Expected Behavior Blog

We're a team of friends who build awesome software together. We run Instrumental, a super duper high-scale server and application monitoring tool, and DocRaptor, an HTML-to-PDF conversion API. This blog is just random things we've learned along the way.

Dec 17, 2020

PurgeCSS Extractor for HAML

We’re using the Tailwind framework for the new DocRaptor marketing website. We’re also continuing to use HAML for our templating system.

The Tailwind library is an enormous 3MB so it uses PurgeCSS to remove unused CSS styles from your production CSS…

Expected Behavior

May 19, 2020

Phil Karlton famously noted that there are only two hard problems in Computer Science: cache invalidation and naming things. To this list, many have added off-by-one-errors. What happens when you decide to take on a…

Expected Behavior

May 15, 2020

Process at Expected Behavior

Covid-19: What’s Next?

Now that government restrictions are easing, what happens next?

By Matt Gordon

This is an internal memo written between April 21 and April 28. Some Behaviornauts asked to share it with friends…

Expected Behavior

Apr 29, 2020

How and Why We Pair

By Tony Dewan

Over the last few years, most of the product teams at Expected Behavior have…

I recently ran into difficulty creating obvious and readable tests for React components that indirectly rely on promises. I ended up with a handy workaround that allows both native asynchronous and test-friendly synchronous…

PurgeCSS Extractor for HAML

In Pursuit of Perfect Locking

Process at Expected Behavior

Covid-19: What’s Next?

Now that government restrictions are easing, what happens next?

How and Why We Pair

A simple strategy for separating personal and professional browsing

Visualizing Instrumental Data from the Command Line

Testing Promises Indirectly with Jest