git-merge-conflict

git-rebase

git-clone

git-push

创建版本库: git-init

git-remote-add

git-rm

git-add-commit

git-status

git-rm-tag

运行hello.py

编写第一个Python程序

用Visual Studio Code搭建Node.js开发环境

SQL: read committed

管理修改

Python定义函数并调用

SQL: read uncommitted

SQL: Repeatable Read

start-py

install-py