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Today, we will learn about boolean and nil values in Ruby on Rails. Lets start with what these are. What is a boolean? A boolean value is used to represent whether the condition or the logic is true or false. In Ruby, we have boolean objects as "tr...
Master Slave/DB replication As the name suggests, master-slave is a concept where there is one master and multiple slaves. The concept of master slave is also known as DB replication. Replication means having a copy or replicating something. So, in t...
What is Delegate Delegate by the document, which refers to a class method used to easily expose contained objects' public methods as your own. Simply, the concept of delegate is to take some methods and send them off to another object to be processed...
Synchronous Communication Synchronous communication means data or information is shared between the services in real time. When you're communicating synchronously with someone, virtually or physically, you expect a response from the person as soon as...
Use ‘each’ instead of ‘for’ for elem in [1, 2, 3, 4, 5] puts elem end [1, 2, 3, 4, 5].each { |elem| puts elem } Use ‘Case/when’ conditions instead of lengthy “if” statements puts "What is your task status?" status= gets.chomp case status when ...
1. Ruby on Rails is full-stack Ruby on Rails covers both the front end and the backend so developers can build an entire web application without relying on the other developers. You can use HTML, CSS, and JavaScript inside the Rails application, so...
Ruby and Ruby on rails are two different things. Most people often get confused on ruby and ruby on rails. Ruby is the programming language whereas Ruby on Rails(ROR) is a framework designed to work with Ruby programming language. Learning to program...
Git is the most important part for the developers. Git is the distributed version of the control system that helps developers to collaborate on projects. Why use GIT? Many developers are engaged in the same project in real life and git is one of the...