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We're a community of millions of people who are building new skills and getting new jobs together. A 501(c)(3) public charity. Tweets by @abbeyrenn.

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freeCodeCamp.org
@freeCodeCamp
58m
Product data shows what users do, how your system performs, and what's working or not. In this guide, @obumnwabude explains what you should track, from user events and performance to crashes and backend errors. You’ll also learn how to keep your tracking useful, consistent, and
freeCodeCamp.org
@freeCodeCamp
4h
Have you ever wondered how LLMs actually work? Well, there's both basic theory & modern techniques like RLHF (reinforcement learning from human feedback). Here, you'll learn how to train a tiny model, scaling up, RLHF, & more. freecodecamp.org/news/code-an-l…
1
freeCodeCamp.org
@freeCodeCamp
8h
AI coding agents get much more useful when they understand how your Flutter team actually works. In this handbook, @AtuohaA explains how agent skills can encode your architecture, naming, file organization, state management, testing, and more. You’ll also learn how to install
3
freeCodeCamp.org
@freeCodeCamp
12h
OpenTelemetry can seem complicated until you see how its pieces fit together. In this guide, @ChosenVincent1 walks through the full observability pipeline, from instrumentation and telemetry signals to traces and your backend. You’ll also learn when you actually need each
3
freeCodeCamp.org
@freeCodeCamp
16h
AI models ultimately run on physical hardware, and building that hardware is a huge engineering process. In this course, Kian traces an AI accelerator from semiconductor physics through rack-scale deployment. You’ll also learn how supply-chain constraints and geopolitics shape
3