Why we use migration in rails?
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How many types of variables are available in ruby class?
Explain rails caching levels.
What is a proc ?
am new to ruby. tell me one thing. i can view my project on browser when i write "ruby script/server". otherwise i cant view my project on localhost. what i have to do to view my project always on browser? pls help
ruby on rails and java ,which of one of the best in future &present?
what is the use of super function in ruby on rails?
how can you declare a block in Ruby?
hi am b,tech 2011 passedout now am learnig ROR technology may i knw what is the feature of this one and what is the salary ranges to this i heard there is a less salaries to this technology give me valuable suggestions
what is rake in Rails?
Explain valid and invalid in rails?
What is bundler?
Explain me what is the naming convention in rails?