Server Command

Start and restart pm2 list to check the status of servers and the server id. pm2 restart server_id to restart server Database command mongodb shell »

Linux Shell PATH variation

Start and restart original link The main difference with shell config files is that some are only read by "login" shells (eg. when you login from »

GoLang Notes

Package package math/rand 的名字就是 rand. Exported name first letter is capital letter e.g. math.Pi. Functions when defining function, types comes after the name »