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• iPhone modal view inside another modal view?

  - by Rick

  My App uses a modal view when users add a new foo. The user selects a foo type using this modal view. Depending on what type is selected, the user needs to be asked for more information. I'd like to use another modal view to ask for this extra information. I've tried to create the new modal view like the first one (which works great) and it leads to stack overflow/“Loading Stack Frames” error in Xcode. Am I going about this in completely the wrong way i.e. is this just a really bad idea? Should I rethink the UI itself? UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:addController]; [self presentModalViewController:navigationController animated:YES];

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• Can I make controls defined in my markup public instead of protected

  - by RoboShop

  Say I have a web site with a master page and an aspx page. In my ASPX page, I am pointing to my masterpage with the MasterType tag. <%@ MasterType VirtualPath="~/mymasterpage.master" % Say, I've defined a label in the markup of my master page. If you look at the designer code, this label should be something like this. protected global::System.Web.UI.WebControls.Label label1; Now in my content page, I would like to reference this label. If I type in this "Master.label1", the complier will complain that the control is inaccessible due to the protection level" and rightly so, as label1 is automatically defined as "protected". My question is, if I define controls in my markup page, is it possible to set these controls as public instead of protected? I do not see an attribute for it. thanks in advance.

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• stopping android handler loop

  - by venka reddy

  Hi, i am using a class which extends Handler class to update my activity UI. The code is as follows in side main activity, /////////////////////////////// public class RefreshHandler extends Handler { public void handleMessage(Message msg) { Homeform.this.updateUI(); } public void sleep(long delayMillis) { this.removeMessages(0); sendMessageDelayed(obtainMessage(0), delayMillis); } }; private void updateUI(){ Log.v("","== I am inside Update UUI====================="); refresh(); mRedrawHandler.sleep(5000); } /////////////////////////// And i had call this method handleMessage() on the object of RefreshHandler as follows /////////////////////////////////////////// mRedrawHandler = new RefreshHandler(); mRedrawHandler.handleMessage(new Message()); //////////////////////////////////////////////// But here i am facing one problem that is it is running after closing my application also . please solve my problem to stop this handler when close this application. ThanQ.....

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• DataTemplate defautl visibility for ContentControls

  - by bitbonk

  In my MVVM based WPF application I have a lot of different ViewModel types that dynamically loaded into ContentControls or ContentPresenters. Therefor I need to explictly set what DataTemplate is to be used in XAML: <ContentControl Content={Binding SomePropertyOfTypeViewModel} ContentTemplate={StaticResource someTemplate} /> Now my problem is that the content control is displaying the UI of someTemplate even if the ContentControl is bound to nothing (i.e ViewModel.SomePropertyOfTypeViewModel is null) Is there a quick and easy way to make all ContentControls display nothing if they are currently bound to nothing? When I use implicit DataTemplates everything works as expected. Unfortunately I can't use this mechanism here.

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• Custom date time picker for Windows Forms that is locked to GMT time

  - by m3ntat

  Using Visual Studio 2008, c#, .net 2.0. I have a Windows Forms client application that contains a scheduling UI section, currently this is housed only in the London office with the standard datetime picker control, the selected time is saved in a UK database (GMT) and a London based server aapplication processes the schedules. There is a requirement to roll the client out to various global locations, Hong Kong, New York etc and allow them to setup schedules that run according to GMT time on the London server. I'll have a label on screen saying "note schedules are GMT" what I need is a good way to present a datetime picker that always shows and is in sync with the database server's GMT time regardless of where the client app is running globally. Suggestions on how to acheive this? thanks.

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• flash video covering JQueryUI model dialog

  - by user200295

  I have a site with a flash SWF on the home page. I have a login dialog that is displayed using the jquery ui modal. The modal dialog is being covered by the SWF movie when it opens. I tried setting the z-index etc but nothing seems to stop the SWF from covering the log in. Is there any way to force the SWF movie to the background? The SWF uses src="support/AC_RunActiveContent.js" if that helps isolate the version.

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• Service Call very slow if going through HttpHandler

  - by JohnIdol

  I have a WCF client pointing to a WebSphere service. All is good in normal situation except when my calls to the service originate from an HttpHandler - in this case the calls are extremely slow (it takes up to 10 times longer). If I send the exact same envelopes through Soap-UI or without an HttpHandler it's all good. If the envelope is the same the only thing left is the HttpHeader. Would the fact that I am going through an HttpHandler cause changes HttpHeaders compared to normal scenarios? What should I be looking for and is there some config setting that might do the trick? Any help appreciated!

