Learn Ruby

Week 1: Introduction to Ruby 34 minutes

1. What we'll be doing 2 minutes

A quick overview of what we'll be doing in this class.

2. A quick primer on Ruby 2 minutes

Let's get some background on Ruby real quick.

3. Getting your terminal and text editor set up 3 minutes

Make sure you have Sublime Text and the Command Line ready before moving on.

4. Customizing your terminal 1 minute

Feel free to play around with the look and feel of your command line so that you can get something you like working with.

5. Setting up Ruby 8 minutes

Let's get Ruby set up on your computer.

6. Debugging & continuing setting up Ruby

In this lesson, I show you how you might troubleshoot a problem during the installation process in case you run into one. (Feel free to skip this step if your installation worked fine and you just want to jump directly to coding.)

7. Command Line Crash Course

The command line can be a scary place for beginners, but there are only a handful of commands you'll need to know in order to use it including pwd, cd, and ls.

Week 1: Beginner Ruby about 1 hour

1. Playing with Ruby

I'm going to show you how to run your first Ruby code with the Interactive Ruby Shell (IRB).

2. Puts and your first script

I'm going to show you how to write and run your first Ruby script. Are you ready? You're about to get 20% more awesome.

3. Errors & Debugging

Ahh help! Help! It's not working! Before you freak out, let me walk you through what might go wrong when you make a typo, and how you can fix it.

4. Comments

Once you learn about comments, you'll start seeing them everywhere!

5. Numbers & Math

Let's play around with some numbers in Ruby.

6. Variables

Variables are just names for things. They're the building blocks of programming.

7. Strings & Text

Strings are another data type it's important to know about in Ruby.

8. Getting User Input

Now I'll show you how to get input from people interacting with your scripts.

9. Assignment #1

Your first assignment in this class will test everything you've learned so far.

Week 2: Intermediate Ruby about 1 hour

1. Recap of Beginner Ruby

Let's review our Ruby.

2. Methods, Part 1

Methods make the world go round.

3. Methods, Part 2: Methods Strike Back

Let's learn how to use methods to set variables.

4. Methods, Part 3: Return of the Methods

I'll show you how to solve the challenge from the last lesson.

5. Reading Files

I'll show you how to read files in Ruby

6. Writing Files

I'll show you how to write to files in Ruby.

7. Copying Files

With the last two lessons (reading and writing files), you now have enough to do more advanced stuff, like write a script that copies a file from one place to another.

8. Assignment #2: Fix the Error

In this assignment, the task is to fix a Ruby file that your coworker gave you that has a lot of errors. It's not running, can you fix the errors and get it to run?

Advanced Ruby about 1 hour

1. Logic in Ruby

True or False: Are you ready?

2. Boolean Practice

We're going to practice the truth table stuff together so that you get a better hang of it.

3. If Statements

Have you ever wondered 'What If'?

4. Else and Elsif

Else and Elsif are the other half of If.

5. Arrays

Arrays are basically lists of things in Ruby. Let me show you how to use them.

6. Loops

Loops let you do the same thing over everything in a list. Confused? They're really useful. Let me show you want I mean.

7. FizzBuzz

I'm going to challenge you with a common developer interview question.

8. FizzBuzz solution

Here's how I solved FizzBuzz.

9. More About Arrays

There was more about Arrays that I forgot to tell you.

10. Hashes

What? More stuff? This is it. Hashes are basically arrays crossed with a dictionary.

11. The Halfway Point

You made it halfway! It's gonna get serious now. We're going to write some real code.

Week 3: APIs with Ruby about 1 hour

1. Stocks API

Let's pull some stock prices and make some $$$!

2. Stocks API Challenge

This is the solution to the challenge posed in the last video

3. Weather API

Get the weather forecast using a Ruby script

4. Weather API + Geocoder

Make an improvement on the simple weather API script we built in the last lesson.

5. Weather API Challenge 1

See the solution to the challenge posed in the last video

6. Weather API Challenge 2

Another challenge! What a treat.

7. Twilio API

Learn how to use the Twilio API to send text messages!

8. Twilio API Challenge 1

Solve the challenge I posed at the end of the last lesson

9. Twilio API Challenge 2

A 2nd challenge related to the Twilio API

10. Assignment #3: Work with an API

Your assignment for week 3

Week 4: Web Scraping with Mechanize 26 minutes

1. Scraping with Mechanize

Let's grab some web pages using the Ruby Mechanize Gem

2. Searching Amazon with Mechanize

Let's use Mechanize for something more fun: Getting data from Amazon.

3. Searching Through Amazon HTML with Mechanize

Let's parse the HTML from Amazon's webpage so we can actually get the data we're looking for.

Building Web Apps with Sinatra 29 minutes

1. Your First Website with Sinatra

Let's create your first web app in Ruby!

2. Creating a View in Sinatra

In this lesson we'll combine HTML and Ruby for the first time using a View.

3. Variables in ERB Views

Now I'll show you how to insert Ruby variables into your ERB code

4. Routing and Using the Stocks API in Sinatra

Routing lets you create different pages and different ways of interacting with your Web App

5. Creating a Form to Accept User Input

In this lesson you'll learn how to accept user input through a form.

6. Accepting Post Requests in Sinatra

Finally we'll create a new route to accept the POST request from the form.

7. Assignment #4: Build Your Own Sinatra Web App

Here's your last assignment

8. Your Verified Certificate

Get Your Certificate of Completion!

9. What's Next

Want to learn more about Ruby?

Course Progress