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• MVC without ORM is not real MVC?

  - by ajsie

  at the moment im integrating ORM (doctrine) into a MVC framework (codeigniter). then it hit me that this was the obvious way of setting up a MVC: the controller calls the models that are representing database tables. look at this picture: MVC + ORM then i wondered, how can a MVC without ORM be real MVC? cause then the models are not real objects, rather aggregations of different functions that perform CRUD, then returning the result to the controller. and there is no need for a state (object properties) i guess so the functions would be all static? correct me if im wrong on this one. i guess a lot of people are using models without ORM. please share your thoughts. how do your models look like?

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• Spring Hibernate Connection through AOP standalone application

  - by Kiran

  I am trying to develop Annotation based Spring Hibernate standalone application to connect to DB. I've gone through the some blogs and wondered like we should not make use of hibernateTemplate becoz coupling your application tightly to the spring framework. For this reason, Spring recommends that HibernateTemplate no longer be used.Further more my requirement is changed to Spring Hibernate with AOP using Declarative Transaction management.I am new to AOP concepts. Can any one please give an example on Spring Hibernate Connection through AOP. That would be a great help to me. Thanks in advance.

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• What can cause a persistent "Reload the page to get source for" error in firebug?

  - by ripper234

  I'm trying to debug the javascript of a specific page, and I keep seeing Reload the page to get source for page.htm in Firebug. On Chrome, I'm mostly able to debug the js, but sometimes I also get a blank page. What can cause such issues? I believe I always see a blank page in Chrome if I reload while the JS console is open. If I open a new Chrome tab, load the page, and then open the JS console, everything is ok. The page I'm debugging is on a localhost server (Play Framework server), although I have seen this on other pages occasionally. This only happens with inline javascript ... js that is linked from the page is displayed fine.

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• Why should I use mock objects (Java)? Do all mocking frameworks serve the same purpose?

  - by Mehmet Yesin

  I'm preparing a presentation and I need to get a better understanding of what mocking is, what is the purpose of using it, what are the common situations that I should use mock objects? I found out that there are a bunch of mocking frameworks out there. Do they all do the same thing or do I use a specific framework for specific testing purpose? What are the differences between these frameworks? Which one would you recommend for testing Java? here are some stuff that I found: 1.MockingToolkitComparisonMatrix which seems biased. 2.What are mock objects in Java? This is a year old. I thought there might be some better answer today. Thank you.

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• Silverlight 3 and System.ServiceProcess - Doesn't allow the reference to be added.

  - by Brad8118

  I'm trying to write a program that can stop and start services using SilverLight 3 and VS2010. I can't add the reference to the System.ServiceProcess dll. C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.ServiceProcess.dll 1st why? - It it just a security precaution? 2- Is there a work around? Does SilverLight have a different library that I can use to start and stop services. Also note that this is a desktop application and not a web app. It will be sitting on my desktop to toggle services on and off.

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• Is there a Java equivalent for Ruby on Rails "url_for"?

  - by Oren Ben-Kiki

  I have written something like this pretty easily in C# (string GetUrl(new { controller = "foo", action = "bar", baz = "fnord" }), based on the existing capabilities of the XmlRouteCollection class provided by the ASP.NET MVC framework (why it isn't there out of the box is beyond me; the additional required code was trivial). I am now faced with a JSP project, and I need the same ability: centralize the logic for generating all URLs in one place, based on a list of routing rules. Is there some code somewhere I could reuse/adapt to do this in Java? It seems like a common enough requirement, but google proved surprisingly unhelpful in finding something like this.

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• Choosing a Portal / CMS software for developing multi brand websites?

  - by hbagchi

  We are in the early stage of overhauling a multi-brand website built using a custom developed java mvc framework to enable web 2.0 features. Built-in features we are looking at are: i18n, sso, content search and indexing, personalization, mashup support, ajax support, rich media content storage and management support, friendly to search engine optimizations, bookmarkable URLs, support for social networking sites, support for page composition and decoration using templates. A combination of these features are supported by many portal and cms software. Any insights will be very helpful in using a portal/cms combination to address this requirements! This is a follow-up on this post focusing on the portal/cms angle

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• How to integrate access control with my ORM in a .net windows form application?

