I was recently working on a coding challenge of sorts in which the goal was to create a specific-sized grid and build three useable functions off of the grid. …

JavaScript has several built-in methods for “cleaning” strings that can be very useful for your frontend application. Since these methods are built in, they are accessible on any string as they live on the primitive String datatype (String.prototype). These methods are not unknown, but perhaps not often utilized. …

Lately I have been playing around with React’s Context API and exploring its use cases. Someone recently shared a very insightful blog article with me that takes a deep dive into why Context API is not a state management tool. I recommend reading the entire article but if you are…

In my last article I went over how to integrate JSON Web Tokens into the backend of your Rails application. That article can be found: JSON Web Token Integration in Rails In most applications you will likely have user accounts. And if you do, you certainly want to limit what a particular…dougschallmoser.medium.com In this article I will go over a simple integration of JSON Web Tokens with Node.js, specifically with Express. The request from the frontend will…

In most applications you will likely have user accounts. And if you do, you certainly want to limit what a particular user has access to. JSON Web Tokens is a popular method for providing user authorization across resources inside your application on the client-side. When you send a normal fetch…

In React there are many ways of sharing data throughout your application. You can pass data as a prop from a parent component to a child component. You can use a third-party library such as Redux to globally store data in a container of sorts. …

A recent software engineer coding interview question I was given was the following: Check if a given string can be rearranged to form a palindrome. Return true or false. A palindrome is a sequence of characters that reads the same backwards as it does forwards. So the question is asking…

If you built an app utilizing Rails ActionCable and you want to deploy it to Heroku, this short walkthrough is for you. In the “Trailblaze” app I built with React/Rails, I implemented ActionCable in order to have a real-time chat feature. Getting the chat feature to work using WebSockets and…

In order to secure sensitive information such as API keys from other people’s eyes, it is imperative that you hide them from your public repository. You do not want your keys visible in any of your public commits. …