Software Development Forum

Hello, im having this annoying problem with trying to create a global class to hold all the global variables to be used in the form. This is my main function: [code=CPP] // car rental.cpp : main project file. #include "stdafx.h" #include "Form1.h" #include <string> #include <stdlib.h> #include <vcclr.h> #include "Globals.h" …

hi guys, i need to encrypt a plain text limited to 15 characters but the output the encryption must also be 15 characters since i am limited to database constraint. how can i do this? thanks

hello all in vb we can use controll array to make the calc so with in single block we can write our entire code Is there any way to make calc in c# like vb's controll array ?? pls provide ur suggetion

Question - Three stacks can be used to sort a list of numbers. Assuming stack in holds the input list of numbers, stack out is to hold the output list after sorting the numbers and temp is used during the sorting process. The sorting algorithm follows. 1 set up stack …

Hi I'm thinking of writing a mmorpg game and what I would like to do is create a server I would like to send text messages over the internet to trigger events at the client or server. A. How can I do this. B. Is there a better way of …

Does any one know how to get the index value in a 1 dim array of a returned character or integer? For example the value is 15 but I need to know where 15 is on the array, position a[0] or a[15] etc. thanking you in advance

I've been writing a java wrapper to a c library, and need to use asm to push the parameters onto the stack to call the library function. an extract of the c code: [CODE]extern void asm_dispatch(void *func, int nwords, char *arg_types, long *args, int res_type, long *resP,int conv); /********************************************************************/ /* …

Hi I want to read the content in datareader.So I use below coding to do that if (dataReader4.IsDBNull(0)){ } but I run above coding it gave me an error meassage.The error Meassage is "Invalid attempt to read when no data is present". then I use below coding dataReader4["Email"]==null but It …

I am totally stuck. I created a program to read in the file and one that will sort from a string array. The problem is that it sorts from the beginning of each line. I need it to sort after the -. I need it to sort by the town …

[CODE]Imports System.Data.SqlClient Public Class Form3 Dim con As SqlConnection Dim cmd As SqlCommand Dim dr As SqlDataReader Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click con = New SqlConnection("uid=sa;pwd=igiat;database=harsha1") cmd = New SqlCommand("select * from student") con.open() dr = cmd.ExecuteReader() While (dr.Read()) If dr(0).ToString() = TextBox1.Text …

Hi! How can I call the matching constructor [CODE=csharp] foreach (Animal d in AnimalBufferList) { this.Add( ....call matching copyconstructor.... (d) ); } . . . [/CODE] [CODE=csharp] abstract class Animal { public Animal (Animal d) { } . } } class Pig: Animal { public Pig(Pig d): base(d) { } …

Hello, everyone! It's been a long time using C++ and I have a link problem. This is the code... [CODE] #include <iostream> #include "libc++/pcslib.h" int main() { std::cout << "About to load the server and all the clients." << std::endl; Pcs serverProcess("server"); Pcs clientProcess("client"); serverProcess.Join(); clientProcess.Join(); std::cout << "After joining …

I m a beginner. Using open source, I have compiled a freeware Eng-Hindi dictionary in C# with a 40K word data input source as a Text file. Is there someway to modify / hide the said Text file from front end user. Thanks.

Hi guys! I am trying to make an object oriented program for matrix addition, but I am stuck right at the beginning. I would like to have an 2D array as a class variable and another two class variables would define the arrays x and y coordinates. Something like this: …

Can some body tell me how to take SHA-1 of a given string in C. I am using ubuntu 9.04 with kernel 2.6.30.

hi, Im just wondering on how I could get a columns and a record count I mean the whole thing in a database aside from executing this statement [icode] "select count(*) from myDatabase" [/icode]...is there another statement that i can use instead of this one coz it doesnt retrieve any …

Hi everybody. Do you know what's equal for code "app.patht" in c#.net 2008 ? I tried "Application.ExecutablePath" and "Application.StartupPath" but they didn't work. I think they have their own name spaces that I havent added them.

hello, can u pls help me sir about my problem in the level order travelsal?... i did trace my code and i found no wrong. but when i compile it, there's something wrong in it and i dont know where... thank u very much! [code] int count = 1; public …

after a lot of fussing, my code finally compiles properly. but once again, its not calculating the things i want. PROBLEM: doesnt calculate "scores entered by user" doesnt calculate "highest max score" doesnt calculate "lowest min score" as far as the scores entered by user... i was hoping this.. if …

hi, i m very new here and also in programming world. i tried to make a program that prints happy and unhappy numbers. but that prints only unhappy numbers and then it goes back to while loop where j remain 0. how can i fix the problem? plz someone help …

ok. im pretty much done with this small program my teacher asked us to write. my problem is: it wont give me how many scores there are above average. it keeps giving me 0. i dont get it. maybe im overlooking something? i think something is wrong in my [color=#33FF33]// …

Hello, I am having problems with templates. I wrote a templated version of vector. My vector is working. Here is the header file for it: [code=C++] // m_vector_g.h template<typename T> class m_vector { private: // Some code here... public: // Some code here... }; [/code] I want to make another …

Well, I just had another issue resolved and have come to another one that baffles me, and as I can find little to no documentation on the pgdb module, I thought I'd sound you guys out again. I am attempting to insert values into a table in postgresql, and while …

I created a dialogbox, with controls, by using the DialogBox() function and a resource file with the controls in it (IDD_DIALOG1). But I'm having an extremely hard time finding a function which will add a menu, also in the resource file, to a dialog created in such a way (IDR_MENU1). …

