This article describes a technique for overriding the equals method that preserves the contract of equals even when subclassses of concrete classes add new fields.

Asynchronous JavaScript and CSS, also known as CSSHttpRequest, is a method of URI-encoding data in 2KB chunks split over several CSS rules with a modified data URI scheme. Because CSS is not subject to the same-origin policy, no service proxy is required.

As a Typekit user, you’ll have access to our library of high-quality fonts. Just add a line of JavaScript to your markup, tell us what fonts you want to use, and then craft your pages the way you always have. Except now you’ll be able to use real fonts.

The catch comes when you look at the behavior, and you realize that there is hardly any behavior on these objects, making them little more than bags of getters and setters

Metric_fu is a set of rake tasks that make it easy to generate metrics reports. It uses Saikuro, Flog, Flay, Rcov, Reek, Roodi, Subversion, Git, and Rails built-in stats task to create a series of reports. It's designed to integrate easily with CruiseControl.rb by placing files in the Custom Build Artifacts folder.

A collection of useful utilities for Capistrano deployments

The Microsoft Internet Explorer Developer Toolbar provides a variety of tools for quickly creating, understanding, and troubleshooting Web pages.

Effortless backend interface for Ruby on Rails applications. (Admin scaffold generator.)

FeedTools is a simple Ruby library for handling rss, atom, and cdf parsing, generation, and translation as well as caching. It attempts to adhere to Postel’s law—i.e. a liberal parsing and conservative generation policy.

rFeedParser is a translation of Mark Pilgrim's Universal Feed Parser from Python into Ruby. It has nearly the exact same behavior.

So I thought it might be interesting to share with you the various stages of design the site went through before arriving at the finished design.

Wouldn’t it be cool if you could just require “http://my-host/my-lib.rb” in ruby?

If you’re working on some cool ruby console-based application or just want to add a little style to your script here is a nice gem for you. It’s called Rainbow and it extends ruby String class adding methods to wrap the string with ANSI escape codes.

Without intending to take anything away from Roy’s (valid) criticism on labeling, REST isn’t an all or nothing proposition. One can get significant value from partial adoption.

Most of the problems with cookies are due to breaking visibility,