Dinh Ngoc Hien hiendinhngoc

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hiendinhngoc / find_query.md

Created March 18, 2016 04:23

http://ryanbigg.com/2013/06/finding-sql-queries-in-rails/

hiendinhngoc / error.md

Last active March 17, 2016 04:46

this is my controller:

module Admin
  class StatsController < Admin::BaseController
    def index
      @q = User.ransack(params[:q])
      @users = @q.result(distinct: true).page(params[:page]).per(params[:per] || DEFAULT_PER_PAGE)
    end
  end
end

hiendinhngoc / rails_uda.md

Created March 16, 2016 03:20

Udacity rails free course

https://www.udemy.com/8-beautiful-ruby-on-rails-apps-in-30-days/learn/#/lecture/4686488

hiendinhngoc / postgres_command.md

Last active March 10, 2016 03:23

Login to postgres:
psql -U postgres (Mac OS)
sudo -u postgres psql (Ubuntu)
List databases:
psql -l
Create user and password:
psql -U postgres -c "CREATE USER hien WITH PASSWORD '119201my'"
Show roles:
select * from pg_roles;