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@freeCodeCamp

We're a community of millions of people who are learning math, programming, and computer science together. A 501(c)(3) public charity. Tweets by @abbeyrenn.

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freecodecamp.org

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freeCodeCamp.org
@freeCodeCamp
24m
For today's coding challenge, you'll get a string and you'll need to determine if it contains more digits, more letters, or if it's a digits-letters tie. See if you can solve it on the freeCodeCamp mobile app.
1
freeCodeCamp.org
@freeCodeCamp
52m
DevOps doesn’t fail because of tools. It often fails because of process, people, and small mistakes that compound over time. Here, @tolani_akintayo breaks down common issues like over-automation, weak collaboration, poor CI/CD design, and what to do instead.
2
freeCodeCamp.org
@freeCodeCamp
4h
NFC apps on iOS involve much more than just reading a tag. In this handbook, @Fasthecr3ator shows you how to build NFC features with React Native and CoreNFC. You'll learn all about NDEF, reading and writing tags, capacity limits, native Swift modules, and how to lock tags
4
freeCodeCamp.org
@freeCodeCamp
8h
A near-perfect ML model score can be misleading if your features already contain the answer. In this tutorial, @mkbadeniyi shows you how to detect hidden target leakage in public datasets with Python. You'll build a dependency graph, trace data lineage with BFS and DFS, and
4
freeCodeCamp.org
@freeCodeCamp
12h
Enterprise data can contain the answers you need, but it's often difficult to query effectively. In this book, Roni shows you how to build and evaluate a GraphRAG system with Python, Neo4j, and ServiceNow. You'll model CMDB data as a graph, build multiple retrieval strategies,
5