I have a list,list whose element is dict. [{centre: (743), radius: 1105), radius: 41}, {centre: (743, 1106), radius: 48}, {centre: (899, 1443), radius: 48}, {centre: (900, 1442), radius: 40})] this is a data structure about the center and radius o...
persons= [{ name : Jon , age : 32}, { name : Alan , age : 50}, { name : Bob , age :23}] sorted (persons, key = lambda x: (x [ name ],-x [ age ]) persons [{ age : 32, name : Jon }, { age : 50, name : ...
There is no update on git status github after git push-u origin master. Is it wrong for me to push? Gods, help me it was updated on github half an hour later. This problem ends ...
const Tree = [{ name:1, children:[{}], childrenNum:0 }] calculate the number of his descendants for each node childrenNum did not write it for a long time and ask the boss for guidance ...
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or whether there are other similar controls. ...
question background is now writing a firewall project based on Linux netfilter . There are some questions about the interaction between kernel and user mode programs . Program environment centos7(3.10) gcc 4.8.5 20150623 (Red Hat 4.8.5-16) (G...