I have recently started playing with Amazon SimpleDB, part of the Amazon cloud computing offering, which is basically equivalent to Google Bigtable. Being a ruby enthusiast, I decided to use the right_aws gem from RightScale. The only problem, is that right_aws still does not support batch attribute insertion, which severely limit performances. Since I’m planning to use Amazon SDB for BayesFor, where we need performance, I implemented it. You can find the code in sdb_batchput.rb

Borg has been added to the Ruby Application Archive ( RAA ). Here you can find the RAA Borg Project page .

I’ve released a new version of RailTrackr that includes tag browsing capabilities. Watch this introductory video and play with it on www.railtrackr.com !

DevX.com has published my latest article, an introduction to OpenID and how to integrate OpenID authentication with Ruby on Rails 2.0. Read the full artile OpenID and Rails: Authentication 2.0 , or see my full list of articles for other topics.

RailTrackr is a brand new project I’m working on. It is a Rails that merges together rails 2.0 with Flickr APIs to provide a stunning visual experience to navigate Flickr photosets.

As you probably know, this site you’re looking at right now relies on the Borg platform . Since Borg is still in its very early stage of development, I’m starting to address some of its current limitations. For example, user comments are still missing, but you cannot enable user comments without some sort of protection from spambots. Therefore, here come captchas .