How to Dockerize Your Application and Deploy It
A step-by-step guide to containerising a FastAPI application with Docker and deploying it to the cloud for consistent, production-ready delivery. Modern...
Manish Shivanandhan - freecodecamp
Development
UX
Combobox vs. Multiselect vs. Listbox: How To Choose The Right One
Combobox vs. Multi-Select vs. Listbox vs. Dual Listbox? How they are different, what purpose they serve, and how to choose the right one. Brought to you by Design Patterns For AI...
Vitaly Friedman - smashingmagazine
UI
Why Your UI Won’t Update: Debugging Stale Data and Caching in React Apps
Your UI doesn’t “randomly” refuse to update. In most cases, it’s rendering cached data, which is data that was saved somewhere so the app doesn’t have to do...
Oluwadamisi Samuel - freecodecamp
Mobile
How to Use Monorepos in Flutter
As Flutter applications grow beyond a single mobile app, teams quickly encounter a new class of problems. Shared business logic begins to be copied across...
Atuoha Anthony - freecodecamp
Other
How to Optimize PySpark Jobs: Real-World Scenarios for Understanding Logical Plans
In the world of big data, performance isn't just about bigger clusters – it's about smarter code. Spark is deceptively simple to write but notoriously...
Sameer Shukla - freecodecamp
How to Build a Production-Ready Feature Flag System with Next.js and Supabase
Feature flags are powerful tools that let you control which features are visible to users without deploying new code. They enable gradual rollouts, A/B...
David Aniebo - freecodecamp
Harvard CS50 2026 – Free Computer Science University Course
Harvard University's CS50 is one of the most popular beginner computer science courses in the world. We just released the entire 25-hour CS50 course on the...
Beau Carnes - freecodecamp
OpenClaw Full Tutorial for Beginners
The AI landscape has shifted in 2026 from passive chatbots to proactive autonomous agents, with OpenClaw leading the charge as the most viral open-source...
Beau Carnes - freecodecamp
How AOSP 16 Bluetooth Scanner Works: The Ultimate Guide
Ah, Bluetooth. The technology we all love to hate. It's like that one friend who's always just about to connect, but then... doesn't. For years, Android...
Nikheel Vishwas Savant - freecodecamp
How to Build and Deploy a LogAnalyzer Agent using LangChain
Modern systems generate huge volumes of logs. Application logs, server logs, and infrastructure logs often contain the first clues when something breaks. The...
Manish Shivanandhan - freecodecamp
How TCP Turns Round Trip Time and Jitter into Packet Loss
Have you ever noticed that your network connection sometimes feels fast and then suddenly slow, even when nothing obvious has changed? A request that takes 20...
Syeda Maham Fahim - freecodecamp
CSS <code>@scope</code>: An Alternative To Naming Conventions And Heavy Abstractions
Prescriptive class name conventions are no longer enough to keep CSS maintainable in a world of increasingly complex interfaces. Can the new `@scope` rule finally give developers...
Blake Lundquist - smashingmagazine