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• Assigning IDs to instances of a class (Pythonic)

  - by mellort

  I want to have each instance of some class have a unique integer identifier based on the order that I create them, starting with (say) 0. In Java, I could do this with a static class variable. I know I can emulate the same sort of behavior with Python, but what would be the most 'Pythonic' way to do this? Thanks

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• Rails: url_for to be available in a isolated class that must be instanced

  - by Totty

  Rails: url_for to be available in a isolated class that must be instanced: class ProfilePresenter < ActionController::Base attr_reader :profile def initialize(profile) super @a = url_for(:controller => 'profiles', :action => 'view', :profile_url => 'dd') @a @profile = profile end end How to make the url_for work? i tried to extend the ActionController::Base and the ActionView::Base and i cant :s

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• Hero Class, php classes

  - by John

  I am going to have different classes for a character that a user play. Like "Mage, Warrior" etc. I am thinking of a method like have some CharacterBase class (abstract?) and then I have a child class which is like WarriorClass or something like that. I think the approach is called Factory pattern or something like that. Anyone got a clue of what I'm trying to achieve here, and are there perhaps any better way to do this?

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• Class files are not added in war file.

  - by Lakshman

  When i export WebProject (Struts Portlet) as war from RAD 7.5 it creates war, but that war file does not have my Class files. ie. Action Classes, Actionforms, validations, etc. none of the .java files class added in war. what is the issue. urgent

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• VC++ addon that renames the file along with the class

  - by Stefan Monov

  I'm using VisualAssistX for some refactoring tasks in VC++2008. When I autorename a class, I want the filename to also be updated automatically. Any addon that does that? (Yes, I do only put one class per cpp/h pair)

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• One class per file rule in .NET?

  - by Joan Venge

  I follow this rule but some of my colleagues disagree with it and argue that if a class is smaller it can be left in the same file with other class(es). Another argument I hear all the time is "Even Microsoft don't do this, so why should we?" What's the general consensus on this? Are there cases where this should be avoided?

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• cleaning a project and regeneratig class files in eclipse

  - by Noona

  After I clean a project in eclipse I don't see the class files generated in the output folder "bin" although there's no build error, what can I do to make it regenerate the class files? thanks

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• Getting ID of all elements of a certain class into an array

  - by Tommy Coffee

  Here's what I' trying to do: Currently I am using this to create an array of all elements matching the class name of '.cookie'. Right now I am getting the text value of that element, which is not what I need: var getAllCookies = $('.cookie').text(); var cookiesArray = jQuery.makeArray(getAllCookies); alert(cookiesArray[0]); What I need is to find all elements of a certain class (.cookie), get that elements ID value and store that ID value inside of array.

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• C++ interview question involving class pointers

  - by benjamin button

  Lets say there is a base class pointer which is pointing to a base class object: baseclass *bptr; bptr= new baseclass; now if i do bptr= new derived; what is the problem here?

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• Problem dumping one class type with Django dumpdata

  - by PhilGo20

  I use dumpdata to output all my apps's classes. One of my app has one class that never get's outputted and I don't know where to start looking to know what's wrong. The class is used regularly, every other classes in the app are dumped fine and dumpdata doesn't throw any error. Any cue ?

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• Session state server saying extended class no serializable

  - by jenson-button-event

  I am storing an object in session state (using local session state server), class def is: [Serializable] public class ExtendedOAuth2Parameters : OAuth2Parameters but the service is still reporting: Unable to serialize the session state. In 'StateServer' and 'SQLServer' mode, ASP.NET will serialize the session state objects, and as a result non-serializable objects or MarshalByRef objects are not permitted. [SerializationException: Type 'Google.GData.Client.OAuth2Parameters' in Assembly 'Google.GData.Client, Version=2.1.0.0, Culture=neutral, PublicKeyToken=04a59ca9b0273830' is not marked as serializable.] How to get around it?

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• Determine assembly that contains a class from the classname (not an instance of a type)

  - by frediannon

  I am trying to determine which assembly contains a particular class. I do NOT want to create an instance of a type in that assembly, but want something like this namespace SomeAssembly { class SomeClass { } } ..and In client code I want: Assembly containingAssembly = GetContainingAssembly(SomeClass)

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• Java class in DB

  - by Debuger

  Hi! Can anyone explain why was idea to store Java class in Db? What it is good for? And how to create stored procedure with Java class? Best regards!

