Mathieu questions

• Active Admin -refresh second drop down based on choice on first drop down (Rails 3.2)
• Rspec tests failing with user being redirected when he should be given access to a Deal he owns
• NoMethodError: undefined method `email' for nil:NilClass (Rspec/factory girl/cancan/devise)
• Cheerio - Get text with html tags replaced by white spaces
• How to display associated model's attribute in Active Admin index with belongs_to/has_many relationship (Rails 3.2/Active Admin)
• rspec - PG::UnableToSend:server closed the connection unexpectedly This probably means the server terminated abnormally
• NoMethodError: undefined method `email' for nil:NilClass : can't send email with devise/sendgrid(Rails 3.2)
• Ruby on Rails 4.2 Asset pipeline not minifying/compressing the application-fingerprinted.js JS file
• Advisory locks or NOWAIT to avoid waiting for locked rows?
• Rspec/capybara - test presence of a class OR another class

Mathieu answers