import subprocess as sp ip = 61.139.2.69 status, result = sp.getstatusoutput ( "ping " + ip + "- n 1 ") ][2] ...
ask a question about the connection of linux hosts. There are three hosts in the intranet, An and B can ping each other, C cannot ping A, C can ping B, where An and B are wired connections to the Internet, the ip is 10.12.41.44 and 10.12.41.151 respec...
Why is this problem? ping is not available (ping one of Baidu s ip) $ ping 220.181.57.216 PING 220.181.57.216 (220.181.57.216) 56(84) bytes of data. --- 220.181.57.216 ping statistics --- 80 packets transmitted, 0 received, 100% packet loss, time 78...
such as: how to open the log of the spring-data-mongodb tool in ssm and print the sql execution statement? the above article seems to solve my problem, but I don t know in which file it is set up? ask for help! ...
is analog signal transmission or digital signal transmission used in frequency division multiplexing in the following figure? why is so little bandwidth used? I read in a book that the digital signal transmits voice at 8 bits and takes 8000 samples per ...
I would like to ask you heroes: the list in python, is there any difference in the order of list.sort (reverse=true) and list.reverse ()? gets the same result. ...
There are two areas in the State and Lifecycle section that I don t quite understand 1. State Updates are Merged The merging is shallow, so this.setState ({comments}) leaves this.state.posts intact, but completely replaces this.state.comments. ...
A project done with react has a list page in which the contents of the list need to be animated with expansion and contraction, which I implemented using css3 s transition. The code is as follows: .am-card-body { max-height: 1.3rem; overflow...