Problems with nil and how to avoid them - discu.eu

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Problems with nil and how to avoid them http://blog.ragnarson.com/2015/05/06/problems-with-nil.html 3 comments 6/5/2015

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Top 10 errors from 1000+ Ruby on Rails projects (and how to avoid them) | Rollbar https://rollbar.com/blog/top-10-ruby-on-rails-errors/ 18 comments

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