1,089 Topics
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| | Hey so my project is an Average Calculator to calculate the average of a set of numbers. Anyways, I must make it in a GUI and I have chosen Win32. My problem now resides while trying to do the following: - When there is a paint request, to paint anything. … |
 | Hello! I programmed in c++ for a while but did not get very far into OOP; I want to make video games and I believe C# would be more accommodating for a beginner to achieve such a task? I'm wondering if what I will learn about OOP in C# will …  |
| | I have an assignment where I have been asked to ask the user for input. What I am trying to figure out is if there is anyway to call and use methods of another class whose constructor requires parameters without passing them from the main class that will be calling … |
| | There is a working code about a program in which you should create differen Cat objects with name and color parameter and apply method to the objects. The problem is that I get the method working for only the last cat [CODE]public class Cats { public static String name; public … |
| | Hi, I guess it's time for my first post here :) I've managed to create a php script that can run through a MySQL table and print out OPTIONS for a HTML SELECT tag. That was Google 101. But I want to keep my php and HTML separate so i've … |
| | I configured a logger namely "My Log" in my main class which can write errors in a log file named mylog.txt Now I want to use this same file for all packages and classes there in. I tried to put this in other class Logger.getLogger("My Log") //Did nothing Now what … |
 | Hi Folks, The page on which my userscript will run has a namespace, the namespace defines a constructor function. I would like to create an object using the same constructor and use methods of the object in my userscript. So far I have been unsuccessful. Here's what I am trying … |
| | Hello, I am new to C++ windows programming and have only taken 1 class in c++ in my life (I have experience with other languages and OOP). I'm using Visual C++ 2008. and my project is created by the wizard for a Windows Forms Application. (I'm guessing this means CLI … |
| | Hi, i'm not very good at OOP, basically just started it. My program basically its like a system for a game shop, the main isn't fully done yet, however main isn't a problem. The other files must contain some kind of problem in them. Well enough of the talk, I'll … |
| | hi all, I have a class A that has a char* var, operator and methods. In addition I have a global func(char*s). I would like to run this code from the main function by adding operators to my class, I need help writing them. [CODE]A* pA; ... A** ppA = … |
| | Hello, i'm justarting out with OOP with Java and i'm looking for a bit of help with a bit of code as i can't quite work out why it wont work as i'm still learning. Here's what im being asked to do [I]write a public method called requestPositionsAndMove() which takes … |
| | I have the following program : [CODE] #include<iostream> #include<string> #include<conio.h> using namespace std; template <class T> class matrice { T **a; int m,n; public: matrice(); matrice(int,int,int); matrice(char *); matrice(int,int,T **); matrice(matrice &x); ~matrice(){}; template <class U> friend ostream &operator <<(ostream &,matrice<U> &); int getNrLinii(){ return m; } int getNrColoane(){ return …  |
| | I need some help with inheritance in php. The code below does not produce any output. [CODE] Class Father{ var $car; Function inherited(){ print $this->car; } } Class Son Extends Father{ Function __Construct(){ $this->car='Benz';//I'm assuming here that car is still a property of father. } } $obj= new Father; $obj1= … |
| | Working with some OOP, I had an error that I have now traced to inistantiation of a class when the file in which the class is contained is included in any other file. Is this the default/normal behaviour of php, and how do I get myself out of this? I … |
| | I hava script with both $this keyword and without it. Each one does the same thing. I cant understand what does $this do. this with [B]$this[/B] [CODE]class Time { var $sTime; function GenerateCurrentTime(){ $this->sTime = gmdate("d-m-Y H:i:s"); return $this->sTime; } function ShowFutureDate($iAddDays=0){ $this->sTime = gmdate("d-m-Y H:i:s", strtotime("+" . $iAddDays . … |
| | Hello everyone, I've got an interesting situation. There are three classes [named "A", "B" and "C"], all derived from a abstract base class [named "base"]. However, in my program, I need to sort a vector of "base" object in a way such that objects of type A are less than … |
