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It is known that instantiating ActiveRecord objects is slow. When querying, most of the time it's necessary to instantiate them so we can invoke their methods or navigate their relationships. When you need to do a custom select with a...

Ever since Rails 3.1 adopted coffeescript within the asset pipeline as a default, coffescript has become an increasingly popular language for easily writing your javascript code. Despite a lot of tutorials out there on how to write coffee and take...

Rails provides several handy options for specifying how to deal with associated models upon deletion, for example: class Blog has_many :posts, :dependent => :destroy end The destroy value for the dependent option will call the destroy method for...

Default request parameters in Rails functional tests

InSTEDD at Pacific Endeavor 2011