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  • Code and Slides: Getting Started Building Windows 8 HTML/JavaScript Metro Apps

    - by dwahlin
    This presentation is from a talk I gave at the spring 2012 DevConnections conference. It covers some of the key topics you need to know to get started building Windows 8 HTML/JavaScript Metro apps including navigation options, UI surfaces that can be used, controls, data binding and templates, and animations. View more of my presentations here. Sample code shown in the presentation can be found here. A large number of samples are available in the Windows 8 SDK which can be found here.

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  • The C++ web stack, is there one?

    - by NimChimpsky
    Java would be jsps and servlets (or a framework such as Spring) running on the JVM and tomcat (or glassfish etc). C# would be asp and C# running on dot.net framework and IIS ? (I have no experience with this please correct and improve my terminology) Is there an equivalent for C++ ? I could happily call some C++ from a java servlet/controller but was wondering if there are existing frameworks and libraries out there specifically for creating business logic in C++ with a web front end.

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  • Transition from web-app development to telecom Integration network (IN) layer development

    - by SIJAR
    How difficult it is for someone who has developed web-application using J2EE, Spring etc technology to develop an application for Telecommunication Integration network (IN) layer, the telecom product is to be developed using SS7 stack, JAIN API, J2EE technology. How vital is the knowledge of telecommunication sector? Does anyone anticipate growth in telecommunication sector, what future lies for web development?

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  • Lancement du forum d'entraide dédié à Grails, le framework Open Source de développement Web Java bas

    Bonjour, Ce nouveau forum d'entraide est destiné aux questions sur Grails, framework Open Source de développement rapide d'applications Web reposant sur le langage Groovy et Spring MVC. Avant de poser votre question, prenez le temps de consulter les ressources à votre disposition :La documentation officielle Les plugins Grails Le forum officiel en anglais La roadmap Voir également :

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  • JDeveloper 11.1.1.3 (patch set 2) is Out

    - by shay.shmeltzer
    The new version has some new features -ADF Mobile Client, Spring Extension, Maven update, Web services and more - as well as bug fixes. List of features: http://www.oracle.com/technology/products/jdev/collateral/papers/11/newfeatures/index.html Download here: http://www.oracle.com/technology/software/products/jdev/htdocs/soft11.html

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  • Débat Java : Quelles sont les limites du framework Web Apache Wicket ? Confrontez vos points de vue

    Bonjour Bien qu'appréciant beaucoup wicket, il n'en est pas moins que ce framework présente des limites. C'est d'ailleurs l'intitulé d'un post sur "Tom's Quest" : les limites de Wicket. Les points évoqués sont (le détail sur le blog):Le markup n'est pas toujours prévisualisable Wicket ne tient pas la charge Tester une application Wicket est difficile Les URLs générées sont moches Spring Security s'intègre mal à Wicket Wicket n'est pas un framework managé Wicket n'est pas outillé L'intégrable avec des frameworks JavaScript est difficile A noter que l'auteur ne fait pas que lister d'...

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  • This Week on the Green Data Center Management Front

    Among the big news this week for those looking to make their data center more environmentally friendly: Two IBM POWER7-based servers become the first four-processor systems in the industry to qualify for Energy Star status; NetApp announces plans to have execs, and other on hand to discuss green computing at SNW Spring 2010; and the feds are examining how cloud will save money and energy.

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  • Java enviroment book recommendations

    - by ipavlic
    I come from a C# background and would like to learn Java. Programming and Java as a language are not a problem. What is bewildering to me is the sheer amount of various choices in "Java environment" - Ivy, Maven, Ant, JAXB, Glassfish, JBoss, Struts, Spring are just some of the names that I keep seeing. I am looking for "who is who" and "who works together" beginner's guide. Is there such a book? Something similar?

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  • What are the various development tools beneficial for Java/J2EE developers?

