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nfm has asked 48 questions and find answers to 28 problems.

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nfm questions

Should I write tests that directly map input to output, or dynamically generate a result?
Adding a hook to script/generate migration
How do I use transactions within custom capistrano tasks?
How do I initialize attributes when I instantiate objects in Rails?
Should I prevent record editing using a filter in my controller or a callback in my model?
How can I optimize querying this data in postgresql?
How do I pass an array to fields_for in Rails?
How do I write a function as both an event handler and a callable function that takes an argument?
Is it possible to create multiple Chrome Hosted Apps for the same domain?
Rails: How do I define an association extension in a module that gets included in my AR model?

nfm answers

column_types is nil in Rails 4.0.1
number of page views for a content
Creating a different "genre" of my website (i.e., I have a stackoverflow-equivalent and I want to create a serverfault-equivalent)
Ruby on Rails: Skipping 'validate_on_create' statement for seeds
Wrapping <%= f.check_box %> inside <label>
Rails3 button_to is calling POST action, trying to call PUT action
Problem with Rails 3 and MySQL related to JSON dependency in ActiveSupport
activerecord sum returns a string?
How do I freeze gems into a Rails 3 application?
Is it possible to have Haml indent HTML generated by a view helper in Rails?