Introducing Deimos: Using Kafka as the Data Backbone for your Architecture

This link is a bit old now, but honestly I didn’t originally know where to post it so people would see. :) Deimos has been heavily used at Flipp for enabling a number of Kafka-powered microservices and we’ve continually been adding features to it (including better batch processing, pluggable schema adapters and a poller feature similar to Kafka Connect). Read more

Sharing Code with Ruby and Rails

Ruby and Rails provide many ways to share code between objects. If you’re new to Ruby or Rails, or don’t work in them often, it can be hard to remember what each one does. Despite this, each of these tools serves a different purpose in a Ruby system’s architecture; understanding when to choose one over another can make your code more readable and maintainable. Read more

System of a test: Proper browser testing in Ruby on Rails

An ultimate Ruby on Rails browser testing setup for 2020. Vladimir Dementyev from Evil Martians, author of AnyCable, TestProf, and Action Policy, distills years of testing experience into this easy-to-adopt practical guide.

Value objects - a complete guide to Ruby code that is testable, readable and simple

Egis - a handy interface for AWS Athena

https://github.com/u2i/egis Read more

Rails 6.1 adds support for where with a comparison operator

PostgreSQL: ENUM is no Silver Bullet

How to control the enqueuing speed of Sidekiq jobs and their concurrency

How to control the enqueuing speed of Sidekiq jobs and their concurrency using Redis and BLPOP

EBNF 2.1.0 now supports ABNF and ISO/IEC 14977

Release 2.1.0 of the EBNF gem now parses W3C EBNF, ISO/IEC 14977 EBNF, and IETF ABNF grammars. This can be used to validate and format grammars expressed in these notations, perform limited transliterations between formats, and generate PEG/Packrat and LL(1) parsers. Read more

Using Action Mailbox in Rails 6 to Receive Mail

A “mostly real-life” tutorial on using ActionMailbox to receive and parse incoming mail. Read more

Two Factor Authentication using Devise gem in Rails 6 Application

Ruby on Rails application can allow users to login using a mobile number through the devise RubyGem. -

Class instantiation behind the scene

In the Object-Oriented Programming (OOP) paradigm, a class is a blueprint when an object is the in-memory representation of this blueprint.

Pragmatic Rails Testing

I’ve been writing tests for Rails apps for over 5 years. I’ve come to a conclusion that well-written test suite makes developer more productive in the long term. The idea is to strike an optimal balance between not testing at all and writing zillions of tests. But where is this sweet spot? Read more

Joining array elements without using Array#join

rubycademy.com/joining-array-elements-without-array-join

API-only ruby on rails course, building instapaper clone

I started to publish API-only ruby on rails course on duetcode.io. In this course, we will build a functional clone of Instapaper from scratch. The course targets the developers already familiar with rails tech stack and it also has a written format. It’s an ongoing course, and I’m planning to share new chapters weekly basis, today I posted the fourth chapter of the course. Let me know if you have any feedback about the course or the website in general.

How to Use Sidekiq in Rails 6

A deep dive into the Rails engineer’s favourite background-processing system Read more

🛍 Keep up with the Solidus community by reading "Roadmap Update"✨

🛣 “Roadmap Update” is a wonderfully written newsletter that will provide you with monthly updates on Solidus and its wide ecosystem. Read more

Redis in Ruby, An online book about building your own Redis

Redis in Ruby is a work in progress online book (3 chapters currently available) about building your own Redis, in Ruby, and learn a bunch of things along the way, tcp, sockets, syscalls, threads, processes, hashing algorithms we’ll touch on these and more. Read more

Scaling Queue Workers Efficiently with AppSignal Metrics

Let’s use some simple math and performance data to find our optimal worker count, based on the work waiting in the queue. Read more

Using AWS with Ruby in 2007

This one is a bit of a treat. Normally I capture blog posts, articles, releases or talks. But this week I’ve found an AWS-with-Ruby tutorial archived from the AWS site this week in 2007!

Ruby on Rails vs Python: What’s The Difference?

Ruby on Rails development or Python, what sets them apart from each other? Knowing the difference can make a difference in your programming. While both have their strengths, a careful analysis can help you select the one most appropriate for your development needs.

End-to-End Encryption in Rails with Stimulus and OpenPGP.js

Ever wondered how to implement end-to-end encryption in a server-side-rendered app? In this post, I explain how we did it in a production app and give an example for a user-to-user messaging system that encrypts and decrypts messages on the client via Stimulus and OpenPGP.

Rails and JavaScript, parts 2 and 3

My series of posts on the history of Rails and JavaScript continues with part 2 covering CoffeeScript, Sprockets and Turbolinks and part 3 covering Webpacker and Stimulus.

Pagination and Scroll Restoration with Turbolinks

Two weeks ago, it was all the rage to point to missing HEY features as slam-dunk arguments for your-SPA-framework-of-choice. One of those was restoring your place in your imbox after opening an email. Here’s a look at how we might do it.

Anonymous Struct Literals Might Be Coming To Ruby

There’s a neat proposal to add anonymous Struct literals to Ruby! I wrote an article summarizing the proposal and why it’s great. Check it out here!