Builder Pattern in Ruby
In the next tutorial, we are going to teach you everything about how to implement the Builder Pattern in Ruby.
The builder pattern is excellent for creating complex objects and can be helpful in Ruby.
It's not always the best choice, and you should consider other options like the Factory Method or Prototype patterns.
But…
Adapter Pattern in Ruby
In this tutorial we are going to learn how to implement the adapter pattern in Ruby.
The adapter pattern is a way to adapters that act as translators between two incompatible interfaces.
You can use it to make unrelated classes work together. This is useful when you want to integrate 3rd party code or…
Emails in Rails
If you want to send emails in Rails, you can use the Mailer class.
The Mailer class is a wrapper around the Action Mailer gem.
Here's a simple example:
class UserMailer < ApplicationMailer
def welcome_email(user)
@user = user
mail(to: @user.email, subject: 'Welcome to My Awesome Site')
end
end
You can…
Redis in Rails
Let's check how to implement Redis in Rails. Redis is a fast, open-source, key-value database. It's perfect for storing things like session data, cached database queries, and other bits of information that need to be accessed quickly.
There are a few different Ruby libraries that you can use to connect to a Redis server.…
WebSockets in Rails
In this tutorial we will learn how to implement WebSockets in Rails. WebSocket is a communication protocol that makes it possible to create real-time applications.
The WebSocket protocol was designed to work on top of the existing HTTP protocol, and it enables full-duplex (two-way) communication between a client and a server.
The…
Require in Ruby
Require in Ruby is a top-level method that loads other files and libraries into your project.
It's a popular method because it gives you access to the many existing Ruby libraries, making development much faster.
require "some_file.rb"
You usually put the stuff you require at the top of your file, but that's not required.
Putting a slash…
Dynamic Routes in Rails
With dynamic routes in Rails, you can specify placeholder values in your routes that will be filled in by the parameters passed to your controller actions.
For example, let's say you have a controller action that displays a user's profile page. The profile page will have the user's name, email, and other information.
To…
Concerns in Rails
This article will teach you how to use concerns in Rails with a few small examples.
Concerns are a great way to organize related functionality in your Ruby classes. With concerns, you can:
Keep your classes small & focused.
Avoid duplicate code.
Share code between classes.
Concerns are usually used to extract…
Rake tasks in Ruby
This tutorial will teach us how to create Rake tasks in Ruby.
Rake is a build tool written in Ruby.
It's similar to Make but much simpler and has a much smaller learning curve.
How to install Rake
If you are using RubyGems, you can install Rake using this command:
gem install rake
Once the installation is…
Serializers in Rails
In this article, you will learn how to use Serializers in Rails.
Suppose you are working on a Ruby project that communicates with other systems (like a web API). In that case, you may find yourself in a situation where you need to serialize and deserialize objects to and from JSON (or XML) format.
This…