Software Development Forum

Hi everyone, I'm making a program to store library books details, my constructor is such: [CODE]public Book(String author, String title, String publisher, int year)[/CODE] and I'm using an array to store and number the books and details, as such: [CODE]for(int i = 0; i <= 100; i++) { String book[i] …

Dear Sir, The following is a simple program in Delphi. Could you tell me the meaning of the colour in red. program Negatives; {$APPTYPE CONSOLE} uses SysUtils, ourcrt; var balance, posNeg:integer; begin randomize; writeln ('Generating your bank balance'); writeln ('Please wait .....'); sleep (2000); create a random number between 0 …

Dear Sir, The following is the very basic programme, but I often miss the comma and delimiter which is red in colour. Could you express the meaning of this? program AgeCalculator; {$APPTYPE CONSOLE} uses SysUtils; var age, months, days, hours: integer; begin writeln ('How old are you?'); readln (age); writeln …

hi am new to java and have a problem in displaying the x and y points on the graph to solve this ax3+bx2=x+d=0 here is the code import java.awt.*; import javax.swing.*; import java.awt.event.*; /** * PROGRAM: Cubic * DESCRIPTION: This program solves the cubic Equation for a given range of …

Dear Sir, The following is a good example of Pascal. I understand the font with red in colour is the location of display into screen but could you express the meaning of sales1:7:2, sales2:9:2, sales3:9:2, sales4:9:2, sales5:9:2, sales6:9:2?? Cheers, uses crt ; var sales1, sales2, sales3, sales4, sales5, sales6, total_sales …

Hi, Im trying to write an irc client with python. This is its login page(i hope it will be) [CODE] #!usr/bin/env python # -*- coding: utf8 -*- import gtk, sys, socket class PyApp(gtk.Window): def con(self): iserver = self.entry.get_text() inick = self.entry2.get_text() room = self.entry3.get_text() password = self.entry4.get_text() socket.server = iserver …

Hello everyone, I'm pretty new here. I'm facing a problem, the compiler says "Segmentation fault". Please take a look at the code and tell me where I'm going wrong. I tried hard to figure it out, but I couldn't. Thanks a lot. [code] int **PointerArray; *PointerArray = new int [LENGTH]; …

hi everyone, I have searched for and answer to this and cannot find any solution. So please forgive me if it is a straight forward answer! I have a module that is imported. It has a number of subroutines inside it that need to be run, one for each year. …

I'm using the following link to learn how to pass VB string arrays to a C/C++ dll for editing. [url]http://support.microsoft.com/kb/118643/EN-US/[/url] The problem I'm having is, where is the vbapi.h? I've searched my hard drive for it and found nothing. I've also searched the net for where it could be possibly …

Let me start out by saying I've been playing with Python for a few weeks now, was recommended by a friend who uses Perl, and it's been quite enjoyable to play with. I've no other programming experience except HTML/CSS. This site has been a wealth of information and an excellent …

I'm trying to make a perfect numbers script but having almost no success... Perfect numbers are those whose factors add up to twice the number itself... factors don't have to be prime... So like the first four are 6, 28, 496, 8128... 28: 1,2,4,7,14,28 1 + 2 + 4 + …

I am trying to create random rectangles and ovals. This is what i ahve so far: [CODE]import java.awt.Color; import java.awt.Graphics; public class MyRectangle { private int x1; private int y1; private int x2; private int y2; private Color myColor; //constructor with input values public MyRectangle( int x1, int y1, int …

The question is in the title. How do you create a list r = range(5) and just reference the data without referencing the object itself. ie. o = r .. I just want to reference range(5) without referencing r itself. if i did o.pop(0) it likewise does r.pop(0) ...ideas?

