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  • should I ever put a major version number into a C#/Java namespace?

    - by Andrew Patterson
    I am designing a set of 'service' layer objects (data objects and interface definitions) for a WCF web service (that will be consumed by third party clients i.e. not in-house, so outside my direct control). I know that I am not going to get the interface definition exactly right - and am wanting to prepare for the time when I know that I will have to introduce a breaking set of new data objects. However, the reality of the world I am in is that I will also need to run my first version simultaneously for quite a while. The first version of my service will have URL of http://host/app/v1service.svc and when the times comes by new version will live at http://host/app/v2service.svc However, when it comes to the data objects and interfaces, I am toying with putting the 'major' version of the interface number into the actual namespace of the classes. namespace Company.Product.V1 { [DataContract(Namespace = "company-product-v1")] public class Widget { [DataMember] string widgetName; } public interface IFunction { Widget GetWidgetData(int code); } } When the time comes for a fundamental change to the service, I will introduce some classes like namespace Company.Product.V2 { [DataContract(Namespace = "company-product-v2")] public class Widget { [DataMember] int widgetCode; [DataMember] int widgetExpiry; } public interface IFunction { Widget GetWidgetData(int code); } } The advantages as I see it are that I will be able to have a single set of code serving both interface versions, sharing functionality where possible. This is because I will be able to reference both interface versions as a distinct set of C# objects. Similarly, clients may use both interface versions simultaneously, perhaps using V1.Widget in some legacy code whilst new bits move on to V2.Widget. Can anyone tell why this is a stupid idea? I have a nagging feeling that this is a bit smelly.. notes: I am obviously not proposing every single new version of the service would be in a new namespace. Presumably I will do as many non-breaking interface changes as possible, but I know that I will hit a point where all the data modelling will probably need a significant rewrite. I understand assembly versioning etc but I think this question is tangential to that type of versioning. But I could be wrong.

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  • Missing AVFoundation.framework

    - by Alex
    Hi, AVFoundation.framework is not where the documentation says it should be. I have iPhone SDK 2.2 installed (never had previous sdk versions installed) and I can't find that folder under /System/Library/Frameworks I did find it under /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS2.2.sdk/System/Library/Frameworks/ folder but if I add it from that location, then the compiler can't find the header files. I tried copying the entire AVFoundation.framework folder to /System/Library/Framework, but it still can't find the header files. How can I use AVFoundation classes? Thanks, Alex

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  • KissXml on iPhone

    - by zp26
    Hi, I have dowload a KissXml project. I must add all the files to my project (excluding DDXMLTesting). Sorry for the stupid question but i must insert all class in the classes folder (http://ixhan.com/2010/03/tutorial-of-kissxml-iphone/) or i can do another operation. Sorry but i'm a beginner programmer for iPhone.

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  • Did anyone give these smart pointers (auto_any, scoped_any, shared_any) a test drive?

    - by Johann Gerell
    I'm investigating smart pointers with "shared" functionality for Windows CE and Mobile, where the VS 2008 tr1 std::shared_ptr cannot be used (due to linkage to a v.9 dll not present on CE, obviously, if I understand it correctly). There's a semi-old MSDN Magazine article with sources from a Microsoftie (Eric Niebler): Achieve More Reliable Resource Management with Our Custom C++ Classes. The reasoning, design and implementation of his shared_any looks solid, but I'm wondering if anyone ever actually tested the lot on any platform (not necessarily WinCe/WM)?

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  • WPF XAML Namespace import

    - by Andrey Khataev
    I've found that in order to use PRISM's classes in XAML you need to import namespace in that way: xmlns:cal="http://www.codeplex.com/CompositeWPF" this way is new to me, so I wanted to know, how hyperlink could be alias of usual notation of namespace import? so the intellisence knows in which assembly it should search this component? Thanks!

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  • Gradle directory stucture

    - by liam.j.bennett
    I am working on a java Ant+Ivy based project that has the following directory structure: projectRoot/src projectRoot/classes projectRoot/conf projectRoot/webservices this works perfectly well in Ant but I am looking to migrate to Gradle. Is there a way to define a non-maven directory structure in gradle or should I be looking to mavenize?

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  • Generics and Constrained Polymorphism versus Subtyping

    - by Rahul G
    Hullo all. In this (Warning: PDF) presentation on Haskell Type Classes, on slide #54, there's this question: Open Question: In a language with generics and constrained polymorphism, do you need subtyping too? My questions are: How do generics and constrained polymorphism make subtyping unnecessary? If generics and constrained polymorphism make subtyping unnecessary, why does Scala have subtyping?

