Ruby On Rails

Tutorials

How to Build a Ruby SlackBot

How to Build a Ruby SlackBot Why a Slack bot? Well, like it or not, a developer’s work has a great deal of team communication and Slack is a great platform for it. Let’s face it, we spend some time in it and it’s a great place to have a bot! Also, this platform has become mor...

Rails 5.1 does not share thread_mattr_accessor variable with subclass

Rails 5.1 does not share thread_mattr_accessor variable with subclass Rails 5.0 provides mattr_accessor to define class level variables on a per thread basis.However, the variable was getting shared with child classes as well. That meant when a child class changed value of the variable, then its effect was seen in t...

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.

Get in Touch

Ruby On Rails Bosnia

[email protected]

[16172, 10673, 7370, 4991, 4493, 12193, 23941]