| | [B]Ah! Never mind! I forgot you could embed classes such as:[/B] [code]class Heroes(): class Lords(): class Phill(): hp = 25 >>> Heroes.Lords.Phill.hp 25[/code] ------------------------------------------------------ I am attempting to write an RPG in Python. I am not worrying about the battle system or mapping quite yet, and am more focused on …  |
| | I need help with an assignment for my programming course. I have three classes A,B,C. all stored in one array. (These are not my real classes there are just a guide) [CODE=c] Class A{ char name; public: virtual print(){ printf("%s",name); } } Class B : public A{ char middleName; public: … |
 | I am having some trouble on inheritance in java. I am just testing how it works. I have a file that produces a random number in a folder called number. I have a file that calls the RandomNumber code that is in the main folder. I am wondering how I … |
| | I have a few been studying OOP for some time. I keep reading in almost every book that OOP was developed in order to write more complex software and has many features not available in procedural programming like code re usability, security, modularity, encapsulation etc. I haven't developed any real-world …  |
| | I have a situation like this... I have four different tables namely btech_ece, btech_cse, btech_it, btech_eee all these tables have the same columns. Its just that the name differs and everything else is same. Their columns are:- Id Year Semister Section Period SubjectCode Date Status now i have four different … |
| | About a year ago, I built a simple ray tracer in Java, and now I'm trying to port it to c++, but I can't figure out how to get a couple of my classes to work together. It should be fairly strait forward, but its not working. Here is a …  |
| | Hello! Considering the competition on "classes"-related keywords is it realistic to create good SEO - first page on Google - and if so how long will it take? |
| | Hello everyone. I am pretty new to oop, so this might be a simple question. I need to get data from my database and I need it in several different places on my site. So I decided to create a class to get the data instead of writing it over …  |
| | i am just learning how to code for oop and i have an error that i have not seen Fatal error: Class 'queryUpdate' not found in testingfile.php on line 28 line 28 [CODE] $queryUpdate = new queryUpdate($table, $fields, $condition); [/CODE] what i am trying to run. which is in another …  |
| | Hello everyone. I've been trying to implement a linked list in C++. I found this implementation on the web, where they created a struct for the list's nodes. When trying to add a new node to the list, I get this error: [B]List.C: In member function `bool Linked::addNode(Point)': List.C:23: error: …  |
| | Hi, so I finally got around to looking into OOP in c++ and I have a question about classes. So I made this simple class: [CODE]#include <iostream> using namespace std; class Shape { int xPos, yPos; public: Shape(int x, int y) { xPos=x; yPos=y; } } ; int main() { … |
| | I'm looking for ways to create variables in python3 as needed. E.g book1 = book(name1) # book is a class book2 = book(name2) book3 = book(name3) book4 = book(name4) book5 = book(name5) : : : V book-n = book(name-n) I have the names of the book in a list but … |
| | I was just a bit confused about something sorry. If you have two classes, Ribbon1 and ThisAddIN below. How can I call Example()? - All are in the same namespace.. [CODE] public partial class Ribbon1 { private void button1_Click_1(object sender, RibbonControlEventArgs e) { //Call Example() from ThisAddIn Class Example(); } … |
| | Hi, i have class "User_registration" and in this class i need use many class: "Location", "Links", "Mail", "Module". i create include all class in file: include 'class/location.php'; include 'class/links.php'; include 'class/mail.php'; include 'class/modules.php'; Now create "User_registration" class. [CODE]<?php class User_registration{ public function insert_to_db($name, $country_code, $home_page) { //work with data return … |
 | Ok it's all about to create 4 class Class a , class b derived from a and c derived from b and test class Speed is an instance variable in class b and c. The method are : Start() -a method of all class to print the message"hee" override the … |
| | hi. i need help for a problem. i have an array of double values in the main method. i am trying to create an object and pass the array to a different class using an overloaded constructor. i am having trouble with the syntax. please help, i need to use … |
| | Hi, I have a homework assignment that I just cannot figure out. I would be grateful of any help. The assignment is: Create a program which: Implements a class called Queue: The class should contain an array of maxQ integers. There should be two constructors: One that takes no argument … |
