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• ASP.NET web service architecture/structure

  - by Murugesan

  Hi All, I am going to create a new asp.net web service (.NET framework 2.0), the functionality of the web service is to recieve xml input, perform the relevant operation (add/modify/delete) based on the input and return codes which indicates the status of the operation. I am planning to implement two layer architecture (Business layer and database layer) for this web service, could anyone advise whether this is the right structure or any other structure would perform well than this. Basically I need some inputs on designing the web service. Thanks in advance. Thanks, Muru

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• What are the latest options in Java logging frameworks?

  - by sanity

  This question gets asked periodically, but I've long felt that existing Java logging frameworks were overcomplicated and over-engineered, and I want to see what's new. I have a more critical issue on my current project as we've standardized on JSON as our human-readable data encoding, and most logging frameworks I've seen require XML. I would really rather avoid using JSON for 95% of my apps configuration, and XML for the rest just because of the logging framework (truth be told, I hate XML used for anything other than text markup, its original intended purpose). Are there any hot new Java logging frameworks that are actively maintained, reasonably powerful, have a maven repo, can be reconfigured without restarting your app, and don't tie you to XML?

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• Linking problems with NSViewController

  - by jay

  I've created a class using XCode3.2.1 and I want to make it inherit from NSViewController. #import < Cocoa/Cocoa.h @interface myCustomView : NSViewController {} @end I get the error that it can't find the class header file, but I've linked in the Cocoa libraries. Undefined symbols: "_OBJC_CLASS_$_NSViewController", referenced from: _OBJC_CLASS_$_myCustomView in myCustomView.o I have other classes in my project that are inherit Cocoa classes without a problem. I don't have any errors if I make it inherit from classes that are part of Framework (eg NSObject, NSArray). Any suggestions?

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• Xcode OpenGL Build Error (header file not found)

  - by Strix Nebulosa

  When building my Objective-C project (for Mac OS 10.9, Xcode 5.11), I get the error message Lexical or Preprocessor Issue 'OpenGL/OpenGL.h' file not found. The error is caused by the include section of the file CVDisplayLink.h where the above named file is included. CVDisplayLink.h belongs to the framework CoreVideo. Now there are two strange points related to that issue: The error appeared after I tried to test some basic OpenGL features using the tutorial in the Mac Developer Library ( https://developer.apple.com/library/mac/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_drawing/opengl_drawing.html#//apple_ref/doc/uid/TP40001987-CH404-SW8 ). I added an NSOpenGLView to my MainMenu as well as the related code given in the tutorial. Then the error message appeared. I also tried to add the OpenGL and CoreVideo frameworks to my project target, but this did not help. After some frustration, I removed the NSOpenGLView from my project, as well as all related code. Now the error Message still appeares and I have no Idea how to ged rid of it.

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• Interactive Charts for web application

  - by user227290

  We are working on a web based application (implemented in JAVA) on commodity prices and one part of it is interactive charting. I provide a simplified example here. We have a table in Mysql database where we have information on commodity prices in US states and counties. One aspect of the application is to create interactive plots based on user choice. For example, if the user needs to see the price density in Oregon and Linn county then she chooses it from the menu in a webpage and it is rendered on fly with accompanying quantile information in a table. As the user changes state and county these plots and table change on fly.For our computational need we are using R (and use rjava to integrate it to our web application) and I know that if interactivity is not an issue this is a piece of cake in ggplot2, but I am not aware of any interactive version of R graphics framework (like lattice, ggplot2). We are exploring google visualization API but I am not sure we can have the statistical power we need in some of the plots.Please help.

