不积跬步,无以至千里 small tips
1.App Transport Security Settings Allow Arbitrary Loads = yes
需要在info.plist里进行安全配置,否则打印
App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file.
2.static const 与 define的区别 对于不改变的常量尽量使用static const 提高性能
3. .m 和.h 里的property 有什么区别 .h文件的property 外部不能访问
4. 错误提示的复制 ,右键 reveal in issue navigator
点击相应的错误 右键 copy