Rails Playground

With the release of Rails 2.3.4, It includes validators independent from models. Rails is going much more DRY.

For this one just have to define a class that inherits ActiveRecord::Validator and there you go

Let’s see an example:

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class EmailValidator < ActiveRecord::Validator
	def validate
		record.errors[:email] << “is not valid” unless
		record.email =~ /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
	end
end

Validate method override validate method of parent class. Now you can include this to any of your model.

Let’s see HOW?

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class bussiness < ActiveRecord::Base
	validates_with: EmailValidator #That’s all
end

I was working on project when I bumped into a new feature, rather an old one; I don’t care although, that we can render partial without writing partial or locals.

Check it out how?

before

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    render :partial => 'students/notice_board', :locals => { :note =>@ note, :show_title => true}

this can be rewritten as:

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    render 'students/notice_board', :note => @note, :show_title => true

and all those thing will be working as is as before.

Pamper your hands, try this

Three cheers.