2014/10/15 下午 10:13:00

iphone Programming Glossary: pseudocode

http://stackoverflow.com/questions/1021801/cgpathref-intersection

buffer and check for any pixel values 128. This works on any platform that supports CoreGraphics i.e. iOS and OSX . In pseudocode zero memory CGContextRef context context CGBitmapContextCreate memory wide high 8 wide 4 CGColorSpaceCreateDeviceRGB kCGImageAlphaPremultipliedLast..

Changing Color/Alpha/Filter to MKMapView iOS 6

http://stackoverflow.com/questions/13364374/changing-color-alpha-filter-to-mkmapview-ios-6

use an MKOverlayView over the entire world that achieves the same effect. The following should work but treat it like pseudocode just to get you started. @interface MapTileOverlay NSObject MKOverlay @end @implementation MapTileOverlay id init self super..

Background threads consuming 100% CPU on iPhone 3GS causes latent main thread

http://stackoverflow.com/questions/1940903/background-threads-consuming-100-cpu-on-iphone-3gs-causes-latent-main-thread

What is the most efficient way to count number of word in NSString without using regex?

http://stackoverflow.com/questions/3975209/what-is-the-most-efficient-way-to-count-number-of-word-in-nsstring-without-using

to be doing it hundreds of times a second I would just opt for the readable solution something like the following pseudocode def count str lastchar count 0 for char as every character in string if char is not whitespace and lastchar is whitespace..

self.window.rootViewController vs window addSubview

http://stackoverflow.com/questions/5248460/self-window-rootviewcontroller-vs-window-addsubview

controller's have an equivalent command to number 2 like self.someController.rootController self.someOtherController pseudocode iphone objective c share improve this question The UIWindow rootViewController property is new with iOS4. The older..

If you have an IBOutlet, but not a property, is it retained or not?

http://stackoverflow.com/questions/5523290/if-you-have-an-iboutlet-but-not-a-property-is-it-retained-or-not

the object by default if no setter method is available. The default behavior of setValue forKey in iOS is roughly lazy pseudocode if self respondsToSelector @selector @ setKeyName self setKeyName value else object_setIvar self _keyName value retain See..

What's the best way to communicate between view controllers?

http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers

the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode example would be awfully helpful here if possible. objective c iphone cocoa touch delegates key value observing share..

Finding Intersection of NSMutableArrays

http://stackoverflow.com/questions/6023548/finding-intersection-of-nsmutablearrays

NSMutableArray containing names that are added to the lists according to different criterieas. Here are my arrays pseudocode NSMutableArray array1 @ Jack @ John @ Daniel @ Lisa NSMutableArray array2 @ Jack @ Bryan @ Barney @ Lisa @ Penelope @ Angelica..

iPhone: autorelease - when exactly does it release (Clarification)?

http://stackoverflow.com/questions/6566475/iphone-autorelease-when-exactly-does-it-release-clarification

withObject afterDelay . There is basically a big loop in the sky that does something like this very rough pseudocode here while YES if pendingDelayedSelectorCalls count 0 self performNextDelayedSelectorCall Entry point for your code. self..

Permutations/Anagrams in Objective-C — I am missing something

http://stackoverflow.com/questions/6617253/permutations-anagrams-in-objective-c-i-am-missing-something

1423 142 14 1432 143 2143 214 21 2 ... I hope the idea is clear. Here's one way to implement this in Objective C like pseudocode . NSMutableArray nextPerms Perm word int N word.length for int i N 1 i 0 i if word i 1 word i break else if i 1 i 0 At..

UIScrollView : paging horizontally, scrolling vertically?

http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically

are already forwarding the proper events yourself so you never want UIScrollView to forward anything. Basically here's pseudocode for what you need to do. For simplicity I never allow horizontal scrolling after multitouch event has occurred. RemorsefulScrollView.h..