Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on MySQL

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

sudo service mysql restart
mysqladmin -u root -p variables | grep port

mysqladmin --help list the locations of my.cnf.

mysqladmin --help

Python Packages

  1. peewee

  2. PyMySQL

  3. MySQLdb

References

Class in Python

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

@abstractmethod, @staticmethod, abstract class, etc.

override,

prefer classmethod to static method;

both class and static methods can be override

Meta Class

https://stackoverflow.com/questions/100003/what-are-metaclasses-in-python

It seems to me …

The Installation Location of Python Packages Using Pip

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

When installing a Python package using pip without using sudo or the root user, the package is installed into the user's local directory at ~/.local/lib/python3.7/site-packages (using Python …

Tips on PySimpleGUI

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

http://www.blog.pythonlibrary.org/2019/10/23/a-brief-intro-to-pysimplegui/

https://pysimplegui.readthedocs.io/en/latest/