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• Proper way to setup a UISegmentedControll on UINavigationController UINavigationBar all inside UITab

  - by Kaspa

  The title pretty much describes it all. The problem being the handling of the UISegmentedControll callbacks (button presses). If the content type of all of the nested views was the same (i.e. some UITableViewControllers) then I could just switch dataSource'es and reload the tables. However this is not the case, I have 3 very different views in there that allow further drilldown / interaction based on the NavigationControllers. So the way I have this set up ATM is that there is a "container" class that I put all of the UINavigationControllers in. They all share the same and one UISegmentedController and I redirect the callbacks to the container view controller. This does not feel too good at all. Additionally there is a problem when the user taps on the tab bar icon, the navigation controller pops to root which is ... the empty container view. Here's a picture of what I want to achieve:

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• Edit and Create view using EditCreate.ascx partial in ASP.NET MVC

  - by mare

  If you look at the NerdDinner example of creating and editing dinners then you see they use a partial (ViewUserControl or ASCX) DinnerForm to put the functionality of creating and editing dinners into one file because it is essential the same and they use it using RenderPartial("DinnerForm"). This approach seems fine for me but I've run into a problem where you have to add additonal route values or html properties to the Form tag. This picks up the current action and controller automatically: <% using (Html.BeginForm()) { %> However, if I use another BeginForm() overload which allows to pass in enctype or any other attribute I have to do it like this: <% using ("Create", "Section", new { modal = true }, FormMethod.Post, new { enctype = "multipart/form-data" })) and as you can see we lose the ability to automatically detect in which View we are calling RenderPartial("OurCreateEditFormPartial"). We can't have hardcoded values in there because in Edit View this postback will fail or won't postback to the right controller action. What should I do in this case?

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• Zend_XmlRpc :Failed to parse response error

  - by davykiash

  Am trying to get a simple hello world XMLRPC server setup to work.However I get this Failed to parse response error error when I run the test URL http://localhost/client/index/ on my browser In my Rpc Controller that handles all my XMLRPC calls class RpcController extends Zend_Controller_Action { public function init() { $this->_helper->layout->disableLayout(); $this->_helper->viewRenderer->setNoRender(); } public function xmlrpcAction() { $server = new Zend_XmlRpc_Server(); $server->setClass('Service_Rpctest','test'); $server->handle(); } } In my client Controller that calls the XMLRPC Server class ClientController extends Zend_Controller_Action { public function indexAction() { $clientrpc = new Zend_XmlRpc_Client('http://localhost/rpc/xmlrpc/'); //Render Output to the view $this->view->rpcvalue = $clientrpc->call('test.sayHello'); } } In my Service_Rpctest function <?php class Service_Rpctest { /** * Return the Hello String * * @return string */ public function sayHello() { $value = 'Hello'; return $value; } } What am I missing?

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• NSMutableArray can't be added to

  - by Dan Ray

  I've had this sort of problem before, and it didn't get a satisfactory answer. I have a viewcontroller with a property called "counties" that is an NSMutableArray. I'm going to drill down a navigation screen to a view that is about selecting the counties for a geographical search. So the search page drills down to the "select counties" page. I pass NSMutableArray *counties to the second controller as I push the second one on the navigation stack. I actually set that second controller's "selectedCounties" property (also an NSMutableArray) with a pointer to my first controller's "counties", as you'll see below. When I go to addObject to that, though, I get this: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '*** -[NSCFArray insertObject:atIndex:]: mutating method sent to immutable object' Here's my code: in SearchViewController.h: @interface SearchViewController : UIViewController { .... NSMutableArray *counties; } .... @property (nonatomic, retain) NSMutableArray *counties; in SearchViewController.m: - (void)getLocationsView { [keywordField resignFirstResponder]; SearchLocationsViewController *locationsController = [[SearchLocationsViewController alloc] initWithNibName:@"SearchLocationsView" bundle:nil]; [self.navigationController pushViewController:locationsController animated:YES]; [locationsController setSelectedCounties:self.counties]; [locationsController release]; } in SearchLocationsViewController.h: @interface EventsSearchLocationsViewController : UIViewController <UITableViewDelegate, UITableViewDataSource> { ... NSMutableArray *selectedCounties; } ... @property (nonatomic, retain) NSMutableArray *selectedCounties; in SearchLocationsViewController.m (the point here is, we're toggling each element of a table being active or not in the list of selected counties): -(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath]; if ([self.selectedCounties containsObject:[self.counties objectAtIndex:indexPath.row]]) { //we're deselcting! [self.selectedCounties removeObject:[self.counties objectAtIndex:indexPath.row]]; cell.accessoryView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"red_check_inactive.png"]]; } else { [self.selectedCounties addObject:[self.counties objectAtIndex:indexPath.row]]; cell.accessoryView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"red_check_active.png"]]; } [tableView deselectRowAtIndexPath:indexPath animated:YES]; } We die at [self.selectedCounties addObject.... there. Now, when I NSLog myself [self.selectedCounties class], it tells me it's an NSCFArray. How does this happen? I understand about class bundles (or I THINK I do anyway), but this is explicitly a specific type, and it's losing it subclassing at some point in a way that kills the whole thing. I just completely don't understand why that would happen.

