2014/10/15 下午 10:03:28

iphone Programming Glossary: a2

http://stackoverflow.com/questions/16783635/nsarray-to-description-and-vice-versa

NSArray a1 @ @ 123 @456 NSString desc a1 description NSData d desc dataUsingEncoding NSUTF8StringEncoding NSArray a2 NSPropertyListSerialization propertyListWithData d options 0 format NULL error NULL NSLog @ @ a2 NSLog @ a1 1 is.. NSArray a2 NSPropertyListSerialization propertyListWithData d options 0 format NULL error NULL NSLog @ @ a2 NSLog @ a1 1 is a @ a1 1 class NSLog @ a2 1 is a @ a2 1 class Output 123 456 a1 1 is a __NSCFNumber a2 1 is a __NSCFString.. propertyListWithData d options 0 format NULL error NULL NSLog @ @ a2 NSLog @ a1 1 is a @ a1 1 class NSLog @ a2 1 is a @ a2 1 class Output 123 456 a1 1 is a __NSCFNumber a2 1 is a __NSCFString As you can see the array a2 looks like..

programmatically create TABBAR

http://stackoverflow.com/questions/3923465/programmatically-create-tabbar

@ contacts.png search vc2 search alloc init vc2.tabBarItem.image UIImage imageNamed @ search.png a1 vc3 a1 alloc init a2 vc4 a2 alloc init a3 vc5 a3 alloc init NSArray controllers NSArray arrayWithObjects vc1 vc2 vc3 vc4 vc5 nil tabBarController.viewControllers.. search vc2 search alloc init vc2.tabBarItem.image UIImage imageNamed @ search.png a1 vc3 a1 alloc init a2 vc4 a2 alloc init a3 vc5 a3 alloc init NSArray controllers NSArray arrayWithObjects vc1 vc2 vc3 vc4 vc5 nil tabBarController.viewControllers..

NSMutableArray memory management

http://stackoverflow.com/questions/456233/nsmutablearray-memory-management

memory management NSMutableArray a1 NSMutableArray alloc init NSMutableArray a2 NSMutableArray array TempObj obj TempObj alloc init assume this line is repeated for each obj a1 addObject obj a1 addObject.. addObject obj2 a1 addObject obj3 a1 addObject obj4 obj release obj2 release obj3 release obj4 release a1 release Ok so a2 is an autorelease obj so i dont have to call release on it Also how do you know when you get an autorelease object And for..

Convert decimal to fraction in Objective-C?

http://stackoverflow.com/questions/5552537/convert-decimal-to-fraction-in-objective-c

to approx maxDenominator is the maximum denominator allowed based on the theory of continued fractions if x a1 1 a2 1 a3 1 a4 ... then best approximation is found by truncating this series with some adjustments in the last term . Note the.. with some adjustments in the last term . Note the fraction can be recovered as the first column of the matrix a1 1 a2 1 a3 1 ... 1 0 1 0 1 0 Instead of keeping the sequence of continued fraction terms we just keep the last partial product..

How to Parse XML File using xmlparsing on iphone?

http://stackoverflow.com/questions/5715174/how-to-parse-xml-file-using-xmlparsing-on-iphone

TITLE para informaltable tgroup cols 3 tbody row entry a1 entry entry morerows 1 b1 entry entry c1 entry row row entry a2 xml version 1.0 encoding iso 8859 1 ADDRESS CONTACT NAME FIRST Fred LAST Bloggs NICK Bloggsie TITLE Mr STREET HOME 5 Any..

Rotate a Sprite on a bezier path with touch - Cocos2D/Box2D

http://stackoverflow.com/questions/7494795/rotate-a-sprite-on-a-bezier-path-with-touch-cocos2d-box2d

a1 startAngle for float totalAngle fminf twoPI fabsf endAngle startAngle totalAngle 0.00001f FLT_EPSILON nil float a2 a1 sgn min totalAngle piOverTwo curves addObject self createSmallArc radius_ a1 a1 a2 a2 totalAngle fabsf a2 a1 a1 a2 return.. 0.00001f FLT_EPSILON nil float a2 a1 sgn min totalAngle piOverTwo curves addObject self createSmallArc radius_ a1 a1 a2 a2 totalAngle fabsf a2 a1 a1 a2 return curves Cubic bezier approximation of a circular arc centered at the origin This algorithm.. FLT_EPSILON nil float a2 a1 sgn min totalAngle piOverTwo curves addObject self createSmallArc radius_ a1 a1 a2 a2 totalAngle fabsf a2 a1 a1 a2 return curves Cubic bezier approximation of a circular arc centered at the origin This algorithm..