Java
关于try,finally里面的return,到底谁先执行的问题:https://blog.csdn.net/java19950529/article/details/52044161
多线程
线程状态:https://www.cnblogs.com/jijijiefang/articles/7222955.html、https://www.cnblogs.com/cowboys/p/9315331.html
数据库
sql
内连接外连接:https://blog.csdn.net/u013215018/article/details/52808979、https://blog.csdn.net/u012954380/article/details/79672133
redis
数据库和缓存一致性:https://www.cnblogs.com/rjzheng/p/9041659.html(孤独烟)