https://github.com/oneclick/rubyinstaller/wiki/Development-Kit
download from http://rubyinstaller.org/downloads/
- install to d:\devkit
- cd d:\devkit
- ruby dk.rb init
this will generate config.yml
- ruby dk.rb install
https://github.com/vertiginous/pik
gem install pik
add "d:\pik" to your path
# check path
path
install pik
pik_install d:\pik
commands:
pik ls
# result:
ruby-1.9.3-p125
ruby-2.0.0-p353
ruby-2.0.0-p451
ruby-2.1.5-p273
pik use ruby-2.1.5-p273
add ruby if needed:
pik add D:\Ruby200-x32\bin
pik add D:\Ruby200-x64\bin
pik add D:\RailsInstaller\Ruby1.9.3\bin
pik ls
http://maxivak.com/installing-mysql2-gem-on-ruby-1-9-2-and-rails-3-0-5-on-windows/