Jef questions

Jef answers

• How do I fix Rails installation errors?
• RAILS: Bundler could not find compatible versions for gem "actionpack":
• How to debug HTTP AUTH params in Rails?
• Can I apply a mask on an image with Ruby?
• Need to recompile assets in Rails in case of change. How do I get rid of it?
• Devise token_authenticatable deprecated, what is the alternative?
• How long should "rake routes" run?
• How to check the production environment logs of rails application deployed on Engine Yard
• named routes from string with object
• FactoryGirl, why I get already registered or uninitialized constant?