computer science basics
What Is a Database? How Every App Remembers What You Do
Every like, swipe and purchase you make lands somewhere. So what is a database? It's that somewhere: an organized collection of data, built fo…
algorithms
Data Structures Explained: The 7 You Need and When to Use Each
Data structures, explained simply, are ways to store and organize information so a program can use it quickly. This guide covers the seven big one…
containers
Docker Explained: How Containers Make Software Run the Same Everywhere
Docker containers are sealed packages that hold an app together with everything it needs to run, so it behaves the same on your laptop, a teammate…
automation
What Is DevOps? How Teams Ship Software Fast Without Breaking It
What is DevOps? It's a way of working in which the people who build software and the people who run it share one goal and own the result toget…
caching
System Design Basics: How Apps Go from One Server to Millions of Users
System design is the big-picture plan for how servers, databases, caches and queues work together when lots of people use an app at once. These sy…