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• Where to sanitize PHP $_POST[] input ?

  - by WarDoGG

  I am using codeigniter framework. where should i sanitize PHP input - controller or model ?

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• how to ingore comma when returning json mvc

  - by Darcy

  Hi all, I'm returning JSON from my controller to my view in order to populate a jquery autocomplete textbox in MVC. The problem is, some of my data contains commas, and therefore is split by the autocomplete helper. Heres my code. Controller: public ActionResult GetData() { var data = repository.GetData(); return Json(data); } View (script): $.post("../MyController/GetData", function(data) { var evalData = eval(data) + ""; //formats the text $("#Data").autocomplete(evalData.split(","), { max: 500, matchContains: true }); }); As you can see, I am using the jquery .split helper to split the returned Json. Should I be using regex or should I go with a completely different approach?

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• GUI-Library for microcontroller

  - by Martin Kirsche

  I want to create a GUI driven application for a micro-controller (Atmel XMEGA) that is connected to a 128x64 dots graphics LCD (EA DOGL128-6) and 4 buttons for navigation. Controlling the display itself (e.g. drawing pixels and characters) is no problem but in order to prevent me from reinventing the wheel I was googling for a GUI-Library/-Toolkit that is written in c, includes its source code, will run on a 32 MHz 8-bit micro-controller and provides at least the following controls: panel (to group elements) menu (scrollable) icon label button line-graph (optional) But I didn't find any thing useful. Does anyone know (or better uses) such a library(preferably for free)?

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• Anything wrong with this code?

  - by ct2k7

  I am using this to determine which view to go to next, from the result as input from UITableView. The following code isn't working, but I think it should be! Do you see anything wrong with it? NSString *option = [menuArray objectAtIndex:indexPath.row]; if (option == @"New Transaction"){ NTItems *nTItemsController = [[NTItems alloc] initWithNibName:@"NTItems" bundle:nil]; // Pass the selected object to the new view controller. [self.navigationController pushViewController:nTItemsController animated:YES]; [NTItems release];} else if (option == @"Previous Transactions"){} else if (option == @"Reprint a reciept"){} else if (option == @"Settings"){} else if (option == @"Logout"){ LoginViewController *nTItemsController = [[LoginViewController alloc] initWithNibName:@"LoginViewController" bundle:nil]; // Pass the selected object to the new view controller. [self.navigationController pushViewController:nTItemsController animated:YES]; [LoginViewController release]; }

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• problem with uninitialized constant

  - by VinTem

  Hi, I have the following controller class ActiveUsersController < ApplicationController def edit end end And my routes.rb is like this: map.resources :active_users When I try to access the controller using the url http://localhost:3000/active_users/COo8e45RqQAHr6CqSCoI/edit I got the following error: NameError in Active usersController#edit uninitialized constant ActiveUsersController RAILS_ROOT: /Users/vintem/Documents/Projetos/Pessoal/bugfreela Application Trace | Framework Trace | Full Trace /Users/vintem/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:443:in load_missing_constant' /Users/vintem/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:80:inconst_missing' /Users/vintem/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:92:in const_missing' /Users/vintem/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/inflector.rb:361:inconstantize' /Users/vintem/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/inflector.rb:360:in each' /Users/vintem/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/inflector.rb:360:inconstantize' /Users/vintem/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/string/inflections.rb:162:in constantize' /Users/vintem/.gem/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/routing/route_set.rb:443:inrecognize' /Users/vintem/.gem/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/routing/route_set.rb:436:in `call' Can anyone help me? Thanks

