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• MPMoviePlayerController doesn't implement MPMediaPlayback protocal as advertised?

  - by goren

  I'm trying to use the MPMediaPlayback protocol's currentPlaybackRate() to slow down a video. I'm confused though as the class MPMoviePlayerController states that: You can control most aspects of playback programmatically using the methods and properties of the MPMediaPlayback protocol, to which this class conforms. Except just above in the header here: http://developer.apple.com/iphone/library/documentation/MediaPlayer/Reference/MPMoviePlayerController_Class/MPMoviePlayerController/MPMoviePlayerController.html it doesn't seem to. All I want to do is slow down the playback rate for a video.

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• Where do I start with distributed computing?

  - by folone

  I'm interested in learning techniques for distributed computing. As a Java developer, I'm probably willing to start with Hadoop. Could you please recommend some books/tutorials/articles to begin with?

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• How can I use MPTVOutWindow iPhone undocumented class?

  - by Leg10n

  Hi, I'm an iPhone developer, now I'm developing a game and I just found about the iPhone 2.2 being able to reproduce video on a TV Screen trhough MPTVOutWindow class. After googling I've found a lot of blogs with the News, however none of them give any information on the class, what should I do to implement the class in order to display ouput on the TV?

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• Create an Xml file from an object

  - by remi bourgarel

  I work as a web developer with a web designer and we usually do like this : - I create the system , I generate some Xml files - the designer display the xml files with xslt Nothing new. My problem is that I use Xml Serialization to create my xml files, but I never use Deserialization. So I'd like to know if there is a way to avoid fix like these : empty setter for my property empty parameter-less constructor implement IXmlSerializable and throw "notimplementedexception" on deserialization do a copy of the class with public fields

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• Missing Siverlight templates in Visual Studio 2008

  - by no9

  Hello ! I have Visual Studio 2008 (sp1, .NET 3.5). I have installed Silverlight 3 SDK and Silverlight 4 SDK beta + Sivelrlight toolkit. I also have installed Windows Phone Developer Tools CTP that includes Visual Studio 2010 Express for Windows Phone CTP. I have noticed that when i start a new project in VS2008 all the Silverlight templates are missing. Any tip how to get them? Thanx !

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• Activity, subActivity, Intent and IntentFilters in android?

  - by androidbase Praveen

  hi all, i still have a problem to develop a convenient app to the user. because i am struggling using the activities, intent and intent filters. www.developer.android.com/reference not fit for me to understand these things. can you suggest me a fine example code or tutorial to understand how these things are getting worked.

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• What is a postback?

  - by Scott Saad

  I'm making my way into web development and have seen the word postback thrown around. Coming from a non-web based background, what does a new web developer have to know about postbacks? (i.e. what are they and when do they arise?) Any more information you'd like to share to help a newbie in the web world be aware of postbacks would be most greatly appreciated.

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• Hacking your own application

  - by instigator

  I am a web developer that is very conscious of security and try and make my web applications as secure as possible. How ever I have started writing my own windows applications in C# and when it comes testing the security of my C# application, I am really only a novice. Just wondering if anyone has any good tutorials/readme's on how to hack your own windows application and writing secure code.

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• Google Earth/Maps on Android

  - by Grasper

  I have installed the Android Emulator: http://developer.android.com/sdk/index.html I now have it up and running using the eclipse plug in. What I want to do is interface with/open/access google maps and/or google earth on the Emulated phone.. Is this possible?

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• What are some viable alternatives to BizTalk Server?

  - by Kilhoffer

  In evaluating different systems integration strategies, I've come across some words of encouragement, but also some words of frustration over BizTalk Server. What are some pros and cons to using BizTalk Server (both from a developer standpoint and a business user), and should companies also consider open source alternatives? What viable alternatives are out there? EDIT: Jitterbit seems like an interesting choice. Open Source and seems to be nicely engineered. Anyone on here have any experience working with it?

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• Any example on how to implement the new VerificationController and the KNOWN_TRANSACTIONS_KEY constant?

  - by Carles Estevadeordal

  I've been looking at implementing the new VerificationController to verify in-App-Purchases: http://developer.apple.com/library/ios/#releasenotes/StoreKit/IAP_ReceiptValidation/_index.html And I wonder if there is some example anywhere en how to validate a transaction, since it seems that the - (BOOL)verifyPurchase:(SKPaymentTransaction *)transaction; is not enough and it has to be implemented internally to verify the purchase when the data form the server is received. Another question is if anyone has a clue on what the KNOWN_TRANSACTIONS_KEY is and how to fill it, is it just the product id of the purchase?

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• What does it mean to "preconcat" a matrix?

  - by Brad Hein

  In reviewing: http://developer.android.com/reference/android/graphics/Canvas.html I'm wondering translate(): "preconcat the current matrix with the specified translation" -- what does this mean? I can't find a good definition of "preconcat" anywhere on the internet! The only place I can find it is in the Android Source - I'm starting to wonder if they made it up? :) I'm familiar with "concat" or concatenate, which is to append to, so what is a pre-concat?

