BestTechVideos: Tag ruby-plus Videos http://www.bestechvideos.com/tag/ruby-plus Tue, 19 Aug 2008 10:49:42 GMT BestTechVideos: Tag ruby-plus Videos with short descriptions Ruby Plus #93: RESTful Rails http://www.bestechvideos.com/2008/08/19/ruby-plus-93-restful-rails

Ruby Plus #93: RESTful Rails

This is the presentation that I gave to Silicon Valley Ruby on Rails. Some of the topics covered were:

  • What is REST
  • Why REST
  • What are resources
  • Types of resources
  • How to find the resources

I also give practical tips on how to make your Rails app RESTful.

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Browse the archive of posts filed under Development, Ruby, Frameworks, Ruby On Rails, Broadcasting, Screencasts]]> Tue, 19 Aug 2008 10:49:42 GMT http://www.bestechvideos.com/2008/08/19/ruby-plus-93-restful-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/08/19/ruby-plus-93-restful-rails Ruby Plus #92: Extremely Simple Photo Album in Rails http://www.bestechvideos.com/2008/07/07/ruby-plus-92-extremely-simple-photo-album-in-rails

Ruby Plus #92: Extremely Simple Photo Album in Rails

I had looked at Gullery, WebAlbum and Photo Album in Ajax on Rails books among others.

I will show you how to create a photo album with slide show in a RESTful way. I will include the source code as part of the download.

Exercise

You can extend this album so that the photo upload does not tie up the Mongrel process by using Background DRB, Merb etc.

Add the feature where users can only add/edit photos to their album.

Resources

File uploads via Merb inside a Rails application 

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Browse the archive of posts filed under Ruby, Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development]]> Mon, 07 Jul 2008 18:04:12 GMT http://www.bestechvideos.com/2008/07/07/ruby-plus-92-extremely-simple-photo-album-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/07/ruby-plus-92-extremely-simple-photo-album-in-rails Ruby Plus #91: Association Proxy Method in Rails http://www.bestechvideos.com/2008/07/07/ruby-plus-91-association-proxy-method-in-rails

Ruby Plus #91: Association Proxy Method in Rails

In this episode you will learn how to use the <association_name>_ids=([array of ids]) association proxy method in your controllers. When you have has_many or has_and_belongs_to_many models you can use the association proxy method and simplify code in your controllers.

 Based on the blog post params fu #4 by Stephen Chu.

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Browse the archive of posts filed under Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Mon, 07 Jul 2008 15:35:48 GMT http://www.bestechvideos.com/2008/07/07/ruby-plus-91-association-proxy-method-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/07/ruby-plus-91-association-proxy-method-in-rails Ruby Plus #90: fields_for and the index option in Rails http://www.bestechvideos.com/2008/07/07/ruby-plus-90-fields_for-and-the-index-option-in-rails

Ruby Plus #90: fields_for and the index option in Rails

In this episode you learn how to use fields_for and the index option to create a new parent model with multiple child models on one post.

This tip will simplify your code in the controller. Based on the blog post by params fu #3 and #5 by Stephen Chu.

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Browse the archive of posts filed under Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Mon, 07 Jul 2008 12:11:40 GMT http://www.bestechvideos.com/2008/07/07/ruby-plus-90-fields_for-and-the-index-option-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/07/ruby-plus-90-fields_for-and-the-index-option-in-rails Ruby Plus #89: fields_for and params in Rails http://www.bestechvideos.com/2008/07/07/ruby-plus-89-fields_for-and-params-in-rails

Ruby Plus #89: fields_for and params in Rails

In this episode you will learn how to put attributes into a different params key using fields_for if they belong to a different model than the one you are using in the form_for helper.

This technique is useful in real world projects. Based on the blog post params fu #2 by Stephen Chu.

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Browse the archive of posts filed under Broadcasting, Screencasts, Development, Ruby, Frameworks, Ruby On Rails]]> Mon, 07 Jul 2008 10:22:17 GMT http://www.bestechvideos.com/2008/07/07/ruby-plus-89-fields_for-and-params-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/07/ruby-plus-89-fields_for-and-params-in-rails Ruby Plus #88: form_for and params in Rails http://www.bestechvideos.com/2008/07/07/ruby-plus-88-form_for-and-params-in-rails

Ruby Plus #88: form_for and params in Rails

In this episode you will learn how to wrap all relevant attributes in a single params key. Covers the basics of form_for and params in Rails.

