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Episodes

Cropping Images with JCrop

Episode #77 4-23-2017 free

Extend your image upload functionality with JCrop. Learn to redirect the user to a crop page once they have uploaded their image and save versions of the cropped images.

Javascript Select Form Fields with Chosen

Episode #76 4-16-2017 free

Chosen is a jQuery plugin that makes long, unwieldy select boxes much more user-friendly. Learn how to use Chosen in a few different ways in this episode; Rails form builder and Simple Form.

Drag and Drop with Interact.js

Episode #75 4-9-2017 free

Using Interact.js to create draggable and droppable items in our view, we can use AJAX callbacks on events to interact with our Ruby on Rails application. Also, learn how to use Ruby Assets to manage our Javascript Libraries.

Page Specific Javascript in Ruby on Rails

Episode #74 4-2-2017 free

Sometimes you may find yourself with an application that has javascript that needs to execute only on a specific page. This episode lays the foundation to easily manage page specific javascript.

Nested Forms with Cocoon

Episode #71 3-12-2017 free

Using the unobtrusive gem, Cocoon, learn how to handle multiple models in a single form with accepts_nested_attributes_for.

Nested Forms from Scratch

Episode #70 3-5-2017 free

Learn how to handle multiple models in a single form with accepts_nested_attributes_for and learn how to add and remove nested records through JavaScript.

Decoding and Interacting with Barcodes

Episode #67 2-12-2017 free

Using the QuaggaJS Library, learn how to scan and decode barcodes with your Ruby on Rails application. Using provided callbacks, interact with controller actions to provide a seamless experience.

Client Side Encryption

Episode #63 1-15-2017 free

Add an extra level of security to your application with client side encryption. Even over an SSL connection, there are attacks which could expose your users' sensitive information. Using JSEncrypt, learn how to encrypt on the client side and decrypt on the server side.

Charts and Graphs

Episode #55 11-21-2016 free

Learn how to use one of three charting libraries, Chart.js, Highcharts, or Google Charts, using the Chartkick gem to create simple and unobtrusive charts in your application.

Capturing Signatures with Signature Pad

Episode #44 8-28-2016 free

Using the Javascript Library, Signature Pad, learn how to capture user signatures and store them within your Ruby on Rails application.