ruby-on-rails-3 Archives

I am using Ruby on Rails 3.2.2 and I would like to know if the following is a “proper”https://stackoverflow.com/”correct”https://stackoverflow.com/”sure” way to override a ...

June 1, 2022
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Programming, ruby

IT Nursery

Is it possible to run a single test in MiniTest?

I can run all tests in a single file with: rake test TEST=path/to/test_file.rb However, if I want to run just one test in ...

June 1, 2022
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Programming, ruby-on-rails

IT Nursery

Validate uniqueness of multiple columns

Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model ...

May 31, 2022
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Programming, ruby

IT Nursery

Best way to pretty print a hash

I have a large hash with nested arrays and hashes. I would like to simply print it out so it ‘readable’ to the ...

May 30, 2022
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Programming, ruby-on-rails-3

IT Nursery

Understanding :source option of has_one/has_many through of Rails

Please help me in understanding the :source option of has_one/has_many :through association. The Rails API explanation makes very little sense to me. “Specifies ...

May 30, 2022
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ActiveRecord: size vs count

In Rails, you can find the number of records using both Model.size and Model.count. If you’re dealing with more complex queries is there ...

May 26, 2022
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