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Latest TypeScript posts
Inside SeaHack: 24 Hours to Build an AI Startup
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
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
TimescaleDB Course – PostgreSQL for Time-Series Data
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
Unlock the Power of AI Agents with the New Claude Certified Developer Foundations Course
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
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
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
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
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
Partnerships can keep open source sustainable
Ryan welcomes VoidZero’s Evan You and Cloudflare’s Dane Knecht back to the show to discuss Cloudflare’s recent acquisition of VoidZero and what it means for JavaScript development, how partnerships like theirs can help open-source projects stay maintained and sustainably monetized, and how…
Running Doom in TypeScript with Dimitri Mitropoulos
Doom has seemingly been ported to every electronic device imaginable, including picture frames, lamps, and coffee machines. The meme of “it runs Doom” has become so widespread that it spawned the r/itrunsdoom sub-Reddit. Recently, Doom made headlines again for being ported to TypeScript. The…