I am working on a problem that requires that i create a 3x3 matrix in python using the list function. these are the functions that im required to use to create my matrix: def mlist(size): list = [] for i in range(size): list = list + [None] return list def …

Hi all, My program is supposed to read data from an input file and position the read data into an AVL tree - in alphabetical order. My output at the end is supposed to show each node in this format... i.e. (Current, Current->LeftChild (could be NULL), Current->RightChild (could be NULL), …

Hi, I'm a beginner, and just want to display an image using Python. I have this code... [code]from PIL import Image Image.open("pic.jpg").show()[/code] which according to what I've read, should work. However, it just opens Windows Photo Gallery and says 'There are no photos or videos selected'. I have ensured that …

I am creating a program in c that finds out the weather and changes the desktop background accordingly. So far i have managed to connect to the internet and DL the bbc rss feed to the file, which i can then open up. I have almost managed to get it …

Ok I'm going to try to be as specific as possible. Here's my input file (at least to some effect): [code] #'s searched 1 3 3100 56801 .52 87925.32 2 Mitchell 1 boudreax 2 1 4 5480 56825 .81 68939.09 0 1 5 8520 56829 .89 10892.40 3 guillott 3 …

Hey everyone, I'm trying to work with Sets. I have a function [I]Union[/I] that takes a class type [I]Set[/I] as it's parameter. The function returns the union of class A and B. Here is my code: [code=c++]Set Set::Union(Set setB) { Set result (maxItems); for (int i = 0 ; i …

Hello everyone, I really need some help with this project I am working on. So I need to go through a text file to search for a particular string (say something like 'play') and then if that word exists in a line I need to find a string after that …

Hello all, I am solving some of the exercises in a new book of C++ I am having trouble in declaring [quote=THE C++ BOOK]A Reference to a array of 10 Integers[/quote] Its on the 19TH and 30th line. I have the total code over here. [code=c++] //Declarations for all the …

I'm getting seemingly unfounded errors with this seemingly easy program.. the variables "guess" and "i" are user input [code] for guess in range (i): float(guess + float(x / guess)) / 2 print guess [/code] I'm getting: ZeroDivisionError: integer division or modulo by zero

<code> Hi there. I am trying to use soap in my access database and am following [url]http://www.aspfree.com/c/a/VB.NET/Calling-a-Web-Service-using-VB6-with-SOAP-30/2/[/url] to help me learn it. I followed the tutorial exactly and when I run my access forum, I get object required on Option Compare Database Private Sub Command1_Click() Dim client As Object Set …

This is my first post. I am trying to use Visual Studio 2003 which is what is available at work. I am having to problems: first I don't seem to be able to set a watch on a variable, the contex menues are grayed out. The second is I am …

I tried to do this to redirect the clog output to a file: [code] ofstream ofs("file.log"); clog.rdbuf(ofs.rdbuf()); clog << "Logged." << endl; ofs.close(); [/code] It worked (the file contains the text), but the program segfaults. I read that you have to "restore" the original buffer, so I tried this [code] …

Hi guys, What am I doing wrong here? Program dies on me @ merge(). :( [code=cpp]#include <iostream> #include <vector> using namespace std; int main() { int afrom[4] = {0,0,1,2}; int ato[4] = {1,2,3,4}; vector<int> from(&afrom[0], &afrom[4]); vector<int> to(&ato[0], &ato[4]); vector<int> length; vector<int> all_nodes; sort(from.begin(), from.end()); sort(to.begin(), to.end()); merge(from.begin(), from.end(), to.begin(), …

I am working a program that imports functions from a file, and stores them as Polynomial objects in a linked list. I have been given a linked list class already built. But i have to make a Database class that performs other operations. I am stuck on one that requires …

Dear Sir, Please help me in this part of the question. I want to change the phone a friend details. Find a person and change their phone a friend number. To do this I need to find a record in memory and overwrite that record's phone field. Then save all …

A friend of mine said that python could be used to make simple GUIs (ie. a couple of buttons and a text box). I googled "python gui" and it looks like there are 30934 libraries to make GUIs. Is there a "standard" or "built in" one? Thanks, Dave

Hello, I have this code of converting hexadecimal value to decimal but getting a warning at compilation. I'm starting to learn Perl and this one really makes me - almost - crazy! :) --- [code=perl] #!/usr/bin/perl use strict; use warnings; my $decVal; print "Please enter a hexadecimal value to be …

I got a "working" script for monitoring Autosys jobs. Basically, it starts with listing all the jobs that are due to run in a "shift". Now, I'm in the part where I want to delete a job/word from a list BUT only the first occurrence of such job name. This …

Heres the code, im pretty sure i missed something really stupid, No matter what number i type i get "The number oyu type must be a positive number" so i guess the problem is either in my if statements in main or in the checkuserinput function, most likely in my …

say you have a list, b, you don't know how many items are in there, but how could you add up all the items? for example, if your list is [2,4,5,8,10] is it possible to find the sum of all the numbers? so it will give you 29? i've been …

