Node.js Microservices from Scratch
Split a monolith into seven services without losing your weekends
Grace Ramirez
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Courses on the web, databases, the services behind them and data science — with a code playground in the browser and quizzes that check whether it stuck.
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MySQL for Application Developers
Schema design, indexing and the queries behind a real product
Kenji Watanabe
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Generative AI
Four levels, twelve lessons, from next-token prediction to a system you can ship
Lena Novak
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Rust: From Basics to Expert
Four levels, twelve lessons, every example compiled with warnings as errors
Lena Novak
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Go: From Basics to Expert
Four levels, twelve lessons, every example vetted and run on a real toolchain
Lena Novak
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6
courses on the shelf
64
lessons to work through
4
subject areas
6
languages that run in your browser
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Learn by doing, then prove it
Each module ends with a quiz. Questions are graded server-side and the correct answers never reach your browser until you submit, so the check is a real one.
Pick up where you stopped
Progress is tracked per lesson, including how far into a video you got. Close the tab mid-lesson and the player resumes from the same second.