Egor Orlov https://truehazker.com/blog Notes on AI agents, backend systems, and blockchain. en Skrrt, Full Time https://truehazker.com/blog/skrrt-full-time https://truehazker.com/blog/skrrt-full-time Fri, 28 Aug 2026 00:00:00 GMT After a year leading AI engineering at Alien, I'm on Skrrt full time: a product studio with a team I've shipped with, that checks the business before it builds and launches for one fixed price. RAIF: A Repairable Format for Structured LLM Output https://truehazker.com/blog/raif-structured-output https://truehazker.com/blog/raif-structured-output Thu, 16 Jul 2026 00:00:00 GMT RAIF is a self-repairing format for LLM output that uses about 10% fewer tokens than JSON on real function calls. It now runs in vLLM as a plugin. elysia-boilerplate: A Starter Template for Elysia APIs https://truehazker.com/blog/elysia-boilerplate https://truehazker.com/blog/elysia-boilerplate Thu, 11 Dec 2025 00:00:00 GMT What's in my Elysia.js API starter: Bun, PostgreSQL with Drizzle ORM and migrations, Pino logging, OpenAPI docs, Docker Compose, and a modular folder layout. Tron Eneji: Cutting USDT Transfer Fees on Tron https://truehazker.com/blog/tron-eneji https://truehazker.com/blog/tron-eneji Fri, 25 Jul 2025 00:00:00 GMT I built Tron Eneji solo in two weeks. It adds energy to your Tron wallet so a USDT transfer costs around $2 instead of $5-7 in burned TRX. Queue with History: A Rust Interview Problem https://truehazker.com/blog/unique-queue-history https://truehazker.com/blog/unique-queue-history Sat, 14 Jun 2025 00:00:00 GMT An interview problem in Rust: a queue that remembers the last N elements and reports only new ones. A naive O(n) VecDeque vs a VecDeque plus a HashMap of counts. Simplifying Request Validation in Axum with axum-validated-extractors https://truehazker.com/blog/axum-validated-extractors https://truehazker.com/blog/axum-validated-extractors Thu, 05 Jun 2025 00:00:00 GMT axum-validated-extractors v0.3.0 adds a generic Valid<E> wrapper that covers Path, and keeps Axum's own rejection status codes instead of flattening them. C23: What Changed in the C Standard https://truehazker.com/blog/c23-modern-c-revolution https://truehazker.com/blog/c23-modern-c-revolution Fri, 30 May 2025 00:00:00 GMT What C23 adds to C: constexpr, typeof and auto, nullptr, #embed, typed enums, standard attributes, <stdbit.h>, removed legacy features, and compiler support. Rust 1.87: std::io::pipe() vs the os_pipe Crate https://truehazker.com/blog/rust-native-anonymous-pipes https://truehazker.com/blog/rust-native-anonymous-pipes Wed, 28 May 2025 00:00:00 GMT Rust 1.87 adds std::io::pipe() for anonymous pipes. How it compares to the os_pipe crate, with before and after code and why it cuts dependencies. Time and Memory Complexity of Adding to an Array https://truehazker.com/blog/time-and-memory-complexity https://truehazker.com/blog/time-and-memory-complexity Fri, 23 May 2025 00:00:00 GMT An interview question on appending to an array: why a resize costs O(n), why appends are still amortized O(1), and how C, C++, Java, Python and JS compare. HTTP, TLS, TCP, UDP and QUIC: Notes After a Rough Interview https://truehazker.com/blog/network-protocols https://truehazker.com/blog/network-protocols Thu, 22 May 2025 00:00:00 GMT I fumbled a network protocols question in an interview. My notes on the TCP/IP layers, HTTP/1.1 vs 2 vs 3, SSL vs TLS, and how TCP, UDP and QUIC differ.