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  • c#Repository pattern: One repository per subclass?

    - by Alex
    I am wondering if you would create a repository for each subclass of a domain model. There are two classes for example: public class Person { public virtual String GivenName { set; get; } public virtual String FamilyName { set; get; } public virtual String EMailAdress { set; get; } } public class Customer : Person { public virtual DateTime RegistrationDate { get; set; } public virtual String Password { get; set; } } Would you create both a PersonRepository and a CustomerRepository or just the PersonRepository which would also be able to execute Customer related queries?

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  • C# Access the Properties of a Generic Object

    - by Jimbo
    I have a method that counts the number of Contacts each Supplier, Customer and Manufacturer has (this is a scenario to try make explaining easier!) The models are all created by Linq to SQL classes. Each Supplier, Customer and Manufacturer may have one or more Contacts public int CountContacts<TModel>(TModel entity) where TModel : class { return entity.Contacts.Count(); } The above of course doesnt work, because the 'entity' is generic and doesnt know whether it has the property 'Contacts'. Can someone help with how to achieve this?

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  • MVC2 DataAnnotations validation with inheritance

    - by bhiku
    Hi, I have a .NET 2.0 class the properties of which are marked virtual.I need to use the class as a model in a MVC2 application. So, I have created a .NET 3.5 class inheriting from the .NET 2.0 class and added the DataAnnotations attributes to the overriden properties in the new class. A snippet of what I have done is below // .NET 2.0 class public class Customer { private string _firstName = ""; public virtual string FirstName { get { return _firstName; } set { _firstName = value; } } } // .NET 3.5 class public class MVCCustomer : Customer { [Required(ErrorMessage="Firstname is required")] public override string FirstName { get { return base.FirstName; } set { base.FirstName = value; } } } I have used the class as the model for a MVC2 view using the HtmlFor helpers. Serverside validation works correctly but the client side validation does not. Specifically the validation error is not displayed on the page. What am I missing, or is it only possible to do this using buddy classes. Thanks.

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  • Returning IQueryable or Enumerated Object

    - by Tarik
    Hello everyone, I was wondering about the performance difference between these two scenarios and what could the disadvantages be over each other? First scenario : public class Helper //returns IQueryable { public IQueryable<Customer> CurrentCustomer { get{return new DataContext().Where(t=>t.CustomerId == 1); } } public class SomeClass { public void Main() { Console.WriteLine(new Helper().CurrentCustomer.First().Name; } } The second scenario : public class Helper //returns Enumerated result { public Customer CurrentCustomer { get{return new DataContext().First(t=>t.CustomerId == 1); } } public class SomeClass { public void Main() { Console.WriteLine(new Helper().CurrentCustomer.Name; } } Thanks in advance.

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  • How to properly use glDiscardFramebufferEXT

    - by Rafael Spring
    This question relates to the OpenGL ES 2.0 Extension EXT_discard_framebuffer. It is unclear to me which cases justify the use of this extension. If I call glDiscardFramebufferEXT() and it puts the specified attachable images in an undefined state this means that either: - I don't care about the content anymore since it has been used with glReadPixels() already, - I don't care about the content anymore since it has been used with glCopyTexSubImage() already, - I shouldn't have made the render in the first place. Clearly, only the 1st two cases make sense or are there other cases in which glDiscardFramebufferEXT() is useful? If yes, which are these cases?

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  • Nhibernate equivalent of LinqToEntitiesDomainService in RIA

    - by VexXtreme
    Hi, When using Entity Framework with RIA domain services, domain services are inherited from LinqToEntitiesDomainService, which, I suppose, allows you to make linq queries on a low level (client-side) which propagate into ORM; meaning that all queries are performed on the database and only relevant results are retrieved to the server and thus the client. Example: var query = context.GetCustomersQuery().Where(x => x.Age > 50); Right now we have a domain service which inherits from DomainService, and retrieves data through NHibernate session as in: virtual public IQueryable<Customer> GetCustomers() { return sessionManager.Session.Linq<Customer>(); } The problem with this approach is that it's impossible to make specific queries without retrieving entire tables to the server (or client) and filtering them there. Is there a way to make linq querying work with NHibernate over RIA like it works with EF? If not, we're willing to switch to EF because of this, because performance impact would be just too severe. Thanks

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  • Entity Framework and consuming a WCF service

