2014/10/15 下午 10:13:13

iphone Programming Glossary: referencing

NSUnknownKeyException setValue:forUndefinedKey:

http://stackoverflow.com/questions/10828608/nsunknownkeyexception-setvalueforundefinedkey

http://stackoverflow.com/questions/11773974/xcode-duplicate-symbol-error

mat4 m m 0 m 5 m 10 m 15 1.0 m 1 m 2 m 3 m 4 0.0 m 6 m 7 m 8 m 9 0.0 m 11 m 12 m 13 m 14 0.0 ... I am only referencing to mat4 definition in my both classes' methods. Also matrixIdentity is just the first function in this file may be the problem..

MKAnnotationView fault when zoom in/out changed the pin image

http://stackoverflow.com/questions/13745211/mkannotationview-fault-when-zoom-in-out-changed-the-pin-image

read the custAttr property from the annotation parameter after casting it to MapAnnotation instead of referencing the externally declared custAttr . You may want to use a different name for the custAttr property in MapAnnotation to avoid..

Xcode fails with “Code Signing” Error

http://stackoverflow.com/questions/13962341/xcode-fails-with-code-signing-error

Xcode Symptoms The issue manifests it's self in one of several ways Running your app on a device results in an error referencing code signing or expired signing certificates Building from the command line or using a continuos integration system such..

iPhone - dealloc - Release vs. nil

http://stackoverflow.com/questions/1458178/iphone-dealloc-release-vs-nil

that is supposed to cleanup more than just the instance variable backing the property. Will overwrite the pointer baz referencing the object with nil but not release the object. The result is a memory leak. Never do this. share improve this answer..

NSBundle, plist and other resources in an Obj-c Static Library

http://stackoverflow.com/questions/1657610/nsbundle-plist-and-other-resources-in-an-obj-c-static-library

MyClassParams.plist is included in the library project it doesn't work. On the assumption that NSBundle mainBundle was referencing the wrong static method to use I replaced it with NSBundle mainBundle NSBundle bundleForClass MyClass class This did not..

How to do a RETWEET on an iPhone twitter app (MGTwitterEngine)

http://stackoverflow.com/questions/2528741/how-to-do-a-retweet-on-an-iphone-twitter-app-mgtwitterengine

MGTwitterEngine yet. In the meantime you can add that function to your current version of MGTwitterEngine by referencing this variant of MGTwitterEngine freeatnet MGTwitterEngine NSString sendRetweet unsigned long updateID if updateID 0 return..

UINavigationController: Simplest Example

http://stackoverflow.com/questions/3077613/uinavigationcontroller-simplest-example

and see the screen change Note I realize that I might have my concepts backwards and I don't need to have my view referencing a UINavigationController ... or something. objective c iphone share improve this question void viewDidLoad super viewDidLoad..

iPhone proper usage of Application Delegate

http://stackoverflow.com/questions/338734/iphone-proper-usage-of-application-delegate

sharedApplication delegate user delegate.u Is setting an instance variable as a User object in the app delegate and referencing it from there when needed a poor way of going about it I typically set it there upon the user's login. Wanted to hear how..

iPhone 4 Camera Specifications - Field of View / Vertical-Horizontal Angle

http://stackoverflow.com/questions/3594199/iphone-4-camera-specifications-field-of-view-vertical-horizontal-angle

For the longer dimension 4.52 2 2.26 mm atan 2.26 3.85 30.41 center to side or 60.8 degrees left to right again referencing with respect to landscape orientation . So 60.8 degrees horizontal by 47.5 degrees vertical. ADDED much later The focal..

Close the keyboard on UITextField

http://stackoverflow.com/questions/4761648/close-the-keyboard-on-uitextfield

ios 4.2 iphone share improve this question Set the Delegate of the UITextField to your ViewController add a referencing outlet between the File's Owner and the UITextField then implement this method BOOL textFieldShouldReturn UITextField textField..

How to link a .xib file to a class file with Xcode 4

http://stackoverflow.com/questions/6076964/how-to-link-a-xib-file-to-a-class-file-with-xcode-4

file User interface View next device family iPad MainView iPad.xib save And of course there is nothing connected no referencing outlet no link to any class. I check each thumbnail of my new MainView iPad.xib in order to link it to my MainViewController..

How to disable iOS System Sounds

http://stackoverflow.com/questions/6284402/how-to-disable-ios-system-sounds

framework. Since this framework is referenced by UIKit it is still possible to use this class without directly referencing it. Apple prohibits using private API's so that alone makes this a bad idea. Given my circumstance I think they may make..

Understanding reference counting with Cocoa and Objective-C

http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c

according to the rules when one piece of code retains and then releases the object any other piece of code also referencing the object will be unaffected. What can sometimes be confusing is knowing the circumstances under which you should call..

How do I replace weak references when using ARC and targeting iOS 4.0?

http://stackoverflow.com/questions/6893038/how-do-i-replace-weak-references-when-using-arc-and-targeting-ios-4-0

Automatic Reference Counting Issue The current deployment target does not support automated __weak references It is referencing this line @synthesize delegate _delegate That variable is declared as @property weak nonatomic IBOutlet id FlipsideViewControllerDelegate..

Property vs. instance variable

http://stackoverflow.com/questions/719788/property-vs-instance-variable

the memory management inherited by a synthesized property I'd use something such as myVar @ Foo The other way would be referencing it via self. ivar property here . The problem with using the @synthesize myVar _myVar strategy is I figured that writing..

ARC, Blocks and Retain Cycles

http://stackoverflow.com/questions/7761074/arc-blocks-and-retain-cycles

Cycles Working on an iOS project that targets 4.0 and 5.0 using ARC. Running into an issue related to blocks ARC and referencing an object from outside the block. Here's some code __block AFHTTPRequestOperation operation AFHTTPRequestOperation alloc..

jQuery not loading on the iPhone

http://stackoverflow.com/questions/792585/jquery-not-loading-on-the-iphone

The content loads just fine and I've confirmed that the baseURL is correct by adding an image to the bundle and referencing it in the HTML and it works. Using the same HTML in Safari on my Macbook jQuery is loading just fine too and working as..

rendering a waveform on an iphone

http://stackoverflow.com/questions/896194/rendering-a-waveform-on-an-iphone

peaks and valleys of a waveform for use at different zoom levels. Then as you zoom in past a certain point you start referencing the raw audio data itself. Here are some good articles on this Waveform Display Build an Audio Waveform Display As far as..