1,089 Topics
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 | I have these few lines in a class in my program but it doesnt appear. No errors are shown and when i "print(menubar)" and address "0.4.." or "4..." appears menubar = Menu(master = self.mainGUI) fileMenu = Menu(menubar) fileMenu.add_command(label="Exit", command= destroyMethod) menubar.add_cascade(label="File", menu=fileMenu) destroy method does work and is existing. |
| | Hello everyone! My name is Ainis, I am 15 years old. I want to announce that I am starting a new project called "Learning Programming In 2 Years". I got inspired by LethalFrag who just completed his 2 Year Livestream. Main goal of this is to show people how hard …  |
 | In the following program how does the line `r.size = 150, 100` actually set the values using this line -> `size = property(getSize, setSize)`? property has two arguments, getSize & setSize, it seems to me that would only allow it so get one value and set one value. #!/usr/bin/python3 class …  |
| | Hey Cplusplus community. I am a long time reader of these forum threads but this is my first actual post so please tell me if there is anything I should do differently in future. I am posting about a problem I am having with one of my OOP c++ assignments. …  |
| | anybody can help me do it?.. The objective of this assignment is to refresh and enhance the skills of the students in problem solving involving functions, arrays, classes and others using the C++ programming language. Students MUST use the inheritance and polymorphism concepts in the OOP. Students are required to … |
| | Creating WinAPI windows and controls can be a pain and quite difficult/annoying at times. Most of the time, I find myself searching MSDN, DaniWeb, and StackOverflow. I hate having to use external libraries unless I absolutely have no other choice. Below contains code for creating WinAPI windows, Controls, Sub-Classing, and …  |
| | # Introduction # The subject of this tutorial is a bit more advanced than the subjects I have tackled in the past, but I hope this will find some interested readers. From time to time in C++, programmers find themselves torn apart between using a *Generic Programming* style which primarily … |
| | Hi all! First of all I apologize if I am on a wrong forum but I am using this forum first time. I am new to this field and I have a big problem. I take a class for pseudocode and I have an assignment to create a program that …  |
 | hi,how would i make two panels coming from different directions like elevator closing two doors. have a look at this video Year 2 OOP and SE assignment 1: Elevator i want to make an exact application elevator simulator,can you please tell me or provide me with a code that it …  |
| | Car passing at bridge tollbooth should pay 500. Mostly they do but sometimes a car goes by without paying. Model this tollbooth with class called toolbooth, the two data items are of tye integer total number of cars,and a type of of double total amount collected. A constructor initialize both … |
 | Hello, I'm new to these forums and I was wondering if any of you guys know a programmming language that is more designed for Video Games than casual software. I want to make a basic 2D platformer or maybe a simeple RPG that has a moving sprite. I have tried …  |
 | package hw3.categories; import java.util.ArrayList; import hw3.DiceGroup; import hw3.api.IScoreCategory; /** * Scoring category for a yahtzee. A DiceGroup * with N dice satisfies this category only if all N * values are the same. For a dice group that satisfies * this category, the score is a fixed value specified in …  |
| | The title says it all but I am curious if it's acceptable or even efficient for that matter. If others were to read my code or work on a project with me is this generally accepted among others or yourself if you work on an enterprise level? Is this memory …  |
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 | Hello, I am working on an event driven library and am having one minor problem. Basically I have two ways to get what I want done. Method 1: Smart pointers and factory functions #include <iostream> #include <vector> #include <memory> using namespace std; class Object { public: virtual int getInt(){return 0;} … |
 | #ifndef BASE_H #define BASE_H class Base { public: int m_nValue; Base(int nValue=0) : m_nValue(nValue) { std::cout << "Base" << std::endl; } }; #endif #ifndef DERIVED_H #define DERIVED_H #include "Base.h" class Derived: public Base { public: double m_dValue; Derived(double dValue=0.0) : m_dValue(dValue) { std::cout << "derived se" << std::endl; } friend …  |
| | Hello, I am having a particularly nasty case of "What is the syntax?" while working on an event driven library. Basically this is what I want: class Object {// private: public: virtual bool onEvent(Event e)=0;//all objects have to react to events Object operator|(const Object &o) { // I want to … |
