Terms starting with "R"
Relation Extraction
Identifying semantic relationships between entity mentions in text, such as works-for or located-in, and emitting them as typed triples.
4d ago
Knowledge Engineering advanced
Rust Generics
Generics let you write code parameterized over types, with compile-time type safety and zero runtime cost via monomorphization.
6d ago
Rust intermediate
Rust Module Visibility
Rust items are private to their module by default; pub and its scoped variants control exactly which other modules can reach them.
1w ago
Rust intermediate
Rust Unsafe Code
Unsafe blocks let you perform operations the borrow checker cannot verify, shifting memory-safety responsibility onto you.
2w ago
Rust advanced
Rust Smart Pointers (Box, Rc, Arc, RefCell)
2
Smart pointers wrap heap allocations with ownership semantics: Box owns one value, Rc/Arc share ownership, and RefCell adds runtime-checked interior mutability.
2w ago
Rust intermediate
Rust Ownership and Borrowing
1
Ownership gives each value one owner and borrowing lends temporary access, letting Rust guarantee memory safety without a garbage collector.
2w ago
Rust beginner
Rust Iterator Adapters
Iterator adapters are lazy combinators like map and filter that transform iterators without doing work until a consumer drives them.
2w ago
Rust intermediate
Rust Lifetime Annotations
Lifetime annotations tell Rust's borrow checker how long references must stay valid, preventing dangling references at compile time.
3w ago
Rust advanced
Rust Macro System
Rust macros generate code at compile time through declarative pattern matching or procedural token manipulation, not runtime text substitution.
3w ago
Rust advanced
Regex Escape Sequences
PHP 4.1+
Backslash sequences in regex that either match special characters literally or represent character classes, anchors, and control characters.
3w ago
Regex intermediate
Rust Error Handling with Result
1
Rust models recoverable errors as Result<T, E> values returned from functions, not thrown exceptions, with the ? operator for propagation.
3w ago
Rust beginner
Rust Pattern Matching
2
Rust's match and if let destructure values and enforce exhaustive handling of every variant at compile time.
3w ago
Rust intermediate
Rust Traits
2
Traits define shared behavior that types opt into explicitly, enabling polymorphism through composition rather than class inheritance.
3w ago
Rust intermediate
Rust async/await
2
Rust's async/await syntax builds state-machine futures that run on an executor, enabling concurrency without blocking OS threads.
3w ago
Rust advanced
Regex Conditional Patterns
PHP 4.0+
1
Conditional regex constructs like (?(1)yes|no) match different subpatterns depending on whether an earlier group captured.
3w ago
Regex advanced
Register Allocation
PHP 8.0+
5
A compiler back-end pass that maps an unbounded set of virtual registers (or IR variables) to a finite set of physical CPU registers.
3w ago
Compiler advanced
Regex Branch Reset Groups
1
A PCRE-specific construct (?|...) that resets capture group numbers across each alternative, so all branches share the same group indices.
2mo ago
Regex advanced
Reasoning Models & Test-Time Compute
A class of LLMs trained to allocate extra inference-time compute to internal reasoning before answering, achieving large gains on math, code, and logic at the cost of latency and tokens.
2mo ago
AI / ML intermediate
RLHF — Reinforcement Learning from Human Feedback
Post-training method where human preference rankings train a reward model that fine-tunes an LLM via reinforcement learning, aligning outputs with human preferences.
2mo ago
AI / ML advanced
Recursive Types
3.7 Types that reference themselves to describe arbitrarily nested structures — trees, nested menus, JSON, linked lists — without requiring any escape hatch.
2mo ago
TypeScript advanced