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validate :price_must_be_at_least_a_cent
protected def price_must_be_at_least_a_cent
errors.add(:price, 'should be at least 0.01') if price.nil? || price < 0.01
end
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1445
posted 16 years ago by stayce
Credit: http://pragmatig.wordpress.com/2009/04/14/recursive-symbolize_keys/
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1529
posted 16 years ago by nate63179
Fetches an RSS feed and displays the title and summary of each entry. Nothing fancy.
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1411
posted 16 years ago by PhilK
Simple example for using ActionMailer with Gmail (or other hosts if you remove the TLS settings).
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1497
posted 16 years ago by PhilK
Ruby provides a platform independent way of displaying file paths. Here are a few common ways to show absolute and relative paths.
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1753
posted 16 years ago by chrisaiv
This shows how we can find objects inside code blocks (aka data sets).
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2346
posted 16 years ago by chrisaiv
Inserted at the top of the method body, this line creates instance variables for each of the method parameters and sets them to their respective argument values.
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1901
posted 16 years ago by pmadden
The shell command which provides documentation for Ruby's classes and methods is:
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1397
posted 16 years ago by deepsoul