Belt and Suspenders: Safety and Trust in a Distributed System
Wealthfront is built on a traditional service-oriented architecture: requests from web browsers are dispatched to a cluster of Rails instances, which will in turn query back-end services. As a single page load might trigger tens of internal remote calls, it quickly becomes difficult to understand why a back-end service was called, who initiated the call,… Read more
Get thee to a nullery: self-aware nulls for testing
Pryce and Freeman’s Growing object-oriented software is a good practical guide to test driven development, as you’d expect from the authors of jMock. It isn’t necessarily easy to adapt piecemeal — introducing end-to-end tests after the fact would require a lot of rewriting and probably introduce more problems than it would be worth assuming you… Read more
Rating The April Fools’ Day Shenanigans
April Fools Rankings! Hey guys, I made a quick April Fools Ranking webapp on Google App Engine. It allows you to submit great April Fools’ sites (while you aren’t watching the new season of Game of Thrones) and rate them, and shows the leaderboards for best and worst pages. The ratings are based on a… Read more
Scrolling the Z-axis with CSS 3D Transforms
We recently decided to make a gimmicky appeal to designers in the hopes that they’d come talk to us. We knew we wanted to do something a little flashy and cutting edge, so CSS 3D Transforms seemed like a good place to start. Ultimately I decided I wanted a page that would allow users to… Read more
Interesting Reads
Have a great president’s day weekend! Gotta love R and ggplot2 http://serialized.net/2012/02/using-r-and-ggplot2-to-contemplate-relocation/ via @jbarratt Wealthfront Eng is hitting the road – If you’re in the Portland area and are interested in a continuous deployment tech talk, let us know! “What you think of oracle is even truer than you think it is”… Read more
Taco Friday
Catered lunch? Too easy. Ten foot six inch taco truck under a ten foot five inch roof? Challenge accepted.