Ruby On Rails Group By

If you re running ruby 1 9 it is simply an alias for hash.
Ruby on rails group by. And last but not least any kind of discussion regarding ruby on rails documentation is very welcome on the rubyonrails docs mailing list. The basic principles of mvc model view controller and restful design. How to install rails create a new rails application and connect your application to a database. If for whatever reason you spot something to fix but cannot patch it yourself please open an issue.
Getting started with railsthis guide covers getting up and running with ruby on rails after reading this guide you will know. Product select category group category this will query the database as follows. Returns a hash where the keys are the evaluated result from the block and the values are arrays of elements in the collection that correspond to the key. We have a product model and we want to group them by their category.
Check the ruby on rails guides guidelines for style and conventions. Jquery is fully supported as a replacement for prototype and is the default javascript library in rails 3 1 reflecting an industry wide move towards jquery. How to quickly generate the starting pieces of a rails. The general layout of a rails application.