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freeCodeCamp.org

@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.
Just here on Earth... for now
freecodecamp.org
Joined August 2013
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  • user avatar
    freeCodeCamp.org
    @freeCodeCamp
    4h
    Connecting a Flutter app to physical devices means dealing with BLE permissions, connection states, and byte-level data. In this handbook, Nikheel shows you how to work with Bluetooth Low Energy in Flutter using flutter_blue_plus. You'll learn about scanning, GATT services,
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  • user avatar
    freeCodeCamp.org
    @freeCodeCamp
    7h
    Writing to a database and message queue separately can leave your system inconsistent when one operation fails. In this tutorial, @gkoos430 shows you how the transactional outbox pattern solves this dual-write problem in Node.js. You'll build a reliable event flow using
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  • user avatar
    freeCodeCamp.org
    @freeCodeCamp
    11h
    GitHub Actions workflows often have more permissions than they actually need. In this tutorial, @rufilboss shows you how to harden your workflows using least-privilege permissions. You'll learn how to scope access by job, separate read and write permissions, use OIDC for cloud
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  • user avatar
    freeCodeCamp.org
    @freeCodeCamp
    15h
    Inverting PDF colors can improve readability in low-light environments and help you preview alternative document designs. In this tutorial, @allinonetools shows you how to build a browser-based PDF color inverter with JavaScript. You'll learn how to manipulate colors, preview
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  • user avatar
    freeCodeCamp.org
    @freeCodeCamp
    19h
    It's time for the daily coding challenge! You'll get a string, and you'll need to determine whether the number of vowels in the first half is equal to the number of vowels in the second half. Check it out on the freeCodeCamp mobile app.
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