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• GAE/JDO: How to check whether a field in a detached object was loaded

  - by tempy

  My DAO detaches and then caches certain objects, and it may retrieve them with different fetch groups. Depending on which fetch group was used to retrieve the object, certain fields of that object may be available, or not. I would like to be able to test whether a given field on that object was loaded or not, but I can't simply check whether the…

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• BlackBerry - KeyListener with global scope

  - by Abs

  Hello all, I am new to BlackBerry App development. I want to be able to listen for keypress events whenever the BlackBerry (8900 in my case) is on and on all screens is this possible? If so, it would be great for someone to direct me in the right direction. I am already having a look at Interface KeyListener. import…

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• w3schools xsd example won't work with dom4j. How do I use dom4j to validate xml using xsds?

  - by HappyEngineer

  I am trying to use dom4j to validate the xml at http://www.w3schools.com/Schema/schema_example.asp using the xsd from that same page. It fails with the following error: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'shiporder'. I'm using the following code: SAXReader reader = new…

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• why Internationalization is shortened to "i18n" ?

  - by GK

  When people discuss about Internationalization they use the word i18n more often. For first time I didnt get what they are referring at by i18n, then I came to know that its internationalization. So wanted to know how internationalization = i18n?

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• Can I peek on a BufferedReader?

  - by atch

  Is there a way to check if in BufferedReader object is something to read? Something like c++ cin.peek(); Thanks

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• Launching Intent.ACTION_VIEW intent not working on saved image file

  - by Savvas Dalkitsis

  First of all let me say that this questions is slightly connected to another question by me. Actually it was created because of that. I have the following code to write a bitmap downloaded from the net to a file in the sd card: // Get image from url URL u = new URL(url); HttpGet httpRequest = new HttpGet(u.toURI());…

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• How is bazaar as a version control tool?

  - by GK

  We are planning to use bazaar as a version control tool over cvs and svn. So i don't know much about it, Where can i find a tutorial of using it? and compared to svn and cvs what extra features does it provides. And is it worth using for the application with large amount of code to manage?

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• How to use Guice in Swing application

  - by Gerco Dries

  I have a Swing application that I would like to convert from spaghetti to using dependency injection with Guice. Using Guice to provide services like configuration and task queues is going great but I'm now starting on the GUI of the app and am unsure of how to proceed. The application is basically a JFrame with a…

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• Who is using Vaadin?

  - by Sten Roger

  Have anyone knowledge of real world vaadin based applications? Would be great to assemble a list on who is using Vaadin.

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• How to call a stored procedure using HibernateTemplate in spring framework?

  - by sinu-mathews

  Hi Experts, Can anyone help me with calling a stored procedure using HibernateTemplate in spring framework? I'm new to Hibernate, so please help me with this. Thanks in advance, Sinu Mathews

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• Dynamically building and updating Histograms with JFreeChart

  - by job

  I've got a stream of incoming data that I would like to plot using a simple histogram. I don't know the range of values, or the proper resolution or bin width to use for the histogram. SimpleHistogramDataset provides some of this functionality, but I don't want to have to deal with catching exceptions in order to…

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• How to put "new line" in JSP's Epression Language?

  - by Roman Kagan

  What would be right EL expression in JSP to have a new line or HTML's <br/>? Here's my code that doesn't work and render with '\n' in text. <af:outputText value="#{msg.TCW_SELECT_PART_ANALYSIS}\n#{msg.TCW_SELECT_PART_ANALYSIS2}"/>

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• Hibernate list operation question

  - by Sumit Kishore

  I'm working on a utility to update a list of entities in a database as a group. The database contains a list of entities. The result of the update is a new list. The API accepts this new list. The update may end up modifying some of the entities in the list, creating new ones and deleting some. So at the entity…

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• Stopping background services during an android activity

  - by fanar

  I am developing an android game right now, and it requires very precise timing and synchronization. That said, it is essential that there is no lag during the game. However I sometimes get lag spikes in the game, and I know its not the GC because I have run the ddms tool, and eliminated all the GC calls.…

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• Help needed implementing a web based file management system with a file hierarchy system, help neede

  - by molleman

  Hello i am trying to create a web application that will allow users to upload files online, i am using gwt while using hibernate for database communication, i am able to upload file to a server , and store them on the server. but what i want is to associate the files with a user. i want the user to be…

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• Ajax render attribute don't work in a h:dataTable in JSF2

  - by u2ix

  Hello everybody, I have some problem's with a simple application in JSF 2.0. I try to build a ToDo List with ajax support. I have some todo strings which I display using a datatable. Inside this datatable I have a commandLink to delete a task. The problem is now that the datatable don't get…

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• Add DLL to NetBeans Project

  - by Samurai

  I want to add dll file into my project. But i don't know where and how to add my dll in NetBeans anyone please help me..

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• JVM CMS Garbage Collecting Issues

  - by jlintz

  I'm seeing the following symptoms on an application's GC log file with the Concurrent Mark-Sweep collector: 4031.248: [CMS-concurrent-preclean-start] 4031.250: [CMS-concurrent-preclean: 0.002/0.002 secs] [Times: user=0.00 sys=0.00, real=0.00 secs] 4031.250:…

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• Internationalization in a website

  - by bhardwaj

  Dear All, I m using ResourceBundle method getBundle(Propertyfilename,Local.languagename) class which returns an object of ResourceBundle of the local rb = ResourceBundle.get Bundle("Locale Strings", Locale.ARABIC);-Not Supported How can i use this to…

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• Casting of interfaces

  - by Srinivas Reddy Thatiparthy

  interfaces provide a useful abstraction capability. One can have a class Foo implement some interfaces, say A, B, and C. Some client code may get a reference of type A, others one of type B, etc. each actually the same Foo object but the interface…

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• Problem with UTF-8

  - by Pablo Fernandez

  I'm using castor as an OXM mapper, and I'm having a problem with UTF-8 encoding. The code here shows the issue: //Marshaller configuration ByteArrayOutputStream baos = new ByteArrayOutputStream(); OutputStreamWriter os = new…

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• Help in using shape drawable as my background xml

  - by n179911

  I really appreciate if someone can help me with using how to use shape drawable as my background xml for my view. This is what I tried: But I never get the color. Android always gives me black text on white background,…

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• JPA 2.0, hiberante 3.5, jars & persistence.xml location

  - by phmr

  I'm building a desktop application using hibernate 3.5 & JPA 2.0. I have 2 jars, the lib, which defines every entity and DAO, packages looks like this : org.my.package.models org.my.package.models.dao…

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• SVNKit: Commit files that were manually deleted from filesystem( Work Copy)

  - by Jam

  I can not solve the problem with collecting CommitItem(changes that commit), or more accurately, I have no porblem with the changed and added files BUT files that I manually deleted from the file system is…

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• Beanshell in Ant yielding, "Unable to create javax script engine for beanshell"

  - by John B.

  Greeting, I'm trying to put some Beanshell script in my Ant build.xml file. I've followed the Ant manual as well as I can but I keep getting "Unable to create javax script engine for beanshell" when I run…

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