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• UITextFields losing values after UINavigationController activity

  - by Dan Ray

  This is going to be hard to demonstrate in code, but maybe you can picture it with me. I have a view that contains two UITextFields, "title" and "descr". That same view contains two UIButtons that push another controller onto the navController to get more detail from the user about the object we're assembling and ultimately uploading to my server. It appears that pushing another view on, doing something, and popping it back off results in the two UITextFields keeping their content VISUALLY, but the .text property of those fields becomes NULL. I've confirmed that if I do my two push-pop fields before filling in those UITextFields, I get my data when I upload, and if I do them in the opposite order, I don't. It LOOKS like there's data there, but I get nothing when I NSLog their .text properties. Is this normal? Do I need to just design around this? Or is this as weird as it seems, and I should be looking deeper at causes of this?

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• .NET MVC: How to use .NET controls with MVC?

  - by aximili

  I am very new to MVC. I've been learning to use plain HTML or HtmlHelpers, eg. for textbox, and get the value back in the Controller using Request.Form. But how do I use .NET controls with MVC? (eg. FileUpload) (The reason I ask is I am trying to use a custom control for uploading multiple files - it's Flajaxian File Uploader, if anyone knows about it. It works with webforms, but I have no idea how this thing is gonna work with MVC.) Thanks in advance

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• Persist url parameter throughout grails app

  - by avelis

  Essentially I am looking to have a url query parameter persist throughout the life of the grails application (POST or GET). ex. http://localhost:8080/demo/controller/action/?myParam=foobar I have tried a couple routes. Dynamic method overriding redirect and customizing application tags for createLink. However, since I also use grails webflows it doesn't quite get every single URL. I also tried using a groovy servlet (groovlet) to capture every URL and append the query parameter. The last attempt hasn't been very successful. Am I missing an obvious component to grails? Am I on the right track? Is there another avenue I haven't explored yet? Thanks in advance

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• Newbie: UINavigationController is pulling me back from further learning :(

  - by nithin

  I have created a window-based application and my problem is I am unable to create UINavigationController on the go. InFact I don't know how to do that. My AppDelegeate - (void)applicationDidFinishLaunching:(UIApplication *)application { // Override point for customization after application launch [window addSubview:logInView.view]; [window makeKeyAndVisible]; } here the logInView is an object of @interface LogInViewController : UIViewController { IBOutlet UITextField *usernameField; IBOutlet UITextField *passwordField; IBOutlet UIButton *logInButton; } -(IBAction) logInClick:(id) sender; from the click action of this loginviewcontroller It should be showing the home screen with navigation controller. and I have to add many subviews. My question is where should I init the UINavigationController and where could I write the codes for adding subviews? how to map it with interfacebuilder?

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• My presentation layer does not match my model layer even though I have no animations

  - by Kevin McCullough

  On iPhone I have a CALayer that I animate via Core Animation. Then at some point I change view controllers. I then return to the view controller with the CALayer and in viewWillAppear: I set the frame and position properties on my layer to move it back to its starting point. Setting these properties changes the model layer but the presentation layer still has the old values and its presentation layer does not update until the next animation I play. In the CA Programming guide it says "You can query an instance of CALayer for its corresponding presentation layer while an animation transaction is in process." Which, to me, implies that the presentation layer should only be different from the model layer during an animation. But there are no animations currently running. I even used kCATransactionDisableActions to ensure that when I set the position property an implicit animation is not started. Does anyone know why my presentation and model layers are out of sync? Thanks.

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• Neither IE or Firefox respects the control values that are output

  - by Luke Rohde

  I'm writing a survey designer asp.net mvc. It has buttons to move questions up and down. The buttons post the whole form back and the affected questions are swapped on the server. When the form returns the only thing that is changed are the values for each survey question. Both firefox and IE seem to ignore this change. Nothing is persisted to the database (until save) and url doesn't change so the post just returns the same view but I've stepped through my code to ensure the sequence of values being rendered in the view reflects the swap which is ok. However "view - source" doesn't show the change suggesting caching issue (maybe auto complete). I've tried autocomplete="off" in my form. Response.Cache.SetNoStore(); in my global.asax [System.Web.Mvc.OutputCache(NoStore = true, Duration = 0, VaryByParam = "*")] before my controller and the following in my page header NOTHING!!! This must be real common. Anyone got a clue?

