• A model just generates the model. Scaffold generates a controller and views, too.</li...

• Rails starts its web server on port 3000 by default. If you want to use a different...

Ruby - String Class

• If you have multiple Rails versions installed on your application, and if you want...

<% .... %> is Scriptlet 

and

<%= ... %... 

• To rollback your most recent migration, execute the command below

<p...

In Ruby 2.4.0, the Fixnum and Bignum classes were merged into Integer, resolving a long-stand...