May 2003
Intermediate to advanced
566 pages
27h 29m
English
Content preview from Cocoa in a Nutshell
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Name
NSClassDescription — Mac OS X 10.0
Synopsis
This class provides an intelligent interface to
Foundation’s key-value coding capabilities (see
NSKeyValueCoding in Chapter 2).
The main purpose of this class is to provide an interface for objects
to determine the properties and characteristics of a class.
NSClassDescription is an abstract class, upon
which Foundation implements the concrete subclass
NSScriptClassDescription.
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@interface NSClassDescription : NSObject
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// Class Methods
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+ (NSClassDescription *)classDescriptionForClass:(Class)aClass; |
+ (void)invalidateClassDescriptionCache;
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+ (void)registerClassDescription:(NSClassDescription *)description forClass:(Class)aClass; |
// Instance Methods
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- (NSArray *)attributeKeys;
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- (NSArray *)attributeKeys;
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- (NSClassDescription *)classDescription;
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- (NSString *)inverseForRelationshipKey:(NSString *)relationshipKey; |
- (NSString *)inverseForRelationshipKey:(NSString *)relationshipKey; |
- (NSArray *)toManyRelationshipKeys;
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- (NSArray *)toManyRelationshipKeys;
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- (NSArray *)toOneRelationshipKeys;
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- (NSArray *)toOneRelationshipKeys;
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// Notifications
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NSClassDescriptionNeededForClassNotification;
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Subclasses
NSScriptClassDescription
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.