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  • How to detect application préference changes.

    - by Raphael Pinto
    I created a Settings.bundle in my app where the user can change some properties like font size. It works. But when I leave my App, and I change my setting, I don't know how I can get notified of the change. For the moment, I create a function call each time a view is loaded that check for app settings. But I wonder if there is an other and proper way to do this.

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  • how to clear the the activity stack in android.

    - by Sam
    Hi, im having following application flow in my android app, Login-Home-screen1-screen2-screen3-screen4- logout In the screen4 i've a log out button,which allow user to logout from the application and re login.when i re-logn to the app previous data still be shown,is there way to start the application in fresh when user log out from the app NOTE: all the above activities launch mode set to "single task", regards, Sam.

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  • Lua template processor question

    - by PeterMmm
    I'm going to use that template engine LTP . There is not so much doc available. Now i'm stuck how to pass an environment into the render engine. I have basically this: local ltp = require("ltp.template") ltp.render(io.stdout, 1, "index.dhtm", false, {}, "<?lua", "?>", { total="2400" }) What data structure should be the last parameter (env_code), a string, a table with key=val ?

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  • Silverlight and Search Engines

    - by Ben
    Hi, I have recently started learning SilverLight (and Web developement in general) and have been advised by a friend that SilverLight isn't Search engine friendly (because Silverlight isn't HTML). Is there any way of getting around this and getting my site onto the Search engine lists (without paying)? (Any advise on getting my site on search engines lists would be greatly appreciated). Thanks

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  • use qt and django to create desktop apps

    - by sandra
    Hi guys, I had this idea of creating desktop apps using django. The principe being: - Write the django app, and use something like cherrypy to serve it. - Write a Qt app in C++ to access it and this by using QtWebview (webkit) I'd like to "bundle" this in a single app. The lighter, the better :) So here are my questions and if you have better ideas and suggestions, please share them :) Is it possible to serve a django app with a c++ one? (a c++ server embedding python)? anyone did this before? Do you have some articles, blog posts? Thanks a lot!

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  • How safe is apache Commons-javaflow while using jasperreports

    - by Nayn
    Hi, I am using jasperreport and trying to pass an alternate report runner. • net.sf.jasperreports.engine.fill.JRThreadSubreportRunner: The initial thread-based implementation • net.sf.jasperreports.engine.fill.JRContinuationSubreportRunner: A Javaflow-based implementation I am using the second one (for the reason, it runs on tomcat server, and creating threads wouldn't be good while writing subreports). The second one depends on commons-javaflow which is a sandbox version. Not sure if I should use it, Could somebody suggest a better way. Thanks

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  • How to make WebKit or IE call your application (.NET) from HTML page opened in browser?

    - by Ole Jak
    I have a .NET application running on windows. I want clicking on some page element (button link flash app etc) to lunch my app with some special parameters. (It should run not just in IE but on WebKit based windows browsers too) During App install we suppose that user is Admin and is running Vista or Windows 7 or Later. So my question is - Where to get examples of such interaction (WITH source of course)? So how to make WebKit based Browser or IE call your .Net application?

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  • How to make a Scala Applet whose Applet class is a singleton?

    - by Jamie
    Hi, I don't know if a solution exists but it would be highly desirable. I'm making a Scala Applet, and I want the main Applet class to be a singleton so it can be accessed elsewhere in the applet, sort of like: object App extends Applet { def init { // do init here } } Instead I have to make the App class a normal instantiatable class otherwise it complains because the contructor is private. So the ugly hack I have is to go: object A { var pp: App = null } class App extends Applet { A.pp = this def init { // do init here } } I really hate this, and is one of the reasons I don't like making applets in Scala right now. Any better solution? It would be nice...

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  • Using Python to add/remove Ubuntu login script items

    - by codebox_rob
    I have written a Python application and would like to give my users the option of having the app automatically launch itself when the user logs in. It is important that the user is able to toggle this option on/off from within the app itself, rather than having to manually edit login scripts, so this needs to be done from within the Python code rather than from a shell script. The app is deployed on Ubuntu Linux, any suggestions for the best way of doing this?

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  • Is it possible to access raw iphone audio output?

    - by Peter Hall
    Is it possible access raw PCM data from the iphone audio output? I know I can embed an MP3 and use AudioUnit. But if the user is playing music in the background from their itunes library, is it possible to access that audio data? This is for an app that shows visual effects, which react to the music. From what I can tell, it isn't possible, but that's just from lack of finding any information at all, rather than actual confirmation that it can't be done. If it isn't possible to access the audio stream from the ipod, is it possible to access raw audio output from the Media Player inside an app, or is pretty much not permitted to access raw audio data from the itunes library at all? EDIT: I found this question: iOS - Access output audio from background program, which say I can't access the audio from a background app. But is it possible to get the audio data from the itunes library if I play it inside the app?

