Software Development Forum

I have a 2D array whose cells represent each character in a terminal window that can either be ON or OFF (boolean). [CODE] bool grid[24][80];[/CODE] Then, using the ncurses API, I grab a key press: [CODE]key = getch();[/CODE] where key is an int type. The 'q' key is what I …

hi, I want a code for opening a particular folder on button click. I'm developing an file searching application for linux which gives result in jtable. I want to open the containing folder of selected file I able to retrive the parent folder path from jtable. I just want to …

So, I'm still working on my matrix class (in case anyone reading this also read my thread from the other day). I really like the array-feature that I can initialize an array with a list of numbers, such as [CODE]double array[2]={1,2};[/CODE] and would like to implement that in my matrix …

My program is created to output permutations. Depending on the input that I put in, I sometimes get the correct result, but it is not accurate. However, when I do "abc", I get the correct result. When I input peoples names, I get a random result. After trying to figure …

Hi, I have a text file that contains bunch of phone numbers. Some contain invalid characters and some are too long. How do i read this file into a list using regex. I only want valid phone numbers to populate the list, and skip the invalid ones. this is what …

hoow to inset into database default image in byte formate when not selecting image from fileupload. protected void subbtn_Click(object sender, EventArgs e) { if (fp.FileContent == null) { Byte[] imgByte = new Byte["image/1.jpg".Length]; } else { FileUpload img = (FileUpload)fp; Byte[] imgByte = null; if (img.HasFile && img.PostedFile != null) …

Hi Experts, I have question on the bellow program (runs perfectly), 1. As I have created an instance (object) of startup class and we dint called method [B]paint[/B] from the [B]main[/B] method using the object but [COLOR="Red"]still it is called (how?)[/COLOR]. But in case of Instantiable classes, we need to …

using exception try, catch and finally derive a program that accepts any 10 letter string. if the string is greater than 10, display an error message; if string has no vowel display an error message else display only all vowels. can u help me for the java code of this …

Hi, [CODE] #include<stdio.h> int main( void ) { float a = 0.2; if( a > 0.2 ) printf( "\n a is greater than 0.2" ); else if( a < 0.2 ) printf( "\n a is less than 0.2" ); else printf( "\n a is equal to 0.2" ); return 0; …

This is my first time with C# (So far I've been using it for about a week) and I have a few small issues and would like some pointers on tiding up my code. I have decided to make this section of my code multithreaded as before it was cause …

Hi Everybody, I'm was given a project that manages sales activity within a company.I'm free to choose any language i would like. It is not a very complicated application. What are the advantges of programming the app in C# .NET vs.VB6 ? What would you choose? Thanks Dan

i want to fill one datagrid on click of another datagrid cell values on same page.......plz answer. i used on datagrid having technology name on click of any technology name i want to fill another datagrid from database on same page.i used viewstate but didn't work......

Hi all, Currently trying to write a piece of code for a project at university, with very little C Compiler experience I am struggling... Basically- we have 8 LED's, and 8 switches. We want 4 of the 8 LED's to light up at random when the program is run, that …

Hi there I'm trying to check if an array area exists, e.g. [CODE]if (array[99][99].exists){ ....}[/CODE] THis doesn't work... e.g. It gives me an arrayIndexOutOfBounds error. What I need for it to do is just ignore and carry on the code. If it finds an arrayIndexOutOfBounds, fine, carry on, just ignore. …

Hi there, I was wondering if anyone could help me find a procedure in python that takes in an unsorted list, and returns the difference between the largest and smallest values in the list, without using the built in max/min/sort procedures. Thank you!

Hi I want c language code to open my web browser (IE or Firefox) and close it after 2 min. can any one help me?? please i need it.

It compiles and runs, but after "Here is the starting empty cubes vector" prints, I get this message: [B] Debug Assertion Failed![/B] [B] Expression: vector subscript out of range[/B] Can someone help me, please? [code=CPP] #include "stdafx.h" #include <iostream> #include <vector> using namespace std; // Cubed integers class cubes { …

hi guyz,how will I find an item that's in the combobox that everytime I pressed the keyboard it will be automatically displayed in the combobox?for example I have Items like cats,pigs,dogs in the textbox then when I press d or do the Items dogs will be displayed..please help me here!

Hello To all Great developers. i want to use urdu in my textboxes and grid and i want to insert urdu in to database via these controls, plz let me explain step by step how to use urdu in c#.net. in vb6.0 we used urdutexbox.ocx control but .net i think …

Hi Guys, Ive been trying to write an app to receive exports of songnames from a broadcast automation system it receives the export via TCP/IP for the most part it works however I cannot get it to rotate songnames around in an array [CODE] var export:array[1..175] of char; songs:array[1..8] of …

hi all,in one of my interview the question paper was like this. we need a banking system application which is having account types like saving account,current account and these account type having deposit,withdraw which are different for the account type,but the view account balance is same for the account type.you …

hi everyone, Recently i am doing a web application on receiving sms by PC. anyone has got any codes for receving sms using vb.net? or does anyone know where i can get relevant info for it? Thank you very much!!

hi...i worked on few projects on visual basic 5.0 on school which has windows xp......then i created exe file for it and tried to run it on my computer which has windows vista....but i am getting error message which says MSVBVM50.dll was not found...can somebody help me plz...

hey, i am new here but i have taken a few c++ classes. im having trouble with a very easy program and i just cant figure out why its doing this. ive looked around the forum already and didnt find anything helpful so i thought id ask. [CODE] include <iostream> …

Hi How can i check if some value exists in the data reader How can i do that ? any ideas please .

