Alexandre Calaça
Alexandre Calaça's Blog

Alexandre Calaça's Blog

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Alexandre Calaça

Alexandre Calaça

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Ruby on Rails developer, English speaker and Technical writer. Topics: Ruby, Rails, Design patterns and language acquisition.

GitHub: https://github.com/alexcalaca Email: soon

Rails: How to setup rspec on Rails

Feb 2, 20231 min read

Add rspec to the Gemfile; group :development, :test do gem 'rspec-rails' end Install the dependencies bundle install Check if it was...

Rspec: Could not find generator 'rspec:install'. Maybe you meant 'assets', 'channel' or 'scaffold'

Feb 2, 20231 min read

⏹️ Introduction rspec-rails brings the RSpec testing framework to Ruby on Rails as a drop-in alternative to its default testing framework,...

Rails: How to configure NodeJS 16.x with Rails 6 on DeepinOS 20.7

Jan 2, 20232 min read

Hey guys, how have you been? Today, we are going to learn how to configure NodeJS 16.x with Rails 6 on DeepinOS 20.7. Introduction Node.js® is an...

PostgresQL: PG::ConnectionBad: FATAL: role "username" does not exist

Jan 1, 20232 min read

Hey guys, how have you been? Today, we are going to learn how to solve the following error message: PG::ConnectionBad: FATAL: role "username" does...

Ruby: While executing gem ...(Gem::InvalidSpecificationException) gem contains itself (name.gem)

Dec 22, 20222 min read

Hey guys, how's it going? Today, we are going to learn how to fix the error Gem::InvalidSpecificationException) gem contains itself...

Deepin OS: How to configure tab size on Visual Studio Code using Deepin OS 20.7?

Dec 17, 20222 min read

Hey guys, how's it going? Today, we are going to learn how to configure tab size on Visual Studio Code using Deepin OS 20.7, a Debian based...