How to Build a Reliable AI Assistant with the Claude API
Large language models can answer questions, summarise documents, write code, and interact with external systems. But building a reliable AI application requires more than sending a prompt and displayi Fuente: Artículo original
Python Algorithmic Trading with SnapTrade, Massive, Alpaca
We just published a comprehensive, hands-on video course on the freeCodeCamp.org YouTube channel that will teach you how to build an automated, end-to-end algorithmic trading system from scratch using Fuente: Artículo original
How to Level Up Your Portfolio in the AI Era: From Technical Writer to Developer Educator
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 Fuente: Artículo original
How Executable Operational Specifications Can Make Software Automation Verifiable
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 Fuente: Artículo original
Inside a Hong Kong Hackathon [Full freeCodeCamp Documentary]
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 Fuente: Artículo original
How to Build a Dart Package Analytics Tool with the pub.dev API: Beyond the 30-Day Window
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 Fuente: Artículo original
Why You Should Never Embed Your Gemini API Key in Client Code (And How Firebase AI Logic Fixes It)
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 Fuente: Artículo original
How to Port a Jekyll Blog Theme to Python: Lessons From Actually Doing It
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 Fuente: Artículo original
The iOS NFC Handbook: How to Read, Write and Lock NFC Tags with React Native
Hold an iPhone near a sticker and something happens. A business card lands in your contacts, a focus session ends, or a door opens. The chip costs about twenty pence and holds roughly a hundred and th Fuente: Artículo original
How to Detect Hidden Target Leakage in Public Datasets with Python and a Dependency Graph
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 Fuente: Artículo original