freeCodeCamp

How to Create Models in Your Django Project

Udemezue John |
If you're building something with Django, there's one thing you can't skip: creating models. Models are the heart of any Django app. They define how your data is structured, how it's stored in the database, and how Django can interact with it. Now, i...... read more

How to Harden Your Node.js APIs – Security Best Practices

Manish Shivanandhan |
If you’ve built an API with Node.js, chances are you’ve thought about security – at least a little. Maybe you’ve heard about SQL injection, brute force attacks, or data leaks. But here’s the thing: it’s not just about big hacks. Even small gaps in yo...... read more

How to Change Your Django Secret Key (Without Breaking Your App)

Udemezue John |
If you're working on a Django project, you've probably come across the SECRET_KEY in your settings file. It might seem like just another line of code, but it's one of the most important pieces of your project. SECRET_KEY keeps your app secure by sign...... read more

How UX and Marketing Are Saying the Same Things, Differently

Anamol Rajbhandari |
Could it be that the key to designing a great product experience might be hidden in a 60-year-old marketing playbook? Well, for years, marketing and user experience (UX) have been treated as separate worlds. Marketing grabs attention and drives sales...... read more

Code Your Own Llama 4 LLM from Scratch

Beau Carnes |
Large language models (LLMs) are at the forefront of modern artificial intelligence, enabling applications that can understand and generate human-like language. Meta's latest release, Llama 4, represents a significant advancement in this field, intro...... read more

How to Automate Information Gathering for Ethical Hackers — AutoRecon Tutorial

Manish Shivanandhan |
When you’re doing a penetration test, your first job is to understand the target. Before you touch a single exploit or send a single payload, you need to know what services are running, what ports are open, what technologies are in play, and where th...... read more

What Is Q in Django? (And Why It's Super Useful)

Udemezue John |
If you're working with Django and writing queries, chances are you’ve bumped into a situation where you need to combine filters in a way that’s just... not straightforward. Maybe you're trying to search for users with a username or an email that matc...... read more

How to Create an AI-Powered Bot that Can Post on Twitter/X

Arunachalam B |
These days, everyone wants to be a content creator. But it can be hard to find time to create and curate content, post on social media, build engagement, and grow your brand. And I’m not an exception to this. I wanted to create more content, and had ...... read more

All About JavaScript Arrays

Beau Carnes |
JavaScript arrays are one of the most essential tools in any developer’s toolkit. Whether you're managing lists of items, transforming data, or creating complex data pipelines, arrays play an important role in how we build and think about application...... read more

How to Change the Password of a Superuser in Django

Udemezue John |
Changing a superuser password in Django might sound like a big task, but it’s one of the easiest things to do once you know how. If you’re working on a Django project – whether it’s a hobby blog, a client’s website, or a bigger web application – mana...... read more