This is based on the blog post params fu #1 by Stephen Chu

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Browse the archive of posts filed under Broadcasting, Screencasts, Development, Ruby, Frameworks, Ruby On Rails]]> Mon, 07 Jul 2008 09:19:06 GMT http://www.bestechvideos.com/2008/07/07/ruby-plus-88-form_for-and-params-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/07/ruby-plus-88-form_for-and-params-in-rails Ruby Plus #87: Introduction to jQuery http://www.bestechvideos.com/2008/07/04/ruby-plus-87-introduction-to-jquery

Ruby Plus #87: Introduction to jQuery

In this episode I walk you through a hello world example in jQuery and autocomplete functionality that does not make a server side call.

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Browse the archive of posts filed under Screencasts, Broadcasting, Ruby, Development, Javascript, Ruby On Rails, Frameworks]]> Mon, 07 Jul 2008 07:56:41 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-87-introduction-to-jquery Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-87-introduction-to-jquery Ruby Plus #86: Command Pattern in Ruby http://www.bestechvideos.com/2008/07/04/ruby-plus-86-command-pattern-in-ruby

Ruby Plus #86: Command Pattern in Ruby

In this episode you will learn how to implement GoF Command Design Pattern in Ruby.

I cover the concept of closures, scope and  extent that is required to understand the implementation of Command Pattern

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Browse the archive of posts filed under Ruby, Broadcasting, Development, Screencasts]]> Mon, 07 Jul 2008 04:50:02 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-86-command-pattern-in-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-86-command-pattern-in-ruby Ruby Plus #85: Select Dropdown using Has One Relationship in Rails http://www.bestechvideos.com/2008/07/04/ruby-plus-85-select-dropdown-using-has-one-relationship-in-rails

Ruby Plus #85: Select Dropdown using Has One Relationship in Rails

In this episode you will learn how to use options_from_collection_for_select when you have a has_one relationship between ActiveRecord objects.

Note: For create, I was looking at the wrong book because the id was higher than the one we were looking at. (I had created some books before the screencast)

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Browse the archive of posts filed under Frameworks, Development, Ruby On Rails, Broadcasting, Screencasts, Ruby]]> Sun, 06 Jul 2008 21:00:07 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-85-select-dropdown-using-has-one-relationship-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-85-select-dropdown-using-has-one-relationship-in-rails Ruby Plus #84: Drop Down Box in Rails http://www.bestechvideos.com/2008/07/04/ruby-plus-84-drop-down-box-in-rails

Ruby Plus #84: Drop Down Box in Rails

I was surprised when I found that Rails does not provide any helper to create simple drop down box with integer values. I came across the blog post by Brian McQuay

In this episode I will show you how to display and edit a simple drop down box that contains integer values. I have included the source code in the download. This is an opportunity for you to contribute to Rails, check out Ryan Bates screencast on contributing to Rails using GIT and create a patch to include this helper to FormHelper.

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Browse the archive of posts filed under Development, Ruby, Frameworks, Ruby On Rails, Broadcasting, Screencasts]]> Sun, 06 Jul 2008 16:12:22 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-84-drop-down-box-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-84-drop-down-box-in-rails Ruby Plus #83: Reports in ActiveMerchant ARB with Authorize.net in Rails http://www.bestechvideos.com/2008/07/04/ruby-plus-83-reports-in-activemerchant-arb-with-authorize-net-in-rails

Ruby Plus #83: Reports in ActiveMerchant ARB with Authorize.net in Rails

This episode shows how to handle the status of the automated recurring billing. For instance, how do we know the charges are going through?

The download includes the source code that will show you how to handle different scenarios in your application.

