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• How do I determine all of my IP addresses when I have multiple NICs?

  - by Wilson Fowlie

  I have multiple Network Interface Cards on my computer, each with its own IP address. When I use gethostbyname(gethostname()) from Python's (built-in) socket module, it will only return one of them. How do I get the others?

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• Would it be possible to integrate Python or Perl with Ruby?

  - by Yktula

  Would it be possible to integrate Python (and/or Perl) and Ruby? I've looked at http://www.goto.info.waseda.ac.jp/~fukusima/ruby/python/doc/ and http://code.google.com/p/ruby-perl/ , but they both seem rather outdated. Has someone generated a Ruby interface for Python's C API?

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• how to add one UIView object on other UIView object programitically?

  - by suse

  Hello, Consider this as my SubView UIView *subViewObj; and this as MainView UIView *mainViewObj; i need to make MainView as root View can i don it in this way? [mainViewObj addSubview:subViewObj]; is this correct?i need to do it programitically, without using Interface builder.

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• java - find out the type of class which implements of other classes

  - by Johnzzz

  i have a kind of specific problem, let's say, that i have public interface A { } //------------------------------ public class B implements A{ static int countx = 0; } //---------------------------------- public class C implements A{ static int county = 0; } //---------------------------------- public class Arc { public A from; public A to; //======================================== and now I have an object a (which is an instance of Arc) and I want to find out whether it is an instance of B or C and get to the atributes countX or countY (stg like a.from.countX) any ideas? :)

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• Doubleton Pattern Implementation

  - by Pierreten

  I'm leveraging the Doubleton Pattern from this link http://www.codeproject.com/KB/architecture/designpattern_doubleton.aspx in my own code. I think it makes things a lot easier since the Singleton only provides one instance, but I get two with this pattern. I was wondering if it would make sense to have it implement an interface so I can inject it into my domain layer.

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• Is it possible to respond to request from another method that the one defined in [OperationContract]

  - by qbaa

  Hi, as in the title, i have: [ServiceContract] public interface IService { [OperationContract] [WebGet(UriTemplate="abc")] Stream GetResponse(Stream in); } public class Service : IService { public Stream GetResponse(Stream in) { some_function() } } is it possible to pass a request context to some other function that will respond to the request?

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• Is it bad practice to 'mix class and interfaces in the same package'?

  - by DerMike

  Hello, I just found something that I never heard of before and I do not agree with (by now). In an (upvoted and not further commented) answer I read "why to mix class and interfaces in the same package" So I wonder, if there are reasons to separate Interfaces and implementations in Java. I know that we are not obliged to have all implementations in the package of the interface, but is it (sometimes) wise to have none there? Regards Mike [;-)

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• Which js lib/framework runs faster on AppEngine?

  - by Jorge

  I'm developing a Google Maps mashup using the Python SDK, and i need to use an AJAX interface. Which lib runs faster on this combination?

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• Multiple Inheritance Debates II: according to Stroutroup

  - by asksuperuser

  I know very well about the traditional arguments about why Interface Inheritance is prefered to multiple inheritance, there has been already a post here : http://stackoverflow.com/questions/191691/should-c-include-multiple-inheritance But according to Stroutroup the real reason why Microsoft and Sun decided to get rid off multiple inheritance is that they have vested interest to do so: instead of putting features in the languages, they put in frameworks so that people then become tied to their platform instead of people having the same capability at a language standard level. What do you think ?

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• Java Interfaces Methodology

  - by Amir Rachum

  Hi all, I've been programming in Java for a few courses in the University and I have the following question: Is it methodologically accepted that every class should implement an interface? Is it considered bad practice not to do so? Can you describe a situation where it's not a good idea to use interfaces? Thanks.

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• Open Source - EER Modeling Tool

  - by Nick Fergis

  Is there a good open source or reasonably priced EER modeling tool for MySQL besides MySQL Workbench? I find the MySQL Workbench interface to be clunky. I would like to be able to manage my production schema beginning all design changes in the EER and propogating those out to my schema for created and altered tables. Is anyone use a tool they love to manage their environments in this way? Thanks. - Nick

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• Timer code for online quiz on mobiles

  - by prathyusha

  hello everyone, We are doing project on online quiz tool for mobile devices using J2ME. We got the code for midlet interface, webserver and connections. But we need to implement timer in it. So anyone can give suggestions for that code and where can be it beneficial to implement it?

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• Passing a pointer to a function in objective-c

  - by Chiodo

  Hi, i've a stupid questiona about passing pointer. I've this: @interface MyClass : NSObject myobj* foo; -(void)doSomething:(myobj*)aObj; @end @implementation MyClass -(void)doSomething:(myobj*)aObj { cFuncCall(&aObj); //alloc memory and init the object } -(id)init { //init stuff... [self doSomething:foo]; // foo retun 0x0!!! } @end why foo return nil??? It should be initialized by cFuncCall!

