One of the greatest joys of working at Chariot is having coworkers who are curious and eager to share their knowledge.
Backpressure Food for thought Very simply put, the idea behind backpressure is the ability to say "hey slow down!". Let's start with an example that has nothing to do with software: Imagine you own a factory that produces doughnuts (lucky you!) and just signed a contract with the largest grocery chain in the Northeast US. … Read More
SbtTestGrouping Running tests that use a HiveContext On our current project, we utilize Spark SQL and have several ScalaTest based suites which require a SparkContext and HiveContext. These are started before a suite runs and shut down after it completes via the BeforeAfterAll mixin trait. Unfortunately due to this bug (also see this related pull … Read More
SlickUUIDs UUIDs to the rescue I recently decided to change our primary key strategy from an auto-incrementing Long to UUID (aka globally unique IDs). Early on in a project, this should be a relatively simple refactoring (neither the software nor any data has been released yet). First of all and most importantly, UUIDs provide uniqueness … Read More
Hierarchical Queries Hierarchical Queries and Oracle Not everything is as fun as the first time you discover the power of monads and for-comprehensions, or realize the state machine you wrote with pattern matching is super easy to read and follow! Some days its business as usual, which as a software developer means you’re usually trying … Read More
Sujan Kapadia writes: “This year I’ve started going to the DataPhilly meetups, and I think I’m hooked. The bottom line is DataPhilly talks are very intriguing, expose you to topics you don’t encounter everyday, and give you the chance to meet “non-traditional” developers (scientists and statisticians), whose ranks are rapidly growing.”