Do you remember pg_morph, which "cheated" ActiveRecord? Now foreign keys for polymorphic relations can be added without unnecessary database overload.
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Do you know Lean Startup? Do you want to design and run product experiements? Apply for a lean startup internship at Lunar!
Simplifying your Rails workflow is easy using the command-line. Szemek explains how to create and use command-line applications in Ruby.
Krzysiek shows us how to make Rails model easier to maintain and easier to test.
Riccardo Odone is a great example of how to get your dream job. He flew 13000km to score an internship and work at Lunar Logic. Read about it here.