This README would normally document whatever steps are necessary to get the application up and running.
Things you may want to cover:
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Ruby version
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ruby 2.2.2
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rails 4.2.5
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Replace username and password in config/database.yml with your local database credentials. It uses postgres.
“‘ruby bundle exec rake db:create db:migrate db:seed –trace “`
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Admin credentials are present in the seeds.rb
Clone active admin and refer it in Gemfile. you can find syntax in Gemfile.
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Sorting
refer Rails.root/config/initializers/order_clause.rb
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Filtering
remove ransacker? from lib/active_admin/filters/formtastic_addons.rb#seems_searchable? from local active_admin repo.
for more info refer [Stackoverflow](stackoverflow.com/questions/36546815/custom-filter-on-custom-column-in-activeadmin) and [ActiveAdmin](github.com/activeadmin/activeadmin/issues/4399)