A Plea for Client Library Instrumentation

The need to measure everything that moves in a distributed system or even simple web apps is becoming the basis for thorough monitoring of an application.

Form Objects with ActiveModel

When I built the billing process for Travis CI’s commercial offering, I decided to try out some new things to avoid callbacks in ActiveRecord models, including validations.

A Story About Queues in Four Acts

There are queues everywhere. This is the story of a few of them. The names of the queues are made up, but their story is real nonetheless.

September Reading List

Been a while since the last reading list (here’s a handy link, in case you’re looking for more to read). Time to remedy that. Disclaimer: All links below are Amazon affiliate links. You’ll be feeding my reading habit. Thank you in advance!