Farrel questions

Farrel answers

• Simplest way to send mail with Ruby on Rails
• Fetching second level model with rails active record
• How to access a toplevel entity in ruby, from inside a module which defines the same name
• Ruby Style Question: storing hash constant with different possible values
• check if the value of a field changed in a before_update filter
• Quick Advice: How should this be written in Ruby?
• Two questions related to Ruby threads
• Why Does Ruby Only Permit Certain Operator Overloading
• how to convert a fraction to float in ruby
• What will give me something like ruby readline with a default value?