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• Routing Business Branches: Granular access control in ASP.NET MVC

  - by FreshCode

  How should ASP.NET MVC routes be structured to allow granular role-based access control to business branches? Every business entity is related to a branch, either by itself or via its parent entities. Is there an elegant way to authorize actions based on user-roles for any number of branches? 1. {branch} in route? {branch}/{controller}/{action}/{id} Action: [Authorize(Roles="Technician")] public ActionResult BusinessWidgetAction(BusinessObject obj) { // Authorize will test if User has Technician role in branch context // ... } 2. Retrieve branch from business entity? {controller}/{action}/{id} Action: public ActionResult BusinessWidgetAction(BusinessObject obj) { if (!User.HasAccessTo("WidgetAction", obj.Branch)) throw new HttpException(403, "No soup for you!"); // or redirect // ... } 3. Or is there a better way?

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• redirectToAction results in null model

  - by Maslow

  I have 2 actions on a controller: public class CalculatorsController : Controller { // // GET: /Calculators/ public ActionResult Index() { return RedirectToAction("Accounting"); } public ActionResult Accounting() { var combatants = Models.Persistence.InMemoryCombatantPersistence.GetCombatants(); Debug.Assert(combatants != null); var bvm = new BalanceViewModel(combatants); Debug.Assert(bvm!=null); Debug.Assert(bvm.Combatants != null); return View(bvm); } } When the Index method is called, I get a null model coming out. When the Accounting method is called directly via it's url, I get a hydrated model.

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• iPhone UITableViewController and Checklist

  - by Leo

  Hi guys, I have an iPhone application. First view controller which is a UITableViewController has a cell for "category". When user select "category" it will push another UITableViewController where user can select category. What is the proper way to implement that so when you click back on navigation bar it will remember your selection and populate the selected in the back view controller's "category" cell. An example of this can be found in ebay application. When you search for something in ebay iphone application you have "Refine" button on top right. When you click this you can further refine the category. I'm trying to achieve exactly like this. Thanks

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• White bar at the bottom of root view!

  - by Sam

  Hi, I have two view controllers in the app. When the app starts, the layout of the root view controller's view is just fine. When a button is clicked, the view controller switches to the other one - which shows fine too. However, when the view is switched back to the root view, the contents are shifted UP by about 20 pixels, leaving a white bar at the bottom! - and it was not there when the app had started. Has anyone seen this? Any idea what's going on there? Thanks, Sam.

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• Learning MVC - Maintaining model state

  - by GenericTypeTea

  First of all, I'm very new to MVC. Bought the books, but not got the T-Shirt yet. I've put together my first little application, but I'm looking at the way I'm maintaining my model and I don't think it looks right. My form contains the following: <% using (Html.BeginForm("Reconfigured", null, FormMethod.Post, new { id = "configurationForm" })) { %> <%= Html.DropDownList("selectedCompany", new SelectList(Model.Companies, Model.SelectedCompany), new { onchange = "$('#configurationForm').submit()" })%> <%= Html.DropDownList("selectedDepartment", new SelectList(Model.Departments, Model.SelectedDepartment), new { onchange = "$('#configurationForm').submit()" })%> <%=Html.TextArea("comment", Model.Comment) %> <%} %> My controller has the following: public ActionResult Index(string company, string department, string comment) { TestModel form = new TestModel(); form.Departments = _someRepository.GetList(); form.Companies = _someRepository.GetList(); form.Comment = comment; form.SelectedCompany = company; form.SelectedDepartment = department; return View(form); } [HttpPost] public ActionResult Reconfigured(string selectedCompany, string selectedDepartment, string comment) { return RedirectToAction("Index", new { company = selectedCompany, department = selectedDepartment, comment = comment}); } And finally, this is my route: routes.MapRoute( "Default", "{controller}/{company}/{department}", new { controller = "CompanyController", action = "Index", company="", department="" } ); Now, every time I change DropDownList value, all my values are maintained. I end up with a URL like the following after the Reconfigure action is called: http://localhost/Main/Index/Company/Sales?comment=Foo%20Bar Ideally I'd like the URL to remain as: http://localhost/Main/Index My routing object is probably wrong. This can't be the right way? It seems totally wrong to me as for each extra field I add, I have to add the property into the Index() method? I had a look at this answer where the form is passed through TempData. This is obviously an improvement, but it's not strongly typed? Is there a way to do something similar but have it strongly typed? This may be a simple-enough question, but the curse of 10 years of WinForms/WebForms makes this MVC malarky hard to get your head 'round.

