Divide by zero. Professors discovers Infinity and Nan. JavaScript developers call it “most important re-discovery since AJAX”.
Step by step. If you’re doing any UI work, read Jakob Nielsen’s post on Progressive Disclosure.
Move that train. I’m not sure what the best approach is, but clearly Rails needs something better than engines.
How eBay scales to 1b pages/day. Pay close attention to slide 8. Start modest. Build more when you need it. Build more when you need that. There’s a reason why they can afford to be at version 4 by now. (PDF)
Scaling on the cheap. Quite often, if you focus on the problem instead of the solution, you won’t need that much hardware. Paul Tyma’s post on the architecture of Mailinator is a good read. Just don’t hire these people.
Chipping the web – double 5’s — Chip’s Quips