link on JianShu 万事多用Man Top Top命令含义 What are us, sy, ni, id, wa, hi, si and st (for CPU usage)? us: user cpu time (or) % CPU time spent in user space sy: system cpu time (or) % CPU time spent in kernel space ni: user nice cpu time (or) % CPU time spent on low priority processes
将不同数据库存储到不同的物理位置 # systemctl stop mysql systemctl stop mysql # mv /var/lib/mysql/数据库名 /新路径/数据库名 mv /var/lib/mysql/数
下面为官方内容，研究透下面的内容，不用再搜索任何其他资料了:) 记录下链接没啥用哈，搞清楚how和what之后才能变成自己的东西 developer apple center developer account xcode app
list of all Problems from leetcode.
第一周题目 链表 简单：https://leetcode.com/problems/remove-duplicates-from-sorted-
