Software Development Forum

If I do something like: [CODE] Label _label = label1; _label.Text = "123"; [/CODE] Would label1 read "123"? Does this work for int and string? If not, how would I achieve this?

Hi all, I have a more philosophical question which I think might help me to better understand the interest of pointers in C++. Indeed, my background is mainly Perl and a bit of Java. I am currently implementing (as an exercise and because I work in this field) a class …

Hmm... can we use the continue statement in [COLOR="red"]if-else statement[/COLOR]? as i know the continue statement only can use [B][COLOR="Red"]under for loop[/COLOR][/B] right? and also is there any idea how to write [B][COLOR="Green"]pseudocode[/COLOR][/B] of for loop ? give some sample examples. thanks alot. :)

I am trying to remove all listbox items that contain all spaces(11).I am stuck. This code doesnt remove the items [code] for (int i = 0; i < tree.Items.Count; i++) { if (tree.Items[i].ToString().Contains(" ")) { tree.Items.RemoveAt(i); } } [/code]

I am trying to write a named semaphore, can anyone point me in the right direction. I have tried googling it. I come from a java background so i understand the theory. Is a named semaphore created in the same way an semaphore is ?

Hello, I made a form into Visual Studio (Window forms) and i used a webbrowser from toolbox. I want to open into the webbrowser a web page from local drive. In properties, into the URL box if I write the absolute path (ex. c:\xy.htm) it works, but how i can …

Hi everyone, I am quite new to C++ (coming from perl). As an exercise, I am currently trying to create a class to play with graphs. I have a class Node in which I overload the == operator (to test the equality between two nodes). At the moment, I consider …

I have 3 separate questions. I'm trying to develop a program that displays several vocabulary lists and has a row of buttons at the top for selecting the lists. These buttons don't appear until I re-size the window. Does anyone know why this occurs? Second, I've extended the JPanel class …

How would you split an existing string where a chararacter occurs into an array of strings, and store that character in a char? For example, inputting 123a5 would return {123,5} in an array and 'a' in a char. I've confused myself with this. I will greatly appreciate any help.

im juz learn C++ from C++ how to program , but i not really understanding in this section ,can someone explain and describe?..thx...

Say I wanted to open test.html in Firefox on the click of a button. How would i do that assuming Firefox is not my default browser?

Hi everybody. I would like to know if its possible do dynamically manipulate the scrolling of a webpage in a WebBrowser control in my Form. Either by a page loaded event or some other event. Also if that is possible, can it be done without the control having scrollbars. I …

Hey all, I am currently trying (desperately trying if I might add) learning how to use GLUT for school. Our professor gave us an assignment to make a 2d tube of some sort, but I only managed to make a circle. The tube will be only displayed on its front …

Hello everyone.. When working with Visual Studio 2010, the "MessageBox" function displays chinese characters, instead of english ones. Example: I attempted to prompt a message to myself using the messagebox function, saying "Success!" However, the message box pops up a message in chinese, and not in english. I am able …

Hello, I just finished my "Who wants to be a millionaire Game", (very basic coding), but I got some issues when I click somewhere out of the Boxes range(try it), and I'd like to add some sort of points to each question, and as they go further make the question …

I just started to get a grasp of classes. I can't find my answer anywhere, and I hope someone on here can answer it. I am trying to simlate a battle [B]USING CLASSES[/B] Everywhere I look on the net people in C++ don't use classes to simulate battles. You could …

Hey guys, I'm new here. I just started learning c++ and I'm having a few problems. I have looked for one online but I found none that really worked for me so I tried to make my own. I'm trying to make a constant frame rate at 30 frames per …

When I run my code the program adds the following before the start of my program: >>> Warning (from warnings module): File "C:/Users/Steven/Documents/CA/CA python/CAMain.py", line 142 def maxgen(fname, worksheet=1,encoding='cp1251'): SyntaxWarning: import * only allowed at module level >>> [I]The first prompt of my program would be here[/I] The code it …

