Ruby on Rails5 Tutorial
A web-application framework that includes everything needed to create web applications.
Study
Ruby on Rails5 I
Estimated 2h
0%
Ruby on Rails is a web-application framework written in Ruby that includes everything needed to create web applications. Let's use Rails to develop a Twitter-like SNS app!
このレッスンで学べること
-
1. Getting Started
-
Getting Started
-
-
2. The Basics of Rails
-
Generating a Rails App
-
The Top Page
-
Understanding Views
-
Understanding Controllers
-
Understanding Routes
-
Changing a Route
-
The About Page
-
-
3. Completing the App
-
Adjusting the Layout
-
Displaying an Image
-
Changing the Top Page URL
-
Creating Links
-
Study
Ruby on Rails5 II
Estimated 2h30m
0%
In this lesson, we'll be adding a page to the SNS app we made in the previous lesson to show the timeline. We'll also be learning about databases along the way.
このレッスンで学べること
-
1. Displaying Posts
-
Getting Started
-
Displaying Posts
-
Using Variables in Views
-
Using the each Method in Views
-
Defining Variables in Actions
-
-
2. Using the Database
-
Preparing a Database
-
Creating a Table
-
Models
-
rails console
-
Adding Data to a Table
-
Getting Data from a Table
-
Getting Data from a Table (2)
-
Displaying the Posts
-
-
3. The Common Layout
-
Refactoring the Common Layout
-
The link_to Method
-
Study
Ruby on Rails5 III
Estimated 2h10m
0%
In this lesson, we'll be creating a page to show the details of a post. We'll also add a "New Post" page for the users to create posts.
このレッスンで学べること
-
1. Getting Started
-
Getting Started
-
-
2. Creating the Post Details Page
-
Auto-Generated Columns
-
The find_by Method
-
The Post Details Page
-
Getting the id from the URL
-
Displaying a Post in the Post Details Page
-
Adding Links to the Post Details Page
-
-
3. Creating the New Post Page
-
Creating the New Post Page
-
Adding Input Fields to Form
-
Sending and Receiving the Input Data
-
The redirect_to Method
-
Saving the Post
-
Sorting the Posts
-
Dojo
Ruby on Rails5 I
Estimated 2h
0%
This lesson will allow you to review and apply the knowledge learned in the first 3 Rails Study lessons. Perfect your skills by working out so...
このレッスンで学べること
-
1. Top Page & About Page
-
Overview
-
App Setup
-
Top Page
-
Changing the URL
-
About Page
-
The Header
-
-
2. Post Features (Posts & Posts Details Pages)
-
Making Models and Tables
-
Post Page
-
Post Details Page
-
Study
Ruby on Rails5 IV
Estimated 1h40m
0%
In this lesson, we'll be adding the "Edit" and "Delete" functionalities to the TweetApp.
このレッスンで学べること
-
1. Editing/Deleting a Post
-
Getting Started
-
Editing a Post
-
Deleting a Post
-
-
2. Editing a Post
-
The Edit Post Page
-
Adding a Form
-
Getting the Form Input Data in the Controller
-
Updating a Post
-
-
3. Deleting a Post
-
Deleting a Post (2)
-
Adding a Link to the "destroy" Action
-
Deleting a Post (3)
-
Study
Ruby on Rails5 V
Estimated 1h50m
0%
In this lesson, we'll learn how to validate data. This will let you prevent saving posts that are empty or too long.
このレッスンで学べること
-
1. Validating Posts
-
Getting Started
-
Preventing Empty Posts
-
Limiting the Length of Posts
-
-
2. Validation Messages
-
Validation and the "save" Method
-
Redirecting to the Form
-
Redisplaying the Content of Failed Post
-
Displaying Error Messages
-
Displaying Flash Messages
-
-
3. Validation in Other Pages
-
Validations on the New Post Page
-
Validations on the New Post Page (2)
-
Flash for Creating/Deleting a Post
-
Dojo
Ruby on Rails5 II
Estimated 2h
0%
This Dojo lesson will give you the chance to practice and apply the knowledge and skills gained in Rails lessons III, IV, and V. As you code m...
このレッスンで学べること
-
1. Lesson Overview
-
Overview
-
-
2. Validation
-
Setting up Validation
-
-
3. New Post Feature
-
New Post Page
-
Saving Posts
-
Success & Error Messages
-
-
4. Edit & Delete Features
-
Edit Post Page
-
Completing the Edit Feature
-
Delete Feature
-
Study
Ruby on Rails5 VI
Estimated 2h
0%
In this lesson, we'll be adding the User model to the TweetApp. It's a good place to review what you've learned in the previous lessons!
