This is the first in a series of Core Graphics tutorials that will to take the mystery out of Core Graphics. You’ll learn the APIs step by step with practical exercises, starting by beautifying table views with Core Graphics. Core Graphics is a really cool API on iOS. As a developer, you can use it to customize your UI with some really neat effects, often without even having to get an artist invol
forwardInvocation とかを使えば出来るみたい。 #import <Foundation/Foundation.h> @interface Foo : NSObject; -(void)call:(NSString*)sel; @end @implementation Foo -(void)call:(NSString*)sel { NSLog(@"call: %@", sel); } -(void)forwardInvocation:(NSInvocation *)invocation { [self call:NSStringFromSelector([invocation selector])]; } -(NSMethodSignature*)methodSignatureForSelector:(SEL)sel { NSMethodSignature* sig = [
Most built-in JavaScript types are constructors whose prototypes contain the methods and other properties that define their default behavior: //(results will vary by browser) Object.getOwnPropertyNames(Function.prototype) //["bind", "arguments", "toString", "length", "call", "name", "apply", "caller", "constructor"] You can’t delete or replace a native prototype, but you can edit the values of its
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