Blog

Running Rails system specs in WSL 2 using Chrome on Windows

Learn how to run Rails system specs with Capybara and Selenium across the WSL 2 and Windows network boundary.

Introduction to fibers

Learn how Ruby Fibers enable efficient concurrent I/O without the overhead of threads or complexity of mutexes.

Recreating database with Rails 8

How to recreate your database in Rails 8 with the updated `rails db:migrate` command

3 most common PostgreSQL VACUUM parameters explained

Learn about the 3 most common PostgreSQL VACUUM parameters and how to use them effectively.

Preloading data with custom scopes and counting association records in Rails

Learn how to preload data with custom scopes and count association records in Ruby on Rails.

Understanding the Pin Operator and Macros in Elixir

Understanding the Pin Operator and Macros in Elixir by building custom DSL

Calculating median with PostgreSQL

Learn how to calculate the median in PostgreSQL using percentile_cont() and percentile_disc() functions

Releasing database connections after each web request in Ruby on Rails

Learn how Ruby on Rails releases database connections back to the pool after each web request.

Hotwire vs HTMX vs Unpoly

Hotwire, HTMX, and Unpoly for building modern UIs.

Using no-new-privileges in Docker

Learn how to use the no-new-privileges security option in Docker to prevent containers from gaining additional privileges