Resources:

  1. Silent Post Back  
  2. ActiveMerchant Google Group Thread

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Browse the archive of posts filed under Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Sun, 06 Jul 2008 13:27:06 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-83-reports-in-activemerchant-arb-with-authorize-net-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-83-reports-in-activemerchant-arb-with-authorize-net-in-rails Ruby Plus #82: Extremely Simple Recurring Billing using ActiveMerchant with Authorize.net http://www.bestechvideos.com/2008/07/04/ruby-plus-82-extremely-simple-recurring-billing-using-activemerchant-with-authorize-net

Ruby Plus #82: Extremely Simple Recurring Billing using ActiveMerchant with Authorize.net

In this episode I will walk you thorough a micro-app that takes care of recurring billing using ActiveMerchant with Authorize.net. I will show you how I resolved problems during the development.I have included source code with the download. The following features are covered:

  • Create Subscription
  • Update Subscription
  • Cancel Subscription

Special thanks to Lake Denman for providing me with sample code and suggestions.

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Browse the archive of posts filed under Development, Web Services, Ruby On Rails, Technologies, Frameworks, Screencasts, Broadcasting, Ruby]]> Sun, 06 Jul 2008 12:00:15 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-82-extremely-simple-recurring-billing-using-activemerchant-with-authorize-net Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-82-extremely-simple-recurring-billing-using-activemerchant-with-authorize-net Ruby Plus #81: Multiple Selection in Rails View http://www.bestechvideos.com/2008/07/04/ruby-plus-81-multiple-selection-in-rails-view

Ruby Plus #81: Multiple Selection in Rails View

In this episode you will learn how to use the multiple selection form helper in Rails. I made some corrections to the material that I found in Rails how-to form helper wiki.

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Browse the archive of posts filed under Screencasts, Development, Ruby, Frameworks, Ruby On Rails, Broadcasting]]> Sun, 06 Jul 2008 11:24:54 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-81-multiple-selection-in-rails-view Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-81-multiple-selection-in-rails-view Ruby Plus #80: Open Closed Principle in Ruby http://www.bestechvideos.com/2008/07/04/ruby-plus-80-open-closed-principle-in-ruby

Ruby Plus #80: Open Closed Principle in Ruby

Most of the developers in Ruby community only know about DRY principle. There are very few who know about Open Closed Principle. In this episode I will explain this principle and show an example in Rails where this principle can be applied. You will learn when and how you can apply this principle in Ruby.

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Browse the archive of posts filed under Broadcasting, Development, Screencasts, Ruby]]> Sun, 06 Jul 2008 08:04:02 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-80-open-closed-principle-in-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-80-open-closed-principle-in-ruby Ruby Plus #79: Ruby Design Pattern Series - Iterator http://www.bestechvideos.com/2008/07/04/ruby-plus-79-ruby-design-pattern-series-iterator

Ruby Plus #79: Ruby Design Pattern Series - Iterator

In this episode you will learn how easy and elegant it is to implement the Iterator GOF design pattern in Ruby.There are two types of Iterators:

  • External Iterator
  • Internal Iterator

In External Iterators a distinct controller controls the iteration whereas in Internal Iterator the iterator controls itself.

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Browse the archive of posts filed under Ruby, Broadcasting, Development, Screencasts]]> Sun, 06 Jul 2008 07:14:14 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-79-ruby-design-pattern-series-iterator Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-79-ruby-design-pattern-series-iterator Ruby Plus #78: Mining ActiveSupport Object#returning http://www.bestechvideos.com/2008/07/04/ruby-plus-78-mining-activesupport-object-returning

Ruby Plus #78: Mining ActiveSupport Object#returning

In this episode you will see how returning method in ActiveSupport works. Even if you don't like this idiom, understanding how this method is implemented is very useful technique to know and can be used in other scenarios.

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Browse the archive of posts filed under Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Sun, 06 Jul 2008 06:20:37 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-78-mining-activesupport-object-returning Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-78-mining-activesupport-object-returning Ruby Plus #77: Regular Expressions in Ruby Basics - Part 1 http://www.bestechvideos.com/2008/07/04/ruby-plus-77-regular-expressions-in-ruby-basics-part-1

Ruby Plus #77: Regular Expressions in Ruby Basics - Part 1

This episode is for those who are new to regular expressions in Ruby. I will show you a cool way to experiment with regular expressions.

