Rails is just an interface to the memcached?
Cache the Hell out Everything
90% API Requests — cache them
Read the Scaling Twitter.
Rails is just…
(Ruby & Rails) · 
(9,252 views)
Testing mailers with RSpec
(Ruby & Rails) · (18,478 views)
Unfortunately, RSpec does not provide helpers for testing mailers like TestUnit. But it is easy to add them to your application, and here you could find code snippet for testing mailers.
Using sub-queries to avoid multiple DB requests in Rails
(Ruby & Rails) · (11,853 views)
When I worked on Best Tech Videos with Alexey Kovyrin, we faced a problem of filtering videos by category with selecting posts categories in the same query. It was easy to solve the problem, but there is one query optimization trick exists.
Sphinx Search Engine 0.9.7, Ruby Client API 0.3.0
(MySQL, Ruby & Rails) · (12,962 views)
It’s happened! We all waited for Sphinx update and finally Andrew Aksyonoff has released version 0.9.7 of his wonderful search engine (who does not know about it, look my previous posts here and here).
CodeColorer updated to version 0.5.1
(WordPress) · (8,897 views)
Right after publishing my previous post about Wordpress plugins updates, I found that GeSHi library has been updated, therefor I have updated CodeColorer too.