Ce cours fait partie de la Spécialisation Ruby on Rails Web Development
Ruby on Rails: An Introduction
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À propos de ce cours
4.5
1,564 notes
Did you ever want to build a web application? Perhaps you even started down that path in a language like Java or C#, when you realized that there was so much “climbing the mountain” that you had to do? Maybe you have heard about web services being all the rage, but thought they were too complicated to integrate into your web application. Or maybe you wondered how deploying web applications to the cloud works, but there was too much to set up just to get going.
In this course, we will explore how to build web applications with the Ruby on Rails web application framework, which is geared towards rapid prototyping. Yes, that means building quickly! At the conclusion of this course, you will be able to build a meaningful web application and deploy it to the “cloud” using a Heroku PaaS (Platform as a Service). Best of all, it will almost feel effortless… Really!
“But wait”, you will say, “there is no way that we can build a useful application if there is no database involved. You need the data for an application to be useful.” Great point! But what if… instead of getting the data from the database, we get it from the internet by tapping into one of the web services out there that readily provides data needed by our application? “Ok, but that’s probably very complicated”, you will say. Take this course and you will be pleasantly surprised at just how easy it is!
Compétences que vous acquerrez
Ruby (Programming Language)Ruby On RailsHeroku
Programme du cours : ce que vous apprendrez dans ce cours
1
Section
Welcome and Setting Up the Development Environment
In this module, we will install software required to develop Ruby on Rails applications. We will also demonstrate the use of a popular Ruby on Rails editor called “Sublime Text”. We will finish the module by familiarizing ourselves with a version control system called “Git” that will be used later in the course to submit assignments, as well as to deploy Ruby on Rails applications to a PaaS (platform as a service) called “Heroku”.
9 vidéos (Total 101 min), 3 lectures, 2 quiz
9 vidéos
Course Introduction8 min
Welcome to Module 1: Setting Up the Development Environment3 min
Software Installation For Linux Users22 min
Software Installation for Mac Users17 min
Software Installation for Windows Users11 min
Editors & IDEs for Ruby on Rails12 min
Introduction to Git6 min
Local Git Repository10 min
Remote Repos and Github7 min
3 lectures
Grading10 min
Github Repository for Module 110 min
Recommended Books10 min
2 exercices pour s'entraîner
Introduction to Git4 min
Module 1 Quiz24 min
2
Section
Introduction to Ruby
In this module, we will explore the different areas of the Ruby programming language.<p>We will start with the basics and continue with more advanced topics, such as arrays and hashes. We will also spend time exploring object oriented programming in Ruby, and finish the module by demonstrating how to perform unit testing.</p>
18 vidéos (Total 151 min), 5 lectures, 1 quiz
18 vidéos
Ruby Basics8 min
Flow of Control10 min
Functions8 min
Blocks5 min
Files6 min
Strings10 min
Arrays10 min
Ranges5 min
Hashes12 min
Classes13 min
Class Inheritance8 min
Modules9 min
Scope9 min
Access Control7 min
Introduction to Unit Testing9 min
Introduction to RSpec8 min
RSpec Matchers4 min
5 lectures
GitHub Repository for Module 210 min
Recommended Books10 min
Practice Programming Assignment - Case Statement10 min
Practice Programming Assignment: Collections10 min
Practice Programming Assignment: Classes10 min
3
Section
Introduction to Ruby on Rails
In this module, we will become familiar with core concepts behind Ruby on Rails, such as CoC (Convention Over Configuration) and MVC (Model-View-Controller). <p>We will then learn about consuming JSON API with HTTParty, a Ruby gem. We will then integrate this ability to consume JSON API to serve as the data layer for our Rails application.</p>Finally, to conclude this module we will deploy the application to Heroku and write a unit test that will verify the desired functionality.
14 vidéos (Total 115 min), 4 lectures, 1 quiz
14 vidéos
Introduction to Rails7 min
Creating your First Application12 min
Controller and View7 min
Routes7 min
Moving Business Logic Out of View6 min
Helpers7 min
Introduction to HTTParty15 min
Bundler6 min
Rails & HTTParty Integration6 min
CSS, Parameters & Root Path8 min
Deploying to Heroku6 min
Blackbox Testing10 min
Debugging Rails Applications9 min
4 lectures
Github Repository for Module 310 min
Recommended Books10 min
IMPORTANT UPDATE10 min
Practice Programming Assignment: HTTP Client10 min
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Meilleurs avis
par HM•Oct 1st 2017
I have played around with Ruby on Rails before but this course really helped me understand the nots and bolts. It is worth replicating all the examples shown in the videos to get a good understanding,
par MB•May 2nd 2016
Good intro, nice to mix in the various concepts that I will be working with as well (Heroku, Git, etc.). Also appreciated the Java comparisons since I have been working in Java for 15 years.
Enseignants
Kalman Hazins
Adjunct Professor, Graduate Computer ScienceWhiting School of Engineering
À propos de Johns Hopkins University
The mission of The Johns Hopkins University is to educate its students and cultivate their capacity for life-long learning, to foster independent and original research, and to bring the benefits of discovery to the world.
À propos de la Spécialisation Ruby on Rails Web Development
This Specialization covers the fundamentals of web development with Ruby on Rails. You’ll learn everything you need to develop your own web application using Ruby on Rails, SQL and NoSQL databases, and HTML/CSS, and Javascript. We will also touch on advanced topics such as security, services using HTTP/RESTful access patterns, and user access and user experience from multiple device platforms. In the final Capstone Project, you’ll apply your skills to develop a web application that hosts uploaded photos and displays them using a map.
Foire Aux Questions
When will I have access to the lectures and assignments?
Once you enroll for a Certificate, you’ll have access to all videos, quizzes, and programming assignments (if applicable). Peer review assignments can only be submitted and reviewed once your session has begun. If you choose to explore the course without purchasing, you may not be able to access certain assignments.
What will I get if I subscribe to this Specialization?
When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work. Your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile. If you only want to read and view the course content, you can audit the course for free.
What is the refund policy?
Is financial aid available?
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