  - by Ying

  I am developing a general database query tools, a .Net 3.5 Windows Form application. In order to make the presentation layer is independent of the database layer. I use an ORM framework, XPO from DevExpress. But, I have no access control function built in. I surfed Internet and I found in WCF Data Services, there is an interesting concept, Interceptor, which is following AOP(Aspect Oriented Programming). I am wondering who has such an experience to build access control in ORM. My basic requirement is : It should be a general method and controlled by users in runtime. So any hard coding is not acceptable. It could be based on attribute, database table, or even an external assembly. I am willing to buy a ready solution. According to the idea of AOP, an access control function can be integrated with existing functions easily and nearly not knowingly to the previous developer;) Any suggestions are welcome.

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• ASP.NET Forms automation/serialization/binding

  - by creo

  I need to implement many forms in ASP.NET application (for IRS mostly). There are will be a lot of standard controls for each form (textboxes, dropdowns, checkboxes, radio). And business entity assigned to each. What's the best solution to automate this process? I need to: Have layout stored in DB (in XML). Layout must support several columns, tabbed interface Automatically bind business object values to the form Automatically read form values and write to business object Must support automatic validation Some basic workflows support would be good I used to work with TFS and saw how they implemented WorkItem templates (.wit files). In general this is all I need. But what framework did they build it on? How can I utilize this solution? I know about Dynamic Data only: http://www.asp.net/dynamicdata

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• Using GWT to output XML, JSON and regular HTML

  - by Artem

  Sorry, this is a very basic question, as we are just getting started with exploring GWT. We would like to know if it's easy and possible to get GWT to "output" XML, JSON and regular HTML. I would like to know this because ideally we would port parts of our backends over slowly, and it would be nice to drop in GWT in place of AJAX wherever we need it during the transition period. Places that we would like to be able to use: 1) We have a pure XML page that we return to our client (mobile) app and right now this is handled through Spring MVC with a nice template. What's the best replacement for this? 2) We have a regular AJAX page that makes async requests and expects replies in JSON. Can we easily replace this backend? 3) We have some regular webpages where we use templates to output them, and we would like to first switch them over in the simplest possible way, without converting them to the regular GWT UI framework. Thanks!

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• Of Models / Entities and N-tier applications

  - by Jonn

  I've only discovered a month ago the folly of directly accessing entities / models from the data access layer of an n-tier app. After reading about ViewModels while studying ASP.NET MVC, I've come to understand that to make a truly extensible application the model that the UI layer interacts with must be different from the one that the Data Access layer has access to. But what about the Business layer? Should I have a different set of models for my business layer as well? For true separation of concern, should I have a specific set of models that are relevant only to my business layer so as not to mess around with any entities (possibly generated by for example, the entity framework, or EJB) in the DAL or would that be overkill?

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• Registering a delegate function with an ISO C++ callback (on mono)

  - by Stick it to THE MAN

  I am thinking of wrapping ISO C++ code in C# class. The only problem so far is how to deal with the C++ callbacks. In .Net languages (C# and Vb.Net), I believe the callback equivalent. Sticking with C# for now, can anyone recommend a way that I can register the C# delegate functions with my ISO C++ code. The ISO C++ code is a notification library, and I want to be able to "push" the notifications to the mono framework (i.e. C# delegates in this case). My underlying assumption is that the mechanism/steps to implement this would be the same for the .Net languages - I'll just have to code the actual delegates in the .Net language of choice - is that assumption correct? Last but not the least, is the question of thread saftey. The underlying ISO C++ code that I am exposing to .Net (mono to be more specific), is both re-ntrant and thread safe - do I have to do anything "extra" to call .Net delegate from my ISO C++ code?

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• Class library reference problem

  - by Anindya Chatterjee

  I am building a class library and using its default namespace as "System". There suppose I am creating a generic data structure say PriorityQueue and putting it under System.Collections.Generic namespace. Now when I am referencing that library from another project, I can't see PriorityQueue under "System.Collections.Generic" namespace anymore. Though the library is referenced I can not access any of the classes in it. Can anyone shed some light on it please. I know that if I change the namespace everything will be ok, but I want to create a seamless integration like .net framework itself with other project, so that one can refer the library and forget about its namespaces.

