转载
pycharm+pyqt5配置
转自 https://www.cnblogs.com/BlueSkyyj/p/8398277.html
Django教程
http://www.liujiangblog.com/course/django/2
mysqlroot密码设置
https://blog.csdn.net/sinat_21302587/article/details/76870457
mysql卸载与安装
卸载:sudo apt-get autoremove mysql* --purge
https://blog.csdn.net/qq_25730711/article/details/53503959
http://www.cnblogs.com/steven_oyj/archive/2010/05/24/1742808.html
ubuntu18.04+jdk10安装配置
https://blog.csdn.net/microhhh/article/details/80180594