Terminal–based game in 150 lines

Terminal–based game written in pure Ruby using less then 150 lines of code

How to test graphql-ruby responses

How to test graphql-ruby responses, coming from types, mutations and subscriptions

Service objects in Rails: how to find a mess

Examine your service objects and try to find possible issues caused by wrong composition and missing contracts

Ruby goes to the movie theater: directing the refactoring of your application

How to plan and execute the refactoring of you Ruby application

Errors in GraphQL

GraphQL errors best practices

🎈 Blog turns one year!

How to detect a possible memory bloat in Rails before it starts being a problem

How to find a memory bloat in your Rails app before it happens

How to detect a possible memory bloat in Rails before it starts being a problem

Fantastic global methods in Ruby and where to find them

Where Ruby methods keeps methods and variables defined on the top–level scope

Applicative programming in Ruby: advanced behaviors

Various applicative functor implementations in Ruby

Applicative programming in Ruby: railway reimagined

How to write Railway–style code in Ruby with the Applicative functors

On chosing the ideal architecture of the web application

An essay about my criteria for the ideal architecture

Building complex reports for your own DVD rental shop using PostgreSQL window functions

How to use window functions in PostgreSQL: rank, dense_rank, row_number, sum and lag

Understading why attr_accessor in Ruby is faster than a regular method

A comparison of how different attr_accessor from custom getters in setters in terms of implementation and performance

How to make Ruby interpreter run program written in a natural language

Building a Ruby DSL that can understand and execute a program written in an almost natural language

How to configure field extensions using keyword arguments in GraphQL Ruby

Learn how to configure field extensions for graphql-ruby using keyword arguments in 3 minutes

Why Ruby has Symbols

Difference between strings and symbols in Ruby

Haskell Adventures: Functors

Ruby engineer is exploring functors in Haskell

Haskell Adventures: digging into the declarative approach

Rubyist is travelling to the unexplored Haskelland

One row, many threads: How to avoid database duplicates in Rails applications

Custom “cops” for RuboCop: an emergency service for your Ruby code

How to GraphQL with Ruby, Rails, Active Record, and no N+1

Pulling the trigger: How to update counter caches in your Rails app without Active Record callbacks

Persisted queries in GraphQL: Slim down Apollo requests to your Ruby application

GraphQL on Rails: On the way to perfection

GraphQL on Rails: Updating the data

GraphQL on Rails: From zero to the first query

Wrapping JSON-based ActiveRecord attributes with classes