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  • JPA, scope, and autosave?

    - by arinte
    I am using JPA and lets say I do something like this public class MoRun extends Thread {... public void run() { final EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("pu"); EntityManager manager = emFactory.createEntityManager(); manager.setFlushMode(FlushModeType.COMMIT); someMethod(manager); ... } public void someMethod(EntityManager manager){ Query query = manager.createNamedQuery("byStates"); List<State> list = query.getResultList(); for (State state : list) { if(someTest) state.setValue(...) } ... } So for those objects that pass "someTest" and values are updated are those changes automatically persisted to the db even though there is no transaction and I don't explicitly "manager.save(state)" the object? I ask because it seems like it is and I was wondering if the flush is doing it?

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  • How can I share Configuration Settings across multiple projects in Visual Studio?

    - by Muneeb
    Ok I know this may be a design issue, so I would love to have remarks on that as well. I have a Visual Studio web application solution. I have three projects as UserInterface, BusinessLogic and DataAccess. I had to store some user defined settings and I created configSections in the config file. I access these configSections through classes which inherit from .NET's ConfigurationSection base class. So in short for every project I had a separate configSection and for that corresponding configSection I had a class in that project inheriting from ConfigurationSection to access the config section settings. This works all sweet. But the problem arises if there is any setting which I need to use across multiple projects. So If I need to use a setting defined in UserInterface project configSection in, let say, BusinessLogic project I have to actually make a copy of that setting in the BusinessLogic's configSection. This ends up having the same setting copied across multiple configSections. Isn't this a bit too redundant?

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  • Entity Framework 4 CTP 5 POCO - Many-to-many configuration, insertion, and update?

    - by Saxman
    I really need someone to help me to fully understand how to do many-to-many relationship with Entity Framework 4 CTP 5, POCO. I need to understand 3 concepts: How to config my model to indicates some tables are many-to-many. How to properly do insert. How to properly do update. Here are my current models: public class MusicSheet { [Key] public int ID { get; set; } public string Title { get; set; } public string Key { get; set; } public virtual ICollection<Author> Authors { get; set; } public virtual ICollection<Tag> Tags { get; set; } } public class Author { [Key] public int ID { get; set; } public string Name { get; set; } public string Bio { get; set; } public virtual ICollection<MusicSheet> MusicSheets { get; set; } } public class Tag { [Key] public int ID { get; set; } public string TagName { get; set; } public virtual ICollection<MusicSheet> MusicSheets { get; set; } } As you can see, the MusicSheet can have many Authors or Tags, and an Author or Tag can have multiple MusicSheets. Again, my questions are: What to do on the EntityTypeConfiguration to set the relationship between them as well as mapping to an table/object that associates with the many-to-many relationship. How to insert a new music sheets (where it might have multiple authors or multiple tags). How to update a music sheet. For example, I might set TagA, TagB to MusicSheet1, but later I need to change the tags to TagA and TagC. It seems like I need to first check to see if the tags already exists, if not, insert the new tag and then associate it with the music sheet (so that I doesn't re-insert TagA?). Or this is something already handled by the framework? Thank you very much. I really hope to fully understand it rather than just doing it without fully understand what's going on. Especially on #3.

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  • Delphi exe, will it run with just BDE configuration?

    - by Roddy
    Hi, I've taken over a legacy application and I have the exe created. If I can configure the BDE then in theory it should be possible to run this. Someone indicated that Delphi needs to be installed in order for the app to run. I'm unsure of that - it doesn't quite make sense to me as there is an exe file. Any input from Delphi experts would be appreciated. Roddy

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  • Converted PowerBuilder to ASP.Net browsing Errors

    - by user493325
    I had a powerbuilder application which i converted to web application in the format of ASP.Net (aspx) files. after deploying and publishing the converted web application (copy it and add ASP.Net and network Service AND IUser permissions to enable users to access it) in IIS V6.0 over Windows server 2003 and The ASP.Net version is 2.0 The error messages I get when I browse default.aspx web page are as the following:- Server Error in '/' Application. Runtime Error Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine. Details: To enable the details of this specific error message to be viewable on remote machines, please create a tag within a "web.config" configuration file located in the root directory of the current web application. This tag should then have its "mode" attribute set to "Off". <!-- Web.Config Configuration File --> <configuration> <system.web> <customErrors mode="Off"/> </system.web> </configuration> Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's configuration tag to point to a custom error page URL. <!-- Web.Config Configuration File --> <configuration> <system.web> <customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/> </system.web> </configuration> Another error message appears on the server is:- Server Error in '/' Application. Configuration Error <roleManager enabled="true"> <membership> </roleManager> Thanks in Advance...

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  • How should developers cope with so many GUI configuration combinations?

