Languages

Core Bash syntax for variables, quoting, conditionals, loops, functions, and shell safety.

Core Dart syntax for variables, functions, and null safety.

Core Elixir syntax for immutability, pattern matching, lists, maps, pipes, and processes.

Core Erlang syntax for modules, atoms, lists, pattern matching, case, and funs.

Core Groovy syntax for coercion, GStrings, closures, lists, maps, and classes.

Core Haskell syntax for functions, types, lists, pattern matching, algebraic data types, and type classes.

Core Java syntax for variables, classes, collections, and modern features.

Practical reference for variables, functions, arrays/objects, and async patterns in JavaScript.

Practical Python syntax for data types, functions, classes, and everyday tooling.

Core Ruby syntax for variables, collections, methods, classes, blocks, and Enumerable.

Core Rust syntax, ownership, structs, enums, error handling, and concurrency.

Core Scala syntax for val/var, classes, case classes, pattern matching, Option, and collections.

Core Swift syntax for optionals, collections, protocols, structs/classes, and concurrency.

Practical reference for types, interfaces, generics, and type narrowing in TypeScript.