このレッスンで学べること
-
1. The User Model
-
Getting Started
-
Creating the Table and the Model
-
Creating a User
-
Adding Validations
-
-
2. Displaying the Users
-
Creating the Users Page
-
Creating the User Details Page
-
-
3. Creating a User
-
Adding a Form
-
Saving the User
-
Adding Validation to the "create" Action
-
-
4. Editing the User
-
Editing the User
-
Updating the Changes
-
Study
Ruby on Rails5 VII
Estimated 2h
0%
In this lesson, we'll add a column to let the users set a profile image.
このレッスンで学べること
-
1. Getting Started
-
Getting Started
-
-
2. Saving the Image Name
-
Adding a Column
-
Editing the Migration File
-
Setting the Default Image
-
Displaying Profile Images
-
-
3. Uploading an Image
-
Sending Images
-
Creating a File
-
Saving Images
-
Study
Ruby on Rails5 VIII
Estimated 3h
0%
In this lesson, we'll learn how to add the "Log in/Log out" functionality to our TweetApp.
このレッスンで学べること
-
1. Preparing the Model and Views
-
Getting Started
-
The "Login" Page
-
Adding the "password" Column
-
Sending the Login Data
-
-
2. Adding the "Login" Functionality
-
Identifying the User
-
When User Login Request Fails
-
Logging In
-
Logging Out
-
Logging in after Signing Up
-
-
3. Authentication
-
Displaying the User's Name
-
Moving Variables to the Action
-
Authenticating a User
-
Authenticating a User (2)
-
Restricting the Edit Account Page
-
Authenticating the "edit" Action
-
Dojo
Ruby on Rails5 III
Estimated 3h
0%
This Dojo lesson will give you a chance to review and strengthen the skills you learned in Rails Study VII & VIII. You'll learn how to add fea...
このレッスンで学べること
-
1. Overview
-
Lesson Overview
-
-
2. Image Upload Feature
-
Adding the image_name Column
-
Setting a Default Image
-
Edit Feature for User Profile Images
-
-
3. Login and Logout
-
Adding a password Column
-
Making a Login Form
-
Login Functionality
-
Invalid User Data
-
Log in after Sign Up
-
The Logout Feature
-
-
4. Completing User Login
-
Adding the User's Name to the Header
-
Restricting Access before Log In
-
Allowing Access After Log In
-
Limiting Access to Edit Account Page
-
Study
Ruby on Rails5 IX
Estimated 2h
0%
In this lesson, we'll learn how to associate the Post model and the User model. This will allow us to display which user posted which post.
このレッスンで学べること
-
1. Associating Posts with the User Model
-
Getting Started
-
Adding the "user_id" Column to Posts Table
-
Associating New Posts with the Logged in Users
-
Displaying User's Name for Each Post
-
Defining an Instance Method
-
Using Instance Methods
-
Displaying the User's Name on the "Posts" Page
-
The where Method
-
Getting the User's Posts
-
Displaying Posts on the "User Details" Page
-
-
2. Authenticating the "edit" Action
-
Preventing Others from Editing Your Post
-
Preventing Others from Editing Your Post (2)
-
Study
Ruby on Rails5 X
Estimated 2h30m
0%
In this lesson, we'll add the "likes" functionality to our app.
このレッスンで学べること
-
1. The Likes Functionality
-
Getting Started
-
The Like Model
-
Adding Columns to the "likes" Table
-
Displaying "Liked!" or "Not Liked!"
-
The Likes Controller
-
The "Like!" Button
-
Removing Likes
-
-
2. Improving the Like! button
-
Using an Icon for the "Like!" Button
-
Using an Icon for the "Like!" Button (2)
-
Displaying the Number of Likes
-
-
3. Displaying the Liked! Posts
-
Displaying the Liked Posts
-
Displaying the Liked Posts (2)
-
Study
Ruby on Rails5 XI
Estimated 1h
0%
In this lesson, we'll learn how to handle passwords securely in web applications.
このレッスンで学べること
-
1. Password Hashing
-
Getting Started
-
Editing the Gemfile
-
has_secure_password
-
Adding password_digest
-
The password Column
-
Using Hashed Passwords
-
Dojo
Ruby on Rails5 IV
Estimated 3h
0%
You'll review and apply the skills learned in Rails Study lessons IX, X, and XI in this Dojo lesson. Strengthen your skills by linking users a...
このレッスンで学べること
-
1. Lesson Overview
-
The Overall Goal
-
-
2. Linking Users & Posts
-
Setup for the Association
-
Associating New Posts with a User
-
Displaying User's Name on the Posts Page
-
Displaying Posts on the User Details Page
-
Preventing Others from Editing Your Posts
-
-
3. The Like Feature
-
Creating the Like Feature
-
The Likes Controller
-
Creating the Button for the Like Feature
-
Displaying the Number of Likes
-
Displaying the Liked Posts
-
-
4. Hashing Passwords
-
Hashing Setup
-
Hashing & Saving
-
Log in with a Hashed Password
-
Related Articles
Start the lesson from the initial state.
Warning: your code will be deleted.
Review the lesson without
resetting your code.