Alexandre Calaça
Alexandre Calaça's Blog

Alexandre Calaça's Blog

Alexandre Calaça

Alexandre Calaça


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

GitHub: Email: soon

Subscribe to my newsletter and never miss my upcoming articles

Rails: NameError (uninitialized constant UserSerializer) error message

Jul 27, 20222 min read

How to solve fast_jsonapi serializer error? · Introduction The fast_jsonapi is a a lightning fast JSON:API serializer for Ruby Objects. Its github page...

Ruby: How to convert a string to uppercase?
Error: RVM is not a function, selecting rubies with 'rvm use ...' will not work on Kubuntu
Ruby: Why does my division return an integer instead of a decimal value?
How to convert a string to lowercase in Ruby?
What are predicate methods? How to identify them in Ruby?