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• Spark view engine and ASP.NET MVC 2 strongly Typed Html Helpers

  - by dekko

  Hi. I try to use HtmlHelper.TextBoxFor with spark view engine but view crashed with exception "Dynamic view compilation failed. 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'TextBoxFor' and no extension method 'TextBoxFor' accepting a first argument of type 'System.Web.Mvc.HtmlHelper' could be found (are you missing a using directive or an assembly reference?)". It is my _global.spark: <use namespace="System"/> <use namespace="System.Linq"/> <use namespace="System.Text" /> <use namespace="System.Web.Mvc"/> <use namespace="System.Web.Mvc.Html"/> <use namespace="System.Web.Routing"/> <use namespace="System.Linq.Expressions" /> <use namespace="MyModels" /> In spark-view using: ${Html.TextBoxFor(m = m.UserName)}

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• Multiple choice list with custom view?

  - by Po

  I've seen example com.example.android.apis.view.List11 from ApiDemos. In that example, each row takes the view android.R.simple_list_item_multiple_choice. Each such view has a TextView and a CheckBox. Now I want each view to have 2 TextView's and 1 CheckBox, somewhat similar to the List3 example. I tried creating a custom layout file row.xml like this: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <CheckBox android:id="@+id/checkbox" android:layout_alignParentRight="true" android:layout_width="wrap_content" android:layout_height="fill_parent" /> <TextView android:id="@+id/text_name" android:textSize="13px" android:textStyle="bold" android:layout_toLeftOf="@id/checkbox" android:layout_alignParentLeft="true" android:layout_width="fill_parent" android:layout_height="wrap_content" /> <TextView android:id="@+id/text_phone" android:textSize="9px" android:layout_toLeftOf="@id/checkbox" android:layout_below="@id/text_name" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </RelativeLayout> Then in Activity.onCreate(), I do like this: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Query the contacts mCursor = getContentResolver().query(Phones.CONTENT_URI, null, null, null, null); startManagingCursor(mCursor); ListAdapter adapter = new SimpleCursorAdapter(this, R.layout.row, mCursor, new String[] { Phones.NAME, Phones.NUMBER}, new int[] { R.id.text_name, R.id.text_phone }); setListAdapter(adapter); getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); } The result kind of looks like what I want, but it looks like the list doesn't know which item of it is selected. Also, I need to click exactly on the checkbox. In the List11 example, I only need to click on the item row. So what do I need to do to make a multiple choice list with my custom view for each row? Many thanks.

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• Metalanguage like BNF or XML-Schema to validate a tree-instance against a tree-model

  - by Stefan

  Hi! I'm implementing a new machine learning algorithm in Java that extracts a prototype datastructure from a set of structured datasets (tree-structure). As im developing a generic library for that purpose, i kept my design independent from concrete data-representations like XML. My problem now is that I need a way to define a data model, which is basically a ruleset describing valid trees, against which a set of trees is being matched. I thought of using BNF or a similar dialect. Basically I need a way to iterate through the space of all valid TreeNodes defined by the ModelTree (Like a search through the search space for algorithms like A*) so that i can compare my set of concrete trees with the model. I know that I'll have to deal with infinite spaces there but first things first. I know, it's rather tricky (and my sentences are pretty bumpy) but I would appreciate any clues. Thanks in advance, Stefan

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• Animate change of view background color in Android

  - by hgpc

  How do you animate the change of background color of a view in Android? For example: I have a view with a red background color. The background color of the view changes to blue. How can I do a smooth transition between colors?

