RSpec provides tools that help you test the behavior of your Ruby objects. Join Abiodun Olowode for a tour of mocks, stubs, and spies—and learn how to use them in your Ruby projects!

Can't decide which React component library to use? In this article, Omojola Samson evaluates ten of the most popular React component libraries. Material UI is the most popular by far.

Understanding memory management is a superpower that will help you design memory-efficient applications and make it easier to debug memory issues. Join Rupesh Mishra for a deep dive into the internals of CPython.

If you're finding performance bottlenecks with full-text search in your database, it may be time to switch to Elasticsearch. In this tutorial, Ianis introduces Elasticsearch and shows us how to implement an efficient search feature in Rails.

A version/environment manager is essential if you work with different Node.js versions—but which should you use? Ayooluwa Isaiah investigates the competing options.

Caching is essential for high-performance web apps; luckily, Python and Django provide excellent tools to help. In this article, Muhammed Ali walks through some popular caching techniques.

Containers are popular because they create a reproducible environment that you can deploy to production and run locally in development. However, containerizing a Rails app can be tricky—Jeff Morhous helps us navigate the pitfalls.

GraphQL is a solid alternative to a traditional REST API, and offering one to your users may be easier than you think. Follow along as Kevin Cunningham builds a GraphQL endpoint with Node.js and MongoDB!

Adding social logins to Laravel is easier than you think. In this article, Funke Faith Olasupo discusses OAuth and shows how to implement social login with Laravel Socialite.

PostgreSQL and MySQL are great for structuring data using relationships, but what if you don't always know the structure up-front? That's where `ActiveRecord::Store` really shines. It's like NoSQL, without changing databases.