~/.cargo 目录下创建config 的文本文件 内容为 [source.crates-io] registry = "https://github.com/rust-lang/crates.io-index" replace-with = 'ustc' [source.ustc] registry = "git://mirrors.ustc.edu.cn/crates.io-index" 再添加环境变量 sudo nano ~/.bash_profile 内容为 export RUSTUP_DIST_SERVER=https://mi...
MySQL数据库面试题(2020最新版)