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• How to implement checkout/basket system

  - by ct2k7

  Hi, I'm making an app for fun and would like to know how to implement a checkout/basket system on the app. Basically, a list of products is pulled in from a web server in form of XML file, which is then displayed in a UITableView controller. A tap on the cell takes the user to a more detailed overview of the product. The app would need to be able to get the product into a basket type thing, and this is where I'm getting stuck. Are there any code samples that I could take a look at?

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• What am i doing wrong with asp.net-mvc dropdownlist?

  - by Pandiya Chendur

  I use a dropdownlist in one of my create.aspx but it some how doesnt seem to work... public IEnumerable<SelectListItem> FindAllMeasurements() { var mesurements = from mt in db.MeasurementTypes select new SelectListItem { Value = mt.Id.ToString(), Text= mt.Name }; return mesurements; } and my controller, public ActionResult Create() { var mesurementTypes = consRepository.FindAllMeasurements().AsEnumerable(); ViewData["MeasurementType"] = new SelectList(mesurementTypes,"Id","Name"); return View(); } and my create.aspx has this, <p> <label for="MeasurementTypeId">MeasurementType:</label> <%= Html.DropDownList("MeasurementType")%> <%= Html.ValidationMessage("MeasurementTypeId", "*") %> </p> When i execute this i got these errors, DataBinding: 'System.Web.Mvc.SelectListItem' does not contain a property with the name 'Id'.

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• FTP in NetBeans 6.1

  - by Ross

  Is there an FTP browser hiding away in NetBeans 6.1? The help manual doesn't even suggest FTP exists. All I've been able to find so far is a tree viewer in the Services panel (no edit controls) and the ability to upload projects, folders and specific files from the Projects/Files views. Is there anywhere to delete or rename or will I have to keep switching back to my browser? I can see from the previews that there's a nice FTP controller in 6.5 but I'm not desperate enough to completely convert to a beta (yet).

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• Shortest way of determining a name ends with an `s`, `x` or `z`, and then use the `I18n.t` method wi

  - by Koning Baard XIV

  I'm creating a Rails application where users can have a first and last name. Since I'm a perfectionist, the application may not show something like Dennis's profile or Xianx's profile, but rather Dennis' profile and Xianx' profile. I use L18n, so I wanted to ask what is the shortest way of implementing this? This grammar is the same for both English and Dutch, where the application will be translated to. Oh, some important things: I am not afraid of using helpers and the application controller My language files are in Ruby, not YAML Thanks!

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• How to replace html element with ajax response?

  - by user2885137

  How do I replace the html element from ajax response? What I know to is to remove the element, how do I replace that removed tag with ajax response? For example: I have code like this: <ul id="products"> ............... </ul> When I click on a button the ajax call is made to codeginter controller where I recieve the new data pulled from the database and rendered in another view which starts from ul and ends at closing ul. In ajax success function I do this: $('#products').remove(); //What to do now here to replace the removed portion with response of ajax?

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• Codeigniter + Dwoo

  - by RedTruck

  I got problem when implementing my CMS using Codeigniter 1.7.2 and Dwoo. I use Phil Sturgeon Dwoo library. My problem is I want user create template from the admin panel, it means all template will be stored into database including all Dwoo variable and functions.My questions: Is it possible to load dwoo template from database? How to parse dwoo variable or function from database? I tried to load content from database which is include dwoo var and function inside it, and i have tried to do evaluation using dwoo eval() function and phil sturgeon string_parse() but still have no luck. for example: my controller $data['header'] = "<h1>{$header}</h1>"; --> this could be loaded from database $this->parser->parse('header',$data); my view {$header} Thank you,

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• Remove Custom UINavigationBar

  - by Lithium

  Hi, I've customized my UINavigationBar with an image like that : @implementation UINavigationBar (CustomImage) - (void)drawRect:(CGRect)rect { UIImage *image = [UIImage imageNamed: @"NavigationBar.png"]; [image drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)]; } @end When I launch a video my custom NavigationBar (with the picture) is on the top or I would like to have the default navigationBar style when I'm playing a video. I tried to hide the navigationBar with [self.navigationController setNavigationBarHidden:YES animated:animated]; but it just remove the navigationBar in my controller but I still have the NavigationBar.png when I'm playing a video. I tried to set the barstyle but it doesn't work either ... self.navigationController.navigationBar.barStyle = UIBarStyleDefault; Could you help me ?

