Hi there, Debugging FastAPI apps in VSCode often feels harder than it needs to be. Between uvicorn, browser requests, and vague errors, it’s enough to make anyone pull their hair out. In today’s video, I’ll show you how to set up the perfect debugging environment so you can find and squash those bugs like a pro. 🔥 Here’s what you’ll learn: How to set up a debugging configuration in VSCode that works seamlessly with FastAPI. Why breakpoints, logpoints, and conditional breakpoints are your...
14 days ago • 2 min read
Merry Christmas, everyone! 🎄 As the year wraps up, I just want to say a massive THANK YOU for all the support you’ve shown ArjanCodes in 2024. Together, we’ve hit an incredible milestone—260k subscribers! 🎉 This week, I’m hitting the pause button to spend some quality time with my family (and maybe eat a suspicious amount of cookies 🍪). That means no new video this week—but don’t worry, I’ve got big plans and exciting ideas for 2025. I can’t wait to dive into a new year of coding, learning,...
21 days ago • 2 min read
Hi there,Did you miss me dissecting, analyzing, and grilling your code? Well, the wait is over! ArjanCodes Code Roast is back! 🔥 In this week’s video, I’m diving into a project submitted by one of our community members: Tom Donahue’s Data Validator CLI. It’s a creative and ambitious project with some clever patterns—but also a prime example of how good intentions can lead to over-engineered code. Here’s what I tackled: ✅ Streamlining overly complex design patterns. ✅ Introducing unit tests to...
28 days ago • 2 min read
Hi there, Dependency management in Python just got a major upgrade. Say hello to uv, an insanely fast package installer and resolver built in Rust. In this week’s video, I’ll show you how uv works and why it’s a game-changer for Python developers. Imagine pip, but turbocharged: faster installs, quicker resolutions, and total compatibility with your current workflows. Here’s what you’ll learn: ✔️ Why uv outperforms pip ✔️ How to integrate uv into your projects today ✔️ The magic behind its...
about 1 month ago • 2 min read
Hi there, If you’ve ever wished Python was more like Rust when it comes to handling errors, I have good news! Well, almost. 😉 In this week’s video, I introduce the returns package—a functional programming library that handles errors without exceptions. The Maybe and Result containers make error handling smooth, while railway-oriented programming keeps your code on track. But before you dive in, there’s a catch: this approach can add complexity, and it’s not ideal for every project. Watch the...
about 1 month ago • 2 min read
Hi there, This week, I’m diving into a topic that’s causing a bit of a stir among software architects—gRPC! Many developers still lean heavily on REST, but gRPC is an exciting alternative, especially when speed and performance are top priorities. 🚀 In this week’s video, I’ll go through everything you need to know about gRPC and how it compares to REST. From HTTP/2 streaming and protocol buffers to its pros and caveats, this video is designed to help you decide whether gRPC has a place in your...
about 2 months ago • 3 min read
Hi there, Are you wrestling with VSCode and Python? 😩 This week’s video is a deep dive into setting up VSCode for Python development in a way that just makes sense. If you’ve been plagued by missing imports, mismatched Python versions, or pytest failing to find tests, this one’s for you. I’m sharing a streamlined setup that covers: Configuring Python paths and debugging options for a seamless coding experience. Essential VSCode extensions to make your workflow smooth and frustration-free....
about 2 months ago • 2 min read
Hi there, Tired of writing the same code over and over when building APIs? With SQLModel, you can define your database schema and your API models in a single place, saving tons of time and reducing errors. ⚡️ But beware—it’s important to avoid exposing sensitive data. In this week’s video, I break down exactly how to use SQLModel with FastAPI, and share a few key lessons on how to do it right. Watch the full video to level up your API game! 🎥Enjoy the video and happy coding! Cheers, Arjan #...
2 months ago • 2 min read
Hi there, Killing a product is tougher than it looks. It’s not just about pulling the plug, it’s about doing it right—for your users, your team, and yourself. In today’s video, I share 5 major lessons from shutting down my last SaaS product, and trust me, it wasn’t all smooth sailing. If you’ve ever had to make a tough choice between projects, or felt like your hard work wasn’t paying off, this one’s for you. I even share a mindset shift that helped me see “failure” differently—and it might...
2 months ago • 2 min read