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  • What exactly is "Web API" in ASP.Net MVC4?

    - by James P. Wright
    I know what a Web API is. I've written API's in multiple languages (including in MVC3). I'm also well practiced in ASP.Net. I just discovered that MVC4 has "Web API" and without going through the video examples I can't find a good explanation of what exactly it IS. From my past experience, Microsoft technologies (especially ASP.Net) have a tendency to take a simple concept and wrap it in a bunch of useless overhead that is meant to make everything "easier". Can someone please explain to me what Web API in MVC4 is exactly? Why do I need it? Why can't I just write my own API?

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  • Why aren't more desktop apps written with Qt?

    - by Dehumanizer
    As far as I know and have understood in my experience with Qt, it's a very good and easy to learn library. It has a very well designed API and is cross-platform, and these are just two of the many features that make it attractive. I'm interested to know why more programmers don't use Qt. Is there a deficiency which speaks against it? Which feature makes other libraries better than Qt? Is the issue related to licensing?

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  • How stable are Single Page Application (SPA) build with Microsoft .Net for enterprise application [on hold]

    - by Husrat Mehmood
    Imagine a situation where you have your data loading to your application via REST Api,you are building a responsive application(ajax request) for an Enterprise. What potential problems might I run into for a single page application(SPA) using Microsoft Asp.Net Web application build using MVC template? Are there advantages to just designing a multi-page application using asp.net mvc 5 remember I am using SPA for an Enterprise Application where there are role based views for the users.?

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  • Asynchronously returning a hierarchal data using .NET TPL... what should my return object "look" like?

    - by makerofthings7
    I want to use the .NET TPL to asynchronously do a DIR /S and search each subdirectory on a hard drive, and want to search for a word in each file... what should my API look like? In this scenario I know that each sub directory will have 0..10000 files or 0...10000 directories. I know the tree is unbalanced and want to return data (in relation to its position in the hierarchy) as soon as it's available. I am interested in getting data as quickly as possible, but also want to update that result if "better" data is found (better means closer to the root of c:) I may also be interested in finding all matches in relation to its position in the hierarchy. (akin to a report) Question: How should I return data to my caller? My first guess is that I think I need a shared object that will maintain the current "status" of the traversal (started | notstarted | complete ) , and might base it on the System.Collections.Concurrent. Another idea that I'm considering is the consumer/producer pattern (which ConcurrentCollections can handle) however I'm not sure what the objects "look" like. Optional Logical Constraint: The API doesn't have to address this, but in my "real world" design, if a directory has files, then only one file will ever contain the word I'm looking for.  If someone were to literally do a DIR /S as described above then they would need to account for more than one matching file per subdirectory. More information : I'm using Azure Tables to store a hierarchy of data using these TPL extension methods. A "node" is a table. Not only does each node in the hierarchy have a relation to any number of nodes, but it's possible for each node to have a reciprocal link back to any other node. This may have issues with recursion but I'm addressing that with a shared object in my recursion loop. Note that each "node" also has the ability to store local data unique to that node. It is this information that I'm searching for. In other words, I'm searching for a specific fixed RowKey in a hierarchy of nodes. When I search for the fixed RowKey in the hierarchy I'm interested in getting the results FAST (first node found) but prefer data that is "closer" to the starting point of the hierarchy. Since many nodes may have the particular RowKey I'm interested in, sometimes I may want to get a report of ALL the nodes that contain this RowKey.

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  • Google met à jour l'API Google Maps, qui permet aux applications Android d'exploiter au maximum le service de cartographie

    Google met à jour l'API Google Maps qui permet désormais aux applications Android d'exploiter au maximum le service de cartographie Google vient d'annoncer dans un billet de blog la mise à jour de son API Google Maps. Pour rappel, Google Maps API est une bibliothèque permettant d'intégrer dans une application une carte du service Google Maps et d'utiliser ses fonctionnalités comme le zoom, le marker et bien d'autres. Cette mise à jour de l'API concerne essentiellement les développeurs d'applications pour les terminaux Android. Google Maps Android API v2 s'enrichit de plusieurs nouvelles fonctionnalités permettant d'exploiter au maximum le service Google Maps...