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• Static assembly initialization

  - by ph0enix

  I'm attempting to develop an Interceptor framework (in C#) where I can simply implement some interfaces, and through the use of some static initialization, register all my Interceptors with a common Dispatcher to be invoked at a later time. The problem lies in the fact that my Interceptor implementations are never actually referenced by my application so the static constructors never get called, and as a result, the Interceptors are never registered. If possible, I would like to keep all references to my Interceptor libraries out of my application, as this is my way of (hopefully) enforcing loose coupling across different modules. Hopefully this makes some sense. Let me know if there's anything I can clarify... Does anyone have any ideas, or perhaps a better way to go about implementing my Interceptor pattern? TIA, Jeremy

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• Screenflow based application in Adobe Flex/Flash

  - by iceman

  I'm searching for some code samples for my Flash application. The app is based on screen-flows , i.e each screen is defined with some visual elements with some buttons which have async events associated with them(consuming web services basically). The buttons also have functionality to go back and forth between screens and jump to any screen. I want to define all of the visual elements and the functionality of the events in a XML file. Thus the model, view and controller are all in the XML. Does any framework allow this like Pure MVC? Where can I find some examples of this kind of functionality that I want?

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• how many dojo fliteringselect can I have on a form?

  - by Grant Collins

  I have a quick question How many dojo filteringselects can I have on a form? I have a form with 2 filteringselects on it, both getting data from different json datastores to populate the values. However only the first filteringselect is being populated, the other grabs no data. I am using Zend Framework and Zend_Dojo_Form to create the form elements for this. Many thanks. Ok looks like my code is broken somewhere then. The element that is failing in my form is: $location = new Zend_Dojo_Form_Element_FilteringSelect('location'); $location->setAutocomplete(true) ->setStoreId('countiesstore') ->setStoreType('dojo.data.ItemFileReadStore') ->setStoreParams(array('url' => $baseUrl.'/dojo/counties')) ->setAttrib('searchAttr', 'title') ->setRequired(true) ->removeDecorator('DtDdWrapper') ->removeDecorator('label') ->removeDecorator('HtmlTag') ->removeDecorator('Error'); When I go to http://localhost/dojo/counties I get the json file to read, but the element isn't populated with any data. Any ideas?

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• Need some pointers/hints in writing a Windows Application

  - by Bragaadeesh

  Hi, I want to create applications in windows that has complete portability (within windows OSes of course). I have tried using one application written in Visual C++ but I had a real tough time in making it run in other windows OS (like it required .net framework libraries to be installed). This put me on the back foot because I had to copy a set of DLLs from one machine to another and most of the time something works some does not. And I am TOTAL amateur in writing windows based applications since my technological forte is mostly Java. Where to kick off? (like which tools/IDEs to begin with since I am seriously into writing my own utilities/tools). I am open to clarification should you guys feel my question is vague/blunt. Thanks.

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• Field annotated multiple times by the same attribute

  - by Jaroslaw Waliszko

  For my ASP.NET MVC application I've created custom validation attribute, and indicated that more than one instance of it can be specified for a single field or property: [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = true)] public sealed class SomeAttribute: ValidationAttribute I've created validator for such an attribute: public class SomeValidator : DataAnnotationsModelValidator<SomeAttribute> and wire up this in the Application_Start of Global.asax DataAnnotationsModelValidatorProvider.RegisterAdapter( typeof (SomeAttribute), typeof (SomeValidator)); Finally, if I use my attribute in the desired way: [SomeAttribute(...)] //first [SomeAttribute(...)] //second public string SomeField { get; set; } when validation is executed by the framework, only first attribute instance is invoked. Second one seems to be dead. I've noticed that during each request only single validator instance is created (for the first annotation). How to solve this problem and fire all attributes?

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• New to VS.net (VB.net) 2008. Windows 7 aero glass stuff.

  - by StealthRT

  Hey all, i have been using VB.net 2008 for a few months and i have a question. I compiled my program and ran it in a VM running windows 7. However, the progress bar looks like it does in XP. It doesn't have that cool look to it like I've seen in many other programs running in windows 7. I have downloaded the 3.5 .net framework with sp1 and also the sdk for windows 7 (1.4+ gb dvd) but i still see nothing. Is there a check-box i am missing in VS 2008 to enable these types of features? Maybe some type of code i need to place in the program? Thanks! David

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• Problems loading controller from url with codeigniter?

