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Search found 50247 results on 2010 pages for 'base class'.

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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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• 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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• 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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• Annotate anonymous inner class

  - by Scobal

  Is there a way to annotate an anonymous inner class in Java? In this example could you add a class level annotation to Class2? public void method1() { add(new Class2() { public void method3() {} }); }

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• Access main stage from class definition file (as3)

  - by staypuffinpc

  I'd like to access the stage of the main timeline from w/i a class that extends a movieclip. Basically, I have a button in the main timeline that makes a HUD appear. The HUD is an extended MovieClip class. When people click on a button in the HUD, I'd like to remove the object from the stage of the main MovieClip.

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• Creating instance in java class

  - by aladine

  Please advise me the difference between two ways of declaration of java constructor public class A{ private static A instance = new A(); public static A getInstance() { return instance; } public static void main(String[] args) { A a= A.getInstance(); } } AND public class B{ public B(){}; public static void main(String[] args) { B b= new B(); } } Thanks

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• Create a class at runtime with methods

  - by Robert

  I have a list of class names and methods that can only be read during runtime. Is it possible to create a class dynamically like that? I'm currently using C# 4.0.

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• Rewriting simple C# nested class

  - by Daniel

  What would be an elegant way to implement the functionality of this nested class in F#? private class Aliaser { private int _count; internal Aliaser() { } internal string GetNextAlias() { return "t" + (_count++).ToString(); } } This was my first attempt, but it feels like there should be a sexy one-liner for this: let aliases = (Seq.initInfinite (sprintf "t%d")).GetEnumerator() let getNextAlias() = aliases.MoveNext() |> ignore aliases.Current

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• Folder location for Project->Add Class in Visual Studio 2008 Express

  - by Filip Gibki

  Hello. I like the VS option of Add Class that creates .cpp and .h file for me with a class template in it. But currently i am storing my source files in other folder than project file. Is there a way to to tell VS that i want to create those .cpp and .h files in a specific folder?

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• equivalent of javascript class using JSON

  - by brz dot net

  See following class: function availItem(xs, s, m, l, xl) { this.xs = xs; this.s = s; this.m = m; this.l = l; this.xl = xl; } How can I declare the above class using JSON? I think It should be in following manner but problem is to pass argument. var availItem = { xs : xs, s : s, m : m, l : l, xl : xl }

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• Extending a Java Swing class in Clojure

  - by mikera

  I'm trying to extend a Java Swing component in Clojure, i.e. I want to extend a javax.swing.JComponent and add some custom methods implemented in pure Clojure in addition to all the standard inherited methods. I've tried using "proxy" which works great if I just want a single instance (in the same way as an anonymous inner class). However I'd really like a named class so that I can generate an arbitrary number of instances. What's the recommended way of doing this?

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• click event on table row, except td with class="someClass"

  - by loviji

  Hello, I want to do someoperations after click on row, except td with class='someClass' $('#mainTable tr td:not([class=someClass])').unbind().live('click',function () { //some operation }); what is wrong? note: this td is not last td in table.

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• C++ parent class alignment

  - by aaa

  hello. Is it possible to specify alignment of parent class? for example something like (which does not compiled): template<size_t n> class Vector : public boost::array<double,n> __attribute__ ((aligned(16))) { thanks

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• C# = HtmlEncode from Class Library

  - by Villager

  Hello, I have a class library (in C#). I need to encode my data using the HtmlEncode method. This is easy to do from a web application. My question is, how do I use this method from a class library that is being called from a console application? Thank you!

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• Scala unsatisfiable cyclic dependency in "table-layout" library (Toolkit class)

  - by Atol

  When I try to compile with sbt some code containing an instance of a Table from this library I get this error: java.lang.AssertionError: assertion failed: unsatisfiable cyclic dependency in 'class Toolkit' It seems to work with Java so I don't understand why it fails in Scala. Here is the toolkit class: http://code.google.com/p/table-layout/source/browse/branches/v1/tablelayout/src/com/esotericsoftware/tablelayout/Toolkit.java As long as I get this error I'm totally stopped in my project :(.

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• Declare a Dictionary inside a static class

  - by Ngu Soon Hui

  How to declare a static dictionary object inside a static class? I tried public static class ErrorCode { public const IDictionary<string , string > ErrorCodeDic =new Dictionary<string, string>() { {"1","User name or password problem"} }; } But the compiler complains that "A const field of a reference type other than string can only be initialized with null".

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• Auto-register class methods using decorator

  - by adamk

  I want to be able to create a python decorator that automatically "registers" class methods in a global repository (with some properties). Example code: class my_class(object): @register(prop1,prop2) def my_method( arg1,arg2 ): # method code here... @register(prop3,prop4) def my_other_method( arg1,arg2 ): # method code here... I want that when loading is done, somewhere there will be a dict containing: { "my_class.my_method" : ( prop1, prop2 ) "my_class.my_other_method" : ( prop3, prop4 ) } Is this possible?

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• Serialize the @property methods in a Python class.

  - by ashchristopher

  Is there a way to have any @property definitions passed through to a json serializer when serializing a Django model class? example: class FooBar(object.Model) name = models.CharField(...) @property def foo(self): return "My name is %s" %self.name Want to serialize to: [{ 'name' : 'Test User', 'foo' : 'My name is Test User', },]

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• C++ Class Construction and Member Initialization

  - by anachoret

  The first print shows the member value to be false, and the other two prints show it as true. Why does the first output differ from the last two? #include #include using namespace std; class MyClass { public: bool value; bool stuff; }; class Container { public: vector my_classes; Container() { MyClass c; cout

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• How to : Static variable in inherited class

  - by nXqd

  class B { public: static int a; } class C:B { } I want to use a variable through any inherited classes but it has problem when I declare a. B::B() { a=1; } Do I do it right ? Thanks for reading and waiting for your comments.

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• question on NSUserDefault Class

  - by user174761

  I have value in 1 string for particular key. but NSUserDefault class method doesn't work properly and it doesn't set object of a string forkey . in short setobject forkey method is not working of NSUserDefault class. why is it so?

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• Simple MultiThread Safe Log Class

  - by Robert

  What is the best approach to creating a simple multithread safe logging class? Is something like this sufficient? public class Logging { public Logging() { } public void WriteToLog(string message) { object locker = new object(); lock(locker) { StreamWriter SW; SW=File.AppendText("Data\\Log.txt"); SW.WriteLine(message); SW.Close(); } } }

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• why java Object class is not abstract ?

  - by JavaUser

  Hi, Why java's Object class is not an abstract class . Is there any specific reason ? Thx.

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• Nhiberate, multiple tables, same class

  - by jeff

  It's been asked a million times, its like this. Say Invoice is the base class and InvoiceHistory is the class that simply inherits from Invoice. When I do something like invoiceList = session.CreateCriteria(typeof(Invoice)).List(); I get everything from Invoice (that I want, plus everything from InvoiceHistory). Do I need to have an InvoiceBase and create derived versions for Invoice and InvoiceHistory?

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• How to implement NSTableView class using (MVC) archiciture?

  - by JohnWhite

  I want to implement MVC architicture in my project.So i have implement NSObject class for NStableview.But some delegate method is not called.How to implement this class?Please help me for this issue.

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