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Create command line application with Ruby available via Homebrew

April 3, 2023
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 |  Ruby on Rails

Building command-line application Our goal is to build a get_joke application that will render a random joke about Chuck Norris. The command […]

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Building DSL with Ruby

April 2, 2023
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 |  Ruby on Rails

DSL’s around youBefore diving into the technical aspects of building DSL in Ruby, let’s explore more examples for domain-specific languages […]

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How Sidekiq really works

March 31, 2023
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 |  Ruby on Rails

Let’s just begin with something that every Rails developer that is using Sidekiq is familiarized with – a simple worker: […]

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RSpec command line

March 25, 2023
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 |  Ruby on Rails

Given we have the following Person class: class Persondef initialize(age:)@age = ageend def [email protected] > 17endendAnd equally simple test in […]

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Inside Gemfile – intense dive in

March 25, 2023
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 |  Ruby on Rails

Gemfile is a well-known file even for not experienced Ruby developers. While for most people, it’s evident that the purpose […]

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Super keyword in Ruby

March 22, 2023
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 |  Ruby on Rails

Brackets versus non-brackets version I usually ask the following question during the technical interview for the Ruby developers: what is […]

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Introduction to RSpec

February 24, 2023
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 |  Ruby on Rails

RSpec installation RSpec is available as a gem, but it’s a meta-gem, which means that it depends on other gems. […]

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Counting things in Active Record

February 2, 2023
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 |  Ruby on Rails

The count method Ruby implements its own count method, which counts the number of elements in the given array. However, ActiveRecord::Relation class implements its own implementation […]

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The magic behind popular Ruby code

January 29, 2023
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 |  Ruby on Rails

The config-way of setting variables You can see this code in almost every Ruby gem that utilizes initializers to set […]

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The Sidekiq job flow

January 15, 2023
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 |  Ruby on Rails

At first sight, it seems that the way Sidekiq jobs work is straightforward, but the truth is that the whole […]

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