Hi,I am new to daniweb and would like to know the error in this code [CODE] void initpoly(struct poly *p) { int i; p->noofterms=0; for(i=0;i<MAX;i++) { p->t[i].coeff=0; p->t[i].exp=0; } }[/CODE] I am not posting the entire program because it is lengthy.I am getting the error"Expected primary expression before token ;" …

Hi, My script has 3 options which recieve integers. If any of those options are having a value which is less than zero i want to make them to 100. eg: if opt2 = 32 and opt3 = 24 i want to make them to 100. <code=perl> our $opt1,$opt2,$opt3; our …

oh my please help me..i;m making a simple code in c++ using dev c because i am exploring this language for my second year. i do not know why it will not display the output..i don't know how to use cin..[CODE]#include <iostream> using namespace std; int main() { cout << …

Ok, well I am new to VB, but have a general idea of it, and im trying to make a program that does the following (and it fairly simple) button 1 = Open button 2 = search and replace textbox = text to search for replace = a given, non …

I am a computer science student and i want to know how to create a c++ program to ping an ip address and check whether it is online or not?

Hi, i'm developing a project on employees. I have added a list box and now i need help to display the data about my employees in the list box. How am i supposed to do that, do we have to put in codes or need to use that small arrow …

I have an array of strings as follows: [CODE]char *sCmdInt[8];[/CODE] I need to use elements from the array to pass to another dll. The function takes two LPSTRs as parameters. What I need to do is copy two elements from the array into ints/longs, and then create two LPSTRs from …

I can get variables from an html page into my perl cgi script just fine, but I want to process these variables (also works), and pass them to another cgi script. I'm not sure how though. I've tried to set up a new <form> inside of my perl script to …

I'm trying to merge two trees. This is the recursive function: [CODE] void Merge(node *primary,node *secondary) { if(secondary != NULL && primary != NULL) { Merge(primary->left,secondary->left); Merge(primary->right,secondary->right); } else if(secondary != NULL && primary == NULL) { primary = new node; primary->action = secondary->action; primary->left = NULL; primary->right = NULL; …

While doing a project i decided to do a mechanism in a panal of its own class, so i could manage the sizers and layout better, then i wanted to take the end result of that panel and display it in my window. Although when i run this code as …

Simply put I wish for text entered in one edit box to then appear in another edit box. I have created a MFC dialog and read many tutorials, but I'm still stuck. Here is my current DDX function: void Ctextentry23Dlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); DDX_Text(pDX, IDC_EDIT1, name); DDV_MaxChars(pDX, name, 20); DDX_Text(pDX, …

To avoid double postings kindly refer the thread here, since I couldn't make up, which forum was best suited. [URL="http://www.daniweb.com/forums/post1297528.html#post1297528"]http://www.daniweb.com/forums/post1297528.html#post1297528[/URL] Please do take part in the discussion. Regards, Nisheeth Barthwal

Hi all. I am, using Java for drop down menus, code follows. What I have not yet been able to figure out is how to make java display the page I select in a different frame. This is what is in the <HEAD> of one of my Pages. [CODE] <SCRIPT …

Hi, I've developed a console app and a win32 api GUI. The GUI is only used to get input file path and output file path specified by the user, as simple as that. I now want to pass those file path and call the functions in my console app to …

I have the strangest problem. First let me state that I am by no means an expert on either Web Applications or SQL. I have however, been delegated this project and have made some progress. First, all the servers for a small office I work in were upgraded to 64 …

Hello.. Supposing that i have this code..i want it to end after a character is pressed..but i dont know what to add...i can end it if input is negative or zero..but not char..i tried some experiments but it will end up debug assertion fail..help would be great.. [CODE] // adds …

Hi all, I'm writing an application that imports and tidy up address data into a cleaned, deduped excel workbook ordered in rows with each column as an address field. One of the issues I've ran into is that we sometimes get a workbook where the multiple address fields are held …

