freeCodeCamp

How to Make Your GitHub Profile Stand Out

Chinaza Chukwunweike |
If you have a Github profile, you might overlook the many ways you can customize it – and that's completely understandable. After all, at its core, GitHub is a home for your code. But beyond repositor... read more

How to Use Context Hub (chub) to Build a Companion Relevance Engine

Nataraj Sundar |
Large language models can write code quickly, but they still misremember APIs, miss version-specific details, and forget what they learned at the end of a session. That is the problem Context Hub is t... read more

Why Chrome OS Is the Operating System the AI Era Was Built For

Christopher Galliart |
Chrome OS runs on a read-only filesystem. You can't install executables on the host. There's no traditional desktop environment. Everything that interacts with the underlying system does so through a... read more

How to Build Microservices-Based REST APIs for Healthcare Portals

Gopinath Karunanithi |
Microservices architecture enables healthcare portals to scale, secure sensitive data, and evolve rapidly. Using ASP.NET 10 and C#, you can build independent REST APIs for services like patients, appo... read more

How to friction-max your learning with software engineer Jessica Rose [Podcast #216]

Beau Carnes |
Today Quincy Larson interviews Jessica Rose. She's a dev and teacher who's worked on open data projects at Mozilla and lots of open source projects. We talk about: How the whole world is hard, and ho... read more

Shadow AI Explained: Why Employees Are Using AI Behind Your Back

Manish Shivanandhan |
A quiet shift is happening inside modern companies. It's not visible in dashboards. It's not tracked in logs. It's not approved by IT or security teams. Yet it's everywhere. Employees are using AI too... read more

Traditional Scraping vs AI Scraping: A Practical Guide for Developers and Data Teams

Joel Olawanle |
Enormous amounts of data are constantly generated on the open web. Product prices change, job listings go live and get taken down, news articles are published, and company information gets updated. Fo... read more

How Database Indexes Work – A Practical Guide with PostgreSQL Examples

iyiola |
Every developer eventually runs into a slow query. The table has grown from a few hundred rows to a few million, and what used to take milliseconds now takes seconds — or worse. The fix, more often th... read more

How to Streamline Search in Web Applications with Elasticsearch

Oluwatobi |
They say data is the new gold. But navigating through a large dataset to meet the demands of consumers in record time still gives backend devs a headache. Conventional database queries often aren't to... read more

How to Build an Open Source Data Lake for Batch Ingestion

Puneet Singh |
Creating a data platform has been made easier by cloud data analytics platforms like Databricks, Snowflake, and BigQuery. They offer excellent ramp-up and scaling options for small to mid-size teams.... read more