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ruby on rails 3.0 TimeWithZone add hours can't be coerced into Fixnum

An error occurred while installing racc (1.6.0), and Bundler cannot continue

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Difference between concatenation types in ruby

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Return array of replacements from ruby

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Using a number as default index

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Ruby on Rail bitwise operators (&) for the complex types arrays

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What is a cleaner way to calculate percentage when dividing an integer by another integer in Rails? [duplicate]

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How to create seeds of a polymorphic relationship

Cannot install sqlite3 gem on Amazon Linux (development libraries for ruby and sqlite already installed)

Approximate string matching in Ruby

Make RoR nested representable into an array

Why is the integer named Fixnum in ruby? [closed]

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Heroku resque no worker

Move a method between classes using RubyMine

Rails + Passenger: Invalid Route name, already in use