Category Archives: ruby and rails

hash key downcase

from ruby facets: class Hash def update_keys #:yield: if block_given? each{ |k,v| delete(k) ; store(yield(k), v) } else to_enum(:update_keys) end end def key_downcase! self.update_keys{|k| k.to_s.downcase} end end

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Rake db:migrate to previous version

Migrate to previous version: rake db:migrate VERSION=xx Tags: rails

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Correct usage for with_scope

see this link for the correct usage for with_scope I’m still looking for a way to do a more complex query with scope. For example what if I want to find all data that is public, or private but belongs to me. Maybe with_scope is the right tools, maybe not. I have to find out [...]

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Unit Testing Framework; Separating Code and Testing Data

If you ever read my background, you’ll know that I’m currently working on developing web browser for mobile phone in my company. Well, developing Web Browser is not an easy task; A regular web browser can easily have thousands of requirements. Making sure that whenever we implement something, it doesn’t break other part is becoming [...]

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