Software Development Forum

Hi Everyone. I'm kind of new. For some weeks I've been studying cpp using devcpp and it worked just fine. I changed my PC and now I am trying to program in Builder c++. I am reading a Builer tutorial and Im doing OK with the frames and all of …

I have to create a program to calculate the number of years it will take to become a millionaire if i invest a certain amount and receive interest on it. I need a little help on how to start it, the only thing i have so far is we have …

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my class has an enum definition as property, and an enums type array as property like this: [CODE=java]public class GameBoard implements Serializable , Cloneable { private final int N = 8; public State[][] Board = new State[N][N]; public enum State { empty,player1,player2; }[/CODE] i want to write a clone method …

When I excute my program and open up the text file, it only reads me the 1234 then junk below it. I have no clue what do. Anything is welcome. Below is my .cpp file my text file looks something like this 1234 jack hammer 75.00 .45 10 5678 Daffy …

Hi everyone What i am doing now is creating a program that the user can change the way buttons look half way through. My problem is i couldnt work out how to update the wx.Button's style while the program is running. I was wondering if anyone could help me for …

Hi everyone, Need a small help. I need to read the data from stdin (standard input) without hitting enter. Need to read the data as in and when they are typed in until EOF (CTRL + D as I am using UNIX) is encountered. I tried, getc() - requires ENTER …

I am determining what method to call by using the runtime class. My problem is whenever I pass in a null object, obviously it will throw a null reference exception. How are you able to determine at runtime the class of a null object. Although its null i need to …

I'm trying to read a line from a text document so I can move it into an array. So I've tried to get this to work out and it stops when it sees the "while" line. [CODE]void input (ifstream& file, int& end, string word[]) { int x = 0; string …

Okay, I have this program I have to write. I think I get the basis of the idea, but I'm a little confused about parts of the instructions. Here's the instructions. [B]Write a C++ program that uses bit strings to represent sets, and finds A^B, AUB, A-B, where A and …

Hello i have a quick question working on a hangman project and have most of it done but i was wondering how to count how many letters a word has in order to have the right amount of spaces wondering if a function or something exists or a link to …

i have a modsecurity log that i want to pull a couple things from. here is an example line [05/Mar/2008:12:50:07 --0800] [[url]www.mydomain.com/sid#1ef44178][/url][rid#2042fa58][//member/index.php][2] Warning. Match of "rx ^OPTIONS$" against "REQUEST_METHOD" required. [file "/usr/local/apache2/modsec/modsecurity_crs_21_protocol_anomalies.conf"] [line "41"] [id "960015"] [msg "Request Missing an Accept Header"] [severity "CRITICAL"] [tag "PROTOCOL_VIOLATION/MISSING_HEADER"] so i want to …

hi im new to java and just need a little help in the right direction. I am trying to display an input of int on number at a time. So for example the user would enter 1998 and the output would be: 1 9 9 8 and we have to …

Hi, My problem is that I need to tell class A to repaint, but from class B. Class B will be a thread that updates components of class A and will eventually tell A to repaint. The basic idea of my code is as follows: [CODE] class A extends JPanel{ …

hi, im creating a simple game here...its a shooting game...so how can I make my program read the keyboard to control the player's movement around?tnx in advance

Hi, I have created a login form that has adminid and password.. I use visual studio 2005,database access. login form work smoothly when i enter the correct adminid and password but never display an error message if wrong data was entered or no data was entered. I need a help …

hi guys, i have declared a char pointer. i am using this in itoa() function to convert integer data into hex data e.g [code] char * hexData= NULL; itoa(1484820,hexData,16);[/code] this results in equalent of 1484820 in hex decimal and store it in hexData. now when I want to some process …

Hey professionals, I use DataGridView that allows me to add new rows in table. But when I want to delete it by clicking on my deleting button with following code: DataGridView.Rows.RemoveAt(DataGridView.CurrentCell.RowIndex); ...it makes problems, others rows aren't problematic to delete but this is. But not on purpose I want to …

Hi friends, I have a custom tree control(Tree control) and a check list box placed next to each other on a frame.i.e., tree control on the left side of the frame and check list box on the right. I need to place sizers such that on exapnsion of the frame, …

I need help with program i cant find a way to get rid of the error and if i think a little bit more my head will explode this is a 2day program for me [CODE]#include <iostream> #include <stdio.h> #include "simpio.h" #include "strlib.h" #include "random.h" #include "string.h" using namespace std; …

Hi friends... I have a frame with a panel which contains a static bitmap. On resizing or expansion of frame, I want the bit map to be at the centre position with refernece to the frame always irrespective of the size of the frame. Please help!!! Regards, Dinil

hi every1... i hv a doubt in updating my date... i hv a textbox asking for the number of days(days1).... n a dtpicker1 that should show the date after the number of days(days1) from the date the form is run and submitted.... there is a lable today that takes the …

Hello everyone. I am trying to create a program that reads these values / strings from a file: 170 Lipstick 250 Orange Crush 350 Chickadee 450 Green Grass 550 Monaco 750 Toffee Crunch Then I am supposed to create a menu that prompts the user to provide either the number …

I need to average the numbers in the array and display and also detemine the letter grade and display. I've managed to average the numbers but I am unable to display the lettergrade, (won't compile) I think it has to do with "Average Grade" being a constant string This is …