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• rails routes for permalink with namespaced class

  - by David

  this one in my routes works perfectly: map.connect ':permalink', :controller = 'pages', :action = 'show' for this class: class PagesController < BackendController and on /xxx/pages it is shown like this: <%= link_to "#{item.link_name}", {:controller = :pages, :action = :show, :permalink = item.permalink} % which will generate a link like "how-to-create-permalinks". but i decided to move the PagesController into a subdirectory so the class is now written like so: class Backend::PagesController < BackendController But how does the route look like now? And how do i display it on the template so it links using the permalink? Thanks!

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• UINavigationController and memory management

  - by Dan Ray

  - (void)launchSearch { EventsSearchViewController *searchController = [[EventsSearchViewController alloc] initWithNibName:@"EventsSearchView" bundle:nil]; [self.navigationController pushViewController:searchController animated:YES]; //[searchController release]; } Notice the [searchController release] is commented out. I've understood that pushing searchController onto the navigation controller retains it, and I should release it from my code. I did just alloc/init it, after all, and if I don't free it, it'll leak. With that line commented out, navigation works great. With it NOT commented out, I can navigate INTO this view okay, but coming back UP a level crashes with a *** -[CFArray release]: message sent to deallocated instance 0x443a9e0 error. What's happening here? Is the NavigationController releasing it for me somehow when it goes out of view? The boilerplate that comes on a UINavigationController template in XCode has the newly-pushed controller getting released. But when I do it, it fails.

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• How to change the toolbar controler's Bitmap in win32 ?

  - by Morpheus

  Hi all! I have created a toolbar with some controls on it using ReBar within a window. Can anyone please tell me, How to get the HWND of a controller if I know (only) the Id of it ? How to obtain the HBITMAP if I know the id of the resource ? How to set the bitmap to the controller ? SendDlgItemMessageW(hWnd, nId, BM_SETIMAGE, IMAGE_BITMAP, (LPARAM)hBitmap); This isn't working for toolbars, isn't it ? I couldn't find a way to do it, please help me. Thank you... Regards

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• Is it possible to utilize internal methods on controllers to reduce duplication?

  - by Maslow

  in a partial view I have the following: <%Html.RenderAction(MVC.User.GetComments(Model.UserGroupName)); %> can I render a Controller's PartialViewResult in a View without going through routing so I can pass arguments directly from the model so that the arguments I'm passing to the controller never get sent to the user or seen by the user? Currently the method I'm showing at the top throws an exception because no overload is public. I've got it marked as internal so that a user can not access it, only the rendering engine was my intent.

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• Asp.Net MVC2 Model Binding Problem.

  - by Pino

  Why is my controller recieving an empty model in this case? Using the following, <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<X.Models.ProductModel>" %> <asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server"> <h2>Product</h2> <% using (Html.BeginForm() {%> <%: Html.ValidationSummary(true) %> <div class="editor-label"> Product Name </div> <div class="editor-field"> <%: Html.TextBoxFor(model => model.Name) %> <%: Html.ValidationMessageFor(model => model.Name) %> </div> <br /> <div class="editor-label"> Short Description </div> <div class="editor-field"> <%: Html.TextAreaFor(model => model.ShortDesc) %> <%: Html.ValidationMessageFor(model => model.ShortDesc) %> </div> <br /> <div class="editor-label"> Long Description </div> <div class="editor-field"> <%: Html.TextAreaFor(model => model.LongDesc) %> <%: Html.ValidationMessageFor(model => model.LongDesc) %> </div> <p> <input type="submit" value="Create" /> </p> <% } %> </asp:Content> and the following controller using System.Web.Mvc; using X.Lib.Services; using X.Models; namespace X.Admin.Controllers { public class ProductController : Controller { [HttpGet] public ActionResult ProductData() { return View(); } [HttpPost] public ActionResult ProductData(ProductModel NewProduct) { //Validate and save if(ModelState.IsValid) { //Save And do stuff. var ProductServ = new ProductService(); ProductServ.AddProduct(NewProduct); } return View(); } } }

