Object-oriented programming is a programming paradigm using "objects": data structures consisting of data fields and methods together with their interactions.
0
votes
1answer
30 views
overidding Pythons __eq__ method , isistance & eq mothods return false
I'm new to Python from the Java world.
I have written a Python class called "Instance" with 3 properties(attribute, value, and class). I want to override the "eq" method & also the "hash" method, ...
0
votes
0answers
13 views
Issue with lazy loading and inheritance in NHibernate
I have the following scenario in a C# application using NHibernate:
public abstract class A
{
public virtual int SomeProperty { get; protected set; }
public abstract void ...
2
votes
2answers
38 views
OOP jQuery Plugin elem undefined in one place and not in others
How is my element undefined if I clearly define it here. It works in all the other methods but with exception of setUpCalendar(). I've included the "path" the code goes through before reaching the ...
2
votes
5answers
83 views
When to use static method and field?
I know what static is, but just not sure when to use it.
static variable:
I only used it for constant fields. Sometimes there are tens of constants in a class, so using static constants can save lots ...
4
votes
3answers
96 views
Dynamic method dispatching in C
I know it sounds silly and i know that C is not an Object Oriented Language.
But is there any way that dynamic method dispatching can be achieved in c?
Ii thought about function pointers but don't ...
0
votes
1answer
20 views
Standard for setting properties of existing object with PDO
I have a class in the model part that picks a data mapper, in my case I am concerned about an sql database and setting properties of an existing object.
So currently I am doing this to make my ...
0
votes
3answers
90 views
Is there any difference between object creation and initialization? [on hold]
For example I have class Abc and I have created a default constructor for it.
What is difference between these two syntaxes?
Abc obj = new Abc();
and
new Abc();
2
votes
1answer
25 views
How can I get all the public property values of a 'last descendant' object in php?
The code below makes this easier to explain :
<?php
class a
{
public $dog = 'woof';
public $cat = 'miaow';
private $zebra = '??';
}
class b extends a
{
...
4
votes
2answers
63 views
Covariance and Contravariance with C# Arrays [duplicate]
While reading a section of an article about covariance and contravariance at Wikipedia, I ran into the following, bolded sentence:
First consider the array type constructor: from the type Animal ...
1
vote
1answer
42 views
Looking for better design approach -Using c# OOPS,Design patterns
I am looking for the design approach for the below problem.
I have a robot , it's duty to clean and return to the intial position(top left) and print the path used to clean the room.
It will have a ...
3
votes
5answers
64 views
Passing data between classes / asynchronous requests / iOS
I am converting my application from Syncronous to Asyncronous HTTP requests and have ran into a problem that looks like it will require quite a big reworking of how the application handles it's data. ...
3
votes
4answers
88 views
Designing C++ classes with partly common implementations
I am designing a C++ module. This module can receive 3 different types of requests: Request-A, Request-B and Request-C.
For each type, I have a corresponding handler class: RequestHandler-A, ...
3
votes
3answers
90 views
c# extend class by adding properties
Is it possible in c# to extend a class not by adding only functions but properties. Ex: i have a standard dll library I am relying on and the vendor does not want to modify it.
Already throughout ...
0
votes
5answers
86 views
PHP OOP & MySQL
I have written a procedural version of a script that will sync an iTunes Library with another drive, in my case a NAS. Chatting with some people at work and they suggested that it might be better, ...
0
votes
0answers
22 views
Circular Dependecy of Pojo in Hibernate project
I typical hibernate pojo class looks
public class User {
private String username;
.
.
.
private Address address;
}
public classs Address {
private String line1
.
...
