Posts on xyanrch's Bloghttps://xyanrch1024.github.io/posts/Recent content in Posts on xyanrch's BlogHugoenSat, 18 Jul 2026 12:00:00 +0800Overplus Getting Started: Set Up Your Own Proxy in 5 Minuteshttps://xyanrch1024.github.io/posts/overplus-getting-started/Sat, 18 Jul 2026 12:00:00 +0800https://xyanrch1024.github.io/posts/overplus-getting-started/Step-by-step guide to set up your own proxy server with Overplus. One-click install script + Windows GUI client, up and running in 5 minutes.C++ Proxy Server Performance Optimization: From DNS Caching to TLS Session Reusehttps://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.When Nothing Goes Right, Look Withinhttps://xyanrch1024.github.io/posts/fan-qiu-zhu-ji/Wed, 15 Jul 2026 20:00:00 +0800https://xyanrch1024.github.io/posts/fan-qiu-zhu-ji/<p>When nothing goes right, the instinct is to avoid — but avoidance changes nothing.</p> <p>When you hit a wall, look within. Turn inward — that&rsquo;s where the way out begins.</p>随想https://xyanrch1024.github.io/posts/random-thoughts/Sat, 11 Jul 2026 12:00:00 +0800https://xyanrch1024.github.io/posts/random-thoughts/十年尘埃十年雪，百年树木仍长青。曾记年少青云志，不负韶光不负卿。Building a REPL for a Scripting Languagehttps://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.Building a Lua-like Language Frontend in C++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.Building a Stack-Based VM: Design Walkthroughhttps://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.Deploy Hugo Blog to GitHub Pageshttps://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.Hangzhou Travel Guidehttps://xyanrch1024.github.io/posts/hangzhou-travel-guide/Sat, 06 Sep 2025 12:30:00 +0800https://xyanrch1024.github.io/posts/hangzhou-travel-guide/A travel guide to Hangzhou, covering West Lake, Lingyin Temple, and local cuisine.Hello Worldhttps://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.