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• MVC Implementation PHP Zend PDF generation

  - by zod

  Am using Zend framework and PHP Am going to generate a PDF using Zend . So the View is PDF.There is no PHTML. But if i dont use PHTML in view , is it a perfect MVC? if i want to be a perfect MVC shall i do the db retrieval and variable declaration and assigning in controller and use view and use all pdf functions in view phtml file will it make a perfect MVC? What is the advantage of MVC in this case? :-) can i do the include of zend pdf in phtml file or controller php file? what is the difference ?

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• Route alias, is it possible?

  - by benoror

  I have a Vehicle model: map.resources :vehicles, :has_many => :suppliers Everything works great, but Vehicle has a boolean attribute is_truck. I want to make an Alias so I can get the same resources but with the "truck" word, I tried with: map.trucks '/trucks', :controller => :vehicles, :action => :index, :is_truck => true map.trucks '/trucks/by_supplier/:supplier', :controller => :vehicles, :action => :index, :is_truck => true The first one works well, but when I search within a Form the second doesn't work and searches all suppliers. Is it possible to map.resources for an alias ?

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• Can't set background colour for UIView from ViewController

  - by Curyous

  I have the following code in the view controller: - (void)viewDidLoad { [super viewDidLoad]; ThemeManager *themer = [ThemeManager sharedInstance]; UIView *theView = self.view; UIColor *forBackground = [themer backgroundColour]; [theView setBackgroundColor:forBackground]; } but when execution gets to the setBackgroundColor line, I get the following error: *** -[NSCFNumber CGColor]: unrecognized selector sent to instance 0x1237c40 *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFNumber CGColor]: unrecognized selector sent to instance 0x1237c40' There's got to be something simple that I'm doing wrong, how do I set the background colour? Do I have to subclass the view and do it in there? I'd prefer not to have the extra class, even though that is better separation of the whole model/view/controller thing. Update: value returned by [themer backgroundColour] is constructed using colorWithPatternImage:, could this make a difference?

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• How to catch HttpAntiForgeryException in ASP.NET MVC

  - by megalonychidae

  I'm using the AntiForgeryToken in my ASP.NET MVC forms. If I deactivate cookies in my browser and send the from, I'd get following error message: A required anti-forgery token was not supplied or was invalid. How can I prevent this message from showing? I would prefer redirecting the user to another page. I've activated customErrors and included this HandleError in my controller: [HandleError(ExceptionType=typeof(HttpAntiForgeryException), View="Index")] public class MyController : Controller { ... } The HandleError is ignored. Has anyone got a solution?

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• Ruby on Rails form_remote_tag missing template

  - by Donald Hughes

  I'm using form_remote_tag(:url => {:controller => "home", :action => "search"}, :update => "mydiv"). When I click submit on the form "mydiv" is populated with the error "Template is missing. Missing template home/search.erb in view path app/views". I've tried multiple render options in def search, but they all result in the same error. It looks like the search method is trying to use it's default render even though I'm specifying what I want. I've tried: render 'index' render :text => 'Return this from my method!' Is my url incorrect? Is it not submitting back to my home controller's search method?

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• How do I hook up a custom tab bar build in IB to a UINavigationController Object instanced in XCODE?

  - by David Hsu

  What I did to create the custom NAV BAR: 1. Created an empty XIB and added a view with class UINavigationController. 2. Under the view I added the navigation bar and a left and right button onto the nav bar. 3. Control drag from "File Owner" to "View" Inside my class where I call the modal view navigation controller: SignupViewController *addController = [[SignupViewController alloc] initWithNibName:@"SignupViewController" bundle:nil]; // Create the navigation controller and present it modally. UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:addController]; navigationController.navigationBar = ///WHAT SHOULD GO HERE? [self presentModalViewController:navigationController animated:YES]; Thank in advance!

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