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• How to call an event when the user "finally" selects an item in a list?

  - by herzmeister der welten

  When a user clicks once on an item in a Grid or a ListBox, that item is usually selected, hence most UI frameworks have a onSelected event or the like for that. However, how can we generally call the next step when a user "finally" selects an item by e.g. double clicking an entry? You know when some popup might appear in the context of the selected item and the user can do further stuff. Strangely enough, I think I have never seen a word for that in any UI framework. onPicked, onAccepted, onChosen, onFinallySelected, onResult? All kinda awkward or too special. Any other ideas?

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• Learning to think in the Object Oriented Way

  - by SpikETidE

  Hi Everyone.... I am a programmer trying to learn to code in the object oriented paradigm... I mainly work with PHP and i thought of learning the zend framework... So, felt I need to learn to code in OO PHP.... The problem is, having done code using functions for quite a long time, i just can't get my head to think in the OO way.... Also felt that probably I am not the only one facing this problem since the beginning of time... So, how did you people learn object oriented programming... especially how did you succeed in "unlearning" to code using functions... and learn to see you code as objects...? Is there any good resource books or sites where one could find help...?? Thanks for sharing your knowledge and experiences...

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• I am not able to run Asp.Net MVC 2 Application

  - by Vinod B

  Hi I have trying an sample application in Asp.Net MVC 2 Application given in http://www.codeproject.com/KB/aspnet/aspnet_mvc_tutorial.aspx But i am getting the error as below Server Error in '/' Application. The resource cannot be found. Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. Requested URL: /Views/PersonalInformation/Index.aspx Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053 Please let mw know wat is the problem

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• NSDictionary causing EXC_BAD_ACCESS

  - by aks

  I am trying to call objectForKey: on an nsdictionary ivar, but I get an EXC_BAD_ACCESS error. The nsdictionary is created using the JSON-framework and then retained. The first time I use it (just after I create it, same run loop) it works perfectly fine, but when I try to access it later nothing works. I am doing this code to try to figure out what is wrong: if (resultsDic == nil) { NSLog(@"results dic is nil."); } if ( [resultsDic respondsToSelector:@selector(objectForKey:)] ) { NSLog(@"resultsDic should respond to objectForKey:"); } The dictionary is never nil, but it always crashes on respondsToSelector. any ideas?

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• SHA1CryptoServiceProvider changed in .NET 4

  - by WebDude

  I am currently trying to upgrade a project of mine from .NET 3.5 to .NET 4.0 Everything was going really well, all code compiled, all tests passed. Then I hit a problem deploying to my stagomg environment. Suddenly my logins were no longer working. It seems my SHA1 hashed passwords are being hashed differently in .NET 4. I am using the SHA1CryptoServiceProvider: SHA1CryptoServiceProvidercryptoTransformSHA1 = new SHA1CryptoServiceProvider(); To test I created a new Visual Studio project with 2 console applications. The first targeted at .NET Framework 3.5 and the second at 4.0. I ran exactly the same hashing code in both and different results were produced. Why is this happening and how can I fix this? I obviously cannot go update all of my users passwords considering I do not know what they are. Any help would be greatly appreciated.

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• Unit testing custom controls in Silverlight

  - by Hrvoje

  I have several custom controls (some kind of frames for content and layout management, like wrap panel), and would like to write unit tests for them. It's hard to find any good examples except Silverlight control toolkit, which has some helper classes to do unit tests and it's quite complicated. For MVVM classes it's easy to write tests because they don't use SL dependency system and infrastructure. Questions: how to unit test DepedenyProperty, what do I need to test how to test attached property do I test bindings with theme or UserControl, like simple textblock content binding, or command/event binding in MVVM with UserControl what else do I test in my custom controls, beside my business logic any good tutorial to achieve tests like those in control toolkit How do I start? Is SL controls toolkit only option for learning? For testing framework i'm using one from control toolkit, and for continuus integration on TFS build server I planned to use Statlight (from codeplex). Any advice on that?

