Yanhao questions

Yanhao answers

• How to serialize and deserialise mailers?
• ruby on rails: radio buttons for collection select
• How to find out what is intercepting 'method_missing'
• Resetting the value of fields after submitting the ruby form
• Caching evaluated result in rails helper methods
• Where can I find a list of the various rails versions?
• Generate custom attributes in check_box_tag
• Redirect to after successful ajax form
• Ruby: How to remove trailing backslashes from a string?
• Translation in .yml with optional parameter