摘要:
A repeating timer reschedules itself based on the scheduled firing time, not the actual firing time. For example, if a timer is scheduled to fire at a 阅读全文
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git
2018-01-06 21:20 by dengchaojie_learner, 185 阅读, 收藏,
摘要:
*** Please tell me who you are. Run git config --global user.email "you@example.com" git config --global user.name "Your Name" to set your account's d 阅读全文
HTTP状态码
2018-05-07 08:36 by dengchaojie_learner, 184 阅读, 收藏,
摘要:
400 Bad Request 1、语义有误,当前请求无法被服务器理解。除非进行修改,否则客户端不应该重复提交这个请求。 2、请求参数有误。 403 Forbidden 服务器已经理解请求,但是拒绝执行它。与401响应不同的是,身份验证并不能提供任何帮助,而且这个请求也不应该被重复提交。如果这不是一 阅读全文
iOS的copy怎么用
2017-11-29 19:31 by dengchaojie_learner, 183 阅读, 收藏,
摘要:
-[__NSDictionaryI setObject:forKey:]: unrecognized selector sent to instance 0x1c0c62d80 __NSDictionaryI [dict copy]; 阅读全文
swift开发笔记13
2017-09-06 15:51 by dengchaojie_learner, 183 阅读, 收藏,
摘要:
Swift控制流: 如何理解 if let 与guard? // set up mask mask = CALayer.init() mask?.contents = UIImage.init(named: "twitterBird")?.cgImage mask?.position = windo 阅读全文
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