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• Avoid Internet Explorer Warning when embedding Youtube on HTTPS site?

  - by pellepim

  On a HTTPS site embedding youtube clips works great in all browser, except Internet Explorer where I get this famous little warning message: "Do you want to view only the webpage content that was delivered securely? This page contains content that will not be delivered using a secure HTTPS ... etc" I've tried to solve this in several ways. The most promising one was to use the ProxyPass functionality in Apache to map to YouTube. Like this: ProxyPass: /youtube/ http://www.youtube.com ProxyPassReverse: /youtube/ http://www.youtube.com This gets rid of the annoying warning. However, the youtube SWF fails to start streaming The SWF i manage to load into the browser simply states : "An error occurred, please try again later". Potential solutions are perhaps: Download youtube FLV:s and serve them out of own domain (gah) Use custom FLV-player and stream only FLV:s from youtube over a https proxy?

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• Reasons not to use MVC architecture for web application

  - by jaywon

  In the past I have primarily built all my web applications using an N-tier architecture, implementing the BLL and DAL layers. Recently, I have started doing some RoR development as well as looking into ASP.NET MVC. I understand the differences between the different architectures(as referenced by some other SO posts), but I can't really think of any reasons why I wouldn't choose an MVC model going forward. Is there any reasons/times in your experience when an MVC architecture would not be suitable, or any reasons why you would choose a BLL/DAL architecture instead?

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• Cross Thread Exception in PropertyChangedEvent in WPF

  - by Ashish Ashu

  I have a ListView that is binded to my custom collection. At run time , I am updating the certain properties of my entity in my custom collection in my ViewModel. At the same time , I am also doing the custom sorting in the listview. The custom sorting is applicable when I click on the any column header of the listview. For example, I am updating the current datetime on my entity on every 5 seconds and simulaneously , I am applying custom sorting based on DateTime. (The Listview is third party control). Hence I am doing two operations on my custom collection at the same time. Should I pass the dispatcher of my control in the view model and call any methods ( which updates any entity in my custom collection ) through UI dispatcher ?

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• Visual Studio 2008/2010 & SQL Server 2008 on Windows 7 Home Premium

  - by Steve

  Are there any limitations with respect to developing ASP.NET and WPF apps using VS 2008/2010 and SQL Server 2008 on Windows 7 Home Premium? I know you can run IIS 7.5 on Home Premium. I Googled and Binged on Home Premium and VS/SQL Server and couldn't find much. It doesn't look like the features missing from Home Premium, domain joining, xp mode, etc... shouldn't prevent one from running and developing in VS/SQL Server. Update I did discover one limitation w/IIS 7.5 and it applies to all versions of Windows 7 I think. You can't create your own self signed SSL certificate specifying a name other than the machine name. You're stuck with your machine name which isn't that big a deal, but it is a change from previous versions.

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• Retrieve checkbox values in viewmodel

  - by Dean Ouellette

  This question has been asked many times but none that I really understand. I have a checkbox list in a generated table. I want to submit the form and retrieve the checkbox values and capture the checked boxes. In the view: <% foreach (var item in Model.Results) { % <%= Html.CheckBox("selectedItem", new { value = item.ItemId })% <% } % In the viewmodel, how should I declare "selectedItem"? as a Inumerable, Int[], .... In the controller I want the viewmodel to contain the list of objects that are selected,so I can submit to the database. Thanks, Dean

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• SNMP: ASN.1 MIB Definitions. Referencing a table within a table

  - by Doug

  Its's been a while since I've written ASN.1 so.. Our data model is comprised of several table definitions within a table. This is not workable in SNMP, so we need to flatten the definitions. The easiest way to do this would be to have the embedded table indexed by the same OID as the parent table. Thus someTableEntry ::= SEQUENCE { someTableIndex Integer32, someTableDomain Integer32, someTableFooTable SEQUENCE OF SomeTableFooTable } becomes someTableEntry ::= SEQUENCE { someTableIndex Integer32, someTableDomain Integer32, } someTableFooTable ::= SEQUENCE { someTableIndex Integer32, .... } The good thing is that in our application there will NEVER be any kind of SET, GET or GET NEXT so no need for SNMP walk (there are some very good reasons for this that supersede the need for network management elegance. All attributes will be reported via traps only. I think this is a valid SNMP MIB definitions but wanted to get some feedback. Thanks in advance.

