A popular library used in GraphQL implementations is called DataLoader, and in many ways the name is somewhat descriptive of its purpose. As described in the JavaScript repo for the Node.js implementation for GraphQL “DataLoader is a generic utility to be used as part of your application’s data fetching layer to provide a simplified and... Continue reading →

The Single Responsibility Principle (SRP) states that a class or module should have only one reason to change. It emphasizes the importance of keeping modules or components focused on a single task, reducing their complexity, and increasing maintainability. SRP defined. In GraphQL API development the importance, and need, of maintaining code quality and scalability is... Continue reading →

Over the years I’ve used Express.js many times as a quick getting started example app. Since I often reference it I wanted to provide a short post that shows exactly what I do 99.9% of the time to start one of these quick Express.js reference apps. I’ve detailed in this post how to get started... Continue reading →

The last post in this series is Distributed Database Things to Know: Consistent Hashing. Let’s talk about the analogy of Apache Cassandra Datacenter & Racks to actual datacenter and racks. I kind of enjoy the use of the terms datacenter and racks to describe architectural elements of Cassandra. However, as time moves on the relationship... Continue reading →

UPDATED: April 4th, 2019, March 17th, 2022, and again on November 18th, 2024. It seems every few months setup of whatever tech stack is always tweaked a bit. This is a collection of information I used to setup my box recently. First off, for the development box I always use nvm as it is routine... Continue reading →