03 2018 档案

mysql默认不支持事务嵌套
摘要：1、每执行start transation autocommit 自动加一。 2、savepoint保存点，将事务保存到某一个点a，rollback to savepoint a 和 release savepoint a；rollback则整个事务回滚；如果没有手动执行commit,而是exit退 阅读全文
posted @ 2018-03-30 23:31 loweringye 阅读(1151) 评论(0) 推荐(0)
电脑上用谷歌浏览器调试安卓手机
摘要：chrome://inspect/#devices 阅读全文
posted @ 2018-03-21 10:41 loweringye 阅读(211) 评论(0) 推荐(0)
kill掉一个screen
摘要：1、screen -R session_name and exit 2、screen -S session_name -X quit 阅读全文
posted @ 2018-03-16 16:58 loweringye 阅读(194) 评论(0) 推荐(0)
centos Interactive shell
摘要：1、yum install readline-devel 2、whereis readline 3、--with-readline=/usr/include/readline 阅读全文
posted @ 2018-03-09 21:08 loweringye 阅读(211) 评论(0) 推荐(0)
Using the Bash Shell on CentOS 6
摘要：Key Sequence Action Ctrl-b or Left Arrow Move cursor back one position Ctrl-f or Right Arrow Move cursor forward on position Delete Delete character c 阅读全文
posted @ 2018-03-09 20:53 loweringye 阅读(145) 评论(0) 推荐(0)