| | #include <string> #include <iostream> #include <vector> using namespace std; class Person { public: Person(); Person(string n, string a, string tel, string em); string getName(); string getAddress(); string getTel(); string getEmail(); virtual string whatAmI(); private: string name, address, telephone, email; }; Person::Person() { } Person::Person(string n, string a, string tel, string … |
 | using oop cconcepts write a c++ class to implment a transaction log that records all customers transaction in a store. each transaction contains the following items. 1.customerID 2.transactionID 3.cost 4.date 5.time use a dynamic array to record all transactions.the transaction log should offer the following member functions. 1.suitable constructors to … |
| | Hello, is this how a constructor is created and initialized. I am getting an error; VB does not like the "New" what I am trying to do is to create a constructor with one argument and initialize its attribute. Public Sub New(ByVal newProdNumber As Long) intProdNumber = newProdNumber End Sub … |
 | Hi, I do have doubt regarding const declaration in copy constructor. Can anyone let me know why do we need const reference in copy constructor, as we already know reference itself is const pointer.So why we should use const as a prefix in copy constructor. Regards, Mohan  |
| | I'm trying to create a list stack that implements some interface called SomeList The list stack should only use stack with no links. the itnerface has a number of methods that I would like to implement. So for SomeList I have something like public interface SomeList<T>{public void plus(T something);public E … |
| | Hi, Is there any way to not allow private construction in friend function, In case we do have private constructor with friend function in our class.Only Static method should be responsible for object creation and other than this compiler should flash error message. #include<iostream> #include<memory> using namespace std; class a … |
| | Write a Java program that will allow a user to calculate interest on a Bank loan. The program should i.Display Bank’s name and loan types available (at least 3). ii.Accept user’s choice of loan iii.Ask for user’s account number and verify. iv.Display Account name associated with account number to confirm … |
 | Hello, I am developing a site where I have once class file that deals with a few database tables. My question is: Is it better to have one big file (the class) and then require only this file or have a class for each table and then have more require …  |
| | I'm having trouble pinpointing the exact definition of a generic linkedstack class Suppose I have public class LinkedStack<T> { //some variables //would this be right LinkedStack(){ } //for a generic constructor of type T for the LinkedStack class of type T? } |
| | Hey guys, slightly less noob programmer here for a some more help, This week in class we were assigned to create a phonebook with a couple functions to manipulate it, but it seems I am having a couple problems. It seems to me that I have most of the program …  |
 | Really hate the way Moodle is written, was wondering if there was a quick way around this. $custommenu = $OUTPUT->custom_menu(); $hascustommenu = (empty($PAGE->layout_options['nocustommenu']) && !empty($custommenu)); <?php if ($hascustommenu) { ?> <div id="custommenu"><?php echo $custommenu; ?></div> <?php } ?> How can I add a seperator into the navigation e.g | Home …  |
| | Hey guys i am having trouble with creating a Parent class(gameobject) for two other child classes(player,location) both of the child classes can access data from the parent class, and work well independently but once i include the h file for the child classes together in main.cpp i get the compiler …  |
| | Hi Guys, I am trying to teach myself templates and I keep getting lost in all these compilation errors. Here is the latest // This is the interface for the base class template<class V, class I =int> class Array{ private: vector<V> myStore; public: Array(); Array(I size); Array(I size, V value); … |
| | Hi all, I wanted to load a listbox with items from the database.I just wrote the code using oop. But on the interface i'm not sure how to read and insert the items in the listbox. How can i access the items being read at the client side(interface). Public Sub … |
| | Hey guys, noob programmer here. Over the last week or so we've been learning about classes and inheritance in my latest progamming class. I've recieved a variation of the ever so popular poker program and am having some problems putting it all together. I haven't had the opportunity to test … |
