Explain valid and invalid in rails?
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What are float, dig and max?
Why do we use request.xhr? in rails
What are the various components of rail?
let me know what is ruby software and where and when it is usefull. Is it usefull to data base developer, if yes...where? thank you
Why we use migration in rails?
What is the symbol garbage collector?
What is rails scaffolding?
how can you declare a block in Ruby?
Is ruby on rails popular?
Tell me what is mixin in rails?
Explain Get and post method?
How is the model view controller framework used in ruby on rails?