Ben Mabey has Chef cookbooks most of this linked in the comments.

Playing with WebSockets in current-generation browsers through the web-socket-js Flash-based bridge.

Where there is frustration, there lies opportunity, perhaps. There's been frustration in this market for years.

The Ruby garbage collector’s behavior is controlled by a number of constants. In the MRI, these are compiled into Ruby itself, and don’t change. However, if you’re using REE you can override them with environment variables on startup.

Solr with Redis? Don't know how practical it is but it's cool nonetheless :-)

A toolkit for producing 8/16-bit style games with JavaScript and HTML5. Mobile Safari friendly.

Tobias' old post that's kind of a classic for cache invalidation strategy.

Detailed study, good discussion in comments of potential considerations and caveats.

Web Performance & Operations is an emerging discipline which requires incredible breadth, focusing less on specific technologies and more on how the entire system works together. While people often specialize on particular components, great engineers always think of that component in relation to the whole. The best engineers are able to fly to the 50,000 foot view and see the entire system in motion and then zoom in to microscopic levels and examine the tiny movements of an individual part.

Looks like the end-all messaging library.

Imports from AgileZen. $4.99