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  • implement alphabetical scroll in MPMediaPickerController app

    - by Pavan
    If you go to the iphone library and then go to songs, you will see the songs being displayed in a similar way to the MPMediaItemPicker class does. The only difference is that the ipod application shows the search bar right at the top of the list and also a nice alphabetical scroll on the right hand side whereas the MPMediaItemPicker class only isplays a simple scroll going up and down. How can i implement an alphabetical scroll on the right in the MPMediaItemPicker class? Can someone please help me.

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  • json_pure/rubygems cyclic dependencies

    - by andrewmcdonough
    I have an issue when trying to set up rvm, where gems weren't installing due to them being dependent on json_pure. I tried to install json_pure, but rubygems itself seems to depend on json_pure. I have tried removing all versions of json_pure, but rubygems still complains. $ sudo gem install json_pure /Library/Ruby/Site/1.8/rubygems.rb:777:in `report_activate_error': Could not find RubyGem json_pure (= 0) (Gem::LoadError) I have tried downloading the gem and installing it locally, but rubygems still complains about the dependency.

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  • jQuery: Is mouse over element?

    - by JamesBrownIsDead
    I could write something pretty easily to determine whether the mouse is over a given element, but is there already anything in the jQuery core library (or a plugin I guess) that will tell me whether the current mouse position is over a given element?

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  • iphone sdk - Itunes connect how to change device requirements?

    - by Dave
    What is it im supposed to set in the plist so that it shows that it does not work on the ipad on itunes? its somthing to do with this http://developer.apple.com/iphone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/AdvancedFeatures/AdvancedFeatures.html but I dont see anything that seems appropriate? Im still kind of noobish so I'd appreciate a really simple answer or as simple as possible. Thanks for your time

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  • wpf and win32 overlapping issue

    - by priya-hatipkar
    I have a wpf Window, which has wpf control and windows forms control hosted in WindowsFormsHost. The expected behavior is that the WPF control should be rendered on top of WindowsFormsHost. Unfortunately, this is a limitation in the interop story, WindowsFormsHost elements are always drawn on top, and don't get affected by z-order. http://msdn.microsoft.com/en-us/library/ms742522.aspx Is there any workaround to solve this problem? Regards, Priya

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  • remember the highlighted text in html page(add annotation to html page)

    - by ganapati hegde
    Hi, I have an HTML file, i am opening it with webkit,i want to develop an app, such that after opening it, i should be able to select some text and make it highlighted(say by pressing some button 'highlight text' ). And it should remember the highlighted text so that when i open it next time it should highlight the same text automatically...which information i got to store so that i can highlight the same in the next time ? any library is available which makes my work simple?

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  • What are the benefits of using Boost.Phoenix?

    - by Denis Shevchenko
    Hello all! I can not understand what the real benefits of using Boost.Phoenix. When I use it with Boost.Spirit grammars, it's really useful: double_[ boost::phoenix::push_back( boost::phoenix::ref( v ), _1 ) ] When I use it for lambda functions, it's also useful and elegant: boost::range::for_each( my_string, if_ ( '\\' == arg1 ) [ arg1 = '/' ] ); But what are the benefits of everything else in this library? The documentation says: "Functors everywhere". I don't understand what is the good of it?

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  • Does mixing Quartz and OpenGL-ES cause big performance degrade??

    - by Eonil
    I have a plan to make a game using OpenGL for 3D world view, and CALayer(or UIView) for HUD UI. It's easy to imagine performance degrade from mixing them, but the document which mention this impact disappeared: http://developer.apple.com/iphone/library/technotes/tn2008/tn2230.html I cannot find the document on current version of SDK reference. And I got this document: http://gamesfromwithin.com/gdc-2010-the-best-of-both-worlds-using-uikit-with-opengl If you experienced about this, please let me know about performance impact on current SDK.

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  • Gsm modem submission rate

    - by myotherme
    Has anyone measured the rate of submission through a GSM modem? We are implementing a solution at the moment and are only able to submit at a rate of about one message every 3 to 5 seconds. We are not sure if this is a library/api problem or if our modem is just of poor quality. Has anyone had any experience with these devices and measured the throughput rate?

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  • UIImagePickerController in iPhone OS 3.0

    - by Biranchi
    Hi all, I am using iPhone OS 3.0 SDK. My requirement is that I want to get the image from the photo albums library and display it on an image view. I am using the "UIImagePickerController" for that. But the problem is the "- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)imageeditingInfo:(NSDictionary *)editingInfo" delegate method is deprecated in iPhone OS 3.0 , so is there any alternative for getting the Image from the UIImagePickerController. All suggestions are highly appreciated. Thanks...

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  • Obtaining the tropicity of an image on the iPhone

    - by WhiteTiger
    Hello all I was wondering how it's possible to find out if an image in the iPhone photo library is isotropic or anisotropic. Basically how many millimeters each pixel measures in height and in width. In JPG images the information is hardcoded into the data stream so it's possible to do by simply pointing a const char* to the image file, but I'm not sure I can do that with the data the iPhone image returns. Thank you in advance

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  • lookup field control

    - by Gaby
    Hi, I'm developing a windows application that updates item properties. what should i have to do if a document library have a lookup field or a people editor? what is the control to use?