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• Re-order methods in a class file to match the associated interface file

  - by ElectricDialect

  Is it possible in Visual Studio 2008, either with or without Resharper, to re-order methods in a class file to match the order of methods in an associated interface file? What about the opposite (re-ordering the interface to match the implementing class)?

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• What are the suggested alternatives for Class<T>.isAssignableFrom(Class<?> cls)?

  - by Wing C. Chen

  Currently I am doing the profiling to a piece of code. During the profiling, I discovered that this very method call, Class<T>.isAssignableFrom(Class<?> cls) takes up to quite amount of the entire time. Because this is a method from reflection, it takes a lot of time compared to normal keywords or method calls. I am wondering if there are some good alternatives for this method calls?

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• Class with xaml list syntax?

  - by Petoj

  What interface or class must i inherit to get support so i can add items to the class from XAML? Like an array or list...

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• Get the maximum value out of an complex class

  - by iTayb

  I have the following class: class Seller { private string sellerName; private decimal price; } ~propreties for SellerName and Price goes here~ I also have a list of sellers: list<Seller> s = new list<Seller>(); How can I get the maximum value of price out of all the sellers? Thank you very much.

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• Fluent NHibernate - Map 2 tables to one class

  - by Morten Schmidt

  Hi I have a table structure something like this table Employees EmployeeID EmployeeLogin EmployeeCustID table Customers CustomerID CustomerName What i would like is to map the structure above to one single class named: Class Employee EmployeeID EmployeeLogin EmployeeName How do i do that with fluent nhibernate ?

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• How do I create a new instance of a different class when saving a model

  - by Will

  I have a Class A that when it is instantiated and saved for the first time or modified it will create an instance of Class B and save it also I want them to be in the same transaction and I want it to be handled in the Model not a controller. I know how to do this in a conteoller with the ‘transaction do’ block but how do I do it in the model? Thanks

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• initialize a const array in a class initializer in C++

  - by Nathan Fellman

  I have the following class in C++: class a { const int b[2]; // other stuff follows // and here's the constructor a(void); } The question is, how do I initialize b in the initialization list, given that I can't initialize it inside the body of the function of the constructor, because b is const? This doesn't work: a::a(void) : b([2,3]) { // other initialization stuff } Edit: The case in point is when I can have different values for b for different instances, but the values are known to be constant for the lifetime of the instance.

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• variable scope when adding a value to a vector in class constructor

  - by TheFuzz

  I have a level class and a Enemy_control class that is based off an vector that takes in Enemys as values. in my level constructor I have: Enemy tmp( 1200 ); enemys.Add_enemy( tmp ); // this adds tmp to the vector in Enemy_control enemys being a variable of type Enemy_control. My program crashes after these statements complaining about some destructor problem in level and enemy_control and enemy. Any ideas?

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• Is it a good idea to define a class within a class in Python?

  - by rmh

  I've sometimes seen code like this: class Something(object): class Else(object): def __init__(self): pass def __init__(self): # Do something with self.Else... pass Is it a good idea to define classes inside related classes? Is this an acceptable way to group related code?

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• How do I represent integer array as attribute of a class in Visual Studio 2010's UML class diagrams?

  - by AndrejaKo

  How do I represent integer array as attribute of a class in Visual Studio 2010's UML class diagrams? I know hot to add normal integers, but I'm hoping that there is a way to do it other than adding [] to integer's name. I'm new to UML, so I could be missing something obvious here. Should I use Is ordered and Is unique?

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• Can a Java class implement a C++ interface

  - by Tom Brito

  Is it possible to a Java class to implement a C++ interface (interface meaning a full abstract class)? Where can I read more about?

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• getting data from grid and storing the data in function of another class

  - by KATy

  i ve been tryin to find an soln to a question that i m unable to get for few days... the prob s that the data has to be taken from datagrid and should be passed to another class and in that class i have to store in database.. plz guyz help me out thanx in advance..

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