    - by nakori
    I'm getting data where the database is hidden behind a WCF service. Is it possible to use Entity Framework in a scenario where I have custom objects coming from a web service? (No access to the external database, and no current plans for insert/update/delete logic) Starting with an empty EF model and adding an entity I get this error on compile: No mapping specified for instances of the EntitySet and AssociationSet in the EntityContainer .. Is it possible to make an entity this way, and fill it with data received from an object? (In this case a WCF, but could also be a predefined model class/xml data) If the web service retured a Customer object I could do something like this with a dataset: Make an unbound table and do a loop through the customer properties adding them to a temp row, add it with tbl_Customer.Addtbl_CustomerRow(customerRow) to get my view filled. thanks, nakori

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  • Regex: replace inner string

    - by AllenG
    I'm working with X12 EDI Files (Specifialy 835s for those of you in Health Care), and I have a particular vendor who's using a non-HIPAA compliant version (3090, I think). The problem is that in a particular segment (PLB- again, for those who care) they're sending a code which is no longer supported by the HIPAA Standard. I need to locate the specific code, and update it with a corrected code. I think a Regex would be best for this, but I'm still very new to Regex, and I'm not sure where to begin. My current methodology is to turn the file into an array of strings, find the array that starts with "PLB", break that into an array of strings, find the code, and change it. As you can guess, that's very verbose code for something which should be (I'd think) fairly simple. Here's a sample of what I'm looking for: ~PLB|1902841224|20100228|49KC15X078001104|.08~ And here's what I want to change it to: ~PLB|1902841224|20100228|CSKC15X078001104|.08~ Any suggestions?

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  • How to detect changes to Address Book after ABPersonViewController presentation

    - by nkhorman
    I have two view controllers that allow changes to the Address Book. The first one lets you add or create an entry based on an ABRedordRef or edit an existing ABRecordRef, by presentation of either ABUnknownPersonViewController or ABPersonViewController. The second one is a standard ABPeoplePickerNavigationController that allows you to view/edit any of the contents of the Address Book. Both views are accessible easily accessible to the use via the main application UITabBarController. How can I determine that changes were made by either view controller, so that I can force data dependency changes to a third separate view controller. I thought that I saw a notification center message that I could subscribe to, but I can't seem to find it again... I don't care if the notification center is the method that should be used, or a delegate protocol or... whatever, I don't care, I just need to know how to detect the change or the need to re-sync with the Address Book. Can someone Please point me in the right direction. Thank you.

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  • Which is a good opensource user management system?

    - by Lost_in_code
    I'm new to php/mySQL and am trying to create a website which will allow users to register. In future, there will be a paid content area where content will be shown based on the payment status. Is there a good opensource lightweight framework which takes care of the user management part? (Register, edit user info, retrieve lost password etc). I'm a flash platform developer and not aware of how to take care of stuff like session hijacking, XSS etc. Should I go ahead and learn to do all this on my own, without using any framework? I thought of using Wordpress' user management system, but not sure how easy that would be. Any suggestion would be great.

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  • Inform Activity from a BroadcastReceiver ONLY if it is in the foreground

    - by Zordid
    Hi there! Maybe it's easy, but I couldn't really figure this out right so far... I got a BroadcastReceiver waiting to get triggered by the AlarmMangager - this works fine. Now: because the event, if it occurs, needs to refresh some elements on screen of the main Activity, I would like to send an Intent from that background BroadcastReceiver to my Activity - but only if it is currently in the foreground, aka active. If it is not running or not visible, I don't care - and the last thing I want to do is start the Activity by my intent! I handle repainting of the views in my onResume method, so I don't care at all. Any hints on how to do that? Thanks! EDIT: my BroadcastReceiver is waiting for alarms that must be notified to the user. So, it must be there and declared in the manifest. The problem is: it will have to decide whether the mentioned Activity is currently up in front or not.

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  • Magento with Mailchimp -----adding checkboxes programmatically

    - by luke
    Hi there, I have just created a mailchimp account and I have one question. I'm quite new to mailchimp. In my customer dashboard (of magento) i want to create a list subscribe form. Now I have a list of checkboxes that i run using a for next loop. I want to put these checkboxes in my mailchimp form and according to what the customer choices, the mailchimp list is updated. Ex. I have various categories (Apparel, furniture etc) these are set up from Magento backend and they have to be dynamic. These checkboxes are set up in a table. In Mailchimp I want to create user lists or one list with a group containing sub categories, that are created by my Magento code. I was wondering if this is possible. Your help would be very much appreciated. Regards, Luke

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  • Asynchronous PHP request (not AJAX)