    - by Saurabh
    I am a J2EE developer and have used some tools like Eclipse, ANT, SVN, etc. while developing various projects using Java, Spring, Struts, etc. Can you please tell me what are the other various tools which will help me while building the projects. Are there any tools helping in designing databases, building architecture, etc. It would be great if you can advice some tools which can help me in various software development activities.

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  • Windows Azure : plus simple, plus flexible, plus ouvert, Microsoft n'a plus peur de la concurrence d'Amazon et de Google App Engine

    Windows Azure : plus simple, plus flexible, plus ouvert Et moins cher, Microsoft n'a plus peur de la concurrence d'Amazon et des Google Apps Engine « Simplicité, ouverture, flexibilité ». Jérôme Trédan, directeur des Produits Serveurs et Plateformes de Cloud Computing chez Microsoft,, résume en trois mots la nouvelle version de Windows Azure, la plateforme Cloud de Microsoft, qui vient d'être rendu publique ce matin à minuit quinze, heure de Paris. Comme nous le soulignions hier, c'est la dimension IaaS qui suscite le plus d'enthousiasme en interne autour de cette « Spring Release ». Cette Infrastructure à la...

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  • The SQL Saturday Australia Tour

    Free days of training in Australia during the spring of 2012. Apr 12 in Brisbane, Apr 14 in Wellinton, Apr 19 in Canberra, Apr 21 in Sydney, Apr 24 in Adelaide, and Apr 28 in Perth. What are your servers really trying to tell you? Find out with new SQL Monitor 3.0, an easy-to-use tool built for no-nonsense database professionals.For effortless insights into SQL Server, download a free trial today.

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  • JSP Model 2 Architecture and Dependency Injection

    - by Robert
    If I'm writing a web application that uses the model 2 architecture, is it possible to use the Google Guice framework (or really any IoC container)? The reason I ask this question is because everything I've researched about DI, IoC, et cetera always uses Spring, Hibernate or some other framework/container in their examples. I'm just using Java classes, controllers, and JSP's to build this application and I can't find any good documentation about the subject.

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  • Where should I start and how to progress when learning Java EE

    - by danizmax
    I know basic stuff like, what are beans, jsp, servlet, jsf and how this stuff should work together. I know how to make basic jsp page with database query for example. Now I need to know what is the best path to learn all this stuff. My plan is to learn in this order: jsp (including persistance and JSTL) servlets + beans jsf The jump to frameworks (hibernate, struts, spring, etc) Also I'm not exactly sure about JSF, is it a must to make great pages or is it just a convenience to know?

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  • VMware et Salesforce annoncent VMForce, un Cloud d'entreprise pour les développeurs Java

    Salesforce.com et VMware nouent une alliance stratégique et lancent VMforce, le premier « cloud Java d'entreprise » VMforce ouvre les ressources du cloud à plus de 6 millions de développeurs Java d'entreprise ? dont 2 millions appartenant également à la communauté Spring Avec VMforce, les développeurs Java bénéficient immédiatement des services avancés de la plate-forme Force.com : base de données, gestion de workflows, outils d'analyse et de recherche, profils Chatter, fils d'information VMforce bénéficie également de la technologie vCloud pour radicalement simplifier l'administration et l'orchestration des applications dans les infrastructures VMware vSphere

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  • Why are some applications so hard to find in the Ubuntu Software Centre?

    - by satchitb
    Some applications don't pop up in the search even when you type in their name. Take for instance Sushi. When you type in "sushi" into the search box, it fails to throw up the application. Only when you type in "gnome-sushi" does it appear. This is despite the fact that the application has "sushi" by itself in the application description. There are other applications which don't spring to mind right now, but I've discovered before.

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  • ??????!?Java??????????

