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2014/10/15 ¤U¤È 10:10:41

iphone Programming Glossary: iterations

UIStringDrawing methods don't seem to be thread safe in iOS 6

http://stackoverflow.com/questions/12744558/uistringdrawing-methods-dont-seem-to-be-thread-safe-in-ios-6

CGSize size string sizeWithFont UIFont boldSystemFontOfSize 13 dispatch_release queue The app crashes after a few iterations of the loops with the following backtrace thread #1 tid 0x2403 0x00ad40c8 stop reason EXC_BAD_ACCESS code 2 address 0xad40c8..

How to decrypt an encrypted Apple iTunes iPhone backup?

http://stackoverflow.com/questions/1498342/how-to-decrypt-an-encrypted-apple-itunes-iphone-backup

backup password which is test in the below example derive a 32 byte key using the correct PBKDF2 salt and number of iterations. Unwrap each wrapped key according to RFC 3394 . For each file of interest get the class encrypted per file encryption key.. CLAS currentClassKey def unlockWithPasscode self passcode passcodekey PBKDF2.PBKDF2 passcode self.attrs SALT iterations self.attrs ITER .read 32 for classkey in self.classKeys.values if not classkey.has_key WPKY continue k classkey WPKY if.. print Keybag type s keybag d KEYBAG_TYPES self.type self.type print Keybag version d self.attrs VERS print Keybag iterations d iv s self.attrs ITER anonymize self.attrs SALT .encode 'hex' print Keybag UUID s anonymize self.uuid.encode hex print..

How to preserve iPhone application state before terminating the application?

http://stackoverflow.com/questions/1811696/how-to-preserve-iphone-application-state-before-terminating-the-application

is hard to quantify in a general sense as it is highly specific to the structure of your application and the possible iterations of view controller hierarchy within the navigation stack. If you need to restore a more general navigation stack including..

iOS Hiding tab bar in iOS 6 creates black bar (fix for iOS 6 breaks iOS 7!)

http://stackoverflow.com/questions/19006545/ios-hiding-tab-bar-in-ios-6-creates-black-bar-fix-for-ios-6-breaks-ios-7

question I've created a a public Gist on Github for how we're doing this. This solution has gone through several iterations due to @Chris Byatt and our team trying it out. So make sure you download the latest revision from there. The method signature..

What type of webservice works best with iOS?

http://stackoverflow.com/questions/3152700/what-type-of-webservice-works-best-with-ios

and server both can be done with reasonable efficiency on the wire and are likely to be extensible for future app iterations. JSON has advantages of being a bit simpler to parse can be less wordy and may also be easier to re task for other purposes..

Why is UIBezierPath faster than Core Graphics path?

http://stackoverflow.com/questions/6327817/why-is-uibezierpath-faster-than-core-graphics-path

uipath UIBezierPath alloc init uipath moveToPoint CGPointMake 0 200 Add 200 curve segments to each path. int iterations 200 CGFloat cgBaseline 100 CGFloat uiBaseline 200 CGFloat xincrement self.bounds.size.width iterations for CGFloat x1 0.. each path. int iterations 200 CGFloat cgBaseline 100 CGFloat uiBaseline 200 CGFloat xincrement self.bounds.size.width iterations for CGFloat x1 0 x2 xincrement x2 self.bounds.size.width x1 x2 x2 xincrement CGPathAddCurveToPoint cgpath NULL x1 cgBaseline.. uipath UIBezierPath alloc init uipath moveToPoint CGPointMake 0 200 Add 200 curve segments to each path. int iterations 80000 CGFloat cgBaseline 100 CGFloat uiBaseline 200 CGFloat xincrement self.bounds.size.width iterations for CGFloat x1..

How to release MPMoviePlayerController?

http://stackoverflow.com/questions/695307/how-to-release-mpmovieplayercontroller

twice won't do you any good either. So you need to guard against that somehow. Lastly it seems to take a few iterations of the main run loop until you can safely create a new MPMoviePlayerController instance. If you do it too quickly you'll..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

you could enable compiler features to ignore the warning but it may be dangerous. I've seen Clang go through a few iterations of how it handles return values that aren't assigned to local variables. There's no reason that with ARC enabled that it..

UIButton TouchUpInside Touch Location

http://stackoverflow.com/questions/7374937/uibutton-touchupinside-touch-location

anyObject CGPoint where theTouch locationInView self NSLog @ touch at 3.2f 3.2f where.x where.y and various other iterations. The button's target method get info from it via the sender UIButton button sender So is there any way I could use something..

How to draw an oval speech bubble programmatically on iPhone?

http://stackoverflow.com/questions/7509348/how-to-draw-an-oval-speech-bubble-programmatically-on-iphone

one in an oval shape i.e. € € € iphone objective c core graphics share improve this question I would do it in two iterations. First get the context and begin a path. Fill an ellipse and then a custom path that encloses a triangle with three lines...