OS有NSRunLoop,它只是坐在那里等待定时器和源码触发。因此,我有一个raspberry pi (所以是linux),偶尔会有数据从套接字或中断中传入。timeout = 0 wait(timeout) || wait for source event other than timerloop all timers
if tim
在启动Kibana7.5时出现致命错误,我没有配置只运行elasticsearch.bat (也是v7.5)和kibana.bat的任何东西
'{"error":{"root_cause":[{"type":"mapper_parsing_exception","reason":"No handler for type [flattened] declared on field [state]"}],"type":"mapper_parsing_exception