Rhythm & Biology

Engineering, Science, et al.

ruby

rack事始め

rackのインストール % gem install rack まずはHello World # filename: hello.ru require 'rubygems' require 'rack' class Hello def call(env) [200, {"Content-Type" => "text/plain"}, ["Hello World"]] end end run Hello.new 実行 % rackup hello.ru …