Scrollable Grid with Just-in-Time Data Loading – Part 1: Using React Window

Say you have thousands (or even just hundreds) of rows of data to render. To provide a good experience for the user, you might not want to fetch all the data at once. Instead, you might want to fetch the first hundred, show those, then fetch the next hundred. Alternatively, you could fetch all the data at […]

Three Reasons to Switch to Angle Bracket Syntax in Ember Octane

Ember recently released a new set of features in what they’re calling the Octane edition. My teammate and I have started tinkering with new features to gain familiarity before upgrading our system to the new edition. One feature that has particularly caught my attention is angle bracket syntax—a new way of rendering Ember components that […]

Flexbox for Android – Creating a CenterFlowAdapter with FlexboxLayoutManager

When working with RecyclerView, our choices are limited to linear, grid, and staggered grid (unless you’re creating a custom layout manager). But what if we want something that works like a grid layout, but allows us to center rows or justify them as we like? That’s where a flexbox would work well. And it just […]

LocalStack + Terraform + CircleCI for Lambda without AWS

On my current project, we’re using LocalStack in lieu of AWS for development and test. In this post, I’ll walk through how we’ve set it up and what we can do with it.

How to Add Custom Functions to a Jest Test Suite

Jest is a fantastic testing framework. Of the many I’ve used across different platforms and languages, it’s the best by a landslide. Jest is fast to learn, easy to use, full of features out of the box, and simple to customize. One of the opportunities to customize your Jest test suite is to add custom […]

Don’t Eject! – Leave your Create React App in the Disc Drive

Create React App is the easiest and most available way to get into React. And ejecting your app is seen as the gateway to being a “Real React Developer.” I’m not normally for gatekeeping, but ejecting is worth avoiding. Today, I’m going to try and convince you to take your hand off the eject button. […]

Fifth Time’s the Charm – Debugging Ember Octane & Apollo

I recently worked through a seemingly-endless problem inside of a tech stack that I have little experience with. After about half a year inside of a different project that I knew everything about, this process felt pretty painful and frustrating. In fact, I had to experiment with a number of solutions before I found one […]

Restorable Randomness in a Redux App, Part 2 – Middleware & Reducers

Yesterday, I talked about getting started with adding restorable randomness to a Redux app. Today I’ll cover using the PRNG in “fat” reducers to isolate the presence of rngState from the majority of the code.

Restorable Randomness in a Redux App, Part 1 – Getting Started

This is the first post in a series about adding restorable randomness to a Redux app. In it, we will cover what I mean by restorable randomness, why you might want it, and some code to generate restorable random values.

How to Add a Timeout to Promises in Node.js

Even though Node.js has great out-of-the-box support for asynchronous programming and promises with its async/await syntax, it doesn’t include the ability to add a timeout to these promises. I had to deal with this on a recent React Native project while integrating with a third-party library. This library had a number of functions that were […]

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