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Browse the archive of posts filed under Ruby, Broadcasting, Development, Screencasts]]> Sat, 05 Jul 2008 21:02:35 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-77-regular-expressions-in-ruby-basics-part-1 Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-77-regular-expressions-in-ruby-basics-part-1 Ruby Plus #76: Callbacks in Rails 2.0 http://www.bestechvideos.com/2008/07/04/ruby-plus-76-callbacks-in-rails-2-0

Ruby Plus #76: Callbacks in Rails 2.0

In this episode you will learn how callbacks in Rails behaves when you have a class that extends from another class which extends from ActiveRecord.

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Browse the archive of posts filed under Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Sat, 05 Jul 2008 20:21:16 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-76-callbacks-in-rails-2-0 Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-76-callbacks-in-rails-2-0 Ruby Plus #75: Using Capistrano to import production data to your development database http://www.bestechvideos.com/2008/07/04/ruby-plus-75-using-capistrano-to-import-production-data-to-your-development-database

Ruby Plus #75: Using Capistrano to import production data to your development database

In this episode I will walk you through a very useful Capistrano 2.0 task that can be used to download production data to your development machine and import it into your development database.

It is useful to reproduce bugs and backup production database. You will see how to make Capistrano execute commands on your local machine.

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Browse the archive of posts filed under Ruby On Rails, Broadcasting, Screencasts, Development, Ruby, Databases, Frameworks]]> Sat, 05 Jul 2008 17:18:44 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-75-using-capistrano-to-import-production-data-to-your-development-database Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-75-using-capistrano-to-import-production-data-to-your-development-database Ruby Plus #74: Making Complex Queries using Active Record http://www.bestechvideos.com/2008/07/04/ruby-plus-74-making-complex-queries-using-active-record

Ruby Plus #74: Making Complex Queries using Active Record

In this episode you will learn how to make complex queries that invoives having, group by, order by clauses in sql and it's ActiveRecord equivalent.

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Browse the archive of posts filed under Databases, Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Sat, 05 Jul 2008 10:30:27 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-74-making-complex-queries-using-active-record Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-74-making-complex-queries-using-active-record Ruby Plus #73: Extending ActiveRecord Associations in Rails http://www.bestechvideos.com/2008/07/04/ruby-plus-73-extending-activerecord-associations-in-rails

Ruby Plus #73: Extending ActiveRecord Associations in Rails

In this episode you will learn how to extend ActiveRecord associations and use memoization to speed up queries.

I will also share a tip on how to view the SQL queries from the script/console.

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Browse the archive of posts filed under Ruby, Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development]]> Sat, 05 Jul 2008 09:11:49 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-73-extending-activerecord-associations-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-73-extending-activerecord-associations-in-rails Ruby Plus #72: Integrating Rails app with Campaign Monitor API http://www.bestechvideos.com/2008/07/04/ruby-plus-72-integrating-rails-app-with-campaign-monitor-api

Ruby Plus #72: Integrating Rails app with Campaign Monitor API

In this episode you will learn how to use campaign monitor gem to integrate your Rails app to Campaign Monitor Web Service API. I will point out the blockers that I faced during the development.

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Browse the archive of posts filed under Development, Web Services, Ruby On Rails, Technologies, Frameworks, Screencasts, Broadcasting, Ruby]]> Sat, 05 Jul 2008 08:01:55 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-72-integrating-rails-app-with-campaign-monitor-api Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-72-integrating-rails-app-with-campaign-monitor-api Ruby Plus #71: How to create a SEO sitemap for Rails Apps http://www.bestechvideos.com/2008/07/04/ruby-plus-71-how-to-create-a-seo-sitemap-for-rails-apps

Ruby Plus #71: How to create a SEO sitemap for Rails Apps

The Sitemap Protocol allows you to inform search engines about URLs on your websites that are available for crawling. It increases the chance that your webpages will be included in search indexes. You can manually submit sitemap.xml to Google through Google's webmaster tools page.

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Browse the archive of posts filed under Frameworks, Screencasts, Broadcasting, Ruby, Development, Google, Ruby On Rails, Companies]]> Sat, 05 Jul 2008 06:08:24 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-71-how-to-create-a-seo-sitemap-for-rails-apps Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-71-how-to-create-a-seo-sitemap-for-rails-apps Ruby Plus #70: Extremely Simple PDF Generation in Rails using HTMLDOC http://www.bestechvideos.com/2008/07/04/ruby-plus-70-extremely-simple-pdf-generation-in-rails-using-htmldoc

Ruby Plus #70: Extremely Simple PDF Generation in Rails using HTMLDOC

In this episode you will see how to use HTML doc gem to create pdf documents that is very easy to create in your Rails 2.0 apps in a RESTful way. I will throw in a very useful tip on how to debug issues in your production environment using log files.