    - by Renjith R
    Hi I am developing an eshop application. I am using webservice to create Order in Oracle database and websvc will give a response (OrderNumber) and I will inform customer that his Order (OrderNumber) is generated My problem The creation of order is taking too much time in backend system and user is keeping refreshing the page, On each refresh user is coming back to Order create Page, so user is able to click on create Order button again In such cases multiple orders are creating for same orderlines.I can restrict user to create only one order per session in case I got order number in websvc response and I can give ordernumber to customer in next page But real problem come when I didn't get response(Ordernumber) and user is refreshing page. request is already went to Backend system and it will create order and my applicaion will not get response Is there any method in PHP where we can asyncronously check the status of order if first request is initiated by user and it doesn't matter the furthur page navigation Please help me out.. Thanks in advance

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  • WPF/MVVM: How can I use several CollectionView`s for aggregated entities ?

    - by msfanboy
    Hello, I have a Customer with Orders and those have products. Everything aggregated with collections of type ObservableCollection. All 3 collections are bound to a datagrid/combobox. I can only make the root collection (ObservableCollection Customers{ get;set;} ) passing to a CollectionView so I can move the current customer within the combobox. But how can I move around the current Order in the datagrid? How to pass the selected Orders to another CollectionView ? Does all this maybe not work?

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  • Methods of providing custom reports for an asp.net application

    - by Jarrod
    In our windows application, we used crystal reports. If a customer needed a custom report, we could create it and then send them the rpt file. The customer would then simply add the report file to a custom folder, and could access it directly from our application. Using a web app, how is this possible. It seems like anything created, using ssrs, crystal, or even telerik reporting must be embedded. What are some methods for providing custom reports to users of an asp.net web application?

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  • Crystal Report, Group based Summary at report footer

    - by yesosuresh
    HI, Is it possible to display summary of a group at the report footer ? Let me explain the scenario. I've to create the following kind of report: Client Amount Currency Customer 123: WWWW 300 SGD XXXX 400 SGD YYYY 200 USD ZZZZ 300 USD Customer 456: W1W1 300 SGD X1X1 400 SGD Y1Y1 200 USD Z1Z1 300 USD . . . . . At the report footer, I need to show the following: Grand total: USD 1000 Grand total: SGD 1400 Need to display grand total of amount by Currency at Report footer.Is it possible to do in Crystal report? I'm using crystal report version 11. Could anyone suggest me a solution ?

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  • How to customize a many-to-many inline model in django admin

    - by Jonathan
    I'm using the admin interface to view invoices and products. To make things easy, I've set the products as inline to invoices, so I will see the related products in the invoice's form. As you can see I'm using a many-to-many relationship. In models.py: class Product(models.Model): name = models.TextField() price = models.DecimalField(max_digits=10,decimal_places=2) class Invoice(models.Model): company = models.ForeignKey(Company) customer = models.ForeignKey(Customer) products = models.ManyToManyField(Product) In admin.py: class ProductInline(admin.StackedInline): model = Invoice.products.through class InvoiceAdmin(admin.ModelAdmin): inlines = [FilteredApartmentInline,] admin.site.register(Product, ProductAdmin) The problem is that django presents the products as a table of drop down menus (one per associated product). Each drop down contains all the products listed. So if I have 5000 products and 300 are associated with a certain invoice, django actually loads 300x5000 product names. Also the table is not aesthetic. How can I change it so that it'll just display the product's name in the inline table? Which form should I override, and how?

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  • Scanf with Signals

    - by jreid42
    I have a signal that blocks SIGINT and basically says "Sorry, you can't quit.\n" The issue is this can occur during a scanf. When this occurs during a scanf, scanf takes in the printf as input. How can I do a printf that will cause scanf to basically hit the enter key automatically. I don't care that I am getting bad input. I just want to programatically finish that scanf with a printf or something else. Process: scanf("get stuff") - User is able to enter stuff in. - SIGINT occurs and goes to my handler. - Handler says "Blah blah blah" to stdout. - Scanf has taken this blah blah blah and is waiting for more input. How do I make it so that when I return scanf is finished (don't care what it has gathered I just want it to continue without user help).

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  • Use Any() and Count() in Dynamic Linq

    - by ArpanDesai
    I am trying to write dynamic Linq Library query to fetch record on condition, Customers who has order count is greater than 3 and ShipVia field equal 2. Below is my syntax what i have tried. object[] objArr = new object[10]; objArr[0] = 1; IQueryable<Customer> test = db.Customers.Where("Orders.Count(ShipVia=2)", objArr); and IQueryable<Customer> test = db.Customers.Where("Orders.Any(ShipVia=2).Count()", objArr); But both are not working. In second query Any returns true so it won't work with Count. Suggest me a way to implement this.