I have created a class module, and my program creates many instances of the class. Each object has a lot of data, and I want to be able to create a new instance that is a copy of an existing instance. I can't figure out a automatic way to do …

Hey all, still working on my lil program. But now that I'm getting into loops I'm pretty confused on this one. Needless to say I think this is the first while loop I have used since I started python about a week ago. What I'm trying to do at this …

I've been overloading some methods for a template class. This means I can write my code in this way. [CODE=c++] myClass var3=var2+4; [/CODE] Is it possible to do it the otherway around like [CODE=c++] myClass var3=4+var2; [/CODE] I know that the end result will be the same, I was just …

Howdy, I'm a total newbie to scripting and I can't figure out the proper syntax to shell script a for loop for the following scenario: I have a directory of symbolic links to backup log files. I want to loop through the dir to cat the last 21 lines of …

I started programming in Python as a hobby a few weeks ago, and I have run into a little problem. I am currently making a script to give me a sort of Vocabulary Test. It is kind of hard to explain so I will just show you the code. [code=python] …

i have to write a simple java program write an application that determines the value of coins in a jar and prints the total in dollars and cents. Read integer values that represent the number of quarters, dimes, nickels and pennies so i did it i don't know where to …

Hi there! I am just starting out in c++ and so far, its going ok. I have a small problem in a simple program that is frustrating me, so I am hoping someone will point me in the right direction of where I've gone wrong. The program basically prompts the …

i would like to how a host name is stored and it's structure in dns (domain name service) along with ipaddress.by which name a normal client computer is given it's hostname in the dns. here the client availing particular host name does not pay for it. in my computer i …

Compile this code with MSVC2005 [CODE] unsigned short x = 20; unsigned short y = 20; for ( unsigned long i = 0; i < x * y ; i++ ) { cout<<i<<endl; } [/CODE] and u get warning C4018: '<' : signed/unsigned mismatch why? i mean, it all runs …

Howdy. I am very new to C# so I please forgive my ignorance. I was reading about jagged arrays and multidimensional arrays. I am trying to understand why the following code will work as I would expect it to. [code=c#]int[][] intJaggedArray = new int[5][]; intJaggedArray[0] = new int[5]; Console.WriteLine(intJaggedArray[0].Length); [/code] …

what dose the error " Null pointer assignment" means and what causes this error?:idea:

Hi guys, I'm new to this but I have no idea what is wrong with my code and I'm going insane trying to figure it out and its due very soon! I would appreciate any help you can give me! Here's my code: [code=cplusplus] #include <iostream> #include <iomanip> #define ROWS …

Hi friends :P I'm needing some help on an assignment. I'm really not sure about all the argument-passing and structure references I have been assigned for my C++ class. Any help is greatly appreciated. I'll continue to work on it in the meantime, but I cannot get it to compile …

Hi I want to create an array as shown in the class below everything is working fine, but at the end of execution of the program, there is a memory fault Please help me in finding out the problem [code=cplusplus] class a { int i; int arr[]; public: a(); ~a(); …

How do I use a pointer with a 2-dim array? I am converting string to char array. char x[25][100]; const char* A= x; A= x.c_str();

Hey guys, I been working on a small project I found on another forum. It's supposed to decode scrambled word from a word list in 30 sec or less. Well I'm pretty noobish so my method might not be all that great, but I'm giving it a go and learning …

I have put values into 6 elements of the vector Numbers like below. What I wonder is if there is any function to check for the Highest value for a given range of the vector. Say I want to find the highest value from elements [3] to [5] wich in …

I'm completely new to C & need some help =( I want to make this clear.... This is a homework project that I'm stuck on so if you feel this is "cheating" then sorry for "offending" you. How can I change the tax rate in the executable file? This is …

I have 3 applets like this one that have walkers. What I need help with is adding an action listener to the buttons. I have tried several times and keep getting this error. I did have oneWalkerButton.addActionListener(this); [B]in java.awt.Button cannot be applied to walking[/B] What is supposed to happen is …

hi again i help with my carnival clubs fundraising and being lazy like i am, i wanted to make a program that would tell you how much to ask for after inputting information and would then save it into a text file. using griboullis' help from my other thread about …

How can I use right-to-left text in a JTextArea?

I'm trying to instaniate (not sure if thats correct spelling lol) one of my classes but even though i've spelt the name correctly i keep getting a NameError: main: [code] import os import os.path import shutil print "#######################################################################" print "# FOLDER SORTER - VERSION 0.1 Beta #" print "# This …

i have a small app that reads a forecourt program's database. i want to get the current shift's info from that and display/print it out. SELECT name, liters, amount FROM salemast ORDER BY name the above statement was my first idea, but that didn't add them. just got a long …

Hello, I am writing some testing scripts. At the end of each test I may have to return my environment back to it's default state using various subroutines in various modules. I realize that using the END block I can run these subroutines, however I have hundreds of these test …

hi people, I'm supposed to be creating something like a dynamic item number generator. for example: FROM: A 1 0 111 TO: B 2 0 112 should produce: A 1 0 111 A 1 0 112 B 1 0 111 B 1 0 112 this would be quite easy using …

This goes out to only the users of Dev C++ (or people knowledgeable with this compiler). I am trying to consolidate all of the files needed to run Dev C++ onto a flash drive so I can use it on multiple computers. I have been having problems getting the app …