Joe Pym questions

Joe Pym answers

• How to remove the readonly status from a cloned ActiveRecord model?
• What does "temps.each(&:valid?)" mean in Ruby? [duplicate]
• Ruby #detect behaviour with random numbers
• Rails 3 - nested model - has_many - jquery file upload
• Delayed Job with i18n on rails 3
• ruby - why don't blocks inherit their caller's $SAFE level like methods?
• Ruby: Include a dynamic module name
• Reproduce random array sort
• Kanwei minheap slow ruby
• Interpolation of a Ruby string as an ID