| | Hi, I have a project to do for a C++ class that asks us to use a class termed "queue" to store some values (20/100/user defined) and allow the user to add/remove values. I'm sure it seems really basic, but I just can't get my code to display the class. … |
| | So We will create a java program but i don't know how to start it. We should use OOP in this one. And there should be minimum of 3 classes (including the main).. Buy n’ Sell An electronics and appliance store would like to install a kiosk for customer use. …  |
| | So We will create a java program but i don't know how to start it. We should use OOP in this one. And there should be minimum of 3 classes (including the main).. Buy n’ Sell An electronics and appliance store would like to install a kiosk for customer use. …  |
| | OK, so I'm new to programming and trying to better understand it. Here is the assignment: * You must hold all of the student data in an array. * You must hold all of the course data in an array. * You must hold all of the scheduling information in … |
| | Please dont tell me to "google" it obviously I'v tried everything and this is my last resort. k thanks :) ok so I have to set a value to be restricted in the constructor ___________ Modify the constructor and set methods of the Shape class to verify the values of … |
| | Hi, i have this assignment to do and i dont really know what i have to do could someone tell me what i have to do in simpler language thanks Here is the assignment: Create a program which: Implements a class called Queue: The class should contain an array of … |
| | Hi, I've been working on this for two days. I need to pass an arraylist to another class. It gets the information, and will print out the menu, until the program goes back to the initial class, then the list empties. I don't get it, and I'm so confused. [CODE]public … |
| | I'm really intrigued by OOP, I feel that I can help most people with OOP questions reasonably well, but I still have a lot to learn and there's something that bothers me. What is the best way to write the program's main() if I want to create a truly OOP … |
| | hello , i used an array using aggregration in OOP in order to insert multiple datatypes in the array and i wanted to convert it into dynamic array , so as to edit the entries and here is the code of the 2 classes and the main function [CODE]#include<iostream> #include<string> …  |
| | I'm working on a really basic text editor to save and open txt files. On my text area setLineWrap, it's giving me a "misplaced constructs" and "delete token" for the period and (true) For why? [CODE]/**Matthew Schrum *11/18/2010 */ import java.awt.*; import javax.swing.*; import javax.swing.border.*; import java.awt.event.*; import java.io.File; import … |
| | I have created a JFrame contaning a JTabbedPane. What I am trying to accomplish is the changing of tabs within my 'addCustomer()' class via an ActionListener. What I was trying was to call the method 'setTab(int c)' located in my 'BoatLog()' class, from my 'addCustomer()' class to set the index … |
| | Hi there, This is just going to be a quick question. Also just note that I am i some "remote location" so I cant even show you my code. But what I want to know is this: Say you have a package called "myPackage" and inside that you have 2 … |
| | Hi guys, Can anyone refer me to some very basic and simplified MVC tutorial? Yes, I googled, and read a lot, also did try frameworks, but my goal here is to be able to write and understand the MVC code myself. I'm also new to OOP, so even with tuts … |
 | Hello ,I want to implement a client server program,but I wish to use more OOP into the design(inheritance,virtual....),I only come up with this design and I nedd some pointers what can I do better,any sugestions will be welcome,Thanx [code] class TCPSocket { public: virtual void send(std::string buffer_m) throw(Error); virtual void … |
| | Hello. I have a problem with one part of my homework. I'm not exactly sure how to say this in English. I want the constructor to build an object and assign string values to attribute1 and attribute2. I'm only posting the relevant part of my code. My class can be …  |
| | this is the summary of program and i only include the addition of matrices my problem would be the variables in Addition class cannot read variables from the other class i need to know how to fix that the error would be : The name 'a' does not exist in …  |
| | Hey guys! This is my very first post on this website. Anyways, I just started learning Python, and am reading an ebook, called "A Byte Of Python". So at the end, it says to create an address book application. In my application, it basically just creates a text file with … |
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