Di Wen ifyouseewendy
ifyouseewendy
/ siyu.rb
Created
August 9, 2013 15:31
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| DATES = ["2012-01-01", | |
| "2012-02-01", | |
| "2012-03-01", | |
| "2012-04-01", | |
| "2012-05-01", | |
| "2012-06-01", | |
| "2012-07-01", | |
| "2012-08-01", | |
| "2012-09-01", | |
| "2012-10-01", |
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| Note 1. | |
| Single Table Inheritance | |
| http://api.rubyonrails.org/classes/ActiveRecord/Base.html | |
| class Teacher < User | |
| has_many :courses | |
| end | |
| class Course |
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