out the correct kilograms which always displays 0. Please help #include <iostream> #include <istream> #include <iomanip> #include <vector> using std::vector; using namespace std; using std::endl; using std::setw; struct PatientInfo { string name; double weight; …

I’ve developed a VB application. Now I want to disabled resizing the form. I know there is a property “Border style”, which changes to fixed single, can do my work. But I want minimize button to my form. Minimize button is only in “Sizable” mode. I changed another property “MaxButton” …

Hi All, I wanna generate all possible combination of certain list using python. For Example I have a list like list = ['A','B','C'] I wanna generate all possible combination of these list elements like using "itertools": AAA AAB AAC ABA ABB ABC ACA ACB ACC BAA BAB BAC BBA BBB …

Hi all! I am looking for some advice on how to best design C++ programs that read, write, and update data in MySQL databases. I have completed a system that successfully does this but I'm not sure if I designed it the right way to take advantage of OOP principles …

Hello, I'm new to this site, and i really need help with something. I have been working on a checkerboard project for my second programming class, and now I'm stuck. I now how to set the icons, but now I am absolutely confounded as to how I move the icon …

I need help for another one of my assignments for CS Class. On the rubric, one of the part said: > all characters are shifted right by two positions and the last two characters becomes the first two characters The condition is that the string has to be entered by …

Any body can help me with this error I am getting this error: C:\Documents and Settings\Fuad Damra\Desktop\TCPDayTimeServer.java:33: variable out might not have been initialized out.println("Server Sent Average: "+Avg); ^ 1 error When I am trying to execute this program: [CODE]import java.io.*; import java.net.*; import java.util.Date; public class TCPDayTimeServer { public …

Hello Daniweb, Can anybody please tell me that, can we configure remoting for the LAN? I studied it halfway but I realised that its for web, but i think i can be possible for LAN too. Please do reply with something :)

Hello, I have a observer pattern based JTable. With time it is poulated with new data packets. I use addRow functionalities to add my rows. But I want to put always the last coming datapackets at the top. How to do it??

Hi, I'm facing few problem on textbox : 1. I got plenty of textbox which roughly 500+ and my design haven't done so it might grow. Each of the textbox is represent data received from serial port. To update textbox then i need to write the code line by line …

Hey guys,I have an excel sheet with one of the columns as name .There are many rows with same name and I wish to mail all the rows with same person name to that person(given there is a column specifying email address).I will be thankful for your suggestions. The following …

Hi all, I'm sure this is a n00b question, but I can't seem to get my head around it! I have a 4 BYTE array which I want to display as a decimal value. For example, in the array it contains the hex values: 00 05 7d a4, and I …

Hello everyone !!! I recently designed a web application using VB.Net and tried to copy a folder (containing multiple files) from one disk drive to another but unfortunately I didn't succeed. I tried using a file upload but that is only for single/multiple file selection however I want to select …

Hello I am currently working on this code and the code can be runned well from 100-10,000 random elements after that the heap sort says stack over flow, im thinking the recursive calls are the cause of this, so please healp public static void MAX_HEAPIFY(int [] A, int i, int …

I have two arrays: n = [30, 47.2, 70.2, 77.4, 36.3, 20.6, 18.1, 21.4, 22, 25.4, 27.1, 40.3, 57, 76.6, 52.3, 19.5, 11.2, 7.6, 14.6, 16.2, 24.7] p = [4, 6.1, 9.8, 35.2, 59.4, 41.7, 19, 13, 8.3, 9.1, 7.4, 8, 12.3, 19.5, 45.7, 51.1, 29.7, 15.8, 9.7, 10.1, 8.6] …

Hello again, I'm still working on my game, and now I'm running into a situation where I am using 4 radiobuttons in a groupbox for the answers, as each question changes the text of the radiobutton changes and along with it the correct answer. I want to be able to …

Hey guys.... really need your help? I'm working in VB C# 2010.... I have a windows form application where i want the texts from multiple texboxes to be added to the dataGridView as one row... can someone please tell me where to start? Thanks