ruby
Ruby multiline String
We will explore multiple scenarios where the display of a simple String in Ruby on multiple lines could be useful.
Posted November 7, 2022 - tagged ruby
3 min read
Ruby ternary operator
Many languages have a ternary operator, including Ruby. The goal is to reduce the size of the code by displaying a one-line condition. Let's see how.
Posted October 24, 2022 - tagged ruby
3 min read
Ruby Substring
Ruby is an elegant and dynamic language. Today a simple topic about how to extract a Substring from an existing String in Ruby.
Posted October 10, 2022 - tagged ruby
4 min read
Ruby loops overview
Understanding loops and how they work will help you write robust and efficient applications and interfaces.
Posted August 29, 2022 - tagged ruby
5 min read
How to handle Ruby exceptions
Ruby developers can identify probable errors and handle them so that the application does not break. This is what we call exception handling.
Posted August 22, 2022 - tagged ruby
6 min read
Ruby Enumerable Module
The enumerable module is one of the most important modules in Ruby, it includes a wide range of methods that help us to interact with collections of data.
Posted July 4, 2022 - tagged ruby
6 min read
Ruby inheritance
Inheritance in Ruby and Ruby-on-Rails is a key element that has a great potential to develop robust interfaces. Inheritance is a concept which is directly related with Object Oriented Programming (OOP).
Posted June 27, 2022 - tagged ruby
5 min read
How to define and use a Ruby hash
A Ruby hash is a way to store and structure data. Let's see how to define a hash and how to use it. And the main methods and operations, through examples.
Posted June 2, 2022 - tagged ruby
6 min read
Ruby pattern matching
If you are not familiar with the pattern matching feature in Ruby, this article is a good recap of the basics and it also includes some useful tips for developers.
Posted May 19, 2022 - tagged ruby
Last update : April 19, 2022 5 min read
Ruby, the self keyword
In this article we will explore the self keyword of the Ruby language
Posted May 12, 2022 - tagged ruby
6 min read
How to get a random number in Ruby
Let's see how to get a random number in Ruby
Posted May 5, 2022 - tagged ruby
2 min read
Ruby block, procs and lambda
With the Ruby language, block, procs, and lambda are some different ways to use anonymous functions.
Posted April 28, 2022 - tagged ruby
6 min read
Ruby - attr_accessor, attr_writer, and attr_reader
In Ruby, object methods are public by default, while data is private. To access data, we use the accessor method.
Posted February 24, 2022 - tagged ruby
6 min read
Ruby constants
How to define constants in Ruby, and how to use them - with one tricky part.
Posted February 10, 2022 - tagged ruby
3 min read
Ruby regex, a friendly guide
Ruby regexes are not so easy to grab. We tried to make this little tutorial as simple as possible.
Posted February 3, 2022 - tagged ruby
Last update : June 20, 2022 7 min read
Milliseconds in Ruby
How to get milliseconds in Ruby ? Let's explore 3 scenarii.
Posted January 27, 2022 - tagged ruby
2 min read
Ruby, map with index
There's always a tiny doubt about how to "map with index" when using Ruby. Let's see how, and we're also going back to basics of Ruby map in this article.
Posted January 20, 2022 - tagged ruby
Last update : January 20, 2021 6 min read
Ruby strftime, short and long story
"strftime" stands for "string from time". Which means "please Ruby format the time into a human-friendly format". Let's see how.
Posted January 13, 2022 - tagged ruby
Last update : January 13, 2021 9 min read
Ruby Enumerator : the what, the why, the how
If you're on the path to learning Ruby then you might have heard of this thing called an 'Enumerator'. As scary as it sounds, Enumerators are actually your friends and will be helping you a lot on your journey to becoming a Ruby *aficionado*. Since they are so important, let's quickly get you up and running within this lesson. We will be going over the what, the why, and the how of Enumeration.
Posted January 6, 2022 - tagged ruby
Last update : March 11, 2022 7 min read
Ruby : The 'unless' keyword
You are probably familiar with the 'if else' control flow but there are certain situations where there may be a visually better way to write these statements. Here we will discuss how you can achieve this via the 'unless' keyword in Ruby and the different ways you can use it.
Posted June 18, 2021 - tagged ruby
3 min read
How to write a switch statement in Ruby
In Ruby, the classic 'switch statement' is possible with the *case/when* keywords. Whenever if statements become too long and start looking messy you might want to consider using the case statement to write cleaner code.
Posted April 27, 2021 - tagged ruby
4 min read
Ruby private method : a hack
A tiny hack about how to declare and use private method in Ruby.
Posted April 13, 2021 - tagged ruby
4 min read
Check emptiness in Ruby : nil? vs blank? vs empty? vs presence?
More often than not, you have to check if an object is empty or not, to avoid the famous *NullPointerException* - which is a *NoMethodError* in Ruby.
Posted March 30, 2021 - tagged ruby
7 min read