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  • Silverlight 4 application on localhost runs extremely slow

    - by rams
    Silverlight 4 app running in IE8 and hosted on VS2010 internal webserver. The website takes atleast a minute to download the xap and code runs slow on client (IE8). I am running the app in debug mode and have turned intellitrace off. Symbol loading is also turned off. However if I kill the VS webserver, clean the solution, the app runs fast. 3 debugging sessions later, the app slows to a crawl. Have also tried turning off McAfee live scanning but no use. Looked in event log for any clue but found none. What could be the cause of the slowness? TIA rams

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  • Rails 3 jQuery UI Slider

    - by Tyler DeWitt
    I'm trying to use the jQuery UI Slider with my rails 3 app. I've downloaded a theme and put the css file in app/assets/stylesheet and I put all the images in app/assets/images. When I load a page with a slider, I get an error that it can't find an image: GET http://10.1.10.100:3000/assets/images/ui-bg_glass_45_0078ae_1x400.png 404 (Not Found) That file is in app/assets/images/ and the css file has been edited to point to ../images/<image> Is there something else I need to do to make a jQuery slider work with Rails 3? gist with the files: https://gist.github.com/2355571

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  • How to find out where a thread lock happend?

    - by SchlaWiener
    One of our company's Windows Forms application had a strange problem for several month. The app worked very reliable for most of our customers but on some PC's (mostly with a wireless lan connection) the app sometimes just didn't respond anymore. (You click on the UI and windows ask you to wait or kill the app). I wasn't able to track down the problem for a long time but now I figured out what happend. The app had this line of code // don't blame me for this. Wasn't my code :D Control.CheckForIllegalCrossThreadCalls = false and used some background threads to modify the controls. No I found a way to reproduce the application stopping responding bug on my dev machine and tracked it down to a line where I actually used Invoke() to run a task in the main thread. Me.Invoke(MyDelegate, arg1, arg2) Obviously there was a thread lock somewhere. After removing the Control.CheckForIllegalCrossThreadCalls = false statement and refactoring the whole programm to use Invoke() if modifying a control from a background thread, the problem is (hopefully) gone. However, I am wondering if there is a way to find such bugs without debugging every line of code (Even if I break into debugger after the app stops responding I can't tell what happend last, because the IDE didn't jump to the Invoke() statement) In other words: If my apps hangs how can I figure out which line of code has been executed last? Maybe even on the customers PC. I know VS2010 offers some backwards debugging feature, maybe that would be a solution, but currently I am using VS2008.

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  • How can I use wildcard urls with Code Igniter?

    - by tarnfeld
    I am building a system that has urls like app.com/login and app.com/dothing but it will also have app.com/xOldP. The web application is build using the latest version of Code Igniter and I was wondering if there was a way to add a check in, that if the url is a controller then do that and finish, but if not, do something else (which will check the url and if its not real 404, which I can do). I was wondering how annoying this would be :/ Some sample code or links would be great!

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  • Grails default root path

    - by srinath
    Hi, Is there a variable where we can find out the root directory of my Grails application? I tried request.getSession().getServletContext().getRealPath("/") But shows tmp/App-Test-0.1/ . My app is located in tomcat "/home/srinath/work/projects/tomcat-6.0.18/webapps/App-Test-0.1" could any one help me . thanks in advance, sri..

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  • How can I improve the recursion capabilities of my ECMAScript implementation?

    - by ChaosPandion
    After some resent tests I have found my implementation cannot handle very much recursion. Although after I ran a few tests in Firefox I found that this may be more common than I originally thought. I believe the basic problem is that my implementation requires 3 calls to make a function call. The first call is made to a method named Call that makes sure the call is being made to a callable object and gets the value of any arguments that are references. The second call is made to a method named Call which is defined in the ICallable interface. This method creates the new execution context and builds the lambda expression if it has not been created. The final call is made to the lambda that the function object encapsulates. Clearly making a function call is quite heavy but I am sure that with a little bit of tweaking I can make recursion a viable tool when using this implementation. public static object Call(ExecutionContext context, object value, object[] args) { var func = Reference.GetValue(value) as ICallable; if (func == null) { throw new TypeException(); } if (args != null && args.Length > 0) { for (int i = 0; i < args.Length; i++) { args[i] = Reference.GetValue(args[i]); } } var reference = value as Reference; if (reference != null) { if (reference.IsProperty) { return func.Call(reference.Value, args); } else { return func.Call(((EnviromentRecord)reference.Value).ImplicitThisValue(), args); } } return func.Call(Undefined.Value, args); } public object Call(object thisObject, object[] arguments) { var lexicalEnviroment = Scope.NewDeclarativeEnviroment(); var variableEnviroment = Scope.NewDeclarativeEnviroment(); var thisBinding = thisObject ?? Engine.GlobalEnviroment.GlobalObject; var newContext = new ExecutionContext(Engine, lexicalEnviroment, variableEnviroment, thisBinding); Engine.EnterContext(newContext); var result = Function.Value(newContext, arguments); Engine.LeaveContext(); return result; }

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  • Is iOS6 simulator buggy when deleting applications?