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• JavaScript and PHP filename coding conventions

  - by Tower

  Hi, I would like to know the popular ways of naming files in JavaScript and PHP development. I am working on a JS+PHP system, and I do not know how to name my files. Currently I do for JS: framework/ framework/widget/ framework/widget/TextField.js (Framework.widget.TextField()) Framework.js (Framework()) So, my folders are lowercase and objects CamelCase, but what should I do when the folder/namespace requires more than one word? And what about PHP? jQuery seems to follow: jquery.js jquery.ui.js jquery.plugin-name.js so that it is jquery(\.[a-z0-9-])*\.js but ExtJS follows completely different approach. Douglas Crockford only gives us details about his preference for syntax conventions.

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• Tap, Pan for a map & fixed headers - event conflict

  - by kaiser

  I'm currently developing a small WebApp that makes use of Google Maps (front-end uses jquery-ui-maps) jQuery Mobile with a fixed header & footer Now I encountered a conflict that appears on touch enabled devices as well as on desktop/mouse controlled "click" events: When I "tap" or "click" the map to actually "pan" it, then my header/footer toggles it's visibility. As I want to keep the toggle behaviour, I can't simply deactivate it, but showing/hiding the header/footer on every "pan" of the map is odd. After thinking some time about it, I think I got a concept that should work: Question: How I can I add a delay to the visibility toggle for the header/footer? So when I don't release the finger/mouse after XYms, the header/footer doesn't show/hide? Example: jQuery( '#map_page' ).live( "pageinit" ,function() { // Att.: pseudo code if ( $.mobile.taphold ) don't toggle fixed if ( mousedown > XYms ) don't toggle fixed } ); Thanks!

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• JavaScript data formatting/pretty printer

  - by Dan

  I'm trying to find a way to 'pretty print' a JavaScript data structure in a human-readable form for debugging. I have a rather big and complicated data structure being stored in JS and I need to write some code to manipulate it. In order to work out what I'm doing and where I'm going wrong, what I really need is to be able to see the data structure in its entirety, and update it whenever I make changes through the UI. All of this stuff I can handle myself, apart from finding a nice way to dump a JavaScript data structure to a human-readable string. JSON would do, but it really needs to be nicely formatted and indented. I'd usually use Firebug's excellent DOM dumping stuff for this, but I really need to be able to see the entire structure at once, which doesn't seem to be possible in Firebug. Any suggestions welcome, thanks in advance.

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• DataContext Refresh and PropertyChanging & PropertyChanged Events

  - by Scott

  I'm in a situation where I am being informed from an outside source that a particular entity has been altered outside my current datacontext. I'm able to find the entity and call refresh like so MyDataContext.Refresh(RefreshMode.OverwriteCurrentValues, myEntity); and the properties which have been altered on the entity are updated correctly. However neither of the INotifyPropertyChanging INotifyPropertyChanged appear to be raised when the refresh occurs and this leaves my UI displaying incorrect information. I'm aware that Refresh() fails to use the correct property getters and setters on the entity to raise the change notification events, but perhaps there is another way to accomplish the same thing? Am I doing something wrong? Is there a better method than Refresh? If Refresh is the only option, does anyone have a work around?

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• How can I prevent my Android app/service from being "killed" from a task manager?

  - by Don

  It is very important that my service stay running until someone with a password stops the service from my UI screen. My app runs great but it is designed to be turned on/off by parents (with a password) on their kids phones. I have managed to make everything work but the problem I'm having is that if the kid uses a task manager to kill my service then my app is useless. I would be grateful to anyone who knows a way to either 1) monitor the service and start it back up automatically if its "killed" or 2) prevent someone from being able to kill it except from the activity (administration screen) that launched the service. Or both? I'm sorry if I'm not very clear in describing the problem, I'm a beginner. I've made great progress so far but I am stuck at this last hurdle.