The download includes instructions for compiling and installing HTMLDOC. Note: I think if you define map.resource :product in routes.rb, you might be able to make it work without using plural map.resources declaration.

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Browse the archive of posts filed under Development, Ruby, Ruby On Rails, Frameworks, Screencasts, Broadcasting, Debugging]]> Sat, 05 Jul 2008 00:02:58 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-70-extremely-simple-pdf-generation-in-rails-using-htmldoc Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-70-extremely-simple-pdf-generation-in-rails-using-htmldoc Ruby Plus #69: Rails Deployment using RailsMachine http://www.bestechvideos.com/2008/07/04/ruby-plus-69-rails-deployment-using-railsmachine

Ruby Plus #69: Rails Deployment using RailsMachine

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.

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Browse the archive of posts filed under Ruby, OS, Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development]]> Sat, 05 Jul 2008 00:02:25 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-69-rails-deployment-using-railsmachine Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-69-rails-deployment-using-railsmachine Ruby Plus #68: Rails with Active Merchant Authorize Net CIM Gateway http://www.bestechvideos.com/2008/07/04/ruby-plus-68-rails-with-active-merchant-authorize-net-cim-gateway

Ruby Plus #68: Rails with Active Merchant Authorize Net CIM Gateway

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.

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Browse the archive of posts filed under Technologies, Frameworks, Ruby, Broadcasting, Javascript, Ruby On Rails, Development, Web Services, Screencasts]]> Fri, 04 Jul 2008 22:15:18 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-68-rails-with-active-merchant-authorize-net-cim-gateway Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-68-rails-with-active-merchant-authorize-net-cim-gateway Ruby Plus #67: Rush - The Ruby Shell http://www.bestechvideos.com/2008/07/04/ruby-plus-67-rush-the-ruby-shell

Ruby Plus #67: Rush - The Ruby Shell

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.

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Browse the archive of posts filed under Broadcasting, Development, Screencasts, OS, Ruby]]> Fri, 04 Jul 2008 22:11:23 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-67-rush-the-ruby-shell Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-67-rush-the-ruby-shell Ruby Plus #66: How to send emails with pdf attachments using ActionMailer in Rails http://www.bestechvideos.com/2008/07/04/ruby-plus-66-how-to-send-emails-with-pdf-attachments-using-actionmailer-in-rails

Ruby Plus #66: How to send emails with pdf attachments using ActionMailer in Rails

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.

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Browse the archive of posts filed under Broadcasting, Screencasts, Development, Ruby, Frameworks, Ruby On Rails]]> Fri, 04 Jul 2008 21:14:22 GMT http://www.bestechvideos.com/2008/07/04/ruby-plus-66-how-to-send-emails-with-pdf-attachments-using-actionmailer-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/04/ruby-plus-66-how-to-send-emails-with-pdf-attachments-using-actionmailer-in-rails Ruby Plus #65: ActiveMerchant with Authorize.net in Rails Part 2 http://www.bestechvideos.com/2008/07/01/ruby-plus-65-activemerchant-with-authorize-net-in-rails-part-2

Ruby Plus #65: ActiveMerchant with Authorize.net in Rails Part 2

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

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Browse the archive of posts filed under Development, Web Services, Ruby On Rails, Technologies, Frameworks, Screencasts, Broadcasting, Ruby]]> Fri, 04 Jul 2008 05:18:01 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-65-activemerchant-with-authorize-net-in-rails-part-2 Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-65-activemerchant-with-authorize-net-in-rails-part-2 Ruby Plus #64: Extremely Simple Calendar Integration for Rails http://www.bestechvideos.com/2008/07/01/ruby-plus-64-extremely-simple-calendar-integration-for-rails

Ruby Plus #64: Extremely Simple Calendar Integration for Rails

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.