  - by Cody Short

  I'm currently in the process of putting up my first website for public use. I am using the codeigniter framework in order to do this, but I am having trouble loading the controllers from the url. I currently have the default codeigniter installment that you download trying to get things to work. The controller welcome is loaded by default, but when I try to load it through the url it doesn't work. I was having the same problem with the site that I had uploaded earlier. The site is located at this link any help on this would be appreciated.

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• Popup control from dll in web page

  - by Argons

  I'm developing a kind of framework that will work in web and win, so I have this interface: public interface IViewsManager { ... void ShowMessage(); ... } And I have the implementation for win that call a popup control from another dll. My problem is when I try to implement it for web enviroment, I have to call a popup control from another dll, and I would like to show the popup and the web page disables with a gray layer, and I don't know how to do it. Please, any help will be appreciated. Thanks in advance.

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• Java training for .NET developers?

  - by C Keene

  We are working with a large retail bank on training 40-50 .Net developers to use Java. They are familiar with C# and .Net framework and have built dozens of "run the business" style apps in .Net. We need advice on how to provide basic Java familiarity, with a focus on back end logic, security and transaction management. Back end is Spring/Hibernate, front end is Ajax (Dojo). Are there any online, self-paced, Java courses that would be good for C#/.Net developers to get up to speed quickly?

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• Inheriting and overriding interfaces in C#

  - by Daniel A. White

  Please note: I am writing this question. I have these interfaces in a library/framework I am working on: interface IRepository<TKey,TModel> { void Remove(TModel entity); } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { } and these implementations class Repository : IRepository { void Remove(TModel entity) { // actually Delete } } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { }

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• How to load the whole content of a page into another window?

  - by Cristian Castiblanco

  I'm building a Dashboard and for some stupid reasons my boss wants to load it in a frame on the homepage (yes a frame, he still lives in the 1990s). Anyway, sometimes the dashboard needs some room so that it can show all charts correctly, so I want to add a feature to load the content of the dashboard into a new window. The problem is that, if the user has had some interaction with the dashboard, it will contain modal dialogs, new images, etc... so I want to load all the dashboard content into a new window without reloading its content. Of course, the user should be able to continue browsing the dashboard without problems. How can I do that? I'm using jQuery as my JavaScript framework.

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• [C#] Creating standalone, console (shell) for domain-specific operations

  - by mr.b

  Say that I have a system service, and I want to offer a low-level maintenance access to it. For that purpose, I'd like to create a standalone, console application that somehow connects to server process and lets user type in commands, allow it to use auto-completion and auto-suggestion on single/double TAB press (just like linux bash shell, mysql cli, cmd.exe, and countless others), allow command line editing capabilities (history, cursor keys to move around text..), etc. Now, it's not that much of a problem to create something like that by rolling my own from scratch, handling user input, scanning pressed keys, and doing correct actions. But, why reinvent the wheel? Is there some library/framework that helps with this kind of problems, just like readline library that offers improved command-line editing capabilities under linux? Of course, this new "shell" would respond only to valid, domain-specific commands, and would suggest valid arguments, options, switches... Any ideas? Thanks!

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• MVC: Structuring Feed Output

  - by Brian Wigginton

  The framework I'm using on my project follows the MVC Pattern. I"M building JSON feeds and need to structure them in a different way then what the system gives me by default from the ORM. Where should I be handling the task of mangling and shaping my data that I'll serve up, in the model, view or controller? Right now I'm doing it in my controller, then passing that data to the view. I can see this fitting better under the Model or the View but not sure which one.

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• compromised site

  - by pinniger

  So, I have a web site that has been compromised twice in two weeks. every index.php and .js file gets a script injecting into the source code of the file. The problem is that I have no idea how they're doing it. I've seen this done via sql injection before, but I don't know how they are actually writing to the file. I've dug through the Apache logs but didn't find anything interesting. The site is built using the cakephp framework on a godaddy shared server. Anybody know what secturity settings or log files to check to see how they are doing this?

