Add column and Index using ActiveRecord in Rails $ rails generate migration add_path_to_articles path:string:index #active_record (1) #alter (1) #add_column (1) #add_index (1) #rails (43) List Please enable JavaScript to view the comments powered by Disqus. Ruby Memory — Line by Line Breakdown x1wins@changwoo.net Ruby Memory Internal...... #ruby (18) #rails (43) #memory (3) #heap (3) #stack (4) #gc (1) #rvalue (1) #optimization (1) __NSPlaceholderDate x1wins@changwoo.net Case 1. [74118] - Wo...... #rails (43) rails cron job x1wins@changwoo.net Rails job & whenever...... #job (1) #cron (1) #rails (43) rails production deploy x1wins@changwoo.net RAILS_ENV=production...... #production (1) #deploy (3) #rake (4) #rails (43) $ rails credentials:help x1wins@changwoo.net $ rails credentials:...... #credentials:help (1) #rails (43) Rails with Docker cheat sheet x1wins@changwoo.net rails new command wi...... #kubernetes (1) #docker (30) #rails (43) asset path in controller x1wins@changwoo.net ActionController::Ba...... #ruby (18) #rails (43) Bundler could not find compatible versions x1wins@changwoo.net August 18, 2019 Rail...... #rails (43) rails dockerfile x1wins@changwoo.net FROM ruby:2.6.1 RUN...... #dockerfile (3) #rails (43) migrate rollback x1wins@changwoo.net migrate, rollback r...... #docker-compose (9) #docker (30) #rake (4) #rails (43)