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Browse the archive of posts filed under Broadcasting, Screencasts, Development, Ruby, Frameworks, Ruby On Rails]]> Thu, 03 Jul 2008 23:32:32 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-64-extremely-simple-calendar-integration-for-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-64-extremely-simple-calendar-integration-for-rails Ruby Plus #63: Why Ruby is an acceptable LISP? http://www.bestechvideos.com/2008/07/01/ruby-plus-63-why-ruby-is-an-acceptable-lisp

Ruby Plus #63: Why Ruby is an acceptable LISP?

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.

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Browse the archive of posts filed under Ruby, Development, Screencasts, Lisp]]> Thu, 03 Jul 2008 21:40:12 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-63-why-ruby-is-an-acceptable-lisp Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-63-why-ruby-is-an-acceptable-lisp Ruby Plus #62: ActiveMerchant with Authorize.net in Rails http://www.bestechvideos.com/2008/07/01/ruby-plus-62-activemerchant-with-authorize-net-in-rails

Ruby Plus #62: ActiveMerchant with Authorize.net in Rails

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

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Browse the archive of posts filed under Broadcasting, Ruby, Development, Web Services, Ruby On Rails, Technologies, Frameworks, Screencasts]]> Thu, 03 Jul 2008 21:38:54 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-62-activemerchant-with-authorize-net-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-62-activemerchant-with-authorize-net-in-rails Ruby Plus #61: Ruby 1.9 Features http://www.bestechvideos.com/2008/07/01/ruby-plus-61-ruby-1-9-features

Ruby Plus #61: Ruby 1.9 Features

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

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Browse the archive of posts filed under Ruby, Development, Screencasts]]> Thu, 03 Jul 2008 17:42:27 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-61-ruby-1-9-features Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-61-ruby-1-9-features Ruby Plus #60: Ruby Metaclasses Final Episode http://www.bestechvideos.com/2008/07/01/ruby-plus-60-ruby-metaclasses-final-episode

Ruby Plus #60: Ruby Metaclasses Final Episode

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

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Browse the archive of posts filed under Development, Screencasts, Ruby]]> Thu, 03 Jul 2008 14:19:42 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-60-ruby-metaclasses-final-episode Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-60-ruby-metaclasses-final-episode Ruby Plus #59: Ruby Metaclasses part 5 http://www.bestechvideos.com/2008/07/01/ruby-plus-59-ruby-metaclasses-part-5

Ruby Plus #59: Ruby Metaclasses part 5

This is the final episode based on Why the luck stiff's "Seeing Metaclasses clearly" article.This episode ends with an illustration of a powerful metaprogramming concept that every Ruby programmer should know.

Prerequisite: instance_eval, changing self in Ruby episodes and previous episodes on metaclasses.

Correction: self inside the Class << self is not the FooSub but is the metaclass of FooSub.

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Browse the archive of posts filed under Development, Screencasts, Ruby]]> Thu, 03 Jul 2008 05:44:34 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-59-ruby-metaclasses-part-5 Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-59-ruby-metaclasses-part-5 Ruby Plus #58: Higher Order Procedures in Ruby http://www.bestechvideos.com/2008/07/01/ruby-plus-58-higher-order-procedures-in-ruby

Ruby Plus #58: Higher Order Procedures in Ruby

A powerful language provides the ability to build abstractions by assigning names to common patterns and then to work in terms of the abstractions directly. In this presentation you will see how Higher-Order Procedures can be used to formulate abstractions in Ruby.You will learn how to write concise code to become a rockstar Ruby coder.

Prerequisite: Ruby blocks episodes and the previous episode.

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Browse the archive of posts filed under Development, Screencasts, Ruby]]> Wed, 02 Jul 2008 16:01:25 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-58-higher-order-procedures-in-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-58-higher-order-procedures-in-ruby Ruby Plus #57: Ruby Metaclasses part 4 http://www.bestechvideos.com/2008/07/01/ruby-plus-57-ruby-metaclasses-part-4

Ruby Plus #57: Ruby Metaclasses part 4

In this screencast you will learn about the method lookup and basic concept required for an upcoming episode "Higher Order Procedures in Ruby".

