Expressive Java & Fluent Interfaces
In this article I briefly explore Wealthfront’s extensive usage of expressive and fluent interfaces in Java such as Kawala, Guice, Mockito, and Guava. To the uninitiated, Java invokes parables of moronic XML, obtuse syntax, and Nile-like constructor calls. As a result, Java’s status as a living language is often questioned and it’s “uncoolness” is dogmatically… Read more
Using Monadic Rainbow Tables for Eventually Consistent Higher-Order Types
Just kidding. David made us Gin Fizz’s and Whiskey Sours at last night’s poker game. Delicious.
IRC bots for Laziness, Impatience, and Continuous Deployment
1988 was an epic year. Not only were the movies “Die Hard”, “Coming to America” and “The Naked Gun” released, but according to Wikipedia, IRC was invented. A tried-and-true technology, constantly reincarnated in similar (perhaps inferior?) forms, IRC is a superb communications hub for a company because it affords so many things: Everyone can chat… Read more
Trust, but Remind
Every engineering organization faces the problem of how to ensure that things are done right. At Wealthfront, our appoach is a safety net of extremely thorough automated testing that guides the engineer to do the right thing. Automation is consistent. It doesn’t skip a code review because we’re in a hurry. It doesn’t fail to… Read more
When Canvas doesn’t cut it: Raphael.js
This is a guest post by Benjamin van der Veen who worked with us to develop a fabulous charting library leveraging vector graphics. Ben is a software consultant specializing in interaction design and development with a focus on iOS, as well as web server and REST web service design. He lives in rainy Portland, Oregon,… Read more
Circular dependencies between entities
One question I am often asked is how to handle circular dependencies between Hibernate entities. Interestingly enough, the answer that people are usually looking for ends up being to a slightly different question; namely, how to handle circular dependencies between entities. Let’s have a look at an example. Consider two entities, Customer and Account, with… Read more