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• Kohana 3: Example of model with validation

  - by Svish

  I find examples and tutorials about models and about validation. And I places that say the validation (or most of it at least) should be in the model, which I agree with. But I can't any examples or tutorials that show how that should be done. Could anyone help me with a simple example on how that could be done? Where would you have the rules in the model? Where would the validation happen? How would the controller know if the validation passed or fail? How would the controller get error messages and things like that? Hope someone can help, cause feel a bit lost here :p

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• Link between CCK field and view

  - by JTB

  I want to use a view to select nodes in a content type field. This view must receive an argument that is another field of the content type. Can someone explain me how to pass the argument from the field to the view? Excuse my poor english

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• Rails 2.3.5 model name translation problem in error messages

  - by Jason Nerer

  Hi Rails'ers, I encountered some problem while trying to translate my model's names and attributes in a Rails 2.3.5 app. I have the following model: class BillingPlan < ActiveRecord::Base validates_presence_of :billing_option_id belongs_to :order belongs_to :user belongs_to :billing_option end When validation fails, my models attributes are translated correctly, but the modelname itself is not. I use the following translation skeleton in de.yml de: activerecord: models: shipping_plan: "Versandart" billing_plan: "Rechnungsart" attributes: shipping_plan: shipping_option_id: "Versandoption" billing_plan: billing_option_id: "Rechnungsoption" Basis for my translation file is: http://github.com/svenfuchs/rails-i18n/blob/master/rails/locale/de.yml Can anyone help? Thx in advance J.

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• Strongly typed partial view not loading AJAX content appropriately

  - by mwright

  I am using an Ajax.ActionLink to load a partial view. It works fine when the partial view is not strongly typed. However, as soon as I make the partial view strongly typed it ceases to display the Ajax content when the link is clicked on. What am I missing?

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• Generate Entity Data Model from Data Contract

  - by CSmooth.net

  I would like to find a fast way to convert a Data Contract to a Entity Data Model. Consider the following Data Contract: [DataContract] class PigeonHouse { [DataMember] public string housename; [DataMember] public List<Pigeon> pigeons; } [DataContract] class Pigeon { [DataMember] public string name; [DataMember] public int numberOfWings; [DataMember] public int age; } Is there an easy way to create an ADO.NET Entity Data Model from this code?

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• Rails after_create callback can't access model's attributes

  - by tybro0103

  I can't access my model's attributes in the after_create callback... seems like I should be able to right? controller: @dog = Dog.new(:color => 'brown', :gender => 'male') @dog.user_id = current_user.id @dog.save model: class Dog < ActiveRecord::Base def after_create logger.debug "[DOG CREATED] color:#{color} gender:#{gender} user:#{user_id}" end end console: (all seems well) >>Dog.last =>#<Dog id: 1, color: "brown", gender: "male", user_id: 1> log: (wtf!?) ... [DOG CREATED] color: gender:male user ... Some of my attributes show up and others don't! oh no! Anyone know what I'm doing wrong? I've always been able to user after_create in such ways in the past. Note: The actual variable names and values I used were different, but the methods and code are the same.

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• Problems using an id from a model inside a custom sql query in Rails

  - by Thiago

  Hi there, I want to do a model class which associates to itself on Rails. Basically, a user has friends, which are also users. I typed the following inside a User model class: has_many :friends, :class_name => "User", :foreign_key => :user_id, :finder_sql => %{SELECT users.* FROM users INNER JOIN friends ON (users.id = friends.user_id OR users.id = friends.friend_id) WHERE users.id <> #{id}} But the funny fact is that it seems that this finder_sql is called twice whenever I type User.first.friends on irb. Why?

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• Sql server indexed view

  - by Jose

  OK, I'm confused about sql server indexed views(using 2008) I've got an indexed view called AssignmentDetail when I look at the execution plan for select * from AssignmentDetail it shows the execution plan of all the underlying indexes of all the other tables that the indexed view is supposed to abstract away. I would think that the execution plan woul simply be an clustered index scan of PK_AssignmentDetail(the name of the clustered index for my view) but it doesn't. There seems to be no performance gain with this indexed view what am I supposed to do? Should I also create a non-clustered index with all of the columns so that it doesn't have to hit all the other indexes? Any insight would be greatly appreciated

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• WPF Composite - Expose EF model to all modules

  - by Tony

  Hi All, I have an application that uses WPF Composite, and I have an issue. I've got a big database that is attached to the application and I need it exposed to different modules as part of the application. What is the best way to expose my Entity Framework model to all my different modules and views inside them? Do I have one EF model or a separate one for each module and then only the tables that each module needs. The only problem being that some tables have a relationship and will have different views and those views will be in different modules. Any ideas how to resolve this?

