Top network posts

• 496 Docker - Name is already in use by container
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• 48 Simple rails rake task refuse to run with error "Don't know how to build task", why?
• 40 ActiveRecord: Update a record if exists else create?
• 23 ruby on rails 3.1 move .swf to asset pipeline?
• 17 rails 4: split routes.rb into multiple smaller files
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