Singletons

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Introduction

Just make sure you read this thread ( http://stackoverflow.com/questions/137975/what-is-so-bad-about-singletons ) before using it.

Found a mistake? Have a question or improvement idea? Let me know.

Singletons:

*Singletons

*Using Grand Central Dispatch GCD

*Creating Singleton and also preventing it from having multiple instance using allocinit new.

*Creating Singleton class and also preventing it from having multiple instances using allocinit.

Table Of Contents

0Getting started

1Protocols

2Blocks

3Categories

4Key Value Coding and observing

5Logging

6NSArray

7Classes and objects

8NSString

9NSDictionary

10NSDictionary

11Low-level runtime environment

12NSArray

13NSURL

14Methods

15Error handling

16Enums

17NSData

18Random numbers

19Properties

20NSDate

21NSPredicate

22NSMutableArray

23NSRegularExpression

24NSJSONSerialization

25Memory management

26Singletons

27NSCalendar

28NSMutableDictionary

29Multi-threading

30NSAttributedString

31NSTimer

32Structs

33Subscripting

34Basic data types

35Unit testing using XCode

36Fast enumeration

37NSSortDescrip

38Inheritance

39NSTextAttachment

40NSUrl send POST request

41BOOL, bool, Boolean, NSCFBoolean

42Protocols and delegates

43XML Parsing

44Declare class method and instance method

45Predefined macros

46NSCache

47Grand Central Dispatch (GCD)

48Continue and break

49Format specifiers

50NSObject

51Modern Objective-C

52NSUserDefaults

53Contributors