Tom questions

Tom answers

• Extend the ActiveSupport::Notifications.subscribe, instantiation.active_record hook
• How to pass &:read as argument to File.open as indicated by Rubocop
• `selenium-webdriver` ruby gem cannot connect with chromedriver on Ubuntu 14.04
• Rails 5.2 Error Changing or Removing Table Column (SQLite3::ConstraintException: FOREIGN KEY constraint failed: DROP TABLE)
• TimeOut with transaction block rails
• Group and count products on items from orders
• Array comparison in Google spreadshet