Useful
umount 报错umount: /new_room: target is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1))
挂载逻辑卷后，尝试更新逻辑卷的文件系统 [root@server lost+found]# umount /new_room/ umount: /new_room: target is busy. (In some cases useful info about processes that use ......
圆方树 useful things
圆方树，是解决仙人掌问题的实用方法，假设最初图都是圆点，对于每个环新建一个方点并连接这个环上所有圆点，能很好规避同一个点可能属于很多个环的情况，并且发现build完之后是一棵树 广义圆方树，能够不局限于去解决仙人掌问题，能上升到无向图层面，很好解决图上路径类，等等问题 那么如何建立圆方树？有点类似 ......
圆方树 useful things
圆方树，是解决仙人掌问题的实用方法，假设最初图都是圆点，对于每个环新建一个方点并连接这个环上所有圆点，能很好规避同一个点可能属于很多个环的情况，并且发现build完之后是一棵树 广义圆方树，能够不局限于去解决仙人掌问题，能上升到无向图层面，很好解决图上路径类，等等问题 那么如何建立圆方树？有点类似 ......
[886] Some useful functions in ArcPy
Exists: Determines the existence of the specified data object. This function tests for the existence of various data types including feature classes, ......
Useful Tools for Car Diagnostics
As cars become more advanced and digitally connected, it is crucial to have professional diagnostic tools to effectively diagnose and troubleshoot any ......
grep - useful options
The “ -c ” option counts the number of occurrences of a string: even though ABC4.sh has no matches, it still counts them and returns zero: grep –c abc ......
Cisco switches useful commands
useful show commands 34 COMMAND DESC sh log Will show the log sh run Will show the switch config sh run int g0/1 Will show the config for g0/1 sh int ......
Learn about some useful truck diagnostic scanner tools
Have you ever experienced the frustration of unexpected breakdowns with your truck? Or maybe you’re tired of paying expensive diagnostic fees at your ......
[React Typescript] Useful React Prop Type Examples
Relevant for components that accept other React components as props. export declare interface AppProps { children?: React.ReactNode; // best, accepts ......