Ruby on Rails Essentials

Uplatz provides this end-to-end course on Ruby on Rails Essentials. It is a self-paced course with recorded video lectures, and you will be awarded a Course Completion Certificate at the end of the course.

Ruby is a dynamic, open-source programming language with a focus on simplicity and productivity. It was created by Yukihiro "Matz" Matsumoto in the mid-1990s, who aimed to design a language that made programming fun and allowed developers to write elegant code. Ruby’s philosophy is often summarized by the phrase "developer happiness," emphasizing human-centric design and ease of use. This makes it an excellent choice for beginners and experienced developers alike, as it reduces boilerplate code and allows for rapid development.

One of Ruby's distinguishing features is its elegant and highly readable syntax. It draws inspiration from languages like Smalltalk, Perl, and Lisp, resulting in a clean and expressive style. This readability is a major factor in its popularity, as it makes code easier to understand, write, and maintain. Ruby is a pure object-oriented language, meaning that everything in Ruby is an object, including numbers, strings, and even classes themselves. This consistent object-oriented approach promotes modularity and reusability in code.

Ruby is an interpreted language, which means code is executed directly without a separate compilation step. While this can sometimes lead to slightly slower execution compared to compiled languages, Ruby's emphasis on developer speed and productivity often outweighs this trade-off, especially for web development. The language also features dynamic typing, where type checks are performed at runtime rather than compile time, offering flexibility but also requiring careful testing.

Key features and philosophies of Ruby include:

• Object-Oriented Everything: As mentioned, every value in Ruby is an object. This unified object model simplifies programming and allows for powerful meta-programming capabilities.
• Dynamic and Flexible: Ruby is a dynamically typed language, allowing for greater flexibility during development. You can modify classes and objects at runtime, which is powerful for creating expressive and adaptive code.
• Concise and Expressive Syntax: Ruby's syntax is designed to be readable and concise, often allowing developers to achieve a lot with fewer lines of code compared to other languages. This brevity contributes to faster development cycles.
• Duck Typing: Ruby embraces "duck typing," a concept where the validity of an object is determined by the methods it can perform, rather than its explicit type. This promotes flexibility and reduces the need for complex inheritance hierarchies.
• Mixins (Modules): Instead of multiple inheritance, Ruby uses modules as "mixins" to share functionality between classes. This prevents the complexities of multiple inheritance while still allowing code reuse.
• Blocks, Procs, and Lambdas: These are powerful features for handling closures and passing around executable code, enabling functional programming paradigms within Ruby. They are extensively used in Ruby on Rails for elegant DSLs (Domain Specific Languages).
• Automatic Garbage Collection: Ruby automatically manages memory through garbage collection, relieving developers from manual memory allocation and deallocation, which helps prevent memory leaks and makes development more straightforward.
• Built-in Standard Library: Ruby comes with a comprehensive standard library that provides a wide range of functionalities, from file I/O and networking to XML parsing and mathematical operations.
• Large and Active Community: Ruby has a vibrant and supportive community that contributes to its growth, develops gems (libraries), and provides extensive documentation and support.

While Ruby can be used for various purposes, from scripting to data analysis, its most prominent application is in web development, largely due to the Ruby on Rails framework. Rails is a full-stack web application framework that follows the Model-View-Controller (MVC) architectural pattern. It heavily emphasizes conventions over configuration, meaning that if you follow certain naming conventions and structures, you can achieve significant functionality with minimal code. This principle, along with "Don't Repeat Yourself" (DRY), makes Rails incredibly productive.

Learning Ruby, especially in conjunction with Ruby on Rails, opens up numerous opportunities in web development. It allows you to build robust, scalable, and maintainable web applications efficiently, from simple blogs to complex e-commerce platforms and social networks.

Uplatz Certificate of Completion

Digital certificate - Included

Ruby on Rails Essentials - Course Syllabus

This comprehensive course will guide you through the fundamentals of Ruby programming and its application in building dynamic web applications using the Ruby on Rails framework.

