https://xyanrch1024.github.io/categories/tech/Recent content in Tech on xyanrch's BlogHugoenFri, 17 Jul 2026 15:00:00 +0800https://xyanrch1024.github.io/posts/overplus-optimization/Fri, 17 Jul 2026 15:00:00 +0800https://xyanrch1024.github.io/posts/overplus-optimization/Full-stack performance optimization for Overplus (a C++17 proxy server): global TCP DNS cache, SSL session reuse, buffer tuning, and log level demotion — 146 concurrent connections at just 25MB memory.https://xyanrch1024.github.io/posts/repl-design/Thu, 09 Jul 2026 16:00:00 +0800https://xyanrch1024.github.io/posts/repl-design/Designing an interactive Read-Eval-Print Loop for the kai scripting language — multi-line input, expression auto-printing, state persistence, and graceful error recovery.https://xyanrch1024.github.io/posts/kai-lang-frontend/Mon, 06 Jul 2026 15:00:00 +0800https://xyanrch1024.github.io/posts/kai-lang-frontend/From lexer and parser to bytecode compiler — building a Lua-like language frontend for a stack-based VM.https://xyanrch1024.github.io/posts/stack-vm-design/Mon, 06 Jul 2026 14:00:00 +0800https://xyanrch1024.github.io/posts/stack-vm-design/A deep dive into the design of a stack-based virtual machine, covering architecture, instruction set, execution model, and memory management.https://xyanrch1024.github.io/posts/deploy-hugo-blog-to-github-pages/Mon, 06 Jul 2026 11:30:00 +0800https://xyanrch1024.github.io/posts/deploy-hugo-blog-to-github-pages/A step-by-step guide to setting up a Hugo blog with automatic deployment to GitHub Pages using GitHub Actions.https://xyanrch1024.github.io/posts/my-first-post/Sun, 06 Jul 2025 11:26:47 +0800https://xyanrch1024.github.io/posts/my-first-post/My first blog post powered by Hugo and GitHub Pages.