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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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  • Python, SWIG and other strange things

    - by wanderameise
    hey, I have a firmware for an USB module I can already control by visual C. Now I want to port this to python. for this I need the octopus library which is written in c. I found a file called octopus_wrap which was created by SWIG! then I found a makefile which says: python2.5: swig -python -outdir ./ ../octopus.i gcc -fPIC -c ../../liboctopus/src/octopus.c gcc -fPIC -c ../octopus_wrap.c -I /usr/include/python2.5 gcc -fPIC -shared octopus_wrap.o octopus.o /usr/lib/libusb.so -o _octopus.so python2.4: swig -python -outdir ./ ../octopus.i gcc -fPIC -c ../../liboctopus/src/octopus.c gcc -fPIC -c ../octopus_wrap.c -I /usr/include/python2.4 gcc -fPIC -shared octopus_wrap.o octopus.o /usr/lib/libusb.so -o _octopus.so win: gcc -fPIC -c ../../liboctopus/src/octopus.c -I /c/Programme/libusb-win32-device-bin-0.1.10.1/include gcc -fPIC -c octopus_wrap.c -I /c/Python25/libs -lpython25 -I/c/Python25/include -I /c/Programme/libusb-win32-device-bin-0.1.10.1/include gcc -fPIC -shared *.o -o _octopus.pyd -L/c/Python25/libs -lpython25 -lusb -L/c/Programme/libusb-win32-device-bin-0.1.10.1/lib/gcc clean: rm -f octopus* _octopus* install_python2.4: cp _octopus.so /usr/local/lib/python2.4/site-packages/ cp octopus.py /usr/local/lib/python2.4/site-packages/ install_python2.5: cp _octopus.so /usr/local/lib/python2.5/site-packages/ cp octopus.py /usr/local/lib/python2.5/site-packages/ I dont know how to handle this but as far as I can see octopus.py and _octopus.so are the resulting output files which are relevant to python right? luckily someone already did that and so I put those 2 files to my "python26/lib" folder (hope it doesnt matter if it´s python 2.5 or 2.6?!) So when working with the USB device the octopus.py is the library to work with! Importing this file makes several problems: >>> Traceback (most recent call last): File "C:\Users\ameise\My Dropbox\µC\AVR\OCTOPUS\octopususb-0.5\demos\python \blink_status.py", line 8, in <module> from octopus import * File "C:\Python26\lib\octopus.py", line 7, in <module> import _octopus ImportError: DLL load failed: module not found. and here´s the related line 7 : import _octopus So there´s a problem considering the .so file! What could be my next step? I know that´s a lot of confusing stuff but I hope anyone of you could bring some light in my mind! thy in advance

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  • How to use XmlPeek task?

    - by Nam Gi VU
    I've read in the MSDN MSBuild Task Reference about XmlPeek task at http://msdn.microsoft.com/en-us/library/ff598684(v=VS.100).aspx but I cannot use it in my MSBuild script. If you have used this before, please show me how!

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  • Using same name for Core Data object as a Private Framework Object

    - by bjorn geez
    Hi all, I've got a core data-based app for iPhone and I'm getting the following warning: objc[2472]: Class Property is implemented in both /System/Library/PrivateFrameworks/Notes.framework/Notes and /var/mobile/Applications/B69194FF-448F-48AD-A78D-DDB8935F/AmcCalc.app/AmcCalc. One of the two will be used. Which one is undefined. When I started working on this app back with SDK 3.0 I didn't get this error, so how do I deal with this? Thanks! Bjorn

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  • Javascript Uncaught Error: INDEX_SIZE_ERR: - Google Chrome - Canvas

    - by Gart
    I am drawing on a canvas with the following line: ctx.drawImage(compositeImage, 0, 0, image.width, image.height, i, j, scaledCompositeImageWidth, scaledCompositeImageHeight); This code has executed error free on Safari, Chrome, Firefox (and even IE using google's excanvas library). However, a recent update to Chrome now throws the following error: Uncaught Error: INDEX_SIZE_ERR: DOM Exception 1 This code often positions part or all of the drawn image OFF the canvas, anyone got any idea what's going on here?

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  • Enumerate registered namespaces of a PHP DOMDocument object

    - by zneak
    Hello world, For one of my projects, I'm using the DOMDocument class to load and manipulate XML documents. I'd need to retrieve every namespace used in the document; however, I can't find how I'd do that. The DOMDocument class has methods to get the namespace prefix of an URI or the URI of a namespace prefix, but I've seen nothing to actually enumerate registered namespaces. The SimpleXML library has a getNamespaces() method for that. Is there an equivalent for DOMDocument?

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  • NSCFString Memory Leak

    - by Lakshmie
    Hello, I have been solving a lot of memory leaks but have been unsuccessful in solving this one. There are tons of NSCF memory leaks coming due to [NSCFString substringWithRange:]. I have been checking all the String allocations and have released all of them at appropriate places. The responsible library: Foundation. Has anyone encountered this problem before? Can anyone suggest me as how I should takle this issue? Thanks, Lakshmie

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