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Until recently, building a technical writing portfolio could be as simple as creating a website, adding a list of articles, describing your writing experience, and linking to your social profiles. Tha ...

We just published a new documentary-style video on the freeCodeCamp channel that takes you behind the scenes of a high-energy 24-hour hackathon. Quincy Larson traveled to Hong Kong to serve as a judge ...

Modern software systems are increasingly automated. We automate deployments, infrastructure changes, scaling, incident response, and data pipelines. And now, with AI agents, we are starting to automat ...

Managing massive, rapidly growing datasets efficiently is a critical skill for modern developers. Whether you are tracking API request logs, monitoring IoT fleet telemetry, or building dashboards for ...

Are you a software engineer looking to master building production-ready AI applications and agentic workflows? We've just published a brand new, comprehensive course on the freeCodeCamp.org YouTube ch ...

When I published my package on pub.dev, the first few days were exciting as the number of downloads climbed. 201 downloads in a few days! Then something strange happened. The number dropped: 120, then ...

I've been following a tufte-jekyll styled blog for a couple of years and that led me to discover Edward Tufte's book layout. Edward Tufte is renowned for his work on data visualization and information ...

The explosion of generative AI has pushed thousands of web developers to add intelligent features to their apps. The first instinct is usually to call the Gemini API's SDK directly from the browser. T ...

Somewhere in your company's ServiceNow instance is the answer to the question an engineer asks at two in the morning: if this is broken, what else is about to break? Every fact needed to answer it has ...

Some time ago, I gave a machine learning model five columns from a public CDC dataset and asked it to predict a sixth column from the same file. The model scored an R² of 0.998, which is about as clos ...