Menu
Alexandre Calaça's Blog
Alexandre Calaça's Blog
Home
All topics
Badges
Archive (16)
Error: RVM is not a function, selecting rubies with 'rvm use ...' will not work on Kubuntu
Mar 24, 2022
·
Alexandre Calaça
In Ruby, why does my division return an integer instead of a decimal value?
Feb 5, 2022
·
Alexandre Calaça
How to convert a string to lowercase in Ruby?
Feb 1, 2022
·
Alexandre Calaça
What are predicate methods? How to identify them in Ruby?
Jan 20, 2022
·
Alexandre Calaça
How to check the version of Ubuntu or any other Linux distribution using the command line?
Jan 14, 2022
·
Alexandre Calaça
5 effective ways to add items to arrays in Ruby
Jan 5, 2022
·
Alexandre Calaça
In Ruby, How to get the number of elements in an array?
Jan 2, 2022
·
Alexandre Calaça
Learning how to use the magnitude method in Ruby
Mar 24, 2021
·
Alexandre Calaça
In Ruby: is_a?, kind_of? and instance_of? What's the difference?
Mar 9, 2021
·
Alexandre Calaça
How to install Anydesk (remote desktop software) on Ubuntu
Feb 22, 2021
·
Alexandre Calaça
How to remove duplicate values from an array in Ruby?
Feb 8, 2021
·
Alexandre Calaça
4 ways to determine whether a value is a number or not in Ruby
Jan 20, 2021
·
Alexandre Calaça
How to calculate the square root of a number in Ruby?
Jan 4, 2021
·
Alexandre Calaça
How do you know if a method is available to an object?
Feb 24, 2020
·
Alexandre Calaça
Using a ruby method to return the absolute value of a number
Feb 7, 2020
·
Alexandre Calaça
How to check if an object is present in an array in Ruby?
Jan 4, 2020
·
Alexandre Calaça
