在Snow Leopard上,启动MySQL会出现以下错误:
服务器退出而不更新PID文件
[mysqld]
port = 3306
socket = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 16K
pid-file=/var/run/mysqld/mysqld.pid
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
Run Code Online (Sandbox Code Playgroud) 如何从URL字符串中获取域名?
+----------------------+------------+
| input | output |
+----------------------+------------+
| www.google.com | google |
| www.mail.yahoo.com | mail.yahoo |
| www.mail.yahoo.co.in | mail.yahoo |
| www.abc.au.uk | abc |
+----------------------+------------+
Run Code Online (Sandbox Code Playgroud)
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