Hi, Please help me, this is my activity the Rock, Paper and Scissors Game, I need codes for this game. Like the game the program should determine the winner. In my output (please see attached), the Player1 and Player 2 should choose each a hand gestures in commands buttons: rock, …

Problem 1: I was wondering if it's possible to add for example the struct below into a binary tree: [CODE=c] struct Appoint { string place; string title; int hour, minute; int durationHr, durationMin; }; [/CODE] I want the above struct to be sorted in the binary tree by hour and …

I am writing a program that sends an email with attachments. I need to send it as HTML but I can not find any reference as to how to do this. My code follows: [ Private Sub sendMail(ByRef Message) Dim Attach As Attachment Attach = New Attachment("c:\Project\Articles1\Article.txt") 'create the mail …

Can some one please help me on this issue as I have spent time going around it without making any headway. I have data in an array of size say 3O. 1. I want to take the first five elements of the array, find their mean value. Store the value …

I have various list being generated by a mapper function in this format >>> mapper("b.txt" , i["b.txt"]) [('thats', 1), ('one', 1), ('small', 1), ('step', 1), ('for', 1), ('a', 1), ('man', 1), ('one', 1), ('giant', 1), ('leap', 1), ('for', 1), ('mankind', 1)] >>> mapper("c.txt" , i["b.txt"]) [('thats', 1), ('one', 1), ('small', …

numpy.vectorize takes a function f:a->b and turns it into g:a[]->b[]. This works fine when a and b are scalars, but I can't think of a reason why it wouldn't work with b as an ndarray or list. For example: [CODE=python] import numpy as np def f(x): return np.array([1,1,1,1,1], dtype=np.float32) * …

If I am using overlapped sockets with i/o completion ports, is it ok to use WSASend on a socket to send data [B]after [/B]posting the initial WSARecv on that same socket, but [B]before [/B]having received any data? Will the socket still receive data and trigger the completion port if I …

Hi all I was working on a program and really need some help with my coding. Here is code I'm working on thanks for your advice in advance. 'this program will Display Year of age and days on earth assumming the current date is 12/31/2006, the user types 1980 into …

Hey, sorry if this question is really really simple and silly to ask here but I can't find a suitable answer anywhere else and nobody out there so far is willing to help me out so any help would be greatly appreciated. Simple thing I want to do: I have …

I have been frustrated by the lack of a time unit in all the C/C++ std librarys (hope I've got the right wording!). What is a function that I could use. I don't care if I write it or if it is in a library. Thanx in advance!

With std::queue I've been using this: [code] std::queue<int>::iterator pos = std::find( q.begin(), q.end(), 5); [/code] But when I try that with std::stack : [code] std::stack<int>::iterator pos = std::find( s.begin(), s.end(), 5); [/code] I get [code] error: ‘iterator’ is not a member of ‘std::stack<int, std::deque<int, std::allocator<int> > >’ [/code] Anyone know …

I want to add some while() loop to a windows form app, the problem is that when I try its freezing the window because of the loop. There is any way or method to add a loop that won't freeze the window?

Hello, I've been going through K.N. King's [url=http://knking.com/books/c2/index.html]C Programming: A Modern Approach[/url] and, after completing the first 10 chapters, I wanted to give my knowledge a try and write something I've always wanted to: a Hangman game. It turned out more of a "Mystery Word" game, as I haven't created …

Ok, I did search on this site and found nothing that really helps with my issue. I am doing assignment - JPartyPlanner - I have the applet complete, it compiles and shows in IE great, BUT when I add the image code it still compiles but I get nothing showing …

I have an array of strings as follows: [CODE] char *sCmdInt[8];[/CODE] I am filling this array by tokenizing a line of text from a file. I then want to check if element 0 of the array is equal to a value. Eg: [CODE] if (sCmdInt[0] == "ReadMemory32") { // do …