昨天和各位老师讨论了如题的问题: osc:http://www.oschina.net/question/260754_107391 今天整理一下,如果还有什么不对的,请批评指正,谢谢! 问题描述: 一个UIView(bView)经过alloc、i...
昨天和各位老师讨论了如题的问题: osc:http://www.oschina.net/question/260754_107391 今天整理一下,如果还有什么不对的,请批评指正,谢谢! 问题描述: 一个UIView(bView)经过alloc、i...
官方解释 UIView implements this method by returning the UIViewController object that manages it (if it has one) or its superview (if it doesn’t); UIViewController implements t...
NSLog(@"%@", [NSString stringWithFormat:@"%.0f", 1.0003]); NSLog(@"%@", [NSString stringWithFormat:@"%.0f", 1.9003]); NSLog(@"%@", [NSString stringWithFormat:@"%.0f", 1.5003]); ...
#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO) 用时候直...
- (NSString *)getUniqueStrByUUID { CFUUIDRef uuidRef = CFUUIDCreate(NULL); CFStringRef uuidStrRef= CFUUIDCreateString(NULL, uuidRef); CFRelease(uuidRef); NSStrin...
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