查阅了很多资料和英文官网自己也提出了一些问题,估计官网以前有该类的问题历史,懒得回复. 终于功夫不负有心人原因竟然是:你的manager被释放了. you need to make sure the SocketManager is held strongly, not released by arc. like this init: First-> @Property(nonatomic,strong)SocketManager* manager; And then-> NSURL* url…
我们在aws上使用市场提供的RHEL-8.x系统后,license相关的都是由aws官网一起提供了 最近笔者将aws上一台作过系统加固的RHEL-8.x导出到自己本地DC环境,也注册了Redhat官网购买的license订阅 但在使用所有yum命令时,都会报如下一段错误(TypeError: the JSON object must be str, bytes or bytearray, not 'NoneType'): [root@qq_5201351 ~]# yum repolist Upd…
执行 npm install socket.io安装时报错: [root@WEB node_modules]# npm install socket.ionpm WARN enoent ENOENT: no such file or directory, open '/usr/local/nodejs/bin/package.json' npm WARN bin No description npm WARN bin No repository field. npm WARN bin No RE…
最近Xcode升级了,出现了各种蛋疼的错误提示,今天遇到个导入框架出现了提示Swift版本的问题,具体如下: "Use Legacy Swift Language Version" (SWIFT_VERSION) is required to be configured correctly for targets which use Swift. Use the [Edit > Convert > To Current Swift Syntax-] menu to choo…
