Tutorials

Framework for Apache Kafka based Ruby and Rails applications development.
Karafka allows you to capture everything that happens in your systems in large scale, providing you with a seamless and stable core for consuming and processing this data, without having to focus on things that are not your business domain.Karafka...

Building auto login for fast Rails development with Sorcery
Login as various users during development can become pretty annoying especially since it’s very difficult to remember all of the passwords across users or apps. If your app authentication happen to be built with Sorcery here’s is a very easy and s...

This Sail engine brings in a setting model and dashboard to control the behavior of Rails applications live
This Rails engine brings a setting model into your app to be used as feature flags, gauges, knobs and other live controls you may need.It saves configurations to the database so that it can be changed while the application is running, without requ...




Debugging silently failing compilation aka Webpacker can’t find application.js
After that I went on a typical programmer journey to find out what might be the issue. I went to google. Webpacker can’t find application.js was indeed a discovered error and yielded various Webpacker issues. Unfortunately nothing seemed like a fi...



How to Speed up Your Tests without Touching the Code
The larger the test suite the slower it gets. This is an obvious yet annying truth. In this article, I present a simple and generic technique for improving test suite performance (almost five-fold in my case) without touching the code base at all.