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  • CUDA Driver API vs. CUDA runtime

    - by Morten Christiansen
    When writing CUDA applications, you can either work at the driver level or at the runtime level as illustrated on this image (The libraries are CUFFT and CUBLAS for advanced math): I assume the tradeoff between the two are increased performance for the low-evel API but at the cost of increased complexity of code. What are the concrete differences and are there any significant things which you cannot do with the high-level API? I am using CUDA.net for interop with C# and it is built as a copy of the driver API. This encourages writing a lot of rather complex code in C# while the C++ equivalent would be more simple using the runtime API. Is there anything to win by doing it this way? The one benefit I can see is that it is easier to integrate intelligent error handling with the rest of the C# code.

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  • Flash 10 (AS3): Pass Parameters to fscommand (from Projector)?

    - by yar
    Here is my shell script (fscommand/blah.sh): open -a /Applications/TextMate.app/ $1 and here is my ActionScript 3.0: flash.system.fscommand("exec", "blah.sh blah.txt"); this does not work. If I get rid of the $1 from the shell script and the blah.txt it works fine. How can I pass parameters to the shell script? (yes, the shell script works fine with the parameter when called from the command line). Note: This is on OSX but I need this to work on Windows as well. Edit: "Doesn't work" also means no trace, no error :)

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  • Require extended permissions in FBML pyfacebook app

    - by jlpp
    I'm trying to get my FBML canvas page to automatically prompt new app users for permission to publish_stream. Following Facebook's documentation I tried using the required_permissions argument to require_login. That is, I tried to use the pyfacebook require_login decorator like this: @facebook.require_login(required_permissions='publish_stream') as in: @decorator_from_middleware(FacebookMiddleware) @facebook.require_login(required_permissions='publish_stream') def canvas(request, template): ... Requesting extended permissions in a pyfacebook-based Facebook iFrame app has been discussed. Requesting extended permissions in an FBML app too. My objective is to require extended permissions in an FBML app. Am I missing something or can anyone suggest a workaround? Thanks.

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  • AS3 OOP MVC with PHP

    - by Pepe Sanchez
    Im new to ActionScript and Flex 3... im trying to develop an MVC 100% OOP application with Flex 3 using MXML,AS3 and PHP. M (PHP) V (MXML) C (AS3) The 3 layers i choose for my development. I have 10 AS3 classes that are object related between them and some inherit or implement interfaces. The only problem here is how to interact 100% OOP with my model. In this case my model has to be a PHP Class that needs to be called from AS3 (the controller). For example the AS3 class : Patient have a method called Save: public function Save(data:Array) : void { /* PHP call - model layer */ } I want to create an instance of my PHP Patient Model class that connects to the DB and insert the data array into it. What should i use ? how can i also return a variable to AS3 ? What happen to as3 if there is a cached Exception in PHP ? Thanks in advanced :)

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  • File sharing service with an API?

    - by zoul
    Hello! Is there a file sharing service akin to Dropbox or SugarSync that would offer an API? I would like to add a file sharing service to a website, but the full Dropbox interface is still too complicated for my users, so that I’d like an API to build a dead-simple list of files integrated to the website. There is a Dropbox API project on Google Code, but it seems to be dead. PS: Extra points if the service has a free plan.

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  • HTML form -> Flash submit button -> Set a PHP variable in flash button -> Submit form

    - by RobHardgood
    Okay, I'm sorry that this is pretty complicated, but it shouldn't be that hard to solve... Here's what I want to do. I have an HTML form that I want to upload to MySQL with PHP. That part's easy, but the thing is I want the submit button to be a Flash object. Somehow I need the Flash button to submit the form, but I think I can figure that out. The tricky part is that I need it to set another PHP variable before submitting the form. The variable will be determined by a bunch of stuff, but I can code that in actionscript later. I just need to figure out how to pass the variable back to the webpage. A $_POST variable would probably be fine. Thanks!! Let me know if I need to clarify more...

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  • Flex ProgressBar component problem

    - by Abhinav
    I am trying to use the ProgressBar Flex component inside a custom Actionscript 3.0 component derived from the UIComponent class. I have set the minimum and maximum values etc. _progressBar = new ProgressBar(); _progressBar.label = "Loading"; _progressBar.minimum = 0; _progressBar.maximum = 100; _progressBar.direction = ProgressBarDirection.RIGHT; _progressBar.mode = ProgressBarMode.MANUAL; The component shows the "Loading" text but not the loading bar. Anything like _progressBar.setProgress(20, 100) does not have any effect on the code. Any ideas why this is not working?

