retgoat questions

retgoat answers

• Get mp3 duration when uploading to S3 using carrierwave
• How to get record which have min has_many rec ords(joins data)
• GitHub is painfully slow on Safari (macOS Sierra 10.12)
• Old and new values for an attribute in ActiveRecord validation
• In RSpec, how to expect multiple messages with different parameters in any order?
• Connection Pool for rails 5
• Scheduling a terminal command or script file to run daily at a specific time Mac OS X