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• @property objective-c syntax

  - by okami

  I'm looking for the syntax of the getter/setter. Which is the setter and which is the getter?? Is the readwrite attribute the getter? Is the assign the setter? @interface SomeClass : NSObject { NSString *str; NSDate *date; } @property (readwrite, assign) NSString *str; @property (readwrite, assign) NSDate *date;

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• FOSS version of SQLCompare or something similar?

  - by Scott

  Actually, free is good enough, it doesn't have to be open source :) I'm currently using the Schema Compare utility of VS2008, but it doesn't have a command line interface and has some other weaknesses as well. I'm wondering what free tools others are using to provide command line schema comparisons/synchronizations? Thanks.

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• VB2008 Resolution-based resizing

  - by Logan

  Hi, Usually I am a web developer so this is probably a very novice question. I recently made an app in VB2008, but I developed it in a huge reso (1920x1200). The person that will be using it still uses 800x600 reso. Is there any simple way I can resize the entire interface to fit any resolution? I didn't really think about it at all while I was making the program.

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• In django, how can I include some default records in my models.py?

  - by kdt

  If I have a models.py like class WidgetType(models.Model): name = models.CharField(max_length=200) class Widget(models.Model): typeid = models.ForeignKey(WidgetType) data = models.CharField(max_length=200) How can I build in a set of built in constant values for WidgetType when I know I'm only going to have a certain few types of widget? Clearly I could fire up my admin interface and add them by hand, but I'd like to simplify configuration by having it built into the python.

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• what are the devises will be listed

  - by barbgal

  Hi.. please let me know what are the devices wil be listed using the below code guid = GUID_DEVINTERFACE_VOLUME; // Get device Information handle for Volume interface hDevInfo = SetupDiGetClassDevs( &guid, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT ); Thank you

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• Is it possible to instantiate a Java Annotation given a Class<? extends Annotation>?

  - by Steve

  I have a Class<? extends Annotation> and tried calling newInstance() but Java yelled at me for the obvious reason that I can't instantiate an interface. But I know frameworks like EasyMock are perfectly capable of instantiating interfaces. What would it take to get a completely dumb Annotation instance out of my Class?

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• Problem creating a webpage in OOP pattern?

  - by Starx

  I want to develop a website in OOP pattern, but I am stuck in a point whether I need to inherit from multiple classes. For example I have a main class "index" this class has several methods which need to inherited from other classes and I have created seperate classes for it like class "banner", class "content", class "footer" Not only this but class "content" has several methods to be inherited from other classes like class "gallery", class "news", etc I found out that multiple inheritance is not allowed, and using interface I cannot write codes in its methods, so how can i achieve a solution for this problem.

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• How to customize tab bar ui ?

  - by Aryabhatt

  Hi all , I want to customize my tab bar user interface some thing like this . custmized tab bar So can anyone tell me how to prepare these types of ui layout or rendering ? Thanks ,

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• Interop type cannot be embedded

  - by Jan

  I am creating an web application on the .net 4.0 framework (beta2 ) in C#. When I try to use a assembly called "ActiveHomeScriptLib", I get the following error: Interop type 'ActiveHomeScriptLib.ActiveHomeClass' cannot be embedded. Use the applicable interface instead. When I change the framework to version 3.5, I don't have any errors. What is an Interop Type and why does this only occur when I use the 4.0 framework.

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• Which messaging interfaces can BlackBerry apps modify?

  - by humble coffee

  Does the native Blackberry API allow for the modification of any messaging interface? For example, I'd like to be able to build an app that added a button at the bottom of a received message which says 'translate this'. I've heard that this kind of thing is possible using J2ME plus the native BlackBerry API. Can this be done for all kinds of messages, eg SMS, email and BB messaging? The translation aspect is not relevant, it just provides the context for the kind of feature I'm after.

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• How Array of our custom classes work with foreach without implemented IEnumerable ?

  - by Freshblood

  Hello everybody This long title already contain all my question so i just want to give example MyClass[] array How this array work with Foreach without implement IEnumerable interface's method ?

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• Convert Java.Util.HashMap to System.Collections.IDictionary

  - by Paul

  In Xamarin I've got a .jar I've imported using a Java Binding Library. One of the callbacks has a Java.Lang.Object parameter which gives me Java.Util.HashMap and Java.Util.ArrayList at runtime. I'm abstracting this SDK behind a cross-platform interface, so I need to convert this to a .NET type. It there anything like the ArrayAdapter except in reverse that can convert the Java types to their .NET equivalents?

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