--- title: "Aqir (@aqirlone) | Hashnode" description: "Software developer. Read the latest articles by Aqir on Hashnode." url: "https://hashnode.com/@aqirlone" --- @aqirlone # Aqir @aqirlone · India · Joined September 2022 Software developer ### [What is ActiveRecord in rails ?](https://aqirlone.hashnode.dev/what-is-activerecord-in-rails?utm_source=hashnode&utm_medium=feed) Active Record is the Object-Relational Mapping (ORM) layer in Ruby on Rails. It allows developers to interact with the database in an object-oriented way. Here are some key features and concepts of Active Record: 1. Mapping between tables and classes... 1 min read · [aqirlone.hashnode.dev](https://aqirlone.hashnode.dev/what-is-activerecord-in-rails?utm_source=hashnode&utm_medium=feed) [Jul 14, 2024](https://hashnode.com/posts/what-is-activerecord-in-rails/66937322edd121266e4549b1) ### [Step-by-Step Guide to Implementing React createPortal for Better UI](https://aqirlone.hashnode.dev/step-by-step-guide-to-implementing-react-createportal-for-better-ui?utm_source=hashnode&utm_medium=feed) Using React createPortal for effective content rendering. 3 min read · [aqirlone.hashnode.dev](https://aqirlone.hashnode.dev/step-by-step-guide-to-implementing-react-createportal-for-better-ui?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/step-by-step-guide-to-implementing-react-createportal-for-better-ui/6627d2b2159bcb13d95ea571) [Apr 23, 2024](https://hashnode.com/posts/step-by-step-guide-to-implementing-react-createportal-for-better-ui/6627d2b2159bcb13d95ea571) ### [Basics of Ruby Programming.](https://aqirlone.hashnode.dev/basics-of-ruby-programming?utm_source=hashnode&utm_medium=feed) Basics of ruby 6 min read · [aqirlone.hashnode.dev](https://aqirlone.hashnode.dev/basics-of-ruby-programming?utm_source=hashnode&utm_medium=feed) [Apr 13, 2024](https://hashnode.com/posts/basics-of-ruby-programming/661ac7528838869a07296325) ### [Improving performance in a Ruby on Rails application with PostgreSQL](https://aqirlone.hashnode.dev/improving-performance-in-a-ruby-on-rails-application-with-postgresql?utm_source=hashnode&utm_medium=feed) Improving performance in a Ruby on Rails application with PostgreSQL involves several strategies: 1. Database Indexing: Ensure that your database tables are properly indexed, especially for columns frequently used in queries. This can significantly s... 10 min read · [aqirlone.hashnode.dev](https://aqirlone.hashnode.dev/improving-performance-in-a-ruby-on-rails-application-with-postgresql?utm_source=hashnode&utm_medium=feed) [Apr 4, 2024](https://hashnode.com/posts/improving-performance-in-a-ruby-on-rails-application-with-postgresql/660df689133deeab1bd6a5d2) ### [Mastering ActiveRecord in Ruby on Rails](https://aqirlone.hashnode.dev/mastering-activerecord-in-ruby-on-rails?utm_source=hashnode&utm_medium=feed) RubyOnRails Active Record. 2 min read · [aqirlone.hashnode.dev](https://aqirlone.hashnode.dev/mastering-activerecord-in-ruby-on-rails?utm_source=hashnode&utm_medium=feed) [Apr 2, 2024](https://hashnode.com/posts/mastering-activerecord-in-ruby-on-rails/660ba151ca5413867f710a45)