不好意思，找到错误了...@Livid 不好意思，删掉下
iOS 开发实用技术导航 NSHipster 中文版 http://nshipster.cn/ cocos2d 开源 2D 游戏引擎 http://www.cocos2d-iphone.org/ CocoaPods http://cocoapods.org/ Google Analytics for Mobile 统计解决方案 http://code.google.com/mobile/analytics/ WWDC https://developer.apple.com/wwdc/ Design Guides and Resources https://developer.apple.com/design/ Transcripts of WWDC sessions http://asciiwwdc.com Cocoa with Love http://cocoawithlove.com/ Cocoa Dev Central http://cocoadevcentral.com/ NSHipster http://nshipster.com/ Style Guides Google Objective-C Style Guide NYTimes Objective-C Style Guide Useful Tools and Services Charles Web Debugging Proxy Smoe
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不好意思，找到错误了...@Livid 不好意思，删掉下
 | 1 laihj Apr 16, 2014 NSString *string; 改成： NSString *string = [NSString string];或NSString *string = @“”； 调用[string stringByAppendingFormat:@"%@ + %@",string1, string2];时保证string不是null |
 | 3 qq2511296 Apr 16, 2014 目测楼主也刚开始学iOS |
 | 4 alexrezit Apr 16, 2014  1 nil |
 | 5 cielpy Apr 16, 2014 1 跟以前声明数据只声明不初始化一样。。 |
 | 7 oppressed6370 Apr 26, 2014 @Linxing me too我也是啊 |
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