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  • jQuery SlideDown Flickering in Firefox

    - by Sithlord
    Hi, once more a jQuery, Firefox flickering issue. (no flickering in IE6/7/8, Safari) I uploaded an example page here: http://sithlord.bplaced.net/testing/jquery_flickering/flickering.html There are two div containers. The inner div is the one I'm hiding. The outer one is the wraping container with the style elements. I found the flicker only occur with the selectbox. Without the SelectBox there is no flickering. But thats not all: (I cant post a second hyperlink: its the same link as above; only change "flickering.html" to not_flickering.html) In this case I selected a lower "option" - as you can see, the flicker disappears in this case. The same is happending, when there are less options in total. (less then about 20) The only workaround I found is deleting the selectbox :) Any ideas, why this is happening and how to fix it? Thanks!

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  • Does Java Spring 3.0 MVC support annotation/attribute based client side validation like Asp.net MVC

    - by Athens
    In Asp.Net MVC 2.0, at least in the beta, you could decoration your model classes with data annotation attributes and enable client side validation that leverages that criteria defined in your model data annotation attibutes. Is there anything similar for Java Spring MVC 3.0? Is it possible to inject a component into the response pipeline that can inspect the model's annotated properties and render client side validation logic to complement the server side validation logic that is invoked prior to the controller handling the request?

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  • java.lang.ClassNotFoundException using google commons

    - by pie154
    I have two classes inside a package. Both call a method from another class, one works perfectly fine and the other gives the error java.lang.ClassNotFoundException and the error java.lang.NoClassDefFoundError: com/google/common/base/Predicate The class path should be the same for both as they are in he same package so I can't figure out why one has access to the class and the other doesn't? thanks in advance for any help given.

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  • C# Nested Repeater Accessing elements

    - by Rich
    I have a list of Accommodation objects bound to a Repeater, and then a nested Repeater which has the various attendee groups listed [e.g. Default, Seniors, Juniors]. This is all output fine, with the values displayed as LinkButtons, which when clicked gets sent to a code-behind event handler. Here is an example of the output to give you a picture [with some er... interesting attendee group names]: In the event handler, I test the object parameter to see which Repeater has been sent, as the outer repeater's links can also be clicked [so the Accommodation would be set, but no Attendee Group]. Is there a way to get a HiddenField from the outer RepeaterItem that contains the currently clicked inner repeater's LinkButton? E.g. From the image, I click the Attending link in the Women section. So the EventArgs via FindControl can get me the hidden field which contains the Attendee Group's ID, which is good, but I also need the Accommodation ID [to know whether it was either Wimbledon Hotel Inn or New Acc]

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  • C#: cannot find assembly file

    - by Craig Johnston
    I am getting an error back from a DLL saying it cannot create an instance of one of classes in my solution because it cannot find the assembly file. If I am debugging a solution, do I need to put a copy of certain assembly files in other locations?

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  • Hibernate proxy serialization and receive on client side.

    - by Bubba88
    I lack understanding of how does the generated proxy class object (CGLib enhanced POJO) is transferred to the remote client and still pertains its ability to generate Lazy Init. Exceptions. Does that mean that there is some kind of contract that all the transferred objects of some kind of class (a proxy) will be reinstantiated as proxies again? Where does the client obtain those generated classes? Sorry, but I totally do not understand.

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  • Having trouble using 'AND' in CONTAINSTABLE SQL SERVER FULL TEXT SEARCH

    - by Joshua
    I've been using FULL-TEXT for awhile but I cannot seem to get the most relevant results sometimes. If I have an field with something like "An Overview of Pain Medicine 5/12/2006" and a user types "An Overview 5/12/2006" So we create a search like: '"An" AND "Overview" AND "5/12/2006"' - 0 results (bad) '"Overview" AND "5/12/2006"' - 1 result (good) The CONTAINSTABLE portion of my query: FROM ce_Activity A INNER JOIN CONTAINSTABLE(View_Activities,(Searchable), @Search) AS KeyTbl ON A.ActivityID = KeyTbl.[KEY] "Searchable" is a field contains the activity title, and start date(converted to string) in one field so it's all search friendly. Why would this happen?

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  • Hibernate Criteria API equivalent to HQL select clause?

    - by Visus Zhao
    I'd like to have a combined query for two persistent classes. In HQL this could be achieved by the select clause, select new Family(mother, mate, offspr) from DomesticCat as mother join mother.mate as mate left join mother.kittens as offspr In the above example, Family is a conbined class with DemesticCat as its construtor params What is the Criteria equivalent of the HQL select clause ?

