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Heroku provides a platform as a service (PAAS) for building, deploying, running, and managing cloud apps using Ruby. The architecture of their cloud application platform includes tools for deployment and management, a runtime for scalability, fault tolerance, automation, and an Add-ons system for extending the capabilities of the platform. You can get started for free at Heroku.com.
Logan Koester has an awesome article on performing Bayesian Classification on Rails. Bayesian Classification is a way to teach a program how to classify abstract objects, by training it with existing material and classifications. This is the kind of thing your spam filter does.
ActionMailer has gotten a pretty sizeable overhaul in Rails 3 Mikel Lindsaar and Jose Valim. The changes make a mailer definition look more like an ActionController action, with easier attachments and the ability to easily define multiple email formats.
If you are going to do a full text index for your application, Apache's Solr project seems to be the most popular solution. Diego Carrion has decided to pick up the branch the acts_as_solr project under the name acts_as_solr_reloaded. it offers some features the original does not, including support for dynamic attributes, geo-location, support for acts_as_taggable_on highlighting and relevance ranking.
Casey Dreier has released the Dirty Associations plugin. As you might have guessed, this has to do with dirty objects in Rails, which enable you to see how a record has changed during its lifetime. With the Dirty Associations plugin, you can track changes on your model, in a similar way that you can track changes on your object.
Alan Skorkin has written a great article on using Ruby Version Manager, or RVM for short. It abstracts away a lot of the complexity of having multiple Ruby installs. To get RVM you just install the gem, run a few commands which Alan details in his article, and then you can use the rvm install command to install other versions of Ruby.
This will be Nick and Jim's final Ruby5 episode. They are going to be focusing on their new show Doctype. Stay tuned to Ruby5 every Tuesday and Thursday for the latest news in the Ruby and Rails community. And to the new hosts, good luck!
Looking back on the Rails 3 BugMash, we cover quite a few Rails 3-specific topics. We also talk about domain page caching, Prowl, and MockSMTP.
This week we look into Cappuccino and Sprite. We also check out the MacRuby Debugger, Websockets with Cramp, Secure URLs, and Migrating to Rails 3.
Managing music with Ruby, Arid Cache, and Navvy are featured on this episode of Ruby5. Also, Growling your SQL, Hammertime, and Who's Online with Redis are also covered.
Nezumi, Churn, and Reservation are all covered in this episode. We also take a look at loading images in MacRuby and combining GeoKit and SearchLogic.
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