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• Confusing rails div id naming

  - by RailAddict

  I have started using jQuery and rails. I have made a simple form that submits to the database and updates the page without reloading with ajax. In my jQuery functions I used $"#new_comment" for the id name (in my application.js and create.js.erb files) but on my articles/show view file, I named the div "add_comment" and it works.. I renamed it new_comment and it breaks! Can someone explain it please? I get an error: "no action responded to 1" My function in my controller is "create".

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• Unable to save to wincache from cakePHP shell

  - by Phillaf

  I'm trying to retrieve the weather from wunderground.com through their API, and store it in wincache. For testing purposes I made this function in the News model: public function updateWeather(){ $results = file_get_contents('http://api.wunderground.com/api/**api_key**/conditions/q/CA/Montreal.json'); $results = json_decode($results); return Cache::write('weather', $results); } It works fine when I call this from the controller. However, I can't figure why that same function doesn't work when called from the console. I made this shell in order to eventually add this to windows task scheduler. class WeatherShell extends AppShell { public $uses = array('News'); public function main() { $this->News->updateWeather(); } } When running this, I see that $results is correctly populated. I get 'true' from Cache::write(), however, I get 'false' when trying to read. What subtlety am I missing?

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• UILabel reset after Autorotate

  - by MB

  Hi, I have a UILabel in a view that is set by calling a method against my view controller. The app is a TABBar app and the VC is in the MORE section. When I rotate the phone the label disappears (don't mind that) when I rotate back the label is showing all .......... (the value it is set to in the XIB) I added a line to set the label in the shouldAutoRotateToOrientation method lblProductTxt.titleLabel.text = self.productText; when autorotating what viewcontroller methods are being called. ?? the shouldAutoRotateToOrientation method doesn't get called when the VC is in the More section but when I move it it does get called but has no affect on the labeltext

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• Why will IIS 6 not serve my custom 404 page when I set the URL in 'Custom Errors'?

  - by Glenn Slaven

  I've got an ASP.NET MVC site & I've got an Errors controller with a NotFound action which works great for 404 errors that pass though .NET, but for stuff that doesn't (like static files) I've set the Custom Errors value for 404 to URL with a value of /Errors/NotFound. But when I do this & hit a non-existant page the site just gives me this: The system cannot find the path specified. Is this because it's a dynamic url, can IIS not redirect 404 requests to dynamic urls or have I screwed up the config somewhere?

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• Can't select View Content dropdown when adding view in MVC using Interfaces

  - by fearofawhackplanet

  I have my Model defined externally in two projects - a Core project and an Interface project. I am opening the Add View dialogue from my controller, and selecting Create a strongly typed view. In the drop down list, I can select the concrete types like MyProject.Model.Core.OrderDetails, but the interface types like MyProject.Model.Interface.IOrderDetails aren't there. I can type the interface class in manually and everything works, but then the View content menu that lets you select the Create, Delete, List, etc scaffolding is disabled. Is there some problem with using interfaces in MVC? Or is it something else I'm missing?

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• Limiting the Amount of Tags for Acts as Taggable On

  - by bob

  Hello, I am wondering how to limit the amount of tags, the tag_cloud function returns for this plugin. http://github.com/collectiveidea/acts-as-taggable-on Also, I would like to know how to order it so that it orders the tags by the highest count. So the most popular are at the top. I tried to do @tags = Post.tag_counts_on(:tags, :limit = 5) but that did not work. Controller: class PostController < ApplicationController def tag_cloud @tags = Post.tag_counts_on(:tags) end end View: <% tag_cloud @tags, %w(css1 css2 css3 css4) do |tag, css_class| %> <%= link_to tag.name, { :action => :tag, :id => tag.name }, :class => css_class %> <% end %> Thanks!

