我已经从主机名和用户定义的环境变量(Linux操作系统Ubuntu) echo $USER
pvicente
echo $HOSTNAME
glace
我得到的CMakeLists.txt的变量,但在检测到用户并不HOSTNAME 输出 -- USER environment variable is set to: pvicente
-- HOSTNAME environment va
我想从我的Rails 5应用程序创建一封电子邮件,并且我想为每个环境设置“From:”地址。所以我创建的配置/初始化/ mailer_config.rb丝毫此内容 if defined?(Rails)
case Rails.env
when "production"
RAILS_FROM_EMAIL = "[email protected]"
when "t