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  • Flex HTTPService security error using Safari

    - by Ryan M
    I'm using the HTTPService object in actionscript to send some data to a php file on another server which then inserts the data to a database. I set up the crossdomain.xml file in the root of the directory that contains the php file to get around any security issues. Everything works fine on Firfox 3.5 (on mac and pc) and on IE 7 & 8. When testing on Safari 4 I get an error which would be expected when a crossdomain.xml doesn't exist. [RPC Fault faultString="Security error accessing url" faultCode="Channel.Security.Error" faultDetail="Destination: DefaultHTTP"] at mx.rpc::AbstractInvoker/http://www.adobe.com/2006/flex/mx/internal::faultHandler() at mx.rpc::Responder/fault() at mx.rpc::AsyncRequest/fault() at DirectHTTPMessageResponder/securityErrorHandler() at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at flash.net::URLLoader/redirectEvent() Any ideas on how to get this to work on Safari? It's seems as if Safari isn't accessing the crossdomain.xml file.

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  • Google Visualization API chart in Blogger / Blogspot

    - by gotgenes
    Is it possible to embed (chart) visualizations created by the Google Visualization API in a Blogger post? I tried stripping out the <head> and <body> tags (and closing tags) from the pie chart example, however, the pie chart visualization fails to render, even on a published post. NOTE: I'm asking about the Visualization API, rather than the Google Image Charts (Charts API).

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  • Hidden Features of MXML

    - by Ole Jak
    What are some of the hidden features of MXML? MXML being used in Flex Framework became quite popular language (because Flash Player is something every PC has and Flash Builder, Flash Catalist are quite popular Adobe programms) So at least from the existing features, do you know any that are not well known but very useful. Of course, this question is along the lines of: Hidden Features of ActionScript Hidden Features of JavaScript Hidden Features of CSS Hidden Features of C# Hidden Features of VB.NET Hidden Features of Java Hidden Features of ASP.NET Hidden Features of Python Hidden Features of TextPad Hidden Features of Eclipse Hidden Features of HTML Please specify one feature per answer. Note that it's not always a great idea to use these hidden features; often times they are surprising and confusing to others reading your code.

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  • Duplicate image with Haxe

    - by Johnny Oin
    Hello, My goal is to make a wide map using only one square image. Using actionscript 3 the solution is to simply make new Bitmap from the Loader: var loader:Loader = new Loader(); loader.load(new URLRequest("xyz.png")); this.addChild(loader); var duplicationBitmap:Bitmap = new Bitmap(Bitmap(loader.content).bitmapData); Unluckily, Haxe API doesn't allow to do that. I can't get bitmapData from loader content… Anyone has a clue? Thanks.

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  • Google Maps API Geocode gives error "Invalid label" in Firefox

    - by Bennystijn
    Today I struggled with the following: $.ajax({url:'http://maps.google.com/maps/api/geocode/jsonaddress=Karachi&sensor=false&output=json&callback=?', dataType: 'json', success: function(data){ //eval("("+data+")"); alert(data); } }); Firefox gives the error "Invalid Label" and Chrome "Uncaught SyntaxError: Unexpected token :". I found a lot of posts about this, and I tried all kinds of things like eval(), but also: $.getJSON('http://maps.google.com/maps/api/geocode/jsonaddress=Karachi&sensor=false&output=json&callback=?', function(data){ //eval("("+data+")"); alert(data); } ); Same result. Also, other json data works fine, for instance flickr ("http://api.flickr.com/services/feeds/photos_public.gne?tags=cat&tagmode=any&format=json&jsoncallback=?). So it has something to do with the Google Maps API output i guess.. Thanks in advance.

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  • ScrollPane has type of "movieclip" in attached movieclip

    - by Chris Porter
    var spw:MovieClip = contentsLayer.attachMovie("ScrollPaneWrapper", "ScrollPaneWrapper123", contentsLayer.getNextHighestDepth()); var sp_:ScrollPane = spw.sp; Here typeof(sp_) == "movieclip" and I can't set any content to it. I've tried exporting it for ActionScript, exporting the wrapper movieclip "ScrollPaneWrapper" and "Export in Frame 1" and all combinations of these options. What's more weird is that I have another Flash project in which I can access the ScrollPane as expected and I can't tell any differences between the two projects. Casting the spw.sp to ScrollPane results in null.

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  • Can we use JCR API over MySQL?

