I’m terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table? 5 Answers 5
Where can I find a list of data types that can be used in Ruby on Rails 4? Such as text string integer float date I keep learning about new ones and I’d love to have a list I could easily refer to. 5 Answers 5
How can I set default value in ActiveRecord? I see a post from Pratik that describes an ugly, complicated chunk of code: http://m.onkey.org/2007/7/24/how-to-set-default-values-in-your-model class Item < ActiveRecord::Base def initialize_with_defaults(attrs = nil, &block) initialize_without_defaults(attrs) do setter = lambda { |key, value| self.send(“#{key.to_s}=”, value) unless !attrs.nil? && attrs.keys.map(&:to_s).include?(key.to_s) } setter.call(‘scheduler_type’, ‘hotseat’) yield self if block_given? end end … Read more
I want to make a copy of an ActiveRecord object, changing a single field in the process (in addition to the id). What is the simplest way to accomplish this? I realize I could create a new record, and then iterate over each of the fields copying the data field-by-field – but I figured there … Read more