    - by rika.tokumichi
    Text by ?? ??(?????????? Fusion Middleware?????? - ???????????) IT??????????????????????????? ????????? ???????????? ???????????????????????????1??????????????????????????????????????????????? ???:?????????? Oracle Direct Seminar ?Java ?????????????????????????(2009?) ?????????????????·???????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????????????????????????? ??????????????Java???????????????????? ???????????Java??????? ??????????????????????Java???????????????? ¦Apache Struts Java ?Web?????????????????????????????????????????????????? ???????????????????????????????????????????????? >????? ¦Spring Framework Dependency Injection(DI; ??????)?????????????????????????? DI???????????????????????????????????????????????Java????????????????????????????????????????? >????? >Oracle and Spring(??) ¦Apache log4j ?????????????????? ??????(???????)????????????????????????????????Apache log4j????????????????????????????????????????? ???Microsoft .Net(log4Net)?C++(log4cxx)?PHP(log4php)??Java??????????????????????????? >????? ¦JUnit JUnit?Java????????????????????????????????????????????????????????? Eclipse?NetBeans?JDeveloper??????????????????????????????????????????????????????????? >????? ?????????Java??????? ??????????????Java?????????????????? ¦Oracle TopLink ?????????Java???????????????????????????????????????????????????????????????????????????????????????? ??????????????????????O/R(Object/Relational)?????·?????????Oracle TopLink???????? O/R???????????Java Persistence API(JPA)???Java?????????????????Oracle TopLink????????????????????????????????????????? >????:Oracle TopLink >??????? ¦Oracle Application Development Framework(ADF) Web??????/?????????????????(???????)?????????????????????????????????? ?????????????????????????????????????????????????? Oracle ADF????????????·????????????????????????????Oracle TopLink?Apache Struts?EJB?JavaServer Faces???????????????????????????????????????????????? >????:Oracle Application Development Framework >??????? >Oracle ADF Overview Demo(??) ¦Oracle ADF Faces Oracle ADF Faces??JavaServer Faces(JSF)?????????·???????????????????????????? Ajax????????150???UI????????ADF Faces Rich Client??????????·?????????ADF Data Visualization Components???????????????? >????:Oracle ADF Faces Rich Client Components >??????? >Oracle ADF Faces Components Hosted Demo >Oracle JDeveloper 11g??????? ¦Oracle WebCenter Framework Oracle ADF?????????·????????Enterprise 2.0???????????????????Oracle WebCenter Framework??? ????????????????????????????????????????????????????????????????????????????? >????:Oracle WebCenter Suite >??????? ??????????????WebLogic Server?????

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  • Why is there no service-oriented language?

    - by Wolfgang
    Edit: To avoid further confusion: I am not talking about web services and such. I am talking about structuring applications internally, it's not about how computers communicate. It's about programming languages, compilers and how the imperative programming paradigm is extended. Original: In the imperative programming field, we saw two paradigms in the past 20 years (or more): object-oriented (OO), and service-oriented (SO) aka. component-based (CB). Both paradigms extend the imperative programming paradigm by introducing their own notion of modules. OO calls them objects (and classes) and lets them encapsulates both data (fields) and procedures (methods) together. SO, in contrast, separates data (records, beans, ...) from code (components, services). However, only OO has programming languages which natively support its paradigm: Smalltalk, C++, Java and all other JVM-compatibles, C# and all other .NET-compatibles, Python etc. SO has no such native language. It only comes into existence on top of procedural languages or OO languages: COM/DCOM (binary, C, C++), CORBA, EJB, Spring, Guice (all Java), ... These SO frameworks clearly suffer from the missing native language support of their concepts. They start using OO classes to represent services and records. This leads to designs where there is a clear distinction between classes that have methods only (services) and those that have fields only (records). Inheritance between services or records is then simulated by inheritance of classes. Technically, its not kept so strictly but in general programmers are adviced to make classes to play only one of the two roles. They use additional, external languages to represent the missing parts: IDL's, XML configurations, Annotations in Java code, or even embedded DSL like in Guice. This is especially needed, but not limited to, since the composition of services is not part of the service code itself. In OO, objects create other objects so there is no need for such facilities but for SO there is because services don't instantiate or configure other services. They establish an inner-platform effect on top of OO (early EJB, CORBA) where the programmer has to write all the code that is needed to "drive" SO. Classes represent only a part of the nature of a service and lots of classes have to be written to form a service together. All that boiler plate is necessary because there is no SO compiler which would do it for the programmer. This is just like some people did it in C for OO when there was no C++. You just pass the record which holds the data of the object as a first parameter to the procedure which is the method. In a OO language this parameter is implicit and the compiler produces all the code that we need for virtual functions etc. For SO, this is clearly missing. Especially the newer frameworks extensively use AOP or introspection to add the missing parts to a OO language. This doesn't bring the necessary language expressiveness but avoids the boiler platform code described in the previous point. Some frameworks use code generation to produce the boiler plate code. Configuration files in XML or annotations in OO code is the source of information for this. Not all of the phenomena that I mentioned above can be attributed to SO but I hope it clearly shows that there is a need for a SO language. Since this paradigm is so popular: why isn't there one? Or maybe there are some academic ones but at least the industry doesn't use one.

