John questions

• Using Ruby Spreadsheet gem, is there a way to get cell to adjust to size of content
• Creating a Factory association that defaults to nil?
• Heroku not resetting database
• Modifying BaseController in rails ActiveAdmin gem
• Merging cells with Ruby Gem Spreadsheet
• In Rails how to check if javascript file exists before using javascript_include_tag
• Relation does not exist when running rspec tests
• How to see e-mail views in browser using rails
• How to override default_scope in ActiveAdmin in Rails
• How to have blank lines in a .text.haml document?

John answers