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• What is the difference between MVC model 1 and model 2?

  - by Alex Ciminian

  I've recently discovered that MVC is supposed to have two different flavors, model one and model two. I'm supposed to give a presentation on MVC1 and I was instructed that "it's not the web based version, that is refered to as MVC2". As the presentations are about design patterns in general, I doubt that this separation is related to Java (I found some info on Sun's site, but it seemed far off) or ASP. I have a pretty good understanding of what MVC is and I've used several (web) frameworks that enforce it, but this terminology is new to me. How is the web-based version different from other MVC (I'm guessing GUI) implementations? Does it have something to do with the stateless nature of HTTP? Thanks, Alex

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• Rails Model multiple column uniqueness

  - by Jty.tan

  I am making a Viewer model with belongs_to :users belongs_to :orders that joins the models Users and Orders with a :has_many :through => :viewers. And the Viewer model has the attributes of user_id and order_id. How would I set it up so that new viewers are only accepted if both user_id and order_id are unique in the same row? I remember in MySQL being able to do so with a flag (although I can't for the life of me remember what it was), but I'm not sure how to do it with Rails. Can I do something like (for Viewer.rb) validates_uniqueness_of :user_id, :scope => :order_id?

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• MVC Entity Model not showing my table

  - by Jessica

  I have a database with multiple tables, and some basic relationships. Here is an example of the problem I am having: My Database: **Org** ID Name etc **Detail1** ID D1name **Org_Detail1** Org_ID Detail1_ID **Detail2** ID D2Name **Org_Detail2** Org_ID Detial1_ID BooleanField My problem is, the Org_detail1 table is not showing up in the entity model, but the Org_Details2 table does. I thought it may have been because the Org_Detail1 table only contains two ID fields that are both primary keys, while the Org_Details2 table contains 2 primary key ID fields as well as a boolean field. If I add a dummy field to Org_detail1 and update it, it still won't show up and wont allow me to add a new entity relating to the Org_Detail1 table. The table won't even show up in the list, but it is listed under the tables. Is there any solution to get this table to appear in my model?

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• SQL Server indexed view matching of views with joins not working

  - by usr

  Does anyone have experience of when SQL Servr 2008 R2 is able to automatically match indexed view (also known as materialized views) that contain joins to a query? for example the view select dbo.Orders.Date, dbo.OrderDetails.ProductID from dbo.OrderDetails join dbo.Orders on dbo.OrderDetails.OrderID = dbo.Orders.ID cannot be automatically matched to the same exact query. When I select directly from this view ith (noexpand) I actually get a much faster query plan that does a scan on the clustered index of the indexed view. Can I get SQL Server to do this matching automatically? I have quite a few queries and views... I am on enterprise edition of SQL Server 2008 R2.

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• Rails 2.3.2: Accessing Model Specific Data in Another Model

  - by Gimli

  I'm using Rails 2.3.2 and using Paperclip to upload photos. I'm also using a slightly customized subdomain_accounts.rb to set some account-specific variables. My question is this: How can I set the bucket used in Paperclip to be dependent on the current account? Since this looks to be a model attribute set up early on, how can I override it later? Thanks.