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  • VS2010 error: Cannot find custom tool 'GlobalResourceProxyGenerator' on this system.

    - by artvolk
    Good day! My strongly typed resource classes acessible via Resources.<Name of resx file> in ASP.NET MVC2 project from /App_GlobalResources are not updated anymore. I've tried to right click on them and choose "Run custom tool" and got error: Cannot find custom tool 'GlobalResourceProxyGenerator' on this system. I use VS2010 Express, project is ASP.NET MVC2 (and uses T4MVC). Thanks in advance!

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  • How to fix slow scrolling when using webkit-transform and relative positioning on the iphone

    - by BeWarned
    I have implemented scrolling of a div by using relative positioning and webkit animation for the iphone, it works beautifully on desktop safari but is choppy on the actual iphone (fine on the simulator). The scrolling works by having a div nested and clipped (overflow:hidden) by its parent. I then set the top position and animate it with -webkit style declarations. The iphone seems to noticeably slow down when there are a lot of items in the inner div. Any ideas how make the scrolling smoother? This was a problem with iScroll code and my own hand coded stuff.

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  • Java object to XML Elements?

    - by DaveKub
    I'm working on a webservices client app and I have it mostly working. I can retrieve and read data from the third-party webservice fine. Now I need to submit some data and I'm stuck. The classes for the objects I'm retrieving/submitting were generated from XSD files via the xjc tool. The part I'm stuck on is turning one of those objects into an XML tree to submit to the webservice. When I retrieve/send a request from/to the ws, it contains a 'payload' object. This is defined in java code as (partial listing): @XmlAccessorType(XmlAccessType.FIELD) @XmlType(name = "PayloadType", propOrder = { "compressed", "document", "any", "format" }) public class PayloadType { @XmlElement(name = "Compressed") protected String compressed; @XmlElement(name = "Document") protected List<String> document; @XmlAnyElement protected List<Element> any; protected String format; public List<Element> getAny() { if (any == null) { any = new ArrayList<Element>(); } return this.any; } } The only field I'm concerned with is the 'any' field which contains an XML tree. When I retrieve data from the ws, I read that field with something like this: ('root' is of org.w3c.dom.Element type and is the result of calling 'getAny().get(0)' on the payload object) NodeList nl = root.getElementsByTagName("ns1:Process"); // "ns1:Process" is an XML node to do something with if (nl != null && nl.getLength() > 0) { for (int i = 0; i < nl.getLength(); i++) { Element proc = (Element) nl.item(i); try { // do something with the 'proc' Element here... } catch (Exception ex) { // handle problems here... } } } Submitting data is where I'm stuck. How do I take a java object created from one of the classes generated from XSD and turn it into an Element object that I can add to the 'any' List of the payload object?? For instance, if I have a DailyData class and I create and populate it with data: DailyData dData = new DailyData(); dData.setID = 34; dData.setValues = "3,5,76,23"; How do I add that 'dData' object to the 'any' List of the payload object? It has to be an Element. Do I do something with a JAXBContext marshaller? I've used that to dump the 'dData' object to the screen to check the XML structure. I'm sure the answer is staring me in the face but I just can't see it! Dave

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  • Load parent and child table in one query linq to entitiy

    - by parminder
    Hi Experts, I have a following tables/classes structure in Linq to entities. ` Books { bookId, Title } Tags { TagId Tag } BooksTags { BookId TagId } ' Now I need to write a query which gives me result like this Class Result { bookId, Title Tags } Tags should be comma separated text from the tags table by joining all three tables. How to get it done. Thanks Parminder

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  • Get Class List for Element with JQuery

    - by Buggabill
    Is there a way in JQuery to loop through or assign to an array all of the classes that are assigned to an element? ex. <div class="Lorem ipsum dolor_spec sit amet">Hello World!</div> I will be looking for a "special" class as in "dolor_spec" above. I know that I could use hasClass() but the actual class name may not necessarily be known at the time.

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  • How do I set default host for url helpers in rails?

    - by ja.kub.cz
    I would like to do something like this config.default_host = 'www.subdomain.example.com' in some of my configuration files, so that object_url helpers produce link beginning with http://www.subdomain.example.com I have tried to search the docs but I did not find anytnig exept ActionMailer docs and http://api.rubyonrails.org/classes/Rails/Configuration.html which is not usefull for me, because I do not know in which pat to look. Is there a place which describes the whole structure of Rails::Initializer.config? Thanks for helping Jakub

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