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sql:select * from test where col2 like '%'||col1||'%'; 阅读全文
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//判断是否为iPad#define ISIPAD [[[UIDevice currentDevice].model substringToIndex:4] isEqualToString:@"iPad"]//屏幕高度#define SCREEN_HEIGHT ( ISIPAD ? 480 : [[... 阅读全文
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转:http://www.cocoachina.com/industry/20131106/7304.htmlNSURLSession是iOS7中新的网络接口,它与咱们熟悉的NSURLConnection是并列的。在程序在前台时,NSURLSession与NSURLConnection可以互为替代工... 阅读全文