    - by shawn-harrison
    These days, any decent Windows desktop application must perform well and look good under the following conditions: XP and Vista and Windows 7. 32 bit and 64 bit. With and without Themes. With and without Aero. At 96 and 120 and perhaps custom DPIs. One or more monitors (screens). Each OS has its own preferred font. Oh my! What is a lowly little Windows desktop application developer to do? :( I'm hoping to get a thread started with suggestions on how to deal with this GUI dilemma. First off, I'm on Delphi 7. a) Does Delphi 2010 bring anything new to the table to help with this situation? b) Should we pick an aftermarket component suite and rely on them to solve all these problems? c) Should we go with an aftermarket skinning engine? d) Perhaps a more HTML-type GUI is the way to go. Can we make a relatively complex GUI app with HTML that doesn't require using a browser? (prefer to keep it form based) e) Should we just knuckle down and code through each one of these scenarios and quit bitching about it? f) And finally, how in the world are we supposed to test all these conditions?

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  • Get the default link configuration gcc uses when calling the linker.

    - by witkamp
    I am using the CodeSorcery arm-eabi-gcc tool chain and I have a problem using ld separate from gcc I can compile my simple program and link it, if I let gcc call the ld. This works not problem g++ test.cpp; # Works This does not work because of missing symbols g++ -c test.cpp ld -o test crti.o crtbegin.o test.o crtend.o crtn.o -lgcc -lc -lstdc++; # Fails Notice I am adding the gcc libraries to the ld command What am I missing? Also if there is a better way to make configuring ld to using the default gcc linking? Thanks

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  • JavaME: Is it possible to run a MIDLet on a CDC configuration ?

    - by Leonel
    Hi, We have an application running on CLDC 1.1/MIDP 2.1, based on Midlets and lcdui. Is it possible to run the same application on CDC 1.1 with the PBP profile ? If so, where should I even start ? I'm using Sun WTK 3.0. With CLDC, the starting point is a JAD file, which indicates the name of the main midlet class. What is the starting point of an application on CDC ?

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  • how to put my own words. small problem in Sphinx configuration

    - by Nubkadiya
    hi, i have setup Sphinx and tested Hello World and its working fine. but i wanted to change the words. so i change the WSJ extension and edited the Dictionary and included the name which i wanted with the phonemes. and then i zip it and again change the extension type to jar and checked. but it says "WARNING jsgfGrammar Can't find pronunciation for nugegoda" and when i talked to some friends about it they asking me to put that word to the language model also but i cannot find such a language model in the library folder. please can someone help me the normal english words are working fine. i hope someone help me on this.

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  • What is the "Entity" reffering to in fluent Nhibernate Mapping Configuration?

    - by percent20
    I am trying to learn fluent nhibernate better so am doing a basic sample application from scratch, instead of using someone elses framework. However, I am finding I really don't understand what is going on in assigning mapping files. I have seen a lot of code examples which are all showing the same code, but nothing that spells it out. No description of how it works just that it works. Here is a code example that I see often. return Fluently.Configure() .Database(config) .Mappings(m => m.FluentMappings.AddFromAssemblyOf<Entity>()) .BuildSessionFactory(); So in the code example what is Entity? and how does that piece of code work? Part of me thinks it is the name of the assembly, but seeing as how the namespace I am using is usually the name of the assembly the compiler complains that I am using a namespace as a type. I feel this is important and am rather flustered by the fact I can't figure it out. Thanks

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  • Is a tab bar configuration view can be customized ?

    - by Dirty Henry
    I have an application with 8 tabbar items in the tabbar controller. Is there a way I can customize the layout of the "... (more)" view in which you can configure which tab bar items should appear in the main tab bar. It seems to be a table view controller but i'd like to use custom cell views and a background image.

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  • What's the use of writing tests matching configuration-like code line by line?

    - by Pascal Van Hecke
    Hi, I have been wondering about the usefulness of writing tests that match code one-by-one. Just an example: in Rails, you can define 7 restful routes in one line in routes.rb using: resources :products BDD/TDD proscribes you test first and then write code. In order to test the full effect of this line, devs come up with macros e.g. for shoulda: http://kconrails.com/2010/01/27/route-testing-with-shoulda-in-ruby-on-rails/ class RoutingTest < ActionController::TestCase # simple should_map_resources :products end I'm not trying to pick on the guy that wrote the macros, this is just an example of a pattern that I see all over Rails. I'm just wondering what the use of it is... in the end you're just duplicating code and the only thing you test is that Rails works. You could as well write a tool that transforms your test macros into actual code... When I ask around, people answer me that: "the tests should document your code, so yes it makes sense to write them, even if it's just one line corresponding to one line" What are your thoughts?

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  • How can I generate XML application configuration using Zend_Tool?