1. Introduction to Ruby and Development Environment
• What is Ruby?
• Setting up your development environment (Ruby, Bundler, Rails, Git).
• Introduction to the command line.
2. Ruby Basics
• Variables, data types (Numbers, Strings, Booleans).
• Operators (arithmetic, comparison, logical).
• Input and Output.
3. Control Flow in Ruby
• Conditional statements (if, else, elsif, unless, case).
• Loops (while, until, for, each, loop, times).
4. Ruby Methods (Functions)
• Defining and calling methods.
• Method parameters and return values.
• Scope of variables.
5. Ruby Collections
• Arrays: Creating, accessing, and manipulating arrays.
• Hashes: Key-value pairs, adding/removing elements.
• Ranges.
6. Object-Oriented Programming (OOP) in Ruby
• Classes and Objects.
• Instance variables, class variables, global variables.
• Methods (instance and class methods).
• Initialization (initialize method).
• Inheritance and Polymorphism.
• Access modifiers (public, private, protected).
7. Modules and Mixins
• Understanding modules.
• Using modules as mixins for code reuse.
8. Blocks, Procs, and Lambdas
• Understanding and using blocks.
• Creating and using Procs and Lambdas.
9. Error Handling in Ruby
• begin, rescue, else, ensure, raise.
10. Regular Expressions
• Introduction to regular expressions in Ruby.
11. File I/O
• Reading from and writing to files.
12. Introduction to Ruby on Rails
• What is Rails?
• MVC architecture (Model-View-Controller).
• Convention over Configuration and DRY principles.
• Setting up a new Rails application.
13. Rails Models and Databases
• Active Record: Interacting with databases.
• Migrations: Managing database schema changes.
• Associations (one-to-one, one-to-many, many-to-many).
14. Rails Views and ERB
• HTML, CSS, JavaScript in Rails.
• Embedded Ruby (ERB) templating.
• Layouts and Partials.
15. Rails Controllers and Routing
• Defining routes.
• Controller actions.
• Handling HTTP requests and responses.
16. Forms in Rails
• Creating forms with form_for and form_with.
• Handling form submissions and validations.
17. User Authentication and Authorization (Basic)
• Implementing simple user sign-up and login.
• Introduction to gems like Devise for authentication.
18. Testing in Rails
• Introduction to RSpec or MiniTest.
• Writing unit and integration tests.
19. Deployment (Introduction)
• Basic concepts of deploying a Rails application.
• Using platforms like Heroku.
20. Advanced Rails Topics (Introduction)
• Action Mailer (sending emails).
• Action Cable (WebSockets).
• Rails APIs.
21. Building a Complete Web Application Project
• Guided project to apply all learned concepts.
22. Preparing for Ruby/Rails Developer Interviews
• Common interview questions and practical exercises.

• Beginners in Programming: Individuals with little to no prior programming experience who want to learn web development from scratch using a beginner-friendly language (Ruby) and a powerful framework (Rails).
• Aspiring Web Developers: People who want to build dynamic, data-driven web applications efficiently.
• Experienced Developers Exploring Ruby/Rails: Programmers familiar with other languages (e.g., JavaScript, Java, Python, or Swift) who want to expand their skill set and learn Ruby and Rails for web development.
• Entrepreneurs and Startups: Founders or small business owners who want to quickly prototype and build their web applications.
• Students and Hobbyists: Students studying computer science or related fields who want to add web development to their skill set. Hobbyists interested in creating personal websites or experimenting with web application development.
• Freelancers: Developers looking to offer Ruby on Rails web development services to clients and expand their freelance opportunities.
• Professionals Transitioning Careers: Individuals from non-technical backgrounds who want to transition into tech and start a career in web development.

• A computer (Windows, macOS, or Linux).
• An internet connection.
• Passion and zeal to learn and succeed!

• Ruby Developer
• Ruby on Rails Developer
• Web Developer (Ruby/Rails focus)
• Back-End Developer
• Full-Stack Developer (with Ruby/Rails skills)
• Software Engineer
• Junior/Mid/Senior Rails Developer
• Web Application Developer
• API Developer

Currently there are no Q&As for this course. Be the first to ask a question.