From: Brian Candler <b.candler@...>
Date: 2010-01-09T05:45:34+09:00
Subject: Re: Something changed an instance variable ... and now I'm confused

Rick Denatale wrote:
> Is activation_code an attribute of an ActiveRecord model?
> 
> If so then the value isn't stored in an instance variable

I believe it's stored in @attributes (which is a Hash)

> You need something like:
> 
> def activation_code=(arg)
>     puts at_file_line_msg(__FILE__, __LINE__)
>           puts "arg=" + arg
>     self['activation_code'] =arg
>     debugger
>     arg    # strictly speaking you don't really need this since ruby
> assignments via an x= method ignore the return value
> end

Should be cleaner to use: write_attribute('activation_code', arg)

If you have the Agile Web Development with Rails book, look up 'facade 
columns' in the index.
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