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• Problems with list<T> in Asp.Net c#

  - by Johnathan Nardia

  I'm making a web app in Asp.Net using c# that lets you add items into the list. My problem is that each time that i click the button to add a new item into the list , its just shows me the last item and the list counter shows me only 1 . What am I doing wrong?? Here is the code : public partial class home : System.Web.UI.Page { List<string> messageboxs = new List<string>(); public string val = ""; public string data = ""; protected void Button1_Click(object sender, EventArgs e) { val = ""; messageboxs.Add(text1.Text); ListBox1.DataSource = messageboxs; ListBox1.DataBind(); val = messageboxs.Count.ToString(); } }

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• Is there a non-blocking version of MessageBox.Show (or something like it)?

  - by Dan Tao

  Often you just want to notify the user that something has occurred, but there's really no need for any input from them. In this common scenario, I sometimes see code like this: MessageBox.Show("Something has occurred", "Something", MessageBoxButtons.OK); This code, as we all know, causes a little pop-up window to appear with only an OK button. Now here's the thing: this code blocks (the UI thread). But in the vast majority of cases, it seems to me, if you only have an OK button, there's very little need to block. (Isn't the purpose of blocking typically to receive some input from the user? And if the user's only choice is "OK," in this typical case, isn't blocking pretty pointless?) Obviously I could just write my own little form that does basically exactly what MessageBox.Show does, except that it returns nothing (no DialogResult) and doesn't block. But I was just wondering if something like this exists already that I didn't know about.

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• Is there a recommended way to use the Observer pattern in MVP using GWT?

  - by Tomislav Nakic-Alfirevic

  I am thinking about implementing a user interface according to the MVP pattern using GWT, but have doubts about how to proceed. These are (some of) my goals: - the presenter knows nothing about the UI technology (i.e. uses nothing from com.google.*) - the view knows nothing about the model or the presenter - the model knows nothing of the view or the presenter (...obviously) I would place an interface between the view and the presenter and use the Observer pattern to decouple the two: the view generates events and the presenter gets notified. What confuses me is that java.util.Observer and java.util.Observable are not supported in GWT. This suggests that what I'm doing is not the recommended way to do it, as far as GWT is concerned, which leads me to my questions: what is the recommended way to implement MVP using GWT, specifically with the above goals in mind? How would you do it?

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• How to add a TabBar to NavigationController based iPhone app

  - by Alex

  I have a simple NavigationController based app. The main window shows a TableView and selecting an item loads a sub-view. I used Interface Builder for UI views. Now I want to add a TabBar to the app. Where do I put it? Do I need a TabBarController? Should it go in the MainWindow.xib, or RootViewController.xib? How do I tie it together with my NavigationController?

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• iPhone Application And PayPal

  - by SK

  I want to integrate PayPal payment facility into my native iPhone application without using web interface so user does not have to leave from the current application. How can it be possible ? Should I use SOAP XML request/response mechanism? I come through following link http://www.slideshare.net/paypalx/learn-how-to-use-paypal-api-to-monetize-your-mobile-app. It contains In application Mobile Checkout via Mobile Web slide that represents the sample UI to access PayPal but how can I implement the same thing? Is it legal to use PayPal to deliver virtiual goods/Application Functionality or Apple can reject this ? Thanks.

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• How to position an element so that it does not flow off the visible screen

  - by rjray

  I am creating pseudo-tooltips on a page that has a lot of "a" and "span" elements that have these tips associated with them. Everything in the creation of the element is fine, and it displays fine. However, since this is a page with a lot of data, as you get towards the bottom of the visual area the tooltips start to flow past the bottom edge of the window. My initial attempt to compensate for this with window.innerWidth/innerHeight didn't come out too well. I'm using jQuery for DOM manipulation (but not jQuery UI). Given the event itself, and the height and width of the tooltip (which I can get with getBoundingClientRect()), how can I position this element so that the bottom of the tooltip is never below the edge of the window?

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• Embedding Youtube Videos on user's wall with the Javascript API

  - by dragonmantank

  I'm attempting to embed a Youtube video on a user's wall using the Javascript API. I've poured over a bunch of different tutorials and came up with this: var data = { method: 'feed', link: current_video_url, // Link to the vide on our site source: current_video_src, // Link to the Youtube video, http://youtube.com/v/[hash] picture: current_picture_url, // Thumbnail from youtube title: current_video_title, // Title from our page caption: current_video_description // Text from our page } FB.ui(data); Running the Facebook Debugger shows that the current_video_url link is being properly parsed for OG tags and is available as an embedded video. I ran a debugger and all the variables are being properly set in the data variable. This worked fine for about 2 days, and then we pushed the site live. We set up a new AppID in Facebook but now all the videos are just thumbnails instead of being embedded in the user's wall. I thought maybe this is a problem with the live site but now the dev site is broken too. What's the best way to get this to work consistently?