    - by n_mysql
    Apache Jackrabbit (or the JCR API) helps you separate the data store from the data management system. This would mean that every data store provider would have to implement the JCR API for his own data store. The question is JCR implemented for MySQL? Can we use the JCR API over MySQL? I want to truly abstract out where i store my content, so that tomorrow if i don't want to use a relational DB i can swap it out with the file system with ease.

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  • How to implement Google Maps new version of API v2

    - by bapatla
    Hi every one I came to know that google maps has deprecated its previous version API v1 and introduced a new version of google maps API v2. I tried out one example by following some links in google any how i am pretty sure that i got the api key correctly by providing the exact hash key code and managed to get the correct api key. Now i managed to write some code as well but when i tried to execute the code i am getting the errors please help me to solve this here is my code and i even tried the sample codes provided by google play services an i got the same problem this is the sample that i have done by referring some links in google main activity package com.example.apv; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.MapFragment; import com.google.android.gms.maps.model.BitmapDescriptorFactory; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.maps.model.MarkerOptions; import android.os.Bundle; import android.app.Activity; import android.app.FragmentManager; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); FragmentManager fragmentManager = getFragmentManager(); MapFragment mapFragment = (MapFragment) fragmentManager.findFragmentById(R.id.map); GoogleMap googleMap = mapFragment.getMap(); LatLng sfLatLng = new LatLng(37.7750, -122.4183); googleMap.setMapType(GoogleMap.MAP_TYPE_NORMAL); googleMap.addMarker(new MarkerOptions() .position(sfLatLng) .title("San Francisco") .snippet("Population: 776733") .icon(BitmapDescriptorFactory.defaultMarker( BitmapDescriptorFactory.HUE_AZURE))); googleMap.getUiSettings().setCompassEnabled(true); googleMap.getUiSettings().setZoomControlsEnabled(true); googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(sfLatLng, 10)); } } main.xml <?xml version="1.0" encoding="utf-8"?> <fragment xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/map" android:layout_width="match_parent" android:layout_height="match_parent" class="com.google.android.gms.maps.MapFragment"/> and finally my manifest file <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.apv" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17"/> <permission android:name="com.codebybrian.mapsample.permission.MAPS_RECEIVE" android:protectionLevel="signature"/> <!--Required permissions--> permission oid:name="com.codebybrian.mapsample.permission.MAPS_RECEIVE"/> <!--Used by the API to download map tiles from Google Maps servers: --> <uses-permission android:name="android.permission.INTERNET"/> <!--Allows the API to access Google web-based services: --> <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> <!--Optional permissions--> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/> <!--Version 2 of the Google Maps Android API requires OpenGL ES version 2 --> <uses-feature android:glEsVersion="0x00020000" android:required="true"/> application android:label="@string/app_name" android:icon="@drawable/ic_launcher"> <activity android:name=".MyMapActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> <meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="AZzaSSsBmhi4dXoKSylGGmjkQ5Jev9UdAJBjk"/> </application> </manifest> i run my application in emulator of version 4.2 and api level of 17 i got following error 12-17 10:06:52.590: E/Trace(826): error opening trace file: No such file or directory (2) 12-17 10:06:52.590: W/Trace(826): Unexpected value from nativeGetEnabledTags: 0 12-17 10:06:52.590: W/Trace(826): Unexpected value from nativeGetEnabledTags: 0 12-17 10:06:52.590: W/Trace(826): Unexpected value from nativeGetEnabledTags: 0 12-17 10:06:52.680: I/ActivityThread(826): Pub com.google.android.gms.plus;com.google.android.gms.plus.action: com.google.android.gms.plus.provider.PlusProvider 12-17 10:06:52.740: W/Trace(826): Unexpected value from nativeGetEnabledTags: 0 12-17 10:06:52.740: W/Trace(826): Unexpected value from nativeGetEnabledTags: 0 12-17 10:06:52.760: W/Trace(826): Unexpected value from nativeGetEnabledTags: 0 later i came to know that these version cant execute in emulator so i tried executing it with two devices one is Sony xperia u of android version 2.3.7 and Samsung galaxy tab of android version 4.1.1 and these are my outputs 12-17 14:37:02.468: D/AndroidRuntime(7636): Shutting down VM 12-17 14:37:02.468: W/dalvikvm(7636): threadid=1: thread exiting with uncaught exception (group=0x41f672a0) 12-17 14:37:02.476: E/AndroidRuntime(7636): FATAL EXCEPTION: main 12-17 14:37:02.476: E/AndroidRuntime(7636): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.apv/com.example.apv.MyMapActivity}: java.lang.ClassNotFoundException: com.example.apv.MyMapActivity 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2021) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2122) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.app.ActivityThread.access$600(ActivityThread.java:140) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1228) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.os.Handler.dispatchMessage(Handler.java:99) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.os.Looper.loop(Looper.java:137) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.app.ActivityThread.main(ActivityThread.java:4895) 12-17 14:37:02.476: E/AndroidRuntime(7636): at java.lang.reflect.Method.invokeNative(Native Method) 12-17 14:37:02.476: E/AndroidRuntime(7636): at java.lang.reflect.Method.invoke(Method.java:511) 12-17 14:37:02.476: E/AndroidRuntime(7636): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller .run(ZygoteInit.java:994) 12-17 14:37:02.476: E/AndroidRuntime(7636): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:761) 12-17 14:37:02.476: E/AndroidRuntime(7636): at dalvik.system.NativeStart.main(Native Method) 12-17 14:37:02.476: E/AndroidRuntime(7636): Caused by: java.lang.ClassNotFoundException: com.example.apv.MyMapActivity 12-17 14:37:02.476: E/AndroidRuntime(7636): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61) 12-17 14:37:02.476: E/AndroidRuntime(7636): at java.lang.ClassLoader.loadClass(ClassLoader.java:501) 12-17 14:37:02.476: E/AndroidRuntime(7636): at java.lang.ClassLoader.loadClass(ClassLoader.java:461) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.app.Instrumentation.newActivity(Instrumentation.java:1068) 12-17 14:37:02.476: E/AndroidRuntime(7636): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2012) 12-17 14:37:02.476: E/AndroidRuntime(7636): ... 11 more could any one please suggest me to how to get this done and give me some links of new version API v2 tutorials of google maps and some examples links please help me