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• PHP Guideline required

  - by user160820

  I am interested in learning PHP, but the books that I read are in procedural style and the source code that I try to reay are also mixtures of SQL,PHP and HTML. My Background is from Java. What I want to learn is PHP really with seprate Layers. Database Layer, Controller and View but I don't want to use any Framework. I also have fried some OOP PHP books, but they not what I am lloking for. What I need is a book or any Document that develops a sample website in pure PHP but in OOP style. Any Help. Thanks a lot in advance.

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• Development Applications on big devices vs mobile phones: Similarities/Disimilarities

  - by Richard77

  Hello, I saw a news document on applications running in mobile devices. And, I believe that might be interesting for people where I live (Internet is not developed - but the cellphone networks are much better). So here are my questions: Where can I find documentation for beginners on that matter (And most importantly) Am I gonna be able to take advantage of acquired knowledge in .NET framework (C#, MVC, JQuery, XHTML, ...)? Am I gonna need my laptop or a special device to develop applications? Am I gonna need Visual Studio? And so on... Bref, What are similarities/dissimilarities between developments for applications running in big machines and those running on mobile phones? Thanks for helping

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• how to implement a web site like youtube?

  - by ranganaMIT

  Hi Guys, I'm doing a language web site for my university language center, where students login and see videos to learn English. i have to do it like this, person is logging in to the system, search using a search area and find the details,lessons and videos relevant to that videos. this functionality exactly matches the youtube scenario. for implementing twitter like functionality we can use status-net, is there a similer library, statusnet like famous implementation for youtube or a some kind of platform or a framework like codeigniter that we can use to implement youtube like site very easily?? please suggest some options?? a open source one or a commercial one ??? and what is the best video format to use in a such web site?? flv?? mp4?? or mov??? regards, Rangana

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• Crossplatform development for iPhone & Android

  - by LeonixSolutions

  As far as I can see there doesn't seem to any mature environment for crossplatform development for iPhone & Android slate (but feel free to correct me). I don't know Ipad, I must admit. Any reason why plain Java wouldn't cut it? (maybe underlying things like database (I am not too concerned with hardware)) I am thinking to try to make everything browser based, although that won't get around the d/b & h/w issues, unless there is JS framework that does so. Any advice?

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• Rails botches the SQL on a complex save

  - by Dan B

  Hi, I am doing something seemingly pretty easy, but Rails is messing up the SQL. I could just execute my own SQL, but the framework should be able to handle this. Here is the save I am trying to perform: w = WhipSenVote.find(:first, :conditions => ["whip_bill_id = ? AND whip_sen_id = ?", bill_id, k]) w.votes_no = w.votes_no - 1 w.save My generated SQL looks like this: SELECT * FROM "whip_sen_votes" WHERE (whip_bill_id = E'1' AND whip_sen_id = 7) LIMIT 1 And then: UPDATE "whip_sen_votes" SET "votes_yes" = 14, "updated_at" = '2009-11-13 19:55:54.807000' WHERE "id" = 15 The first select statement is correct, but as you can see, the Update SQL statement is pretty wrong, though the votes_yes value is correct. Any ideas? Thanks!

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• Passing NULL values into mysql Stored procedure

  - by McNabbToSkins

  I am trying to pass a few NULL values to a stroed procedure but PHP always retains the varaibles to be empty strings '' and not NULL. My DB insert function looks like this. (I am using a Framework and ADODB so if it looks weird thats why). function insert_emp($f_name, $last_name, $dob) { if(!isset($dob)){ $dob = NULL; } $this->DB->setConnection("CALL insert_emp('$f_name', '$l_name', '$dob')"); } I have ensured that $dob is being passed an empty string ''. But for some reason when it calls the stored proc it is not changed to NULL. dob is a datetime field and mysql complains that you can not enter an empty string as a DATETIME. If I hard code the insert such as this $this->DB->setConnection("CALL insert_emp('Test1', 'Test2', 'NULL')"); it will work. Thanks for the help.

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