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  • Undefined Results in jQuery Autocomplete

    - by CreativeNotice
    So I've got the latest versions of jQuery and UI running. I'm using the basic autocomplete invocation and returning valid JSON (validated via JSONLint). $("input#cust_id").autocomplete({ source: yoda.app.base + "/assets/cfc/util/autocomplete.cfc?method=cust", minLength: 2, select: function(event, ui) { log(ui.item ? ("Selected: " + ui.item.value + " aka " + ui.item.id) : "Nothing selected, input was " + this.value); } }); Both the value and label elements of the returned array show up in the list as undefined. I can watch the results returned via Firebug and the JSON is correct there as well. Also, while the list only says "undefined" it does say that the same number of times as records returned in JSON. [{"VALUE":"custid1","LABEL":"My Customer Name 1"},{"VALUE":"custname2","LABEL":"My customer name 2"}]

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  • Python 2 vs Python 3 and Tutorial

    - by MR-J
    Hey guys. I am 12 years old and I have had a small amount of experience with BASIC. I am thinking about learning Python, but I’m not sure if I should learn the 2.6 version or the 3.0 version. I don’t really care about the support for libraries or anything along those lines quite yet. I was wondering if it is easier to code in 3.0 than 2.6. And is it more fun and productive? I would also appreciate it if you could point me in the right direction for a simple yet complete tutorial that is easy to understand and possible teaches Object Oriented Programing. I don’t really care if it teaches OOP or not. One more thing; if I do learn python, is it possible to easily compile a python source code file into a 'stand-alone' .exe file for Windows? I really liked that functionality in BASIC. Thanks!!!!

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  • WPF: Sort of inconsistence in the visual appearence of WPF controls derived by Selector class

    - by msfanboy
    Hello, focused items == selected items but selected items != focused items. Have you ever wondered about that? Do you specially style the backcolor of a focused/selected item ? I ask this question because a user has an enabled button because some customer items are selected. The user is wondering now "why the heck can I delete this customers (button is enabled...) when I have just clicked on the orders control selecting some orders ready to delete (button is enabled too). The thing is the selected customer items are nearly looking grayed out in the default style... Well its sort of inconsistence to the user NOT to the programmer because WE know the behavior. Do you cope with stuff like that?

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  • ASP.NET FormsAuthentication Cookie Problem

    - by Niels Bosma
    We use FormAuthentication to manage logins and I have a case where a customer complains where he can login from one computer but to from another. I can see in my logs that his authentican is successfull but he gets bumped back to the login page. I can reproduce the symptons by disabling cookies so I asked the customer to test if cookies are enabled on http://www.tempesttech.com/cookies/cookietest1.asp, but this came out positive. What have I missed? Is there any antivirus/security software that can mess up (ASP.NET) cookies? The user is using IE7 and claims to have F-secure installed.

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  • Legally use CDATA in XML

    - by idazuwaika
    Hi, I have an XML file which XML parser choke on. A part of it is : <closedDeal><customer><![CDATA[ABC ]]></customer></closedDeal> The error I got is The literal string ']]>' is not allowed in element content. Error processing resource What is the correct way of using CDATA? I need CDATA because the data is read from Excel, and could contain illegal character such as ALT+ENTER whitespace. Please help. Thanks.

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  • LINQ OrderBy: best search results at top of results list

    - by p.campbell
    Consider the need to search a list of Customer by both first and last names. The desire is to have the results list sorted by the Customer with the most matches in the search terms. FirstName LastName ---------- --------- Foo Laurie Bar Jackson Jackson Bro Laurie Foo Jackson Laurie string[] searchTerms = new string[] {"Jackson", "Laurie"}; //want to find those customers with first, last or BOTH names in the searchTerms var matchingCusts = Customers .Where(m => searchTerms.Contains(m.FirstName) || searchTerms.Contains(m.LastName)) .ToList(); /* Want to sort for those results with BOTH FirstName and LastName matching in the search terms. Those that match on both First and Last should be at the top of the results, the rest who match on one property should be below. */ return matchingCusts.OrderBy(m=>m); Desired Sort: Jackson Laurie (matches on both properties) Foo Laurie Bar Jackson Jackson Bro Laurie Foo How can I achieve this desired functionality with LINQ and OrderBy / OrderByDescending?

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