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  • "previousMode": Controling the Pin Action of a TopComponent

    - by Geertjan
    An excellent thing I learned today is that you, as a developer of a NetBeans module or NetBeans Platform application, can control the pin button. Up until today, whenever I had a TopComponent defined to appear in "rightSlidingSide" mode and then I clicked the "pin" button, as shown here... ...the TopComponent would then find itself pinned in the "explorer" mode. Would make more sense if it would be pinned in the "properties" mode, which is the docked mode closest to the "rightSlidingSide" mode. Not being able to control the "pin" button has been a recurring question (including in my own head) over several years. But the NetBeans Team's window system guru Stan Aubrecht informed me today that a "previousMode" attribute exists in the "tc-ref" file of the TopComponent. Since a few releases, that file is generated via the annotations in the TopComponent. However, "previousMode" is currently not one of the attributes exposed by the @TopComponent.Registration annotation. Therefore, what I did was this: Set "rightSlidingSide" in the "mode" attribute of the @TopComponent.Registration. Build the module. Find the "generated-layer.xml" (in the Files window) and move the layer registration of the TopComponent, including its action and menu item for opening the TopComponent, into my own manual layer within the module. Then remove all the TopComponent annotations from the TopComponent, though you can keep @ConvertAsProperties and @Messages. Then add the "previousMode" attribute, as highlighted below, into my own layer file, i.e., within the tags copied from the "generated-layer.xml": <folder name="Modes"> <folder name="rightSlidingSide"> <file name="ComparatorTopComponent.wstcref"> <![CDATA[<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE tc-ref PUBLIC "-//NetBeans//DTD Top Component in Mode Properties 2.0//EN" "http://www.netbeans.org/dtds/tc-ref2_0.dtd"> <tc-ref version="2.0"> <tc-id id="ComparatorTopComponent"/> <state opened="false"/> <previousMode name="properties" index="0" /> </tc-ref> ]]> </file> </folder> </folder> Now when you run the application and pin the specific TopComponent defined above, i.e., in the above case, named "ComparatorTopComponent", you will find it is pinned into the "properties" mode! That's pretty cool and if you agree, then you're a pretty cool NetBeans Platform developer, and I'd love to find out more about the application/s you're creating on the NetBeans Platform! Meanwhile, I'm going to create an issue for exposing the "previousMode" attribute in the @TopComponent.Registration annotation.

