SELECT lname FROM Celebrities
GROUP BY lname HAVING COUNT (lname) >1
Methods in helpers are always available in the views, and can be included in controllers.
Auto_increment for some column like id is global. So when you do transaction and you set id=4, and then it is failed; the next available id will be 5, not 4.
In Ruby 1.9, fasterCSV has been made the implementation of the stdlib
CSV, so we remove the rubygems (which btw, is also
included by default in 1.9) and just make require 'csv' and CSV
instead of FasterCSV.
>> c=JSON.parse b
>> if not c[“use”]
>> puts “json parse gives true and false boolean values”
json parse gives true and false boolean values