rust

Learn why Rust requires query lifetimes to outlive HashMap lifetimes in rust programming. Understand rust borrow checker behavior and implicit lifetime bounds.

Learn how to resolve Rust borrowing conflicts when accessing different struct fields with mutable and immutable references. Explore splitting borrows, reborrow idioms, and alternative solutions.

Optimize Kafka producers and consumers with librdkafka/rdkafka in Rust for max throughput on small JSON messages. Tune batching, compression, memory limits, and backpressure to handle tens of GB/hour without crashes.

Fix 'expected DateTime, found DateTime' error converting chrono::DateTime to BSON DateTime in Rust with mongodb 3.4.1. Add bson crate with chrono-0_4, use from_chrono() or Into for rust chrono, rust mongodb serialization.

Learn how to compare a u16 value to a #[repr(u16)] Rust enum variant like packet types from devices. Use casting with 'as u16', pattern matching, or TryFrom for idiomatic, safe comparisons without PartialEq errors.

Learn to upsample time-series gaps in Polars Rust to exact 5-minute intervals using date_range, vstack, and forward fill. Preserve non-aligned timestamps like 00:05:17 without replacement. Rust code examples for sensors data.

Two-step offline Rust installer on Windows: one online bundle with rustup, toolchains and crates; one silent offline install to set up rustup, cargo and PATH.

Compare C++ vs Rust future prospects, performance, memory safety, ecosystem, jobs. C++ remains dominant with vast ecosystem; Rust grows in safety-critical areas. Learn C++ for broad jobs, Rust for modern systems and long-term edge.

Compare Rust performance vs JS/TS binaries (Bun, Deno) for backend API servers: throughput, latency, CPU/memory, concurrency stability. Benchmarks show Rust edges in predictability; JS/TS viable for fast development.