Learn and watch a video about how Facebook Infer static analysis will detect loop invariants, with an example of how to correct this issue.

We covered how to create multiline strings in the Ruby programming language, but what about if you're using Python? Well in Python there are two ways to create a multiline string. Triple Quotes for a Multiline Python String You can use a triple quote or triple double-quote to

There are four methods for checking equality of objects in the Ruby programming language: * === used for case comparison * == used for equality of objects * eql? used for determining object identity * equal used for comparing the hash key of two objects Case Equality with === The === method is used for checking the case

Multiline strings in Ruby are easy to use with the HEREDOC syntax or the percent string syntax. Create multiple line strings with heredoc.

There are a few different ways to create private class methods in the Ruby programming language. First let's see how we can create a class method in Ruby: class BlogPost attr_accessor :title, :description def initialize(title, description) @title = title @description = description class.add_post(self) end @@posts