Rails Trace

What code runs when you request a page from a Ruby on Rails application?

Here is an annotated trace showing every method call within Rails and its dependencies. It is for an example application that loads a blog post from the database and renders a page containing the post's title.

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Active Record

Class / ModuleMethod
ActiveRecord::Scoping::ClassMethods#scope_attributes?

lib/active_record/scoping.rb:30

Created by Chris Zetter in a tribute to Rails and its many contributors.

Read out more about how the trace was made.

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