24 courses across programming, web, databases, security, DevOps and data & AI.
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
Learn C from first principles: types and control flow, functions, then the part that makes C different — arrays, pointers and manual memory.
C · Systems Programming · Memory · Pointers
Output-based
Move from C to modern C++: references and const, RAII, polymorphism without surprises, templates, and what move semantics actually do.
C++ · RAII · Templates · Memory
Output-based
Query and shape data like a pro: SELECT, WHERE, JOINs, aggregates, schema design and transactions — with a working SQL console.
Output-based
Wire a frontend, an API, a database and auth into one deployable app — and predict what happens at every seam between them.
Full Stack · TypeScript · API · Authentication
Output-based
Ownership, borrowing and lifetimes, learned the way the borrow checker expects.
rust · ownership · borrowing · lifetimes
Output-based
Think like an attacker to defend like a pro: threats, passwords, phishing, network security, crypto essentials and incident response.
Output-based
Entity modelling, keys, normalisation to third normal form, constraints, indexing, and the judgement calls that come after the rules run out.
Database · SQL · Normalization · Schema Design
Output-based
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
Null safety, data classes and coroutines on the JVM.
kotlin · null-safety · data-classes · sealed-class
Output-based
Automate everything: version control, CI/CD pipelines, containers, cloud infrastructure, secrets management and observability.
Output-based
Complexity analysis, the core structures, and the patterns that solve most interview and production problems.
algorithms · data-structures · big-o · interview
Output-based