design pattern

https://refactoring.guru/design-patterns

(中文: https://refactoringguru.cn/design-patterns)

https://sourcemaking.com/design_patterns

https://www.patterns.dev/vanilla

https://gameprogrammingpatterns.com/contents.html

mysql

《MySQL 是怎样使用的：从零蛋开始学习 MySQL》 https://www.itshujia.com/books/msyql

《MySQL 是怎样运行的：从根儿上理解 MySQL》 https://www.itshujia.com/books/mysql

other resources

https://www.explainthis.io/zh-hant/pinthis