Rails Foundation Contributing Member

Ruby on Rails consulting from engineers who work deep in Rails.

Saeloun helps teams modernize Rails applications, improve performance, untangle production issues, and ship product work with a senior Rails and React team in Boston and Pune.

599+
engineering articles
2019
founded in Boston
Rails
Foundation member

Latest Rails, React, and engineering articles

Field notes on framework changes, performance, upgrades, testing, and product engineering.

authorImg Rohit Kumar
authorImg Rohit Kumar

Rohit is a Senior Software Engineer with 11 years of experience in Ruby on Rails. He is one of Saeloun’s key engineers, known for his deep technical insights and impact beyond just code.

Ruby Method Arguments and Arity Explained

Deep dive into different ways of passing arguments to methods and how it affects their arity
authorImg Prateek Choudhary
authorImg Prateek Choudhary

Prateek focuses on delivering impactful and reliable digital products.

Rails 6.1 where.missing to Find Orphan Records

Rails 6.1 adds where.missing query method to easily find records with missing associations.
authorImg Aditya Narsapurkar
authorImg Aditya Narsapurkar

Aditya is a Senior Software Developer who combines his expertise in Ruby on Rails and ReactJS to create highly performant and scalable web applications.

Ruby 2.7 Allows Comments Between Fluent Dots

Ruby 2.7 allows placing of comment lines between chained methods.
authorImg Aditya Narsapurkar
authorImg Aditya Narsapurkar

Aditya is a Senior Software Developer who combines his expertise in Ruby on Rails and ReactJS to create highly performant and scalable web applications.

Webpacker is the new default in Rails 6

Webpacker is the new default JavaScript compiler instead of Sprockets in Rails 6
authorImg Narendra Rajput
authorImg Narendra Rajput

Narendra is an Engineering Manager and a Ruby on Rails expert with over 11 years of experience. He’s a core engineer at Saeloun, known for his technical excellence and influence that extends beyond code.

Ruby 2.7 Multiple Assignment with rescue

Ruby 2.7 fixed how the `rescue` modifier was parsed in multiple assignment statement.
authorImg Rohit Kumar
authorImg Rohit Kumar

Rohit is a Senior Software Engineer with 11 years of experience in Ruby on Rails. He is one of Saeloun’s key engineers, known for his deep technical insights and impact beyond just code.

Fixing N+1 Queries in Active Record

Overcome N+1 issues in Active Record using includes, preload, eager_load, pluck, select, and exists? methods.
authorImg Prajakta Tambe
authorImg Prajakta Tambe

Prajakta, a founding team member, is a proficient Ruby on Rails Developer with extensive expertise in developing scalable and efficient web solutions.

Ruby 2.7 Deprecates Regexp#match with nil

Ruby 2.7 has deprecated Regexp#match and Regexp#match? with a nil argument. It will raise a TypeError in the next release.
authorImg Prajakta Tambe
authorImg Prajakta Tambe

Prajakta, a founding team member, is a proficient Ruby on Rails Developer with extensive expertise in developing scalable and efficient web solutions.

Ruby 2.7 Reverts Flip-Flop Operator

Ruby 2.7 reverts the deprecation of flip-flop operator
authorImg Puneet Sutar
authorImg Puneet Sutar

Puneet, a highly proficient Senior Developer, specializes in crafting engaging user interfaces with React and scalable backend solutions with Ruby on Rails.

Ruby 2.7 Private Method Calls with self

Ruby 2.7 allows calling a private method with a literal self as the receiver.
authorImg Alkesh Ghorpade
authorImg Alkesh Ghorpade

I am a seasoned developer with over 9 years of experience in Ruby on Rails and Golang. My passion lies in tackling complex data structures and algorithm problems, always pushing myself to learn and grow. In my downtime, I find solace in the pages of books and the soothing sounds of a guitar. But I'm not just a one-trick pony! I love to stay active and challenge myself in other ways too. Whether it's on the football pitch, cricket field, table tennis table, or badminton court, I'm always up for some fun activities.

Ruby 2.7 Separates Time#inspect from

Ruby 2.7 separated Time#inspect from Time#to_s and added sub seconds