第57回 Ruby/Rails勉強会@関西での初級者向けレッスンの資料を公開します。*1 エラーメッセージ require 'open-uri' open 'http://github.com/rubykansai/workshops/wiki' .../open-uri.rb:223:in `open_loop': redirection forbidden: http://github.com/rubykansai/workshops/wiki -> https://github.com/rubykansai/workshops/wiki (RuntimeError) from .../open-uri.rb:149:in `open_uri' from .../open-uri.rb:688:in `open' from .../open-uri.rb:34:in `open' fr
