代码改变世界

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ARC

2015-08-19 20:56 by dengchaojie_learner, 106 阅读, 收藏,
摘要: 旧工程配置arc方案:邓超界:weak只适用于ARC的.m文件 1,直接在targets->build phases中修改compiler Flags,是否支持arc。添加:-fobjc-arc,就可以让旧项目支持arc。如果想让原来支持arc的不使用arc则添加-fno-objc-arc 阅读全文

iOS开发之指定UIView的某几个角为圆角

2017-11-03 17:45 by dengchaojie_learner, 104 阅读, 收藏,
摘要: http://blog.csdn.net/andypan1314/article/details/17116727 阅读全文

多线程

2017-11-16 20:15 by dengchaojie_learner, 103 阅读, 收藏,
摘要: dispatch_group_t group = dispatch_group_create(); dispatch_group_async(group, dispatch_get_global_queue(0,0), ^{ // 并行执行的线程一 }); dispatch_group_async( 阅读全文

swift开发笔记04

2017-09-08 16:03 by dengchaojie_learner, 101 阅读, 收藏,
摘要: let now = Date() let gregorian = Calendar.init(identifier: Calendar.Identifier.gregorian) let components = (gregorian as NSCalendar).components(NSCale 阅读全文

NSData

2017-11-01 19:48 by dengchaojie_learner, 100 阅读, 收藏,
摘要: NSData 阅读全文