A couple of Railsconfs ago, Courtenay and I did indeed discuss
If you know Ruby and you want to write applications for Mac OS X or the iPhone, you’re in a great place to start! This concise and content-packed 80-minute screencast will teach you what you need to know to start programming in Objective-C.
ObjectiveResource is an Objective-C port of Ruby on Rails' ActiveResource. It provides a way to serialize objects to and from Rails' standard RESTful web-services (via XML or JSON) and handles much of the complexity involved with invoking web-services of any language from the iPhone.
Squirrel is an enhancement for ActiveRecord’s find method that allows programmers to query the database using a more Rubyish syntax.
Learn everything you need to know about Scaling your Rails app through 13 informative Screencasts produced by Gregg Pollack with the support of New Relic.
Noel Rappin discusses ways to keep up with edge Rails.
Pocket Informant for the iPhone doesn't just simply let you view your daily events but lets you really work with them. So many calendar or task applications are either too hard to use or too simple to be useful. Pocket Informant takes eight years of mobile experience and brings a fresh perspective to the iPhone user.
Until some future version of HTML gives us new native controls to use in a browser, at Google, we’ve been playing and experimenting with controls we call “custom buttons” in our apps (among other custom controls).
i keep looking for ways to help people 'get' REST. not URLs or HTTP Methods; but REST itself - in a nutshell. so here's a new angle i've started playing with: "REST Upside Down."
Once you start introducing partial updates, you open yourself for caching problems. doing partial updates means all cached copies of the original resource are now invalid.
I am a huge fan of SASS (Syntactically Awesome Stylesheets) for styling Rails applications. I have been using it on all of my projects for quite a while now and have developed some great techniques that make it much easier to organize, write, and read stylesheets in an application
PUT means update the resource with this entity, which tends means "overwrite". Now think for a moment about how that works for things like tags in a blog post - if I leave the tag out, am I saying remove it? Ignore it? Do I have to echo back all the data so it doesn't get scrubbed?
This guide will walk you through the I18n API and contains a tutorial how to internationalize a Rails application from the start.