Been working on this project for the past two days and tried googling for solutions and about every 5th solution led me here, so I decided to join and see if I could get my question answered. Here's what I need to do, this is a semester long project for …

I'm getting an error (unhandled exception writing address so and so) trying to modify a string. It gets weirder though. Let me show what i've got: --Main.c-- [CODE=C]#include "stdafx.h" #include "commands.h" int main(int argc, char* argv[]) { char word[256]; int id; strcpy(word, "move"); strToUpper(word); printf("%s", word); id = getCommandId(word); if(id …

Hi, I have a question regarding Methods. I have a method that takes a base class. I am getting an Error when I pass class that is derived of the base to it. For Example [code] Class TaskToRun { public virtual void run (); } Class SayHi : TaskToRun { …

Bah, once again I am beat by the computer logic... Anyone have an answer as to why it gives me an error: "Expected a constant expression at msg" Here's the code, [CODE] const int INFOWND_SIZE = 4; int msg_length[] = "Message"; double calc_amount = (double)msg_length/(double)INFOWND_SIZE; int msg_amount = (int)ceil(calc_amount); char …

Question directed at JamesCherill specifically, (and anyone else who can answer it) I've never had [I]too[/I] much trouble with communicating between the model and the view, in an application that only has a model and a view. However, looking at the observer pattern (at the bottom) of this [URL="http://leepoint.net/notes-java/GUI/structure/ui-model-communication.html"]link[/URL], I …

this is kind of a quick question, but just a bit complex: say i want it to find n in range(5), i would do this: [code]for n in range(5): print n[/code] and it would return 0,1,2,3,4.... but what if instead of returning i want it to put it in a …

The title says it all i want to make 1 file which can store information which my C++ program can read and use. How do I go about doing this.

Hey everyone! I'm having trouble with the Open File Dialog in VB.NET. It works fine because I am only returning the file path of the file selected, but for some reason the dialog box reloads every time it is clicked for the first time. For instance, the dialog opens and …

i'm making a program, i need to know is there a command for "divisible"? as in [code]if m is divisible by n[/code] if not, is there a command like "if its a whole number"? as in [code]if m is a whole number[/code] of course i can work with either command, …

THis is what i did if (txtName.Text == "") { MessageBox.Show( "All Field must be Fill in!!!","Missing Information", MessageBoxButtons.OK, MessageBoxIcon.Error); } else what do i write on the if, to stop the button from executing the label action since information is missing?

hi!! to show the source code I thought it is supposed to do this (at least it worked using ipython with version 2 of python): >>> method?? I'm using version 3. How can I show the source of a method. eg: >>>def sayHi(): print('Hi') >>>sayHi?? then show the source code. …

if i want to print 2 to the power 3 normally what we do is 2^3. is there any other way that i can print it in the console in the way that we normally write it on a paper. does anyone know it pls tell me.

Hi i'm new to coding and am having a problem with a program i'm making, i have got it down to 4 errors which are on a single line, but i have no idea was wrong and how to solve it. [code]#include "stdafx.h" #include <iostream> #include <stdlib.h> #include <string> #include …

HI, aLL [code]final int[] fromStop = {1, 2, 3, 3, 4, 5}; final int[] toStop = {3, 4, 5, 1, 2, 3};[/code] im trying to write a loop to create and start passenger threads with the respective from and to stops in the arrays above. e.g. Passenger 1 goes from …

Hi Folks, I am having difficult with a program. I have a program that downloads a file to the directory it is being run from and I need to move it to another one after its done downloading. I found code that should do it but it keeps failing, and …

I need to be able to get rid of spaces in a string. All strings are representations of functions: 3 * x ( 1 ) + 1 * x ( 3 ) + 6 * x ( 2 ) – 10 * X ( 0 ) and i have to …

Can anybody tell me why i am getting duplicate value.when i try to make query.here is the sql statement.what i have written.Kindly find the screen shot also. [code] SELECT m.productname,m.unit,e.quantity FROM (MaterialRequisitionOrder AS p INNER JOIN MaterialRequisitionDetail AS e ON p.requisition_no = e.requisition_no) INNER JOIN Materials AS m ON e.item_code …