Course Catalog

8 courses match your filters.

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Intermediate

React.js Fundamentals

Components, state and the rendering model behind React. Learn why a component is just a function, what a state snapshot really is, and how keys, effects and custom hooks fit together.

React · JSX · hooks · state

Output-based

4.7 1,520 185m Web Development
Intermediate

Java Programming Fundamentals

Objects and references, the String and generics model, the collections framework, exceptions, the Stream API and the concurrency essentials.

Java · Collections · Streams · Concurrency

Output-based

4.7 1,380 83m Programming
Beginner

Python Fundamentals

Master the essentials of Python — the world's most approachable programming language. From print statements to classes, 24 hands-on lessons with a real inline editor.

Output-based

4.6 1,240 125m Programming
Intermediate

Node.js & Express

The Node runtime, its event loop, and building a JSON API with Express — pinned to Node 22 and Express 5.

Node.js · Express · Event Loop · REST API

Output-based

4.6 1,240 249m Web Development
Intermediate

REST API Development

Design an HTTP API that survives contact with clients: resource-shaped URLs, methods that mean something, status codes a client can act on, versioning that does not break existing callers, and pagination that scales.

REST · API · HTTP · status-codes

Output-based

4.5 980 159m Web Development
Intermediate

Next.js Fundamentals

Routing, server components and rendering strategies in the Next.js App Router, pinned to Next.js 15.

Next.js · App Router · Server Components · Caching

Output-based

4.6 890 240m Web Development
Advanced

Advanced SQL

Window functions, CTEs, recursive queries and query tuning, taught as claims about rows rather than as syntax to memorise.

CTEs · Window Functions · Recursive Queries · Upserts

Output-based

4.8 860 240m Database
Beginner

PHP Fundamentals

The language behind a large share of the web: tags and types, PHP's one-array data structure, functions and scope, the request lifecycle, files and errors, and PDO.

PHP · Web · PDO · Sessions

Output-based

4.3 620 114m Programming
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