Finding the Convex Hull of a set of points is an interesting problem in computational geometry.

(tags: algorithms c++ graphics math)

The default configuration for running JRuby on Rails using GoldSpike only allows 4 instances of the JRuby runtime. This means that if there are more than 4 simultaneous requests from clients, the web server will respond with a server overloaded error.

(tags: jruby ruby rails rubyonrails java goldspike configuration scaling)

ason Hoffman from Joyent had a great tutorial at RailsConf Europe on Scaling a Rails Application from the Bottom Up. It defines the key terms and measurements of scaling and explains why scaling in essence have nothing to do with Rails.

(tags: architecture design mongrel performance rails scaling scalability rubyonrails ruby)

This tutorial will teach you how to create pretty looking textual buttons (with alternate pressed state) using CSS.

(tags: article button buttons css webdesign tutorial howto)

Magento is a new professional open-source eCommerce solution offering unprecedented flexibility and control. With Magento, never feel trapped in your eCommerce solution again.

(tags: application cms ecommerce opensource e-commerce php shopping)

(tags: database mysql optimization tuning symfony performance)

J-EAI is the first standard-based Open Source Applications Integration platform.

(tags: ejabberd erlang framework integration jabber messaging xmpp scalability scaling emb)

SQL Relay is a persistent database connection pooling, proxying and load balancing system for Unix and Linux.

(tags: caching cluster cache database sql mysql pooling proxy scalability tool)