Sinatra: Frequently Asked QuestionsFrequently Asked Questions Frequently Asked Questions How do I make my Sinatra app reload on changes? What are my deployment options? How do I use sessions? How do I use session-based flash? Can I run Sinatra under Ruby 1.9? How do I get the “route” for the current page? How do I access helpers from within my views? How do I render partials? Can I have multiple URLs trigger the same route/handler?
【Sinatra】POSTメソッドでJSONを受け取りたい - Qiita