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• Adding Parameters to Zend_Navigation

  - by Grant Collins

  I have a problem with Zend_Navigation that I am hoping for a little guidance on. I'm in the process of adding a Zend_Navigation to a legacy app as described [here on SO].1 The thing that I am not sure of is how to add parameters to the navigation menu after the data is loaded from the xml file. What I want to do is get 2 identifying parameters from the url and add them to the Zend_Navigation so that they are included in things such as the breadcrumb bar, so that if a user selects the previous item in the breadcrumb they are returned with the correct params in the url. The parameters, I believe need to be set at the Action level rather than the controller. Any help would be appreciated. Many thanks.

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• Localization as an afterthought-- screwed?

  - by David

  So I signed on with a startup web development company as a subcontractor. They are putting together a large, complex user/product management system for a company that needs to support multiple levels of hierarchial localization. I signed a 3 month contract, and upon looking at their code, wish I hadn't. They opted to write their own MVC framework (I guess the client company didn't want to use a prewritten one) and it's extremely poorly written. There's SQL scattered throughout almost every model view and controller (and there's no parameter-based find methods, it's all SQL) and they haven't even THOUGHT about localization yet-- something that will have an affect on nearly EVERY query. The due date is 4 months away, and I honestly think we'd make good progress by scrapping the whole thing and going with CakePHP. Have any of you been in a similar situation, and what did you do? PS: This is written in PHP/MySQL.

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• Address Book callback not called

  - by Oliver

  I have an iPhone app that makes use of the AddressBook.framework and uses Core Data to store these contacts. In order to make sure I update my own database when the Address Book is updated (whether via MobileMe or editing within my own app), I am subscribing to the notification as to when the Address Book is updating. I call this on startup: ABAddressBookRef book = ABAddressBookCreate(); ABAddressBookRegisterExternalChangeCallback(book, addressBookChanged, self); Which (supposedly) calls this on any editing. I have an ABPersonViewController which allows editing, and addressBookChanged never seems to get called. void addressBookChanged(ABAddressBookRef reference, CFDictionaryRef dictionary, void *context) { // The contacts controller we need to call ContactsController *contacts = (ContactsController *)context; // Sync with the Address Book [contacts synchronizeWithAddressBook:reference]; } Is there any reason for it to not be called?

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• How is joystick axis information formatted from a USB Joystick?

  - by aquanar

  I actually just have a rather small question, but I have had the HARDEST time finding information about it. For the application I am programming for, there will be a 3-axis joystick being connected via USB to a Windows XP computer, and it is being handled by directx. That information will then be sent elsewhere to an embedded controller. I don't need to know too much of the intricacies of how directx handles it, but I want to know, how is the data for the axes formatted? Nearest I can tell, most joysticks nowadays have 12 bits of resolution, so is the data output as a 12-bit 2's compliment number? And after that, is it represented as a signed 16-bit integer when it is captured from directx? I'd like to know this so I know how I will work with the data at the embedded platform side, such as how to format the packets sending data to the embedded side, as well ashow to use the information once it is on the embedded side.

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• IPhone XCode programming: view called from a navigation view doesn't set its IBOutlet attributes

  - by Antonio Murgia

  I created a view Called ProgrammaView that appears when a row of a table is clicked. This view has a UILabel, a UIImageView and a UITextView. Now. ProgrammaView's Outlets have to be changed by the parameter passed to a method of the view called iniz. in this image there is first the ProgrammaView.h and then the method iniz. The problem is that the label and other stuff doesn't change! I checked 3 million times that everything between the xib file and the controller is linked. The trick to call iniz in the other viewcontrollers works well in other part of the program so i think is not that the problem. Thank you in advance!

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• CakePHP dynamic element

  - by Logic Artist

  I am trying to create a message-board type element in a CakePHP app. This element will be displayed on all pages and views that use a particular layout. I want it to display all the messages in the model, then show the add form when a link is clicked, then return to the updated message list when submitted. All this without affecting the current view/page. I have my message model/controller/index set up, with a message board element that requests the index action. This works fine. However I am perplexed about how to return back to the original page/action from which the link was clicked. I can't use $this-referer() because that will link back to the add() action; what I want rather is to link to the page/view before that. Any general pointers on how to achieve something like this?

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