简单的block
摘要:int multi = 7; int (^myBlock)(int) = ^(int num){ return num * multi; }; int result = myBlock(5); NSLog(@"结果是:%d",result);//输出结果是: 结果是:35 void (^printB
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NSDate管理日期和时间
摘要://时间初始化 NSDate *date = [[NSDate alloc]initWithString:@"2010-01-01 23:59:59 +0900"]; NSString *str = [date description]; NSLog(@"%@",str); //是否相同日期: NS
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