Universe Engineering

Improving Browser Performance 10x

We improved the performance of the Universe.com homepage by more…

Building a Google Map in React

In this article I’m going to walk you through building a Google Map Component in React without a 3rd…

Introduction to Concurrency Models with Ruby. Part II

In the second part of our series we will take a…

Introduction to Concurrency Models with Ruby. Part I

In this first post, I would like to describe the differences between Processes, Threads, what the GIL is, EventMachine and Fibers in Ruby. When to use which of the models, which open-source projects use them, what the pros and cons are.

Batching – A powerful way to solve N+1 queries every Rubyist should know

In this post, I’m going to tell you about batching as a technique to help avoid N+1 queries, existing battle-tested tools like Haskell Haxl and JavaScript DataLoader, and how similar approaches can be used…

Why We’re Betting on GraphQL

Universe is betting big on GraphQL. We’ve been hard at work this quarter aiming to deliver a richly typed, documented, publicly available GraphQL interface into our existing event ticketing platform.

Mongo Aggregations in 5 Minutes

At Universe, we use Mongo as a primary data store for our events, users, sessions, and more. The documents we store in our collections tend to be mostly uniform attribute-wise. We model relationships using the standard relationship_id approach implemented by most ORM/ODMs…