Instagram has over 500 million registered usernames. When a new user tries to register, the platform needs to answer one question almost instantly: has this...
Oluwaseyi Fatunmole - freecodecamp
Most apps eventually need to store and manipulate data. And if you're building with Firebase, that data lives in Firestore, Google's flexible, scalable NoSQL...
Caleb Mintoumba - freecodecamp
Product data is the record of what actually happens inside your app or website. It shows what your users do, how your system behaves, and how your business...
Obum - freecodecamp
Perhaps you can relate to this scenario: you've explained AI models four times using the same instructions this week. You've talked repeatedly about how your...
Sarvesh Talele - freecodecamp
The first thing many engineers want to do when they inherit legacy code is improve it. You find a function that's difficult to understand. Or you see...
Hugo Teijiz - freecodecamp
As a technical writer, building public-facing API documentation from scratch for a real product can feel like a dream come true, especially if you’ve only...
Gloria Tejuosho - freecodecamp
Thinking through API logic while constantly switching tabs to test application integration can be overwhelming and time-consuming. Well, you can save your...
jabo Landry - freecodecamp
Could there be a better way to welcome the new month than with a new collection of desktop wallpapers? Whether you’re holding tightly onto summer or eagerly awaiting autumn, we’ve...
Cosima Mielke - smashingmagazine