tangyumeng

#import <Foundation/Foundation.h>

@interface NSObject (PerformBlockAfterDelay)

// Perform something after a slight delay
- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay;

@end

tangyumeng

http://blog.sina.com.cn/s/blog_671d2e4f0101d90v.html

tangyumeng

po [[[UIApplication sharedApplication] keyWindow] subtreeDescription]
po [[self view] recursiveDescription]

autolayout

http://blog.csdn.net/baecheung/article/details/11462087

tangyumeng

    NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:
                                [UIColor whiteColor], UITextAttributeTextColor, nil];
    [[UINavigationBar appearance] setTitleTextAttributes:dictionary];
 

tangyumeng

<pre><code>
    NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:
                                [UIColor whiteColor], UITextAttributeTextColor, nil];
    [[UINavigationBar appearance] setTitleTextAttributes:dictionary];
 </code></pre>

tangyumeng

http://blog.csdn.net/ztp800201/article/details/8116081

tangyumeng

http://audioplastic.org/blog/2013/01/09/cobalt/

tangyumeng

http://starbugs.diandian.com/post/2012-07-11/40029263575

http://starbugs.diandian.com/post/2013-03-28/40048398351

tangyumeng

http://iosdevelopertips.com/core-services/ios-and-json-part-1-serialize-objects-to-json.html?wt=3&utm_source=iOSDevTips&utm_campaign=wordtwit&utm_medium=twitter

tangyumeng

https://developer.apple.com/library/ios/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/ManagingYourApplicationsFlow/ManagingYourApplicationsFlow.html
https://developer.apple.com/library/ios/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/ManagingYourApplicationsFlow/ManagingYourApplicationsFlow.html#//apple_ref/doc/uid/TP40007072-CH4-SW20