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• Validate password on change of certain fields in RoR

  - by Micke

  Hello, I am building a RoR app, a community. With a User model and some fields. So when a user is updating a certain field, like His/Hers berthday. Then i want to validate that the User typed in the password that is the same in the Database. So I know that it is the right user trying to change the birthday. So i ask you how i can create shuch a validator. Allso i would like to be able to specify an array of which fields the user has to validate the password to change. Ps. I am using RoR3. If it mathers. Thanks, Micke

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• Displaying desired properties from search results with grails compass

  - by ombud

  Hi, I've been stumped with the problem of displaying a selected set of properties returned as a result via a Compass query in grails. I have 300 columns in my domain class and what I'd like to do is to return ONLY THOSE values I specify (around 10 - 15 properties/fields/columns). All the 300 columns have been indexed, btw. I know I can do this using Lucene by cycling through returned hits and selectively calling a=getField(column_name), et c. My qiuestion is, how do I do the same thing using thee Compass Grails plugin ? Any help will gratefully be appreciated. Thanks in anticipation, Ombud

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• Attach and upgrade TFS 2005 databases to a TFS 2008 installation

  - by henriksen

  I have a Windows server 2008 with SQL 2008 and TFS 2008 installed. And I have another box with SQL 2005 and TFS 2005 installed. Does anyone know of a way I can just transfer the databases (or data in another way) from TFS 2005 to TFS 2008. Any data on the 2008 box can be deleted. The machines are not in a domain so all accounts are local. So I'll have to fix that afterwards, but that's managable. Basically, can I attach the databases and run an upgrade command?

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• Is there such a thing as a virtual COM port receipt printer?

  - by Blorgbeard

  I'm debugging some code that writes directly to a COM port in order to print receipts on a receipt printer. The printer model is something like an Epsom TM-88. Instead of printing reams of thermal paper while debugging this code, it would be nice if I could use some kind of virtual printer. Like PDFCreator or FinePrint, but with a virtual COM port instead of a virtual windows printer. Does anyone know of such a thing? Edit: The code sends control characters to get bold text and other formatting. I'd like to see this in the output if possible.

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• Nhibernate Criteria Ignore Child Collection

  - by CocoB

  I have a simple one to many association in my model. The parent class has a collection of children. In the mapping files, the association is a one to many, eager-loaded, using fetchmode.join. This works fine, but how can I write a criteria query but NOT trigger the loading of the child collection? In other words, I want to query the parent and not have it generate the join in the resulting sql. I tried setting the fetch mode to lazy, but in that case Nhibernate generates two separate queries. I don't want the table for child queried at all.

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• Active Directory Group Members Issue

  - by kombsh

  Hi friends, I am using the below code to get the members from a group. private static List<string> GetGroupMembers(string groupName) { Tracer.LogEntrace(groupName); List<string> retVal = new List<string>(); GroupPrincipal groupPrincipal = GroupPrincipal.FindByIdentity (new PrincipalContext(ContextType.Domain), IdentityType.SamAccountName, groupName); PrincipalSearchResult<Principal> principleSearchResult = groupPrincipal.GetMembers(true); if (principleSearchResult != null) { try { foreach (Principal item in principleSearchResult) { retVal.Add(item.DistinguishedName); } } catch (Exception ex) { Tracer.Log(ex.Message); } } else { //Do Nothing } Tracer.LogExit(retVal.Count); return retVal; } It works well for all groups but when its come to Users group i am getting the below error "An error (87) occurred while enumerating the groups. The group's SID could not be resolved." Can any one help regarding this one.

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• In App Purchase - can get product info but can't connect to itunes for purchase

  - by Greg

  I'm trying to make "In App Purchase " works in my iphone app. I created some products and a few test accounts in itunes connect. I have no problem to retreive the products data (prices etc..) but when I try to make a payment - I am asked to log in - I use a test account - the transaction always fail with the following error : failedTransaction with error : Error Domain=SKErrorDomain Code=2 "Connexion à l’iTunes Store impossible" UserInfo=0x65d02a0 {NSLocalizedDescription=Connexion à l’iTunes Store impossible} I tried with several products and test account (even in other stores like us) but I still get the same error... NB : I think it worked fine the first time I tried but never still Any idea will be welcome ! Thanks

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• Fat ASP.NET MVC Controllers

