RSpec has become a popular choice as a testing framework for Ruby. Let us learn how to make unit tests and use a test-driven development approach to implement a program to calculate the factorial of a number.
When you need to perform repeated actions, over and over again, making a programming loop is often the preferred approach. This article will consider the traditional "for" loop, the one derived from the C programming language.
Doing repetitive tasks can be accomplished with a programming loop. This article will cover the while and do-while loops. They appear in many different programming languages and often follow the same construct.