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Alexandre Calaça

@alexandrecalaca

Joined Dec 12, 2021

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Recent Activity

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

In 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?

Jan 14

Wrote an article

How to check the version of Ubuntu or any other Linux distribution using the command line?

Wrote an article

4 ways to determine whether a value is a number or not in Ruby

Jan 13

Wrote an article

How to install Anydesk (remote desktop software) on Ubuntu