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Browse the archive of posts filed under Development, Screencasts, Ruby]]> Wed, 02 Jul 2008 13:49:40 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-57-ruby-metaclasses-part-4 Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-57-ruby-metaclasses-part-4 Ruby Plus #56: Ruby Metaclasses part 3 http://www.bestechvideos.com/2008/07/01/ruby-plus-56-ruby-metaclasses-part-3

Ruby Plus #56: Ruby Metaclasses part 3

In this screencast we will continue our exploration of meta classes in Ruby. You will learn the difference between opening up Object and Class objects in Ruby, and meta class.

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Browse the archive of posts filed under Development, Screencasts, Ruby]]> Wed, 02 Jul 2008 12:05:42 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-56-ruby-metaclasses-part-3 Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-56-ruby-metaclasses-part-3 Ruby Plus #55: Ruby Metaclasses part 2 http://www.bestechvideos.com/2008/07/01/ruby-plus-55-ruby-metaclasses-part-2

Ruby Plus #55: Ruby Metaclasses part 2

This episode continues with the meta class concepts and builds on top of the previous episode. You will learn how and why sometimes you may want to extend a specific object with a method.

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Browse the archive of posts filed under Screencasts, Ruby, Development]]> Wed, 02 Jul 2008 09:46:37 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-55-ruby-metaclasses-part-2 Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-55-ruby-metaclasses-part-2 Ruby Plus #53: Keyword Arguments and Ruby http://www.bestechvideos.com/2008/07/01/ruby-plus-53-keyword-arguments-and-ruby

Ruby Plus #53: Keyword Arguments and Ruby

In this screencast you will learn how to simulate keyword arguments in Ruby and the advantages of using keyword arguments

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Browse the archive of posts filed under Screencasts, Ruby, Development]]> Wed, 02 Jul 2008 08:58:44 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-53-keyword-arguments-and-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-53-keyword-arguments-and-ruby Ruby Plus #54: Ruby Metaclasses http://www.bestechvideos.com/2008/07/01/ruby-plus-54-ruby-metaclasses

Ruby Plus #54: Ruby Metaclasses

In this screencast you will learn about classes and meta classes in Ruby. Based on Why the lucky stiff's article "Seeing Metaclasses Clearly".

Correction: Instead of p Foo.ancestors try p Foo.class

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Browse the archive of posts filed under Screencasts, Ruby, Development]]> Wed, 02 Jul 2008 07:25:41 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-54-ruby-metaclasses Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-54-ruby-metaclasses Ruby Plus #52: Ruby Hash http://www.bestechvideos.com/2008/07/01/ruby-plus-52-ruby-hash

Ruby Plus #52: Ruby Hash

In this screencast you will learn about the basics of Hash and the concept of rehash which will help you to avoid bugs in your code.

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Browse the archive of posts filed under Screencasts, Ruby, Development]]> Wed, 02 Jul 2008 04:58:11 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-52-ruby-hash Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-52-ruby-hash Ruby Plus #51: Sake for Rake in Rails http://www.bestechvideos.com/2008/07/01/ruby-plus-51-sake-for-rake-in-rails

Ruby Plus #51: Sake for Rake in Rails

In this screencast you will learn about Sake and how to use it in Rails projects. Sake allows you to install rake tasks once and use it across all Rails projects.

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Browse the archive of posts filed under Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Tue, 01 Jul 2008 20:21:24 GMT http://www.bestechvideos.com/2008/07/01/ruby-plus-51-sake-for-rake-in-rails Dmytro Shteflyuk http://www.bestechvideos.com/2008/07/01/ruby-plus-51-sake-for-rake-in-rails Ruby Plus #50: define_method in Ruby http://www.bestechvideos.com/2008/06/30/ruby-plus-50-define_method-in-ruby

Ruby Plus #50: define_method in Ruby

In this screencast you will learn about define_method in Ruby and how you can use it for meta programming.

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Browse the archive of posts filed under Development, Screencasts, Ruby, Broadcasting]]> Tue, 01 Jul 2008 17:22:54 GMT http://www.bestechvideos.com/2008/06/30/ruby-plus-50-define_method-in-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/06/30/ruby-plus-50-define_method-in-ruby Ruby Plus #49: Changing Self in Ruby http://www.bestechvideos.com/2008/06/30/ruby-plus-49-changing-self-in-ruby

Ruby Plus #49: Changing Self in Ruby

In this screencast you will learn about the self and how to change it. This concept is used in writing DSLs in Ruby.

