Ruby Plus

In this episode you will learn how to secure your server, use SSH-Agent to enjoy fast and secure login. You will also see how easy it is to deploy a Rails app on RailsMachine account.

In this episode you will learn how to use Active Resource to integrate your Rails app with a Billing Rails app that uses Active Merchant Plugin's Authorize.net CIM gateway.

 You will also see how to use javascript to autopopulate fields when filling out the form for shipping and billing address. 

rush is a replacement for the unix shell (bash, zsh, etc) which uses pure Ruby syntax.

It combines the power of unix with the elegance of Ruby.  

In this episode you will learn how to send emails with pdf attachments in Rails 2.0. The Rails 2.0 API for ActionMailer is different from the previous version.

In this episode you will learn how to use CIM API of Authorize.net gateway to post transactions and add recurring billing logic.

 For recurring billing you can check the last_charged_at field in Subscriptions table and if it was successfully processed you can charge the customer based on the interval. Interval attribute can store the frequency of charging a customer for subscriptions. I am using months as the unit for this attribute.

Write a method in CustomerProfile model to check the subscriptions table for any pending charges that must be posted to the gateway. Use this class method in a Rake task that will be run by a CRON job.

 Resources: How to create domain model

The download includes the source code and the billing domain model diagram that is capable of handling recurring charges. 

This episode is based on the blog post Extremely Simple Calendar Integration for Rails

 You will the learn basics of form, routes and how to save the calendar selection value to the database.

This episode is based on the blog post by Eric Kidd Why Ruby is an acceptable LISP

You will learn the very subtle technique that allows chaining of functions in Ruby. 

In this episode you will learn how to make a purchase transaction using ActiveMerchant plugin with Authorize.net gateway.

In this screencast you will learn about the new features in Ruby 1.9. This is based on the blog post by Gregory Brown : On the Horizon : Ten Things I like about Ruby 1.9

In this final episode you will learn how every class in Ruby is a first-class object. We will see how classes and subclasses have metaclasses and how to access them.

Reference: MetaRails - Metaprogramming by example by Nick Sieger RUM - July 25, 2006 

Google it to download the slides.