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Rspec Cheat Sheet

# Equivalence
expect(target).to eq 1
expect(target).not_to eq 1

expect(user.id).to eq("foo")

expect(user).to be_a(FooApp::User)

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Deploying a Rails app to Heroku

Learning Objectives

• Why do we need to deploy our code?
• Explain the difference between PaaS and IaaS
• Deploy an app to Heroku
• Run a Heroku app locally
• Set up a remote database
• Configure a remote server

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Single Page Applications

Lesson Objectives

• Explain what it means to develop a single page application
• Explain the pros and cons of developing a single page application
• Describe the different ways to implement a Single Page Application
• Compare and contrast the roles of JS and Rails in a fully functional AJAX application
• Explain how Rails differentiates between request formats and serves the appropriate content format
• Use respond_to to create RESTful actions that respond with JSON representations of objects

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Finishing the Todo Single Page Application

Let's take the starter code we have from class and expand upon it.

• Create an ajax method to delete todo's
• Add a loading indicator when an ajax request is being processed and hide it when it's complete
• Add a success message whenever a todo is created or deleted

BONUS

• Create an ajax method to edit existing todo's

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Express

Lesson Objectives

• Describe what Express is
• Install Express
• Start an Express server
• Explain what middleware is used for
• Explain how to serve static content
• Define routes for different HTTP methods

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Asynchronous Control Flow with Node.js

Differences b/w asynchronous and synchronous code in Node.js

• Recommended that you stick with aynchronous code whenever possible
• Synchronous code is blocking for all users since it's single threaded process
• Blocking code isn't that big of a deal with one user, but with additional users it becomes a huge problem
• Requires a different way of thinking when it comes to your code

Demonstration

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Backbone Views & Templating

Lesson Objectives

• Explain why we need templates on the front-end in addition to the server
• Identify the responsibilities of a "View" in Backbone, and how it differs from a traditional MVC view
• Describe the purpose of the "el" attribute in a Backbone view
• Explain the difference between views with an "el" reference versus a "tagName".
• Describe how Backbone views respond to DOM events
• Explain why it's important to call "remove" when taking a view out of the DOM.

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Freelance Development

Learning Objectives

• Explain what freelance development is and why companies contract developers
• List what paperwork is generally involved on both sides
• Explain what a Statement of Work (SOW) is
• Explain what scope creep is, and how to avoid it
• Describe the accounting required for freelance developers
• Explain how to price your services

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CLI & Computer Basics

Learning Objectives

• Describe what the Terminal is and how we can use it to interface with an operating system
• Compare and contrast the use cases of a CLI vs. a GUI
• Explain the difference between relative vs. absolute paths
• Explain what command options are and how to use them
• Use the most common commands to navigate and modify files / directories via the Terminal window (cd, pwd, mkdir, rm -r, mv, cp, touch)
• Use the 'pwd' command to see the path of the current directory

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Git Whiteboard

10 min - Pair Exercise

This exercise will help students understand the value of using a version control system like Git.

1. Split up into pairs, and grab a whiteboard marker
2. The first person writes out a full complete sentence
3. The second person edits the original sentence in any way they want
4. (2 min) Go back and forth editing the sentence until time is up