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• Is deep Java knowledge needed for Android?

  - by MigNix

  Hi, I am C++ developer interested in Android. As I understand the only possibility to develop applications for Android is Java. There is NDK also, but as I can see it is just something like JNI for Java. Is it mandatory to learn Java or to have deep knowledge in Java then try Android SDK, or it would be possible to learn Java while developing for Android. Thank you.

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• Track Data Execution Prevention (DEP) problem.

  - by Nicolas

  Hi, When running one of our software, a tester was faced with the data execution prevention dialog of Windows. We try to reproduce this situation on a developer computer for debugging purposes : with no success. Does anyone know how to find what may cause the DEP protection to kill the application? Is there any existing tools available for this? Any advices are welcome, Thanks, Nic

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• Where can I find SQL Profiler 2005?

  - by Kevin

  Is there a way to get the profiler without installing SQL server? If the answer is no, which edition do I need to get the SQL Profiler? Do I need the Developer Edition?

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• Accessing the Private Constructor

  - by harigm

  I am java developer, went for an interview. I have been asked a question about the Private constructor 1) Can I access a Private Constructor of a Class and Instantiate the class. I was thinking and gave the answer directly--- "NO" But its wrong, can any one help Why NO? and How we can achieve this

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• Preventing cheating in online chess games?

  - by gamedevv

  In many online chess lobbies, I've seen instances of 'engining', where a cheater would open a chess program at the same time as the main game window. He would then set it up so that the opponent's moves are relayed to the computer, then which he would copy the computer's moves, until he (almost always) wins. As a game developer and moderator, what is there to do about this situation?

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• Looking for a Software Engineer with JMS od DDS [closed]

  - by Bobby Sethi

  I've not been on here before but just stubmled accross the website so I hope I am ok using for this purpose? I am a contract recruiter and I supply to a major defence contractor.. we are currently looking for a C/C# Software Developer with experience of JMS (or even better DDS) experience. Can anyone help? Bobby Sethi 07885 824 766

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• Anything new for WinForms in .NET 4.0

  - by Robert

  I could not find any information about new WinForm features, exept for this blog post: http://blog.codinglight.com/2009/05/future-of-winforms-whats-changed-in.html which states: 213 types were changed, and 9 types were added. 596 methods were changed, 50 were added, and 8 were removed. So whats in these changes, for joe developer?

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• Hidden Features of Erlang

  - by pageman

  In the spirit of: Hidden Features of C# Hidden Features of Java Hidden Features of ASP.NET Hidden Features of Python Hidden Features of HTML and other Hidden Features questions What are the hidden features of Erlang that every Erlang developer should be aware of? One hidden feature per answer, please.

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• Delphi 6 - Bugs disappear when I compile multiple times.

  - by Daisetsu

  My Delphi installation has been going downhill for the past few months. It seems though that every so often when I build a release it has strange errors in it which are resolved if I build, then compile, then build, compile, etc. I've talked to another developer who thinks that this is a compiler error. This sort of degrading performance over time has happened on other computers to us too. What does stack overflow think could be the problem.

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• appscript on OSX 10.6.3 / Python 2.6.1

  - by jldupont

  I am having some trouble getting appscript installed on OS/X 10.6.3 / Python 2.6.1. When I issue sudo easy_install appscript I get "unable to execute gcc-4.2: No such file or directory". Even when I do export CC=/Developer/usr/bin/gcc-4.2 (a valid gcc-4.2 executable), easy_install barks. What could be the issue? Disclaimer: OS/X newbie at the helm...

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• To Throw or Not to Throw

  - by serhio

  // To Throw void PrintType(object obj) { if(obj == null) { throw new ArgumentNullException("obj") } Console.WriteLine(obj.GetType().Name); } // Not to Throw void PrintType(object obj) { if(obj != null) { Console.WriteLine(obj.GetType().Name); } } What principle to keep? Personally Personally I prefer the first one its say developer-friendly. The second one its say user-friendly. What do you think?

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• Why browser vendors make their own css properties?

  - by jitendra

  Why browser vendors make their own css properties, even they know these will not pass the w3c validation? What is the purpose? is for their own testing, or for web developers, ot to demonstrate browser capabilities to the world and to the W3C organizations and to CSS development team of W3C? is it like a beta version of demonstration? if i use any browser specific for now can they remove that property's support from future versions.will i have to edit my css in future for example: https://developer.mozilla.org/en/CSS_Reference/Mozilla_Extensions

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• Firefox 3.1 Beta 2 <audio> tag not working in RHEL 5

  - by emo

  Has anyone been playing with the Firefox 3.1 Beta 2 audio tag? The developer site says they added support for it but I can't get it to work in RHEL 5. I've tried it with both .wav and .ogg and all I get is the error message I put between the tags rather than it playing the audio file. Thanks.

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