I have been working with dense tree structures recently, and rendering them using React. Trees lend themselves well to recursion, so I set about making a component that could render itself and all subsequent children with ease. I thought I was being mightily clever, until I tried to add some behaviour to my recursive component. Read on →

I recently discovered two new react development tools that have changed how I approach React component development: Storybook and styled-components. Read on →

Javascript decorators are a form of metaprogramming: they add functionality to classes and properties. Unlike the GoF pattern, where decorators modify instances of a class, Javascript decorators are run when the class, method, or property is installed, modifying all instances.

Decorators are useful for adding extra functionality to behaviours and properties that would otherwise look like boilerplate — such as cacheing, access control, logging, or instrumentation. Read on →

I was recently challenged to implement a least recently used (LRU) cache in javascript, which taxed both my object-oriented javascripting chops as well as my hazy memory of how to implement a linked list. Read on →

I recently discovered some new (to me) features of enums, and so naturally I am now using them for everything. One of these new-to-me features is using a constructor to give enum members properties and behaviour. Read on →

Some companies don’t allow their employees to use social media at work, and some countries don’t allow their citizens to access news outside of controlled outlets. How do these institutions control access to information that seems so available in other contexts? Through iptables. Read on →

While wading into the wide world of high throughput production Java, I have been enjoying guidance from “Java Concurrency in Practice” by Brian Goetz, as well as my friend and coworker, David Copeland. In a recent talk, David boiled down the range of concurrency problems to three main issues: atomicity, visibility, and ordering conflicts. Read on →