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@freeCodeCamp

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

Joined August 2013

freeCodeCamp.org
@freeCodeCamp
17m
GPS can give wearables precise location and movement data, but that accuracy comes at a cost to battery life. In this guide, Shradha explains how GPS works in smartwatches and fitness trackers, and why it consumes so much power. You'll learn about positioning, GPS chipsets,
freeCodeCamp.org
@freeCodeCamp
4h
PDF editors don't have to rely on desktop software or cloud uploads. In this tutorial, @allinonetools shows you how to build a browser-based PDF Filter Studio with JavaScript. You'll create layered filters, apply preset effects, process selected pages, and generate a new PDF
freeCodeCamp.org
@freeCodeCamp
8h
AI agents that act on behalf of multiple users need more than tool calling. They need the right identity model. In this handbook, Saif shows you how to build an AI agent that securely uses per-user OAuth with Slack and GitHub. You'll implement OAuth flows, encrypt and store
freeCodeCamp.org
@freeCodeCamp
12h
You don't need to spend hours manually building, signing, and uploading your Flutter apps. In this handbook, @AtuohaA shows you how to automate Flutter releases with GitHub Actions and Fastlane. You'll build a production-ready CI/CD pipeline that securely manages signing keys,
freeCodeCamp.org
@freeCodeCamp
16h
Most AI teams rely on A/B tests to measure feature impact, but those don't always tell the full story. In this guide, Rudrendu explains how companies like Airbnb, Netflix, Lyft, and Uber use causal inference to evaluate AI features. You'll learn practical techniques like