Store schema-less data in MySQL.

An ActionMailer delivery method to save mails as files in a directory.

So here’s an overview of how things are going to work in Rails 3.

Ambitious Query Indexer is a Rails plugin to identify database indexes that are missing. Rather than looking at tables and...

The Web of Data has many equivalent URIs.

A simple implementation of an Identity Mapper for Active Record.

They don't teach you this in college, but the fundamental theorem of the software industry is the idea that...

Next in our series on not shooting yourself in the foot: Doing a sudo shutdown -h now on the main...

Asset Fingerprint Plugin for Ruby on Rails - allows you to use md5 or timestamps in query string or in asset...

File upload solution that supports form roundtrips when a validation fails.

I asked other software entrepreneurs to share their stories of failure in the hope that we might save others from...

The Netty project is an effort to provide an asynchronous event-driven network application framework and tools for rapid development...

All ActiveRecord associations except for has_many :through support callbacks for pre- and post-insertion/deletion via the following, self...

Just assign the existing attachment to another record: new_photo = Photo.new new_photo.image = old_photo.image Paperclip will duplicate the file when saving...

This is more tricky than it should be because url_for, asset_path, etc. all rely on different mechanisms.