 | I'm afraid to ask this on SO because all I can get is down-vote so I ask it here.* ## **Question:** ## Does C/C++ compiler (e.g the popular "gcc") with OO concepts allocates/creates all data member if other data member are not in use? /************************************* * code for example: * … |
| | Hi all, I am trying to lay out a plan for my classes, and havent godt the most experience in oop yet. I am using an abstract class, to be able to have a more clear overview and keep the project easier to manage. SO: I have created two abstract … |
| | Hi, i'm working on a system rate analysis.I just worte the code using oop. i worte a code that inserts a record into the database.when i try to insert a data nothing happens.Please fix my code. //this code is defined in a class Public Function AddWorkItem(ByVal workitemNumber As String, ByVal … |
| | So! I'm building a GUI for an application I'm currently developing and I'm having a bit of trouble figuring out an issue. I'll try to explain it as best as I can in the code lines. Basically, I built a class to handle the initial window for the program, but … |
 | Hi all, I'm still playing around with OOP and to be totally honest really enjoying it! I can't believe I haven't made the switch from procedural earlier... Something I would like to know is, how can I set default arguments for methods / functions? What i'm getting at is, if … |
 | I might be a bit tired, but why does the following not work? class Signal { public: Signal() { } protected: std::vector<double> data; }; class Something : public Signal { public: Something() { data.resize(100); } }; class Parser : public Signal { public: Parser() { std::cout << this->data.size(); } }; … |
| | Ques : Define the class Book with all the basic attributes such as title, author, publisher, price etc. Define the default constructor, member functions display_data() for displaying the Book details. Use appropriate access control specifiers in this program I have done some part #include<iostream.h> #inlude<conio.h> using namespace std; class book … |
| | is there an other website like **w3schools** but teaches other oop launguages  |
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 | i am given this topic array - object oriented programming for report. i just some of your advise do i need to discuss OOP? including like inheritance, encapsulation, polymorphism ..etc.. or should i discuss only concepts of arrays definition etc... any addition to my outline: definition of arrays types (single-multi) … |
| | Hi, I need some help, I am still newbie in this OOP,I already created the employee class in console app,but what i want is to use my employee class in windows forms,how can i use this employee class in windows forms application ?...I tried searching in google but i have … |
 | Hi there, Recently I've started using a client called Tribot which allows me to automate playing a game. The Client has been crashing (for example I was running 8 clients simultaniously last night) and one by one, they crashed over time and produced there error logs in the start-up directory … |
| | [B][I][U]Introduction [/U][/I][/B] [COLOR="Red"]Hey everybody welcome to a tutorials on classes in PYTHON. The purpose I made this tutorial for is that when I was learning classes in python I dint found any good tutorials on Classes. Maybe I was wrong. But here's my tutorial.[/COLOR] [B][I][U]Layout[/U][/I][/B] In this tutorial i'll be …  |
| | class name { char *s; int len; public: name(){ // Default constr. s=NULL; len =0; } //************************************************** ~name(){ // Destruct. if (s!=NULL){ delete [] s; s=NULL; } } //************************************************* name(const char * s1); // Constr. char* getName(); //fcn get name int getLen() ; // fcn get lenght void setName(const char …  |
| | Hi guys, im new to these forums and new to C++. I love games (mainly RPG's) so I figured I would learn C++ by making a little text based RPG. Anyways, I read through a few tutorials and an olc C++ for dummies book and this is what I cam … |
 | It says interpeted and OOP but it's also functional and dynamic |
| | Hi All, I have just finished reading fundamental topics in Java and now i have decided to do a New Project in Java which comprises all basic features of Java. I need help in Understanding/visualizing the architecture / Design model for my Project. Specification is : 1 . Develop a …  |
| | Hello to all, I'm have been porgramming console applicactions in C# to learn the language. Today I was curious in windows forms, and started a project. After searching in the web/youtube I see people putting all the code on the button code(when doubble click), BUT I saw there the same … |
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