Is it possible the Collatz conjecture only needs to be solved for odd numbers? — Don’t worry, I am not trying to prove the Collatz Conjecture (nope, nope, nope, — not going down that rabbit hole.) But I will be presenting an observation (my own conjecture.) What is the Collatz Conjecture? As a quick refresher, or introduction, let’s review what the Collatz Conjecture is. The simple and, as yet unproven…

More than just real-time voice and video — In today’s world of remote work and remote hiring, it is often hard, just on a video call, to interview a potential candidate effectively. Especially when it comes to technical interviews. Using google docs, and sharing correctly, you can create an effective method of asking questions, presenting information and allowing…

It’s about all keeping promises. — The .map() Method Of An Array The map() method creates a new array populated with the results of calling a provided function on every element in the calling array. The .map() method of an Array loops through each item in an Array and does whatever the function, callback function or Arrow function specifies. The result of…

Using a JavaScript Set with the Spread operator and JavaScript Array methods .map() and .sort() — The Problem To Be Solved If you look at the sample data below you will see the data we are working with and what we want to achieve (desired result.) We have a JavaScript Array which contains an Object for each of our friends. …

Get started using a React framework. — In this tutorial, we will examine: What Next.js is and how it is different from just React. What server-side rendering is. How to Bootstrap a Next.js application. The basics of creating routes. Using React components. The source code for this can be found on GitHub. Assumptions This tutorial does assume you…

React form state management without the useState() Hook. — In this tutorial, we will explore React form state management using React Final Form. React Final Form allows us to manage state without the need for the useEffect() hook. What is React Final Form? High performance subscription-based form state management for React React Final Form is a React wrapper for Final Form, which is that…

Get a local copy of your favorite JavaScript developer’s public code and run it on your local machine. — So you found the public GitHub account of your favorite JavaScript/React developer and want to run some of the examples in their repositories. Or a tutorial mentions “the complete solution can be found here.” Great. Now what? Cloning is done through the command ‘git clone’ and it is a process…

Create an account in the NPM registry, write some code for your package and publish — Have you ever wondered where those npm packages you install come from Well, wonder no longer, they come from developers like you! What We Will Do In this tutorial, we will create and publish to the NPM registry, an NPM package using the following steps. Create an NPM registry account. Write some code that…

Create, get(as list and rows), modify, add and remove data from an Array — PostgreSQL is an open source relational database that supports some amazing data types. In prior articles, we looked at performing CRUD-like operations on the jsonb data type as well as converting a jsonb array of objects in to a recordset for easy querying. What We Will Do In this article, I’d like to focus…