I'm trying to figure out why the regexp "[A-Za-z0-9\-]+\.jpg|jpeg|gif|png" only seems to find "gif" when I run it on the source of an html file.. For example: I have the following code [code=c#] string URL = "http://www.google.ca"; string re = @"[A-Za-z0-9\-]+\.jpg|jpeg|gif|png"; WebClient wc = new WebClient(); Stream data = wc.OpenRead(URL); …

I'm working on a little code snippet and my c++ seems a bit rusty. How do i go about getting the length of an array? My eclipse is giving me weird values when it should be segfaulting, so I'm trying to figure out whats wrong. Thanks in advance. edit: forgot …

I wrote a program to write data in a text file to another text file .what i want to do is to open that modified second text file once I've entered data in to that

Can anyone help with this program. Both the functions work fine separately but when for example, I tried to use "if" for simplicity the islower came out as 0 when all the characters were printed out, because it's second in the flow of control. It would also help if I …

i dont really know whats wrong with this, but its super basic. im not done writing the program yet, im still missing some input prompts for the user, but as i am testing my current program, i keep getting an error message that says line 70 - name lookup of …

hi i am really stuck now i hope someone can help ok so i have read in a file i have created a dictionary which reads every line and counts how many matches there are compare={} for matching in line: matched =( matching[3],matching[7])

Hey guys, In Java, there is a method called substring, but what substitute does it have in Python, or do I have to explicitly do it like: [CODE] s=raw_input("Enter a sentence: ") s2="" a=0 b=0 for a in s: if(a==' '): s2= s[b:a] b=a a+=1[/CODE] Thanks guys!

I am studying vb.net and am trying to develop a data access program I am getting the following error when I try to add a new record to the dataset. Any help would be great error " Input string was not in correct format. Could not store<LinenIndex> in LinenItemsID colomn …

im not sure whats happening here, but i dont know what code to use to stop the prompts from looping. My exercise is to create a program revolving Array-Based Lists. I simply want the user to input a set of student's records, but the user can input how many he/she …

Q: Write a program that will determine if a number is even. The program should ask for a number, say X and printout whether "X is even" or " X is not even". This program must use a method with the signature "public static boolean isEven(int i)".

hi all, i am pretty new to Python(a very new to this forum). have been programming in C & C++. i have a DLL written in C which i need to use. i would like to access it through Python instead of using Visual C++. i am having a problem …

i dont know why im getting a compling error for this... error is: line 112 - name lookup of `i' changed for new ISO `for' scoping line 95 - using obsolete binding at `i' what does that even mean?! my current code is below, to get a better understanding. is …

[CODE] while (true) { // Display the players location and possible movements. cout << "------------------" << endl; cout << "Location: " << NewUser.location->name << endl; cout << "\nDescription: " << NewUser.location->description << endl; if (NewUser.location->north) cout << "(N)orth to: " << NewUser.location->north->name << endl; if (NewUser.location->south) cout << "(S)outh to: …

Hi all, I hope you are well. I am trying to explain some code to a friend : [CODE]StringConcatenate StringConcatenate1 = new StringConcatenate(); StringConcatenate1.stringConcat(); [/CODE] I said that this code creates an object "StringConcatenate1 " of type StringConcatenate and executes method stringConcat() (which is from class StringConcatenate()) on object StringConcatenate1. …

Hello everyone! I'm a beginner in programming so please bare with me =/ I have a problem that I just don't understand. Here's the problem: Write a program that uses a loop to display the characters for the ACSII codes 0 - 127. Display 16 characters on each line (c++). …

Hi, Currently having troubles in adding data to the listview i have created. It actually will add the first set of data to both the database and listview, but when i try to add a second lot of data it displays the error message that I have setup. Also how …

Iam finishing my little database based small project and I need to save current status for next time(The save option :) ) The stuff I want to save is just list of tuples and I have to save: 1. The List of tuple 2. The index of the last element …

I have some code which "requires python 2.5.2 or bytecode compatible." Would 2.5.4 work? 2.6.2? Any harm in installing either of these on the same machine as 3.1 (separate directories)? Windows XP if that matters.

Hey all, I'm currently working on a design for my first "big" program. I've done a small Object Orientated IDE before, however that code there was a bit of a mess... So I'm scoping around for online tutorials on how to design an OO program. Does anybody have a great …

I feel like an idiot asking for help every step of the way. My program is almost complete. I just can't seem to wrap my head around the constructor issue. Here is the check list of what I have left: Appropriately use the Dates(int,int,int) & the Dates(string,int,int) constructors; Appropriately use …

Hello. I can't believe i'm stumped on this ok .. main menu again ..... nice fat quit button .. works great quit = Button(root, text = 'Quit', command = root.quit) awesome work hey .... i also have an about window (cleverly called awin) .. click it .. it tell you …

I am attempting to write a program that simulates a lobby or a line in which a "player" can get into in the form of a heap. The program does everything it is supposed to except when you try to add a second object("player") to the heap it won't do …

What is ctypes data for BOOL? I mean in C++ to ctypes we have: int--> c_int float--> c_float what about BOOL?

Look at this thread: [url]http://www.daniweb.com/forums/thread206859.html[/url] In C# this would give: [CODE=C#]namespace ConsoleApplication1 { class Program { static void Main(string[] args) { int i = 0; i = i++; Console.WriteLine(i); Console.ReadKey(); } } }[/CODE] Also in C# it prints 0. I wonder why. I think Java is correct here. Although it …

the cursus i'm taking on python (free on internet). said i know enough and that i should try creating some simple games like oxo. the problem is that i don't know how the create a framework for such a game any help is welcome. mathijs p.s. my english may not …

Hello friends ........ it's ma first post. As i know, constructors are called at the time of object creation. But if i want to call it explicitly, not at time of object creation, can i do this? if yes? then how? any help please?.........