Exploring an interesting requirement of adding IP restrictions on a Rails app.

Pattern matching in Ruby is not just for arrays and hashes, it can be used for custom objects too.

Effective use of database constraints can ensure data integrity.

Testing mock arguments with ease in RSpec.

RSpec brings Ruby's readability to testing. Custom matchers take it to the next level 🚀.

Some good practices when building a robust cache for backend web applications.

Walkthrough on a use-case where Redis pipelines saved the day.

Sharing some examples of flaky tests from my experience.

Make Sidekiq play nicely with errors and error-tracking tools.

Rails 7 added support for PostgreSQL generated columns.

In this post we will see how to test async sidekiq jobs end-to-end.

Yesterday I was reading curried (partial) functions in Scala and I remembered the first time I used them in an actual production application.

Recently I was working on refactoring some unwieldy code for filtering data. Here's a short story of how it went 🙂.

Rails is multi-threaded, but can your redis connection handle it?

Underneath (almost) all Ruby web application lies the Rack architecture. With minimal interface, it is simple to write a middleware. Let's see how to test it.

Composition is the beauty of functional programming & haskell with it's typeclasses excels at this. Let's see what Functors are and how they compose.

Manage multiple versions of JSON serializers in a Rails application with ease.