class

Which View Class should I use to ?

I has been visiting your Blog regularly, and learned a lot from it. Now I'm troubled in a project. I hope you can give me some suggestion. I want to make a interface of the news APP, which can shows the news title, content and pictures. The picture in the default condition will zoom out and appear with the news title and content in the...

C++. Class method pointers

There is a class class A { public: A() {}; private: void func1( int ) {}; void func2( int) {}; }; I want to add a function pointer which will be set in constructor and points to func1 or func2. So I can call this pointer (as class member) from every class procedure and set this pointer in constructor. How can I do it...

Class for representing a card in Java?

I'm making a blackjack program in Java, and I was starting to write the class declaration for an object Card. Will this be sufficient, or are there some methods I should have that I'm glossing over? public class Card { public int suit; //Value 1-4 to represent suit public int value; //Value 1-13 to represent value (i.e. 2, J) ...

Passing Class Variables to Class Method in Prototype via addEventListener

I have the following class file that I'm attempting to build. I'd like to pass multiple variables to the method by way of an eventListener but the code I have below doesn't work, probably due to scoping. NOt sure what I should change though. Any advice would be much appreciated. var MyClass= new Class.create(); MyClass.prototype = { ...

Error while trying feed a class parameter in php

Hi every one! i declared classes like this: class Foo{ public function __construct(){ echo 'Foo was created!';} } class Foo2 extends Foo{ public function __construct(){ parent::__construct(); echo 'Foo2 was created!';} } class Bar{ public function __construct(Foo $foo){ echo 'Bar was created!';} } in main code: $foo2 = new Foo...

difference between :: and -> in calling class's function in php

I have seen function called from php classes with :: or ->. eg: $classinstance::function or $classinstance->function whats the difference? ...

jquery next by class fade out

<div id="formheadtop"> <input class="checkbox" type="checkbox" /></div><div class="formbody"></div> <div id="formheadtop"> <input class="checkbox" type="checkbox" /></div><div class="formbody"></div> <div id="formheadtop"><input class="checkbox" type="checkbox" /></div><div class="formbody"></div> $(function() { $('input:checkbox').l...

PHP: how would I use this simple class?

I was looking around for more "correct" login/logout portions of code, and found this one: http://snipplr.com/view/1079/auth/ I got two questions though that stop me from using it. 1: How would I instantiate the class, and use it in my script?(I know PHP but am just befuddled for some reason) 2: there's the following lines: global $db;...

Objective-C difference between class and instance of that class

Could someone explain to me what is the difference between class and instance of the class. If I can use only one instance of the some class in the program, can I use the class like an instance and change all the (-) with (+) in the methods declaration. What is the difference between the class and instance methods. Thanks ...

python : tracking change in class to save it at the end.

class A(object): def __init__(self): self.db = create_db_object() def change_Db_a(self): self.db.change_something() self.db.save() def change_db_b(self): self.db.change_anotherthing() self.db.save() I am getting object from database, I changing it in multiple function and saving...

How do you translate IDL into C#?

For example, the DOM specification has various IDL definitions, one of which is the Interface Node. How would you go about translating thiseven a portion of thisinto actual C#? I mean, where would you even start? As far as I understand, C#'s interfaces behave much differently than what IDL is calling an interface here. Am I wrong? inter...

php class static variables ,concat

is have 2 class first <?php require_once( 'error/DisconnectedHandler.php' ); require_once( 'error/NoSuchRequestHandler.php' ); class NetworkManager { public static final $RESPONSE_JUMP = 1000; .... second <?php require_once( '../NetworkManager.php' ); class DisconnectedHandler implements Handler{ pu...

Why does the Android maps compass demo use a delegate for the SmoothCanvas class?

In the Android MapsDemo available in Eclipse for the Google API, they create an inner class SmoothCanvas in MapViewCompassDemo.java. Within this class the re-implement seemingly every method and reroute it to a delegate instance of Canvas. static final class SmoothCanvas extends Canvas { Canvas delegate; private final Paint mSm...

C# XML serialization of derived classes

Hi I am trying to serialize an array of objects which are derived from a class and I keep hitting the same error using c#. Any help is much appreciated. obviously this example has been scaled down for the purpose of this post in the real world Shape would contain a plethora of different shapes. Program.cs namespace XMLInheritTests { ...

Most interesting/useful Java classes?

I've been using Java for a year or so now, and I constantly find myself discovering new things in the language. Most of this cool stuff, interestingly enough, doesn't come from 3rd-party APIs or libraries, but rather from the classes that ship in the JDK. So I'm wondering, partly out of curiosity and partly for the education of others a...

Terminology - users of a class

I'm writing some documentation and I just can't find the right word. Let say my class is called Writer and some people will be using it. How should I name objects that use the class (or instances of) I'm documenting? Users of Writer class? - Program is not "a user". Consumers of Writer class? - Sounds like somebody will eat it. Callers...

What all is not permitted with const member functions?

class A{ private: int a; public: A() {a = 4;} const int& random1() const {return a; } //int& random2() const {return a; } const int* random3() const {return &a;} //int* random4() const {return &a;} }; int main(){ A objA; cout<<objA.random1()<<"\n"; cout<<*objA.random3()<<"\n"; } random2() an...

JQuery how to set class css data to a div but without setting class name or with other class name

I need to copy a class data to a div, but without setting class name or with other class name. for instance: $('#blabla').addClass('xxx'); And then remove the class name but leaving the style data. The thing is that I need to set the style information but I can't set the class name because It gets conflicted with some other code. ...

How to access window elements from another class in C#?

I have a WPF application, and I need to access a textbox from another class. In actionscript, I had a similar problem with accessing the stage, and it is solved by doing this: var stageRef:Object; //and then do stageRef=this; //in the constructor Then I can access anything on the stage, like this: className.stageRef.textField.text = ...

Mysql connection with python in a class

i'm trying to connect to a database building a class connection()saved in local folder in file utils.py .This is what i worked so far of it: class connection: def __init__(self): self.conn = MySQLdb.connect(host = "localhost",user = "xxx", passwd = "xxx", db = "xxx", ...