Catalog
Structured paths. Open a lesson and you land in the IDE.
JavaScript Fundamentals
Build a competitive JavaScript foundation: from variables to APIs, then ship a final project.
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PHP Backend Path
Learn server-side PHP the way production apps actually work: requests, validation, and APIs.
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Python Essentials
Write clean Python for algorithms, automation, and interview-speed problem solving.
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SQL Arena
Query like a backend engineer. Joins, aggregates, duplicates, and performance instincts.
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