Adding Simple Model Tests To Rails Errors are your friends, or perhaps, even better—your “frenemies.” They’re there to do a very useful job in letting you know not only that something didn’t work, but also, perhaps, why it didn’t work. Enter Test-Driven Development: your daily hangout with frenemies. In this…

Avoiding Unnecessary Database Storage When you create a backend API, it might feel like second-nature to persist any data you get from a 3rd party API that you want to use in your own app, and display on your frontend. External API ---> Your API ---> Your Frontend Take this…

Avoiding Unwanted Referential Equality with State Changes In a previous blog, which you can find here, I discussed some rerending issues that you might encounter if you have one piece of state in React depend on the change of another piece of state. In this blog, we’ll look at another…

A Quick How-to with the useHistory Hook If you are building an SPA (Single Page Application) with React, you probably are going to want to emulate page changes using react-router-dom. If you’re not on board with that, this blog might not be what you’re looking for.

Parasitic State Changes and Rendering With React Hooks like useState, you can work with different pieces of state in slices. This can be both wonderful OR a big headache requiring extra code, if you do not…

One Way To Do It Table of Contents I. A Quick Recap of Using Class Components for Controlled Forms In the “input” In the "handleChange" function Setting State Dynamically with “handleChange” Form Submission with “handleSubmit” II. A Non-Dynamic Controlled Form with React Hooks Handling State Separately Repackaging State in Submission III. A Dynamic Controlled Form with React Hooks One “useState” to Rule Them All!

Keys to Your Success For the run-of-the-mill Rails 6 API deployment steps, you can follow along with any number of Heroku deployment guides, or the official one by Heroku. Here I want to show you how to set up an API key for an external API, and how to to…

JavaScript Tips For Arrow Functions — Table of Contents Why is My Arrow Function Returning Undefined? Functions with { } Around the Function Body Require Explicit Returns…Even Arrow Functions When to Use ( ) => { } Instead of ( ) => ( ) Single-Term Parameter and Single-Line Return: Parentheses Optional Returning to Our returnGoodDogs Function …

My Experience Speeding Up ORM Methods for A Match Search I learned an important lesson recently while writing code that finds Lego sets you can build based on Lego sets you already own: Whenever possible, pass search results! The Problem Suppose you have a single match-search method you want to call, but…