WWDC 2013 Summary : 228-HD Hidden Gems in Cocoa and Cocoa Touch

<NSHipster>

<Xcode>

OpenQuickly : cmd-shift-o

Related Files : ctl + 1

Breakpoint Actions

Debug description : 

(NSString *)debugDescription{ return @"Verbose debugging string";} -> (lldb) po self.rootViewController -> Verbose debugging string

Recursive description

http://jeffreysambells.com/2013/01/24/debugging-layouts-with-recursive-view-descriptions-in-xcode

http://vimeo.com/56405472

<OBJC>

Custom-indexed Subscripting

NSOperation

NSExpression

NSSet & NSOrderedSet

Collection Tricks - reverseObjectEnumerator.allObjects -> reverse

NSFastEnumeration -> for in 

NSValue

NSValue withPoint, Range

Custom Value -> typedef struct RGB { float red, green, blue; } _RGB; RGB Color={1.0f, 0.0f, 0.0f}; -> [NSValue valueWithBytes: &color objCType:@encode(RGB)];

Key & Value Coding

-String

NSDataDetector - Dates, Addresses, Links, Phone Numbers, Transit information

CFStringTransform - esp name unicode characters, transliterate between orthographies(안녕하세요->annyeonghaseyo,  ひらがな＜ー＞かたかな、romaji)

Normalizing Input -> all english char .. etc..

<Core Animation>

CAGradientLayer

CAShapeLayer

CAMediaTiming for interactive animation

<Core Data>

NSPrivateQuqueConcurrencyType

NSIncrementalStore