Yuri Veremeyenko yurivm

## upgrade-postgres-9.5-to-9.6.md

      
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                yurivm
                / upgrade-postgres-9.5-to-9.6.md
            
            
              Created
              November 1, 2017 14:20
                — forked from delameko/upgrade-postgres-9.5-to-9.6.md
            
              
                Upgrading PostgreSQL from 9.5 to 9.6 on Ubuntu 16.04
              
          
    TL;DR
Install Postgres 9.5, and then:
sudo pg_dropcluster 9.6 main --stop
sudo pg_upgradecluster 9.5 main
sudo pg_dropcluster 9.5 main

  
## string_ext.rb
class String
  def to_bool
    return true   if self == true   || self =~ (/(true|t|yes|y|1)$/i)
    return false  if self == false  || self.blank? || self =~ (/(false|f|no|n|0)$/i)
    raise ArgumentError.new("invalid value for Boolean: \"#{self}\"")
  end
end
	class String
	def to_bool
	return true if self == true \|\| self =~ (/(true\|t\|yes\|y\|1)$/i)
	return false if self == false \|\| self.blank? \|\| self =~ (/(false\|f\|no\|n\|0)$/i)
	raise ArgumentError.new("invalid value for Boolean: \"#{self}\"")
	end
	end