  - by Mosh

  Hello, I have been reading about "Fat Controllers" but most of the articles out there focus on pulling the service/repository layer logic out of the controller. However, I have run into a different situation and am wondering if anyone has any ideas for improvement. I have a controller with too many actions and am wondering how I can break this down into many controllers with fewer actions. All these actions are responsible for inserting/updating/removing objects that all belong to the same aggregate. So I'm not quiet keen in having a seperate controller for each class that belongs to this aggregate... To give you more details, this controller is used in a tabbed page. Each tab represents a portion of the data for editing and all the domain model objects used here belong to the same aggregate. Any advice? Cheers, Mosh

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• Unit Testing in ASP.NET MVC: Minimising the number of asserts per test

  - by Neil Barnwell

  I'm trying out TDD on a greenfield hobby app in ASP.NET MVC, and have started to get test methods such as the following: [Test] public void Index_GetRequest_ShouldReturnPopulatedIndexViewModel() { var controller = new EmployeeController(); controller.EmployeeService = GetPrePopulatedEmployeeService(); var actionResult = (ViewResult)controller.Index(); var employeeIndexViewModel = (EmployeeIndexViewModel)actionResult.ViewData.Model; EmployeeDetailsViewModel employeeViewModel = employeeIndexViewModel.Items[0]; Assert.AreEqual(1, employeeViewModel.ID); Assert.AreEqual("Neil Barnwell", employeeViewModel.Name); Assert.AreEqual("ABC123", employeeViewModel.PayrollNumber); } Now I'm aware that ideally tests will only have one Assert.xxx() call, but does that mean I should refactor the above to separate tests with names such as: Index_GetRequest_ShouldReturnPopulatedIndexViewModelWithCorrectID Index_GetRequest_ShouldReturnPopulatedIndexViewModelWithCorrectName Index_GetRequest_ShouldReturnPopulatedIndexViewModelWithCorrectPayrollNumber ...where the majority of the test is duplicated code (which therefore is being tested more than once and violates the "keep tests fast" advice)? That seems to be taking it to the extreme to me, so if I'm right as I am, what is the real-world meaning of the "one assert per test" advice?

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• Where to find good 3d articles for wpf?

  - by Ankit Rathod

  Hello, I am beginner in WPF. I am basically a Silverlight guy and as i know it doesn't support the full real 3d model of WPF. I am getting interested in learning 3D in WPF. I googled up for WPF and i get very old links which are 3 years old back when WPF was known as Avalon. They may not be of any use in V4.0. Can anybody refer me some links where i can learn WPF 3D from basics? Thanks in advance :)

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• how do i call an overloaded action in .net mvc?

  - by Jeff Martin

  I have an overloaded action in my Controller: public ActionResult AssignList(int id) { ... } [AcceptVerbs((HttpVerbs.Get))] public ActionResult AssignList(int id, bool altList) { ... } I'd like to use the same partial view for both lists but it will potentially have a differently filtered list of Images. I am trying to call it from another view using RenderAction: <% Html.RenderAction("AssignList", "Image", new { id = Model.PotholeId, altList = true }); %> However I am getting the following error: The current request for action 'AssignList' on controller type 'ImageController' is ambiguous between the following action methods: System.Web.Mvc.ActionResult AssignList(Int32) on type UsiWeb.Controllers.ImageController System.Web.Mvc.ActionResult AssignList(Int32, Boolean) on type UsiWeb.Controllers.ImageController How can I call the specific overload?

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• CoreData many-to-many relationship NSPredicate Exceptions

  - by user307550

  I'm trying to model a Person/Team relationship. It's a many to many relationship since a person can belong to multiple teams and a team can have multiple people. As suggested by the doc I created an intermediate entity called TeamMember. I am now trying to run a query to see if I have a list of people, whether a pre-existing Team already exists for them so I'm not storing duplicate Teams in the database NSFetchRequest *request = [[[NSFetchRequest alloc] init] autorelease]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Team" inManagedObjectContext:[pm managedObjectContext]]; [request setEntity:entity]; NSPredicate *predicate = nil; predicate = [NSPredicate predicateWithFormat:@"ALL %K IN %@", @"teamMembers.person", players]; players is an NSSet of people that I'm trying to search I'm getting the following exception: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Unsupported predicate ALL teamMembers.person IN { (entity: Person; id: 0x1334470 ; data: { Ideally I would like them to match exactly and not just do an IN as well. Any help would be greatly appreciated

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• Entity Framework mant to many insert

  - by Jacob

  I've been playing around with Entity Framework v2 and added some code to insert new entity with many to many relationship , lets say this entity is called meeting. I add hours to meeting : meeting.Hours.Add(hour); and I get different errors on different occasions On Update : Cannot insert the value NULL into column 'Meetings_Id', table 'Plan.dbo.MeetingHour'; column does not allow nulls. INSERT fails. The statement has been terminated. On Inset : An item with the same key has already been added. But the tricky party is that if I add this manually trough SQL Server Management Studio , I can update the entity with the same value , clearing it first (meeting.Hour.Clear()) Can't see what could be the problem , maybe entity model isn't mapped correctly ?