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• VS 2010 Entity Repository Error Class member EntityBase.id is unmapped.

  - by Steve

  In my project I have it set up so that all the tables in the DB has the property "id" and then I have the entity objects inherit from the EntityBase class using a repository pattern. I then set the inheritance modifier for "id" property in the dbml file o/r designer to "overrides" Public MustInherit Class EntityBase MustOverride Property id() As Integer End Class Public MustInherit Class RepositoryBase(Of T As EntityBase) Protected _Db As New DataClasses1DataContext Public Function GetById(ByVal Id As Integer) As T Return (From a In _Db.GetTable(Of T)() Where a.id = Id).SingleOrDefault End Function End Class Partial Public Class Entity1 Inherits EntityBase End Class Public Class TestRepository Inherits RepositoryBase(Of Entity1) End Class the line Return (From a In _Db.GetTable(Of T)() Where a.id = Id).SingleOrDefault however produces the error "Class member EntityBase.id is unmapped" when i use VS 2010 using the 4.0 framework but I never received that error with the old one. Any help would be greatly appreciated. Thanks in advance.

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• rspec mocks: verify expectations in it "should" methods?

  - by Derick Bailey

  I'm trying to use rspec's mocking to setup expectations that I can verify in the it "should" methods... but I don't know how to do this... when i call the .should_receive methods on the mock, it verifies the expected call as soon as the before :all method exits. here's a small example: describe Foo, "when doing something" do before :all do Bar.should_recieve(:baz) foo = Foo.new foo.create_a_Bar_and_call_baz end it "should call the bar method" do # ??? what do i do here? end end How can i verify the expected call in the 'it "should"' method? do i need to use mocha or another mocking framework instead of rspec's? or ???

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• Updating a session variable on a page that uses enablesessionstate=readonly attribute doesn't fail f

  - by chandmk

  Asp.Net allows you you set the session state to readonly at individual page level or in the web.config for all pages. But it doesn't prevent you from creating a brand new session variable on that page or modify an existing session variable. But when you try to use that session variable it is either not available or its value is not modified. Why wouldn't the asp.net framework throw a run time error, if not compile time error, when a write attempt is made to a session on the pages where that is not allowed?

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• patching java reflect calls using AOP

  - by Oleg Pavliv

  I don't have a lot of experience with Jboss AOP and I'm just curious if it's possible to replace all calls like Field f = foo.class.getDeclaredField("bar"); f.set(object, value); with something like Field f = foo.class.getDeclaredField("bar"); FieldSetCaller.invoke(f, object, value); using Jboss AOP. FieldSetCaller is my own class. I need to replace all Field.set calls on the fly, without recompiling the code. Some third -party code I even cannot recompile because I don't have the source. I can achieve this using java asm framework and I'm wandering if Jboss AOP can do it as well. Just for information - my code is running on Jboss server 4.3.0

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• Queue remote calls to a Python Twisted perspective broker?

  - by agartland

  The strength of Twisted (for python) is its asynchronous framework (I think). I've written an image processing server that takes requests via Perspective Broker. It works great as long as I feed it less than a couple hundred images at a time. However, sometimes it gets spiked with hundreds of images at virtually the same time. Because it tries to process them all concurrently the server crashes. As a solution I'd like to queue up the remote_calls on the server so that it only processes ~100 images at a time. It seems like this might be something that Twisted already does, but I can't seem to find it. Any ideas on how to start implementing this? A point in the right direction? Thanks!

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• CSS Overflow issue in IE7

  - by BrynJ

  I'm working on a site for a client at the moment, and have it working correctly in all browsers except IE7 (IE6 and IE8 tested fine). It's a WordPress site and the theme is a child theme of the Thematic framework. This is an example of a page that is not displayed correctly in IE7: http://roynesbitt.credit-medics.co.uk/our-donors The main content is forcing vertical and horizontal scrollbars on the main wrapper and is also not pushing the footer down, so that is appearing midway through it. The irony is that this works correctly in IE6, it's just IE7 that is displaying this issue. Any suggestions on how to fix are gratefully received.

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