Rust Async Trap

The Rust Async Trap Everyone Steps On Once

It compiles. It runs. It even passes stress tests… until production catches fire. Let’s talk about that classic async Rust pitfall everyone hits.

January 15, 2026 · 5 min · 974 words · Rexai Programming
Rust Design Patterns Illustration

Rust Design Patterns: 3 Best Practices Senior Backend Engineers Always Use

Discover the Rust design patterns senior engineers swear by: Newtype pattern prevents invalid states, ownership design reflects system boundaries, enum error handling makes failures predictable. Master these Rust best practices to build rock-solid backend code and say goodbye to midnight incidents.

January 10, 2026 · 7 min · 1335 words · Dream Beast Programming
Terminal code, hinting at single-binary deployment

open-coreui: Turning Open WebUI into a Rust food truck

open-coreui is a lite rewrite of Open WebUI v0.6.32: original frontend, rust/actix-web backend, single-binary deployment without Docker/Python/Postgres/Redis.

December 25, 2025 · 5 min · 951 words · Rexai Programming

Rust mmap Memory-Mapped I/O: Why Reading Files Can Be as Fast as Accessing Memory

A plain-English guide to Rust mmap memory-mapped I/O. Why is it 5-10x faster than traditional Rust file reading? How does zero-copy achieve Rust performance optimization? This memmap2 hands-on tutorial uses real-life analogies to help you understand this seemingly mysterious low-level technology.

December 15, 2025 · 6 min · 1229 words · Rexai Programming
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