摘要：ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)一般出现这种错误不是密码没设置，就是密码错误（可能也有其他的原因）依次执行下面的命令：/etc/init.d/mysql stop (... 阅读全文

摘要：题目连接地址：https://leetcode.com/problems/word-frequency/Write a bash script to calculate the frequency of each word in a text filewords.txt.For simplicity... 阅读全文