    - by wimvds
    When creating a new project using zf create project myproject it will create a default project layout with an application.ini in the configs folder. Where can I change these default settings so that it generates (and uses) an XML file (application.xml)? I've looked at the documentation for Zend_Tool (http://framework.zend.com/manual/en/zend.tool.html), but there seems to be no information on how to do this. And suppose you'd like to use a different default folder layout (ie. use htdocs instead of public as your document root), is there a way to specify this as well? Any pointers to relevant information (btw I've looked at the Quickstart, nothing relevant is mentioned there unless I'm overlooking it)? edit I already tried creating a profile (stored in .zf/project/profiles), and used that to create a project (using zf create project myproject myprofile) but that doesn't change anything, even though the .zfproject.xml file in the root of the new project does contain the <applicationConfigFile type="xml"/> setting... The new project contains this (as you can see, it's just the default settings, only the type of applicationConfigFile has been changed) : <?xml version="1.0"?> <projectProfile type="default" version="1.10"> <projectDirectory> <projectProfileFile filesystemName=".zfproject.xml"/> <applicationDirectory classNamePrefix="Application_"> <apisDirectory enabled="false"/> <configsDirectory> <applicationConfigFile type="xml"/> </configsDirectory> <controllersDirectory> <controllerFile controllerName="Index"> <actionMethod actionName="index"/> </controllerFile> <controllerFile controllerName="Error"/> </controllersDirectory> <formsDirectory enabled="false"/> <layoutsDirectory enabled="false"/> <modelsDirectory/> <modulesDirectory enabled="false"/> <viewsDirectory> <viewScriptsDirectory> <viewControllerScriptsDirectory forControllerName="Index"> <viewScriptFile forActionName="index"/> </viewControllerScriptsDirectory> <viewControllerScriptsDirectory forControllerName="Error"> <viewScriptFile forActionName="error"/> </viewControllerScriptsDirectory> </viewScriptsDirectory> <viewHelpersDirectory/> <viewFiltersDirectory enabled="false"/> </viewsDirectory> <bootstrapFile filesystemName="Bootstrap.php"/> </applicationDirectory> <dataDirectory enabled="false"> <cacheDirectory enabled="false"/> <searchIndexesDirectory enabled="false"/> <localesDirectory enabled="false"/> <logsDirectory enabled="false"/> <sessionsDirectory enabled="false"/> <uploadsDirectory enabled="false"/> </dataDirectory> <docsDirectory> <file filesystemName="README.txt"/> </docsDirectory> <libraryDirectory> <zfStandardLibraryDirectory enabled="false"/> </libraryDirectory> <publicDirectory> <publicStylesheetsDirectory enabled="false"/> <publicScriptsDirectory enabled="false"/> <publicImagesDirectory enabled="false"/> <publicIndexFile filesystemName="index.php"/> <htaccessFile filesystemName=".htaccess"/> </publicDirectory> <projectProvidersDirectory enabled="false"/> <temporaryDirectory enabled="false"/> <testsDirectory> <testPHPUnitConfigFile filesystemName="phpunit.xml"/> <testApplicationDirectory> <testApplicationBootstrapFile filesystemName="bootstrap.php"/> </testApplicationDirectory> <testLibraryDirectory> <testLibraryBootstrapFile filesystemName="bootstrap.php"/> </testLibraryDirectory> </testsDirectory> </projectDirectory> </projectProfile>

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  • How do you pull the URL for an ASP.NET web reference from a configuration file in Visual Studio 2008

    - by Ian Robinson
    I have a web reference for our report server embedded in our application. The server that the reports live on could change though, and I'd like to be able to change it "on the fly" if necessary. I know I've done this before, but can't seem to remember how. Thanks for your help. update - I've manually driven around this for the time being. It's not a big deal to set the URL in the code, but I'd like to figure out what the "proper" way of doing this in VS 2008 is. Could anyone provide any further insights? Thanks!

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  • What tools do you have at your disposal as a manager to promote a way of thinking

    - by John Leidegren
    This question goes beoynd just programming, but I'd like to get some input on this, if that's okay with the community. Preferably from people that do a lot of coding themselves but also manage other people coding. My problem is this. We have all these ideas that we know is good for the overall strategy of the company and the problem is not figuring out what to do, it's to come about this change. Just telling someone to do things differently isn't enough and it's hard to promote a mind set that is shared within all of the company, (this will take time). If I could jump forward I'd like it if we could create a very nurturing company culture that promotes these ideals cross all areas but I'm not sure what tools to use. And by tools I mean anything I'm legally permitted to do. e.g. we could talk about, we could arrange traning sessions, we could spend more time in meeting (talk about it more), we could spend more time designing, we could spend more time pair-programming, we could add/remove incentive or we could encurage more play. Ultimately if we did all of these things what will be the recurring theme that ties this together. I'd like to be able to answer the question -- why should we do things like this? -- and come up with an answer that explains how important it is to think about our ideals from begining to end. I've puposly avoided to talk about or specifics of the situtation becuase I believe that it narrows things down too much. But I guess, by know you either know how to answer this question or you're as confused as I am ;) I'd love to hear from people who had to bring about a change in order to go from chaos to order, or fix something in the organization which wasn't working. And I'd like to hear it from the perspective of the developer and designer. -- or -- You could simply weigh in on what are the most important qualities in an organization encurage or stimulate rigid fun development cycle from start to finish?

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  • How do I transfer configuration data into injected objects?

    - by louis
    I used to use Spring.Net and want to switch to Ninject 1.5 (I have to use .NET2, since some unlucky guy like me still needs to consider users working with win 2k). I used to have everything done in xml and only invoke the container during startup. In this way, only very limited codes are depending on container. I have scenarios like this and I wonder how to do the same in Ninject. I have external config file, which are the items the end users can change basing on their environment/preferences. And some of my objects depends on those values to initialize. Mostly they are primary values, but some times can be list/dictionaries/etc.

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