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• Trying and expand the contrib.auth.user model and add a "relatipnships" manage

  - by dotty

  I have the following model setup. from django.db import models from django.contrib.auth.models import User class SomeManager(models.Manager): def friends(self): # return friends bla bla bla class Relationship(models.Model): """(Relationship description)""" from_user = models.ForeignKey(User, related_name='from_user') to_user = models.ForeignKey(User, related_name='to_user') has_requested_friendship = models.BooleanField(default=True) is_friend = models.BooleanField(default=False) objects = SomeManager() relationships = models.ManyToManyField(User, through=Relationship, symmetrical=False) relationships.contribute_to_class(User, 'relationships') Here i take the User object and use contribute_to_class to add 'relationships' to the User object. The relationship show up, but if call User.relationships.friends it should run the friends() method, but its failing. Any ideas how i would do this? Thanks

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• How to stop Zend Framework from appending '/scripts/' to the View Base Path

  - by Hannes

  Thats basically my code (simplified): class IndexController extends Zend_Controller_Action { public function indexAction(){ $this->view->setBasePath(APPLICATION_PATH . '/views/partner/xyz/'); $this->view->render('node.phtml'); } } Now what I (obvoiusly) want is to use the view script APPLICATION_PATH . '/views/partner/xyz/node.phtml' but ZF always tries to load APPLICATION_PATH . '/views/partner/xyz/scripts/node.phtml' is there any Way around that Behviour?

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• CakePhp: model recursive associations and find

  - by Petecocoon

  Hello to everybody! I've some trouble with a find() on a model on CakePhp. I have three model relationed in this way: Project(some_fields, item_id) ------belongsTo----- Item(some_fields, item_id) ------belongsTo----- User(some_fields campi, nickname) I need to do a find() and retrieve all fields from project, a field from Item and the nickname field from User. This is my code: $this->set('projects', $this->Project->find('all', array('recursive' => 2))); but my output doesn't contains the user object. I've tried with Containable behaviour but the output is the same. What is broken? Many many Thanks Peter

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• Add a background image to tables in a navigation view in a tabbed application

  - by padatronic

  Hi people, I have a tabbed application which then has a navigation controller. In each the navigation controller I an a table View Controller which obviously contains a table. I push a new table view controller from this one. I want to put a background to the table but can only add an image infront of the table. I think this may be because I am adding the sub view in the table view controller, but I don't seem to be able to add it anywhere else. Please could you help me, thanks.

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• Manually changing keyboard orientation for a view that's on top of a camera view

  - by XKR

  I'm basically trying to reproduce the core functionality of the "At Once" app. I have a camera view and another view with a text view on it. I add both views to the window. All is well so far. [window addSubview:imagePicker.view]; [window addSubview:textViewController.view]; I understand that the UIImagePickerController does not support autorotation, so I handle it manually by watching UIDeviceOrientationDidChangeNotifications and applying the necessary transforms to the textViewController.view. Now, the problem here is the keyboard. If I do nothing, it just stays in portrait mode. I can get it to rotate by adding the following code to the notification handler. [[UIApplication sharedApplication] setStatusBarOrientation:interfaceOrientation]; [textView resignFirstResponder]; [textView becomeFirstResponder]; However, the following simple test produces weird behavior. Start the app in portrait mode. Rotate the device 90 degrees clockwise. Rotate the device 90 degrees counterclockwise (back to the initial position). Rotate the device 90 degrees clockwise. After step 4, instead of the landscape-mode keyboard, the portrait-style keyboard is shown, skewed to fit in the landscape keyboard frame. Perhaps my approach is wrong from the start. I was wondering if anyone has been able to reliably make the keyboard change its orientation in response to setStatusBarOrientation.

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• How best can I extract a logical model from a physical DB model

  - by Dean

  We have made substantial changes to our physical DB, now as it is the ne dof the project I would like to abstract a logical model from this, to allow me to generate schemas for both Oracle and SQL Server. Can anyone guide me as to the best way to achieve this. I was hoping TOAD data modeller would help but I can't seem to see any options to do what I require?

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• Define Rails Model Persistent Attributes in Model File

  - by Kevin Sylvestre

  I recently played with MongoDB in Rails using Mongoid. I like the ability to define attributes for models within the model file (as opposed to in migrations): class Person include Mongoid::Document field :name, :type => String field :birthday, :type => Date end For projects that cannot use a schema-less database, does a similar feature exist? Any gems or plugins that generate schemas from a similar syntax would be greatly appreciated. Thanks.

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