Ruby On Rails

Tutorials

The hidden cost of the invisible queries in Rails

The hidden cost of the invisible queries in Rails Ruby on Rails is awesome, it is really awesome. It allows us to create web applications without knowing every involved technology. After all, Rails is optimized for programmers happiness and it does a terrific job.One of those technologies where R...

Integrating DynamoDB with Ruby on Rails Application

Integrating DynamoDB with Ruby on Rails Application A typical Ruby on Rails application comes with ActiveRecord, which makes using RDBMS (such as MySQL, PostgreSQL etc) cake walk. There are times, when we want to leverage power of NoSQL with our Rails application. There are many NoSQL database avai...

Fixing Unicode for Ruby Developers

Fixing Unicode for Ruby Developers We already know how Unicode works under the hood. In this final part, we’ll learn the theory and practice of handling Unicode properly.

Fighting the Hydra of N 1 queries

Fighting the Hydra of N 1 queries Let’s talk about the N 1 problem in Rails. We will go through a short intro for beginners, speak of the ways to tame the problem (specifically, using the bullet gem), ActiveSupport instrumentation, and introduce the rspec-sqlimit gem.

Testing a Feature with Rails and RSpec: A deep dive

Testing a Feature with Rails and RSpec: A deep dive Testing your code is important. We all as Rubyists know this, we hear about testing all the time. Fast tests, slow tests, it's everywhere in the Ruby community. However for all the talk of testing something that seems to be a recurring theme for d...

Writing a Hypermedia API client in Ruby

Writing a Hypermedia API client in Ruby Much ink and pixels have been spent discussing the virtues and flaws of Hypermedia for API design. Like with REST, the sheer amount of theory and jargon around the subject can make it hard to understand the potential benefits for you as an API dev...

What About Warmup?

What About Warmup? When benchmarking your application, warmup iterations are a really good idea. Specifically: if you're running something a lot of times to figure out how fast it goes, start by running a bunch of "throwaway" iterations first.

Facade Pattern as the way to implement Aggregate

Facade Pattern as the way to implement Aggregate Hi guys. Today I would like to discuss Facade Pattern and a little bit of Domain-Driven Design. I will start from description of Facade Pattern and show how it can help us to implement Aggregate - one of the main concepts of DDD.

Flag arguments are a code smell

Flag arguments are a code smell A flag argument is a boolean which causes the method to behave differently. It’s an indicator that the code is exercising multiple scenarios based on an external factor. A piece of code on a higher level decides with path to take through a lower l...

Step 1 - Setup VPC: Deploying a Rails Application to Elastic Beanstalk

Step 1 - Setup VPC: Deploying a Rails Application to Elastic Beanstalk This is the first in a series of blog posts that describe how to deploy a Rails application to Elastic Beanstalk in a Virtual Private Cloud (VPC) on Amazon AWS.

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