    - by davsan
    Frequently, when I try to delete an app on the iOS 6 simulator that comes with Xcode 4.5, the simulator freezes. What I do is just long press on the app. Delete dialog doesn't come up and the icons keep on wiggling. Quitting and re-opening the simulator does not help to delete the app. I've tried to delete the app's folder from /Library/Application Support/iPhone Simulator/5.1/Applications folder. Sometimes this helps but sometimes even this doesn't delete the icon from the simulator. This behavior is independent of the iOS version or the device model. It's the same whichever model/iOS I choose. The only thing that helps is using the Reset Contents and Settings option of the simulator. Do you experience the same frustration? If so, have you figured out a workaround besides resetting the simulator completely?

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  • iphone photo maximum size

    - by aditya
    Hi all i want to know there a limitation in size for an iphone to display an image? as the resolution of iphone is 320*480 px. i am developing an app which fetches photos from an URL and that URL contains some photos os size 600KB.So when i launch the app in simulator it behaves properly but in device the application crashes as soon as photos with higher resolution are displayed , and when lower resolution photos are displayed the app does not crash in the device.

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  • Embedded Record is not getting loaded in Ember.js

    - by Venky
    Following is the JSON data I am trying to load using ember-data: { "product" : [ { "id" : 1, "name" : "product1", "master" : { "id" : 1, "name" : "product1", "images" : [ { "id" : 1, "productUrl" : "/images/product1_1.jpg" }, { "id" : 2, "productUrl" : "/images/product1_2.jpg" } ] } }, { "id" : 2, "name" : "product2", "master" : { "id" : 2, "name" : "product2", "images" : [ { "id" : 3, "productUrl" : "/images/product2_1.jpg" }, { "id" : 4, "productUrl" : "/images/product2_2.jpg" } ] } } ] } The models are as follows: App.Product = DS.Model.extend name: DS.attr('string') description: DS.attr('string') master: DS.belongsTo('master') App.Master = DS.Model.extend images: DS.hasMany('image') App.Image = DS.Model.extend productUrl: DS.attr('string') The Application Serializer code is as follows: App.ApplicationSerializer = DS.ActiveModelSerializer.extend(DS.EmbeddedRecordsMixin, attrs: { images: { embedded : 'always' } master: { embedded : 'always' } } ) The problem is that the "master" model records are being returned empty. I am not sure, where I am going wrong. I am using the following platform configuration: ember-source (1.4.0) ember-data-source (1.0.0.beta.7) ember-rails (0.15.0) Rails (4.1.0) Thanks

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  • Convert WPF application to Silverlight

    - by Polaris
    Hello friends. I have WPF Application. Is it possible to quickly convert WPF app to Silvelight application, if not which technic I have to use to transform my WPF app to Silverlight. And also I want to know about limitations of Silvelight app. Thank you in advance.

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  • Change default Console I/O functions handle.

    - by b-gen-jack-o-neill
    Hello. Is it possible to somehow change standart I/O functions handle on Windows? Language preffered is C++. If I understand it right, by selecting console project, compiler just pre-allocate console for you, and operates all standart I/O functions to work with its handle. So, what I want to do is to let one Console app actually write into another app Console buffer. I though that I could get first´s Console handle, than pass it to second app by a file (I don´t know much about interprocess comunication, and this seems easy) and than somehow use for example prinf with the first app handle. Can this be done? I know how to get console handle, but I have no idea how to redirect printf to that handle. Its just study-purpose project to more understand of OS work behind this. I am interested in how printf knows what Console it is assiciated with.

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  • Can't find momd file: Core Data problems

    - by thekevinscott
    Aw geez! I screwed something up! I'm a Core Data noob, working on my first iOS app. After much Stack Overflowing I'm using this code: NSString *path = [[NSBundle mainBundle] pathForResource:@"CoreData" ofType:@"momd"]; if (!path) { path = [[NSBundle mainBundle] pathForResource:@"CoreData" ofType:@"mom"]; } NSAssert(path != nil, @"Unable to find Resource in main bundle"); CoreData is the name of my app. I've tried to put in initial data into the app by finding the path to the sqlite file in my iPhone simulator, and then going and inserting into that sqlite file. But at some point, I moved the sqlite (thinking it would create a fresh copy), deleted the app from the simulator, and the sqlite file is gone. I'm not sure if I'm leaving out some part of the process (this was a few hours ago) but the end result is that everything is screwed up. How do I resubstantiate this sqlite / momd file? "Clean" and "Clean all targets" are grayed out. I'm happy to post the relevant code from my app that would help shed some light on this problem but there's tons of code relating to Core Data which I don't understand, so I'm not sure what part to post! Any help is greatly appreciated.

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