ruby programming Archives - Education Ecosystem Blog

Learn Ruby - How To Check Whether a String Contains a Substring

September 9, 2016

The String class in Ruby comes with several built-in search methods of values within a String, but there is none with a straight name as “contains” or “search” that would express the ability to…

E-Learning

Learn Ruby - How To Get a Random Number

September 3, 2016

Ruby has a creator of random numbers (or aleatory) already integrated into its code, which is the method rand. Since version

E-Learning

Learn Ruby - The Best Way to Generate a Random String

September 3, 2016

Whenever you think of the best way to do something, there are different opinions on the subject. Best in what terms? Security, speed, flexibility, code simplicity, and so on. We hope you will contribute…

E-Learning

Learn Ruby - How To Convert a String to Lower or Uppercase?

August 26, 2016

In Ruby, a String contains and manipulates an arbitrary sequence of bytes, typically representing characters. When you want to change the contents of a String in Ruby, it should be noted that methods with…

E-Learning

Learn Ruby - How To Check if A Value Exists in An Array?

August 26, 2016

In Ruby, as in other programming languages, an array is a list of items with an order within your code. Each item has its position in this list and acts as a variable: you…

E-Learning

Learn Ruby - How to Write a Switch Statement?

August 24, 2016

In programming languages, a “switch statement” is a type of control mechanism used to check if the value of a variable or expression exists and what the program should do from that point. In…

ruby programming

Learn Ruby - How To Check Whether a String Contains a Substring

Learn Ruby - How To Get a Random Number

Learn Ruby - The Best Way to Generate a Random String

Learn Ruby - How To Convert a String to Lower or Uppercase?

Learn Ruby - How To Check if A Value Exists in An Array?

Learn Ruby - How to Write a Switch Statement?

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