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• Looking for Suggestion on Multi-Consumer Service Development

  - by DaveDev

  How would I model a system that needs to be able to provide content in a format that would be consumable by iphone, Android or web browser (or whatever). All a new consumer would have to do is build a UI with rules on how to handle the data. I'm thinking something RESTful returning JSON or something. I'm really looking for suggestions on the kinds of things I'd need to learn in order to be able to implement a system on this scale. As an ASP.NET MVC developer, would that be the best framework/archetectrue to go with? Thanks

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• Is WPF a good choice for developing line of business user interfaces?

  - by Randy Minder

  We're debating whether our future Windows UI development should be WinForms or WPF. How have some of you made this decision? Most of our applications are LOB applications, and I'm not sure I see a clear and overwhelming benefit to WPF for these types of applications. However, my knowledge of WPF is limited. I'm also a little concerned that WPF will be in vogue for another couple years and then Microsoft will get tired of it and push something else on us. I guess one argument against this is the fact that Visual Studio 2010 is a WPF application. Thanks.

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• sharing web user controls across projects.

  - by Kyle

  I've done this using a regular .cs file that just extends System.Web.UI.UserControl and then included the assembly of the project that contains the control into other projects. I've also created .ascx files in one project then copied all ascx files from a specified folder in the properties-Build Events-Pre-build event. Now what I want to do is a combination of those two: I want to be able to use ascx files that I build in one project, in all of my other projects but I want to include them just using assembly references rather than having to copy them to my "secondary" projects as that seems a ghetto way to accomplish what I want to do. It works yes, but it's not very elegant. Can anyone let me know if this even possible, and if so, what the best way to approach this is?

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• In an ASP.NET Web Site Project, what is the best option to manage modular widgets

  - by Juan Sagasti

  We are creating a modular Web Site Project and all the UI is based on simple html pages with javascript widgets. These widgets obtain the data from a WCF class located in the app_code folder. Each widget has 3 files [ js, css , cs] and an image directory: , and we want all these files to be located under the same directory, say: /widgets/mywidget/ The problem is that the .cs file needs to be in the app_code folder to be compiled dynamically and that would break our widget modularity forcing the installator to distribute the widget code in two places. One of the options is use compiled assemblies instead of .cs files and use Assembly.Load() or smthg similar to load them when needed. What other options do you see?

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• Cocoa Touch - Display an Activity Indicator while loading a UITabBar View

  - by Aurum Aquila

  I have a UITabBar Application with two views that load large amounts of data from the web in their "viewWillAppear" methods. I want to show a progress bar or an activity indicator while this data is being retrieved, to make sure the user knows the app isn't frozen. I am aware that this has been asked before. I simply need some clarification on what seems to be a rather good solution. I have implimented the code in the example. The question's original asker later solved their problem, by putting the retrieval of data into another "thread". I understand the concept of threads, but I do not know how I would impliment this. With research, I have found that I need to move all of my heavy data retrieval into a background thread, as all of the UI updating occurs in the main thread. If one would be so kind as to provide an example for me, I would be very appreciative. I can provide parts of my existing code as necessary.

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• Clustered index dilemma - ID or sort?

  - by richardtallent

  I have a table with two very important fields: id INT identity(1,1) PRIMARY KEY identifiersortcode VARCHAR(900) My app always sorts and pages search results in the UI based on identifiersortcode, but all table joins (and they are legion) are on the id field. (Aside: yes, the sort code really is that long. There's a strong BL reason.) Also, due to O/RM use, most SELECT statements are going to pull almost every column. Currently, the clustered index is on id, but I'm wondering if the TOP / ORDER BY portion of most queries would make identifiersortcode a more attractive option as the clustered key, even considering all of the table joins going on. Inserts on the table and changes to the identifiersortcode are limited enough that changing my clustered index would be a problem for insert/update operations. Trying to make the sort code's non-clustered index a covering index (using INCLUDE) is not a good option. There are a number of large columns, and some of them have a lot of update activity.

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