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  • Twitter mood API

    - by user220755
    Is there a twitter API that returns mood? I have seen some websites that return the mood of a specific tweet and I want to be able to use an API (or to use some open source code) to get the mood of a tweet, does anyone know if there is an easy way to do that or if there is an already built API for this?

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  • Accelerometer API for Laptops

    - by FreshCode
    Most IBM (and some Dell) laptops have built-in accelerometers to stop any moving parts during a sudden fall, but I was unable to find a standardised Windows API to access this data. I assume that each manufacturer would provide a driver to interface with the sensor. Which popular laptop brands come standard with accelerometers accessible from an API and which libraries should I use to access the data? Does an API* exist to abstract away the differences between different manufacturers? I am aware of the Windows 7 Sensor API, but I would like support for XP and earlier.

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  • Calling AS3 function from html link - Javascript? php? swfaddress?

    - by wdense51
    I have an actionscript function that loads an external swf and is currently linked to a button in the same swf... function btnClick(event:MouseEvent):void{ SoundMixer.stopAll(); removeChild(loader); loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onSWFLoaded); loader.load(movieSWF) loader.x=Xpos loader.y=Ypos addChild(loader) } button.addEventListener(MouseEvent.CLICK,btnClick); I'm wondering if there is a way to call this function from a link on the page that the swf is housed on. I'm guessing javascript, php or swfaddress would be the most likely way, but I'm unbelievably new to all this so I'm not sure where to start or how to go about it. Any help would be appreciated.

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  • reference parent class function in AS 3.0

    - by vasion
    I am trying to run a function of the main class, but even with casting it does not work. I get this error TypeError: Error #1009: Cannot access a property or method of a null object reference. at rpflash.communication::RPXMLReader/updateplaylist() at rpflash.communication::RPXMLReader/dataHandler() at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at flash.net::XMLSocket/scanAndSendEvent() this is the main class code package{ import flash.display.MovieClip; import rpflash.communication.RPXMLReader; public class Main extends MovieClip{ var reader:RPXMLReader = new RPXMLReader(); public function Main(){ trace('Main actionscript loaded'); } public function test(){ trace('test worked');} } } and this is the function trying to call it: private function updateplaylist(){ //xml to string var xmls:String= xml.toXMLString(); trace('playlist updated debug point'); MovieClip(this.parent).test();} what am i doing wrong?

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