Using Ruby’s Vector class, and some custom Rails methods The Types of Recommendation Systems There are 2 widely used systems to recommend products to customers, whether that product be physical goods like Amazon sells, television shows or movies like Netflix, or even other user’s profile pages like Facebook. Collaborative Filtering Collaborative filtering compares the likes, dislikes, and…

A Look at Functional vs Class Components with React Hooks — Nope. Thanks for reading! . . Oh I have to explain myself? Alright fine… Quick Background So when I first learned React, you had to make a choice when creating a component. You could create the component as a simple function that returns some JSX (hence its called a Functional Component), or…

Recently, I have been working on more analytical side of web development, and have really been trying to understand what drives different user behavior. Specifically, I have been focusing on one question that I find extremely interesting: “Which user action is more correlated to user retention at the 1–months and…

A detailed explanation of React’s system for reusing component logic Have you ever been working in a codebase or been watching a tutorial online and come across something that looks like this: export default withResponsive(Home) Well then you already have encountered a Higher Order Component whether you’ve realized it or…

Using Amplitude’s npm library Amplitude Amplitude is a data analytics startup that aims to make adding analytics to your web or mobile app simple and easy. It is a Y Combinator company and has backing from some major VC firms such as Sequoia. Due to its effectiveness and simplicity, they have…

How to use Redux’s useSelector and useDispatch hooks — Before reading this you should familiarize yourself with what Redux is and how to use it in React class components. Setup Start by creating a new react app. I’ll be using a package called Redux Toolkit to get the shell of the app set up quickly. If you’d like to do…

Redux Intro Redux is a state management tool for JavaScript, that makes it much simpler to maintain state in your application. It is especially useful in React applications because it lets you avoid the behavior of passing props down through many different child components until it reaches a deeply nested component that…

Introduction One of the nicest things about React’s component style of coding is the clear relationships defined between Parent and Child elements. Very often you will run into a scenario where a Parent component is responsible for rendering a Child component with different characteristics or display properties depending on some action…

When to use them and how to handle merging your code to master — When I was first learning to code, I would be the only engineer working on an app. …