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  • jboss 5.1 mysql connection pooling

    - by boyd4715
    I am using JBOSS 5.1.0.GA, MySQL 5.5 and Hibernate 3.3.1 GA (included with JBOSS) + Spring. My question is do I need to add c3p0 as a data source in my spring/hibernate configuration for connection pooling or are the setting in the JBOSS mysql-ds.xml setting enough. My mysql-ds.xml is the following: <datasources> <local-tx-datasource> <jndi-name>MySqlDS</jndi-name> <connection-url>jdbc:mysql://localhost:3306/ecotrak</connection-url> <driver-class>com.mysql.jdbc.Driver</driver-class> <user-name>ecotrak</user-name> <password>ecotrak</password> <min-pool-size>5</min-pool-size> <max-pool-size>20</max-pool-size> <idle-timeout-minutes>5</idle-timeout-minutes> <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter</exception-sorter-class-name> <!-- should only be used on drivers after 3.22.1 with "ping" support --> <valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLValidConnectionChecker</valid-connection-checker-class-name> <!-- sql to call when connection is created <new-connection-sql>some arbitrary sql</new-connection-sql> --> <!-- sql to call on an existing pooled connection when it is obtained from pool - MySQLValidConnectionChecker is preferred for newer drivers <check-valid-connection-sql>some arbitrary sql</check-valid-connection-sql> --> <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) --> <metadata> <type-mapping>mySQL</type-mapping> </metadata> </local-tx-datasource> </datasources>

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  • MVC2 DataAnnotations on ViewModel - ModelState.isValid Always Returns true

    - by ScottSEA
    I have an MVC2 Application that uses MVVM pattern. I am trying use Data Annotations to validate form input. In my ThingsController I have two methods: [HttpGet] public ActionResult Index() { return View(); } public ActionResult Details(ThingsViewModel tvm) { if (!ModelState.IsValid) return View(tvm); try { Query q = new Query(tvm.Query); ThingRepository repository = new ThingRepository(q); tvm.Airplanes = repository.All(); return View(tvm); } catch (Exception) { return View(); } } My Details.aspx view is strongly typed to the ThingsViewModel: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<Config.Web.Models.ThingsViewModel>" %> The ViewModel is a class consisting of a IList of returned Thing objects and the Query string (which is submitted on the form) and has the Required data annotation: public class ThingsViewModel { public IList<Thing> Things{ get; set; } [Required(ErrorMessage="You must enter a query")] public string Query { get; set; } } When I run this, and click the submit button on the form without entering a value I get a YSOD with the following error: The model item passed into the dictionary is of type 'Config.Web.Models.ThingsViewModel', but this dictionary requires a model item of type System.Collections.Generic.IEnumerable`1[Config.Domain.Entities.Thing]'. How can I get Data Annotations to work with a ViewModel? I cannot see what I'm missing or where I'm going wrong - the VM was working just fine before I started mucking around with validation.

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  • Hibernate Criteria: Perform JOIN in Subquery/DetachedCriteria

    - by Gilean
    I'm running into an issue with adding JOIN's to a subquery using DetachedCriteria. The code looks roughly like this: Criteria criteria = createCacheableCriteria(ProductLine.class, "productLine"); criteria.add(Expression.eq("productLine.active", "Y")); DetachedCriteria subCriteria = DetachedCriteria.forClass(Models.class, "model"); subCriteria.setProjection(Projections.rowCount()); subCriteria.createAlias("model.language", "modelLang"); criteria.add(Expression.eq("modelLang.language_code", "EN")); subCriteria.add(Restrictions.eqProperty("model.productLine.id","productLine.id")); criteria.add(Subqueries.lt(0, subCriteria)); But the logged SQL does not contain the JOIN in the subquery, but does include the alias which is throwing an error SELECT * FROM PRODUCT_LINES this_ WHERE this_.ACTIVE=? AND ? < (SELECT COUNT(*) AS y0_ FROM MODELS this0__ WHERE modelLang3_.LANGUAGE ='EN' AND this0__.PRODUCT_LINE_ID =this_.ID ) How can I add the joins to the DetachedCriteria? Hibernate version: 3.2.6.ga Hibernate core: 3.3.2.GA Hibernate annotations: 3.4.0.GA Hibernate commons-annotations: 3.3.0.ga Hibernate entitymanager: 3.4.0.GA Hibernate validator: 3.1.0.GA

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