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Alexandre Calaça

Member Since Dec, 2021

Writes at

Alexandre Calaça's Blog

Alexandre Calaça's Blog

blog.alexandrecalaca.com

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Recent Activity

Aug 25

Wrote an article

Rails: uninitialized constant #<Class:0x00007f616c033c50>::FriendlyId error message

Jul 27

Wrote an article

Rails: NameError (uninitialized constant UserSerializer) error message

Jul 5

Wrote an article

Ruby: How to convert a string to uppercase?

Mar 24

Wrote an article

Error: RVM is not a function, selecting rubies with 'rvm use ...' will not work on Kubuntu

Feb 5

Wrote an article

Ruby: Why does my division return an integer instead of a decimal value?

Feb 1

Wrote an article

How to convert a string to lowercase in Ruby?

Jan 20

Wrote an article

What are predicate methods? How to identify them in Ruby?

Jan 17

Wrote an article

How do you know if a method is available to an object?

Jan 16

Wrote an article

Learning how to use the magnitude method in Ruby

Jan 15

Wrote an article

In Ruby: is_a?, kind_of? and instance_of? What's the difference?