Build a Self
June 15, 2026 / #c …
Testing
freeCodeCamp's Terms of Service
These terms govern use of the website https://www.freecodecamp.org. To use the website, you must agr …
How the Mixture of Experts Architecture Works in AI Models
Artificial intelligence (AI) has seen remarkable advancements over the years, with AI models growing …
How AI is Changing the Way We Code
Something big is happening in the world of software development. In 2025, the way we write, read, an …
How to Use Classes in JavaScript – A Handbook for Beginners
Are you curious about classes in JavaScript but feel a little puzzled about how they work or why you …
How to Build an Automatic Knowledge Graph for Your Blog with PHP and JSON
When someone searches for information today, they increasingly turn to AI models like ChatGPT, Perpl …
freeCodeCamp.org Privacy Policy: Questions and Answers
We take your privacy seriously. And we give you full control over your data.Does freeCodeCamp collec …
How to Compress PDF Files in the Browser Using JavaScript (Step
PDF files are everywhere. From invoices and reports to résumés and documents, they’re one of the mos …
Claims Processing System
Infrastructure as code enables reproducible deployments. Terraform, CloudFormation, and similar tool …
What’s !important #13: @function, alpha(), CSS Wordle, and More
CSS functions, the alpha()function, Grid Lanes, some things about <dialog>that you might not k …
Beyond NVIDIA: Where the AI Infra Trade Actually Shows Up
The AI capex trade is usually discussed like one clean idea. Capex simply means capital expenditure, …
How to Build a Secure AI PR Reviewer with Claude, GitHub Actions, and JavaScript
When you work with GitHub Pull Requests, you're basically asking someone else to review your code an …
Bansidhar Kadiya
#JavaScript …
What is Shadow AI? The Hidden Risks and Challenges in Modern Organizations
Imagine this: a marketing manager uses ChatGPT to draft a personalized email campaign. Meanwhile, a …
How to Use AI Effectively in Your Dev Projects
“AI is not going to take your job – but a developer who knows how to use AI will.”I’ve seen this sta …
@function
Experimental:Check browser support before using this in production.The @functionat-rule defines CSS …
Key Technical Design Decisions for Building an Educational App with LLMs
June 3, 2026 / #ed …
How to Automate PDF Data Extraction Using Python
PDFs are still one of the most widely used document formats in business.Financial reports, invoices, …
How to Generate PDF Files in the Browser Using JavaScript (With a Real Invoice Example)
Generating PDF files is something most developers eventually need to do. Whether it’s invoices, repo …
How to Build a Calculator with Tkinter in Python
In this tutorial, you'll learn how to create a simple arithmetic calculator in Python with Tkinter. …