Agile Ajax » ActionMailer Callbacks: In the Spirit of ActionController Filters » Pathfinder Development

Noel Rappin discusses ways to keep up with edge Rails.

There are many wonderful things about Rails and the Rails ecosystem. A clean, well-lighted path for keeping all your extensions up to date is not one of them.

Find conditions for scopes can be given either as an array (:conditions => ['state = ?', 'draft']) or a hash (:conditions => { 'state' => 'draft' }). The later is nicer to read, but has horrible security implications in some versions of Ru...

So this is the simulation that I use in my Agile Testing class, as well as in other contexts where I want to teach lessons about increasing Agility. The mechanics of the simulation itself are very general: the simulation models the organization of...

In specs, the session never persists but is always a new object for each request. Data put into the session in a previous request is lost. Here is how to circumvent that.

What's going on?

You are making ActionController::TestRequests in your...

Nice article to educate your non-geek girlfriend/boyfriend about the joys of programming.

Development environment setup

Rails Composer

Basically a comprehensive Rails Template. Prepares your development environment and lets you select web server, template engine, unit and integration ...

Rails middlewares are small code pieces that wrap requests to the application. The first middleware gets passed the request, invokes the next, and so on. Finally, the application is invoked, builds a response and passes it back to the last middlew...

Use Socket.gethostname. So for a machine whose hostname is "happycat", it will look like this:

>> Socket.gethostname
=> "happycat"

That should work right away for your Rails application. For plain Ruby, you first need to do:

requi...