Trample is a more flexible load simulator. Instead of a static list of urls, trample's configuration language is ruby. Using ruby's blocks (lambda functions), it's possible to randomize the requests that get made in each thread, as well as the user that logs in.
Or, you can test your Rack application (or Sinatra, or Rails, or Merb) using arbitrary HTTP client libraries, to check interoperability.
Page Speed is an open-source Firefox/Firebug Add-on. Webmasters and web developers can use Page Speed to evaluate the performance of their web pages and to get suggestions on how to improve them.
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.
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
Hitler goes crazy when he learns his team has not been following the tenets of the agile manifesto.
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.
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.