Hey guys, I'm trying to run this code [code=c++] // Copyright (C) 2001-2003 // William E. Kempf // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #include <boost/thread/thread.hpp> #include <iostream> void helloworld() { std::cout << "Hello World!" << std::endl; } …

Hello, I have got a Java queue and i want to print out the smallest number in the queue. Right now my program prints out the first number in the queue. Here is the code: [CODE] import java.util.ArrayList; import java.util.Iterator; public class Assign1 { private final int MAX_QUEUE_SIZE = 5; …

Please help to come to from this problem: i had written a sample code to display Hello and imported as jar files then created new dynamic web project and using a hello.jsp page i am calling the applet class but its not display the applect please give me the solutions: …

I am trying to write an if statement to test whether two conditions are both true. However, my code does not work when I combine the both tests into one if statement like: [CODE] if((last_smallest < samples[i]) && (samples[i] < current_smallest)) current_smallest = samples[i]; [/CODE] I know it is possible …

hello need help for this how can i trap if my mch_rs!qtyh is zero example H1010 the quantity on hand is 10 then if i input quantity 10 then click the add button so now my H1010 is zero.then if i input again the H1010 it should prompt that the …

I need some help with classes and methods. Here is what i need to do: 1. Create a concrete class, Robin, which inherits from Bird. Robin has a single instance variable, name, of type String with private access. Robin implements the remaining required methods. Here is the code for each …

I am trying to compare an array user_correct[] if it has a 0 it hasnt been used if it has a 1 it has. However it is not registering my if statements. [CODE]import java.util.Random; import java.io.*; public class Lottery { public static void main (String[] args) throws IOException { BufferedReader …

> Specification: Display a menu > Find Errors in this program #include "stdafx.h" #include <iostream> //change io to iostream #include <string> using namespace std; // added I get the `Error 1 error C2065: 'choice' : undeclared identifier line 17 which is 'choice'` What am i missing? int main ()// added …

I am suppose to write a method that checks whether a string is a valid password. The password rules are: 1.) A password must have atleast 8 characters 2.) A password consists of only letters and digits 3.) A password must containt 2 digits I need to write a test …

Hello I have 4 .py files along with __init__.py in a folder. I want to create a file which would act as a menu and load classes from the files in that folder. I have that file outside the folder. The contents of that file: [CODE]from files import * print …

I had thought I was finally done with this program, it finally ran but then realized that it wasn't doing the right thing mean LOGIC error :( Can someone plz help me correct this error I have been messing around with it but keep running across errors Here is the …

Hi, I would like to know how to free a memory after I am using a imagelist or picturebox/ image file. I have a program who loads picturebox into a imagelist, only 2 pictures at the time. My problem is, after running my program several times (by using "start" command …

Can anyone tell me why my recursive find function for a binary search tree isn't working? It keeps returning false when searching for items that are in the tree. Thanks. [CODE=cpp] template<class T> bool BST<T>::find(const T& sitem) const{ //Precondition: // A binary search tree exists // //Postcondition: // If item …

im currently trying to create a button widget using Tkiner and would like to know how to get a number from that button when i click on it. I have tried lots of methods and ideas from different people and i still haven't got the right bit of code. any …

I need to pass a 2D array of int's into a function, which is normally fine, but the issue is that I don't know the last depth of the array. I know how to do it if I knew the length of the last dimension, but it is user defined. …

About two weeks ago, I was given a simple project in Java II; code a program that displays an image, plays a sound, and has loop/play/stop buttons for the sound and zoom in/zoom out buttons for the image. I decided to go ahead in the book with this project to …

I am reading in data from a textfile, specified by command line args eg.. <app> inputfile outputfile I have not yet done any file output, yet have developed some code. What I'm aiming for is printing out the shortest route from one node to another in a graph. *The graph …

When making a GUI, does it matter whether you use 'content' or 'this'? For Example: [CODE]content.add(b1);[/CODE] OR [CODE]this.add(b1);[/CODE]

I have been working with c# for about a year and with Visual Studio for a couple months. I was debugging a web browser that I made and I found out that when I go to a web site other than google, the url on the search bar remains the …

Ok, so I'm done with my "Code Break" and I'm back in "action". A couple months ago I completely dropped programming to pay attention to other things in my life. I was only on the forums a brief period of time anyway, so most people probably don't remember me at …

I'm having a problem with a homework assignment. I had to create a doubly-linked List class with an iterator. I have done this except there is one "display" method that displays a large integer that is stored in this List class. The method is constant and my custom Iterator class …

Hello, i am programming a spreadsheet as my assignment. I have done it but the last step is to make it so uncalculated cells linked to other uncalculated cells need to be calculated. meaning if A1 hold the formula A1 = a2+a3 and if A3 in turn holds another formula …

Hey everybody, I was wondering if somebody could help me. I'm having trouble with this assignment, tried to email my teacher a few days ago and he has not returned my email, it's for an online class. The whole chapter is talking about abstract classes and Inheritance and it's very …

Hi, I have a homework assignment to copy the elements of one stack to the other except in reverse order. The algorithm is easy enough for me to figure out and implement. My only question is, I dont really understand how im supposed to add my own function to a …

In my program below, I am having problems running my program. The error I receive is "could not convert `nextPermutation(((char*)(&elements)), n)' to `bool'" I just want to print out the permutation of ABC. Will someone please check my nextPermutation function to see if everything is correct. I know there a …