Ruby is a dynamic, reflective, object-oriented, general purpose programming language that benefits from its wide support of a number of different applications. It has a very broad spectrum of use throughout computing and has been incoporated into everything from web applications - web servers - picture recognition engines - threaded database servers - to low-level system utilities. This couse explores all the parameters of Ruby.

5 days - $2,995.00

Course taught by an expert Computer Coding Instructor.

Prerequisites:

Basic knowledge of computer coding is required.

Course Outline

Ruby Fundamentals
Ruby Data Types & Variables
String, Integer, Float, Boolean and Nil values
Properties of Ruby data types
Instance variables & Local variables
Global variables

Functions & Control Flow
Built-in functions
Creating your own functions
Passing arguments and returning values
If/Else and Unless Statements
While/Until Loops

Ruby Data Structures
Arrays: The Simplest Collections
Hashes
Enumerators
Common Iterators

Classes
Creating classes
Inheritance
Class Methods
Overriding Methods

Controllers and Views
Generating a Controller
Creating a New Rails Site for Flix
How Controller methods relate to views
Private methods
The params hash

Views
Generating and creating Views
When you don't need a View
Mapping Views to controller actions and routes
Dynamic Views
The rails routes command

Models & Forms
Models
Generating a Model
How Migration Files work
Migratiing the Database
Rolling back a migration

Rails Forms
Rails forms vs HTML forms
HTTP Overview
Rails Form Helpers
Rails forms: form_for, form_tag, and form_with
Connecting a form to a Model

Uploading Files
Installing ActiveStorage
Allowing users to upload images
Views

Creating a View
Adding Dynamic Data
Rendering a Partial

Advanced Models

Model Validations
The purpose of validations
Adding basic validations
Preventing submission of empty forms
Customizing validations
Adding Error Messages

Model Methods
Built-in Model methods
Adding methods to models

Model Relationships
has_one and belongs_to relationships
has_and_belongs_to_many: Simple Many-to-Many Relationships
has_many, through: Advanced Many-to-Many Relationships with Additional Metadata
Polymorphic Relationships

Other Important Relationships in Rails
Delegates: Sharing Methods Between Related Objects
Self-Joins: Relationships Between Instances of the Same Model

Active Record Associations
Model Relationships
Has_one and belongs_to relationships
Has_many relationships
Joining models together via the controller
Writing Simple Tests Using Fixtures
Optional Bonus: Writing Tests Using Embedded Ruby Code

Integrating Front End Code
Rails Asset Pipeline
What the Asset Pipeline does
Adding CSS
Adding JavaScript
Conditional CSS and JavaScript files

Launching an Application
Preparation
Managing Ruby environments
Locking Gem versions
Environment variables

Amazon Web Services
Setting up an AWS account
Where to store credentials
Remote Asset Storage with Amazon S3

Heroku
Heroku Account Setup
Installing Heroku Toolbelt
How Heroku works
Types of Dynos
Deploying your application