Ruby on Rails is an open-source web development framework written in Ruby.
How do I generate a random number between 0 and n?
ruby-on-rails ruby ruby-on-rails-3 ruby-on-rails-4 randomI wrongly named a column hased_password instead of hashed_password. How do I update the database schema, using migration …
ruby-on-rails ruby-on-rails-3 migration rename alter-tableI have a Users model which needs an :email column (I forgot to add that column during the initial scaffold). …
ruby-on-rails-3To add a new pair to Hash I do: {:a => 1, :b => 2}.merge!({:c => 3}) #=> {:a => 1, :b =&…
ruby-on-rails ruby ruby-on-rails-3 hashmap ruby-hashI added a table that I thought I was going to need, but now no longer plan on using it. …
ruby-on-rails database ruby-on-rails-3 migration rakeI have a string in Ruby: sentence = "My name is Robert" How can I replace any one word in this …
ruby ruby-on-rails-3I have a dev Ruby on Rails database full of data. I want to delete everything and rebuild the database. …
ruby-on-rails ruby-on-rails-3 rakeI am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the …
ruby-on-rails ruby-on-rails-3 postgresql rails-postgresql pgI would like to take information from another website. Therefore (maybe) I should make a request to that website (in …
ruby ruby-on-rails-3 http requestI want to delete all the files it created and roll back any changes made, but not necessarily to the …
ruby ruby-on-rails-3 rails-generate