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Browse the archive of posts filed under Screencasts, Ruby, Broadcasting, Development]]> Tue, 01 Jul 2008 17:22:13 GMT http://www.bestechvideos.com/2008/06/30/ruby-plus-49-changing-self-in-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/06/30/ruby-plus-49-changing-self-in-ruby Ruby Plus #48: Ruby const_set http://www.bestechvideos.com/2008/06/30/ruby-plus-48-ruby-const_set

Ruby Plus #48: Ruby const_set

In this screencast you will learn the basics of const_set in Ruby and how it is used in Rails.

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Browse the archive of posts filed under Ruby On Rails, Broadcasting, Screencasts, Development, Ruby, Frameworks]]> Tue, 01 Jul 2008 17:12:30 GMT http://www.bestechvideos.com/2008/06/30/ruby-plus-48-ruby-const_set Dmytro Shteflyuk http://www.bestechvideos.com/2008/06/30/ruby-plus-48-ruby-const_set Ruby Plus #47: Rails Metaprogramming http://www.bestechvideos.com/2008/06/30/ruby-plus-47-rails-metaprogramming

Ruby Plus #47: Rails Metaprogramming

In this screencast you will learn about alias_attribute, attr_accessor_with_default and class_inheritable_hash in Rails.

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Browse the archive of posts filed under Frameworks, Ruby On Rails, Broadcasting, Screencasts, Development, Ruby]]> Tue, 01 Jul 2008 14:18:32 GMT http://www.bestechvideos.com/2008/06/30/ruby-plus-47-rails-metaprogramming Dmytro Shteflyuk http://www.bestechvideos.com/2008/06/30/ruby-plus-47-rails-metaprogramming Ruby Plus #46: Ruby Idioms Part 6 http://www.bestechvideos.com/2008/06/30/ruby-plus-46-ruby-idioms-part-6

Ruby Plus #46: Ruby Idioms Part 6

In this screencast you will learn about inject, splat operator and include? methods and how it is used in Ruby idioms. Paul Morganthall says: Thanks for the screencasts. I just watched Ruby Idioms Part 4 about the splat operator. In the first example, the code looks something like this: fruits = ['apple', 'banana'] a, b = *fruits This works fine, you get the same results without the splat operator: a, b = fruits The splat operator in this case seems to obscure what's going on. I realize that the presence of the splat operator can change the behavior in many other cases ... but not this one.

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Browse the archive of posts filed under Ruby, Broadcasting, Development, Screencasts]]> Tue, 01 Jul 2008 11:08:49 GMT http://www.bestechvideos.com/2008/06/30/ruby-plus-46-ruby-idioms-part-6 Dmytro Shteflyuk http://www.bestechvideos.com/2008/06/30/ruby-plus-46-ruby-idioms-part-6 Ruby Plus #45: Spaceship operator in Ruby http://www.bestechvideos.com/2008/06/30/ruby-plus-45-spaceship-operator-in-ruby

Ruby Plus #45: Spaceship operator in Ruby

In this screencast you will learn the basics of spaceship operator <=> in Ruby.

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Browse the archive of posts filed under Broadcasting, Development, Screencasts, Ruby]]> Tue, 01 Jul 2008 09:05:19 GMT http://www.bestechvideos.com/2008/06/30/ruby-plus-45-spaceship-operator-in-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/06/30/ruby-plus-45-spaceship-operator-in-ruby Ruby Plus #44: Threequal operator in Ruby http://www.bestechvideos.com/2008/06/30/ruby-plus-44-threequal-operator-in-ruby

Ruby Plus #44: Threequal operator in Ruby

In this screencast you will learn about === operator in Ruby.

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Browse the archive of posts filed under Ruby, Broadcasting, Development, Screencasts]]> Tue, 01 Jul 2008 06:55:12 GMT http://www.bestechvideos.com/2008/06/30/ruby-plus-44-threequal-operator-in-ruby Dmytro Shteflyuk http://www.bestechvideos.com/2008/06/30/ruby-plus-44-threequal-operator-in-ruby