<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[B001XFX的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/B001XFX</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; B001XFX]]></copyright><item><title><![CDATA[安装python和pycharm]]></title><link>https://blog.youkuaiyun.com/B001XFX/article/details/133772333</link><guid>https://blog.youkuaiyun.com/B001XFX/article/details/133772333</guid><author>B001XFX</author><pubDate>Wed, 11 Oct 2023 16:03:14 +0800</pubDate><description><![CDATA[cmd中输入python --version检查是否安装成功，如果不显示可能是环境变量的问题；选择合适和版本，下载安装，安装过程中勾选path配置，可以直接配置好环境变量。安装后重启，打开新建一个项目，配置python即可。安装pycharm之前要先安装python。]]></description><category></category></item><item><title><![CDATA[Mysql报错：too many connections原因及解决方法]]></title><link>https://blog.youkuaiyun.com/B001XFX/article/details/132172241</link><guid>https://blog.youkuaiyun.com/B001XFX/article/details/132172241</guid><author>B001XFX</author><pubDate>Tue, 08 Aug 2023 17:49:17 +0800</pubDate><description><![CDATA[wait_timeout 过大有弊端，其体现就是MySQL里大量的SLEEP进程无法及时释放，拖累系统性能，不过也不能把这个指设置的过小，否则你可能会遭遇到“MySQL has gone away”之类的问题。wait_timeout — 指的是mysql在关闭一个非交互的连接之前所要等待的秒数。如果你没有修改过MySQL的配置，wait_timeout的初始值是28800。5、以上步骤修改后虽然能登录，但仍有隐患，我们应该把那些sleep的连接杀掉。2、查看mysql允许的最大连接数。]]></description><category></category></item></channel></rss>