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• Django App for Image heavy Magazine Publishing?

  - by stapler

  I'm about to begin work on a Django project for an image heavy non-profit "community arts" magazine. The magazine is published monthly with about 6-8 articles that include with 4-10 images. I've been looking around for other projects that people have started specifically for publishing in Django... Are there any publishing specific Django apps you'd recommend? At the moment the only thing I can find is django-newsroom which looks interesting. Currently I'm just Image Kit / Photologue to attach galleries to an Article Model... but I'd love to figure out a way to more fully integrate images into the article content. Thanks in advance

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• Rails eager loading

  - by Dimitar Vouldjeff

  HI, I have a Test model, which has_many questions, and Question, which has_many answers... When I make a query for a Test with :include = [:questions, {:questions = :answers}] ActiveRecord makes two more queries to fetch the questions and then to fetch the answers - it doesn`t join them!!! When I do the query with :joins ActiveRecord makes the query, but later when I need the Test.questions or Test.questions.answers ActiveRecord makes again those 2 extra queries!!! And later when I enumerate the questions or answers in the log I see other queries for each object, but it has Cache tag... Is this normal?

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• How to mock/stub calls to message taglib in Grails controller

  - by Dave

  I've got a Grails controller which relies on the message taglib to resolve an i18n message: class TokenController { def passwordReset = { def token = DatedToken.findById(params.id); if (!isValidToken(token, params)) { flash.message = message(code: "forgotPassword.reset.invalidToken") redirect controller: 'forgotPassword', action: 'index' return } render view:'/forgotPassword/reset', model: [token: token.token] } } I've written a unit test for the controller: class TokenControllerTests extends ControllerUnitTestCase { void testPasswordResetInvalidTokenRedirect() { controller.passwordReset() assert... } } Since the message taglib is called in the controller I get a MissingMethodException: groovy.lang.MissingMethodException: No signature of method: TokenController.message() is applicable for argument types: (java.util.LinkedHashMap) values: [[code:forgotPassword.reset.invalidToken]] Does anyone know the best way to get around this issue in a unit test? Ideally I would like to perform assertions on the message but right now I'd be happy if the test just ran! Thanks

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• Using a edit template without using Html.EditorFor()

  - by Mark Nijhof

  I have a date time picker combination in a edit template that can be used like Html.EditorFor(x = x.ETA) but now I want to use the same template somewhere where I don't have a model that contains a DateTime property. So I tried Html.Editor("DateWithTime", "Arrival") which uses the correct template, but doesn't assign a value to ViewData.ModelMetadata.PropertyName which is something that my template relies on. It sets the id of the textbox which is obviously important. Is there a way to render the template and assign a id value to the ViewData.ModelMetadata.PropertyName so I can re-use the logic in the template instead of having to copy it?

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• Java Meta Search Engine API

  - by Loki

  I'm currently researching Java libraries to help in building a meta type search engine in the sense of being able to replace any given search engine in the back-end of the application or to simultaneously search using multiple search engines. I'm not interested in the GUI part here, just the generalization of search engine APIs and usage. I'd like to know about the common libraries used to achieve this task and if there are any common patterns used in this case. I imagined that this problem is common enough to be able to find plenty of stuff on Google, but it seems like search is a very proprietary domain and not much information is fed back to the community.

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• Nasty deep nested loop in Rails

  - by CalebHC

  I have this nested loop that goes 4 levels deep to find all the image widgets and calculate their sizes. This seems really inefficient and nasty! I have thought of putting the organization_id in the widget model so I could just call something like organization.widgets.(named_scope), but I feel like that's a bad short cut. Is there a better way? Thanks class Organization < ActiveRecord::Base ... def get_image_widget_total total_size = 0 self.trips.each do |t| t.phases.each do |phase| phase.pages.each do |page| page.widgets.each do |widget| if widget.widget_type == Widget::IMAGE total_size += widget.image_file_size end end end end end return total_size end ... end

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