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.
ACID transactions in every day applications
Breaking down the use of ACID transactions using real-life examples of systems that we employ every day.Rails 6.1 adds support for signed ids to Active Record
Rails 6.1 added support for signed ids which are a tamper-proof way of identifying a bearerWays for reducing Heroku slug size
Techniques for reducing Heroku slug size for Rails applicationsRails has deprecated using return, break and throw to exit a transaction
Rails has disallowed using return, break and throw for exiting early from a transaction and having it committed.Rails has added strict loading mode to prevent lazy loading
Rails has added strict loading mode to prevent lazy loading of associations and help avoid N + 1 queriesRails has added support for automatic database connection switching from primary to the replica
Rails has added support for automatic database connection switching from primary to the replicaHow to pass arguments to methods in ruby and how it affects their arity
Deep dive into different ways of passing arguments to methods and how it affects their arityImproving Database performance and overcoming common N+1 issues in Active Record using includes, preload, eager_load, pluck, select, exists?
Improving Database performance and overcoming common N+1 issues in Active Record using includes, preload, eager_load, pluck, select, exists? and reducing number of overall queriesUsing bind parameters in Active Record for SQL security and performance
Using bind parameters in Active Record for improved SQL security and performanceRuby 2.7 deprecates automatic conversion from a hash to keyword arguments
Ruby 2.7 deprecates automatic conversion from a hash to keyword arguments in preparation for real keyword arguments in Ruby 3.0