A practical walkthrough of yt-dlp: installing it, understanding default format selection, choosing video and audio streams, common download commands, cookies, and proxies.

A detailed look at how Linux user-space memory mapping works, covering mm_struct, vm_area_struct, VMA management, malloc's brk and mmap paths, and mmap mapping types.

Reflecting on Yu Hua's To Live and a family's decision to donate their daughter's body, an essay on grief, impermanence, and the Buddhist idea of no coming, no going.

RocketMQ's push consumer looks like server-side push, but underneath it uses long polling and pull requests. It balances real-time delivery with backpressure through pull flow, request holding, and message-arrival notification.

Academic English becomes less convincing when it slips into contractions, slang, vague wording, or unsupported certainty. This piece explains twelve common register and style problems and shows how to revise them.

A hands-on look at the Windows 11 preview: rounded UI, centered taskbar, cleaner Start menu, improved built-in input method, and a few preview-build bugs.

A Beta product requirements document for Micro World, a CMS-based community that starts with targeted sharing and evolves into a platform for fan interaction and collaborative film creation.

A cache-backed BeanCopier utility that reuses copier instances by source and target class, avoiding repeated creation during frequent object mapping.

A personal look back at 2009, when a forum was shut down, hacked, and lost, and the rest of the year slipped by in gaming, travel, and quiet regret.

A C++ benchmark of 21 uppercase-to-lowercase routines comparing manual loops, strlwr, const-reference parameters, and GCC optimization settings.

A reflection on two acclaimed Chinese historical dramas, Ming Dynasty 1566 and Toward the Republic, and what their court politics, reform struggles, and lessons in restraint reveal about power and human nature.

A look at nineteenth-century Chinese maps of Suzhou and Jiangsu held in the British Library, from Zhao Xiang’s c.1860 waterway sheets to an 1835 official military drawing and an 1895 provincial atlas.

A walkthrough of building the classic Hello World in 16-bit assembly on Linux: install DOSBox, mount a tools directory as C:, assemble and link with MASM, and run the result, with the small snags explained along the way.

A practical guide to packaging Face_recognition face cropping and comparison as a Docker service, with API request examples, container commands, and offline deployment scripts.

A personal account of a 28-day, 7,439-kilometer motorcycle journey through seven provinces, including Sichuan, Tibet, Qinghai, and Gansu, along with the preparations and memories that brought the trip back to life.

A visit to Quanzhou becomes a meditation on string puppetry, stone streets, temple rituals, and the unseen hands that give a city its warmth.

A beginner's walkthrough of self-hosting the Friend-Link-House blog roll: forking and running it, swapping in your own RSS feeds, restyling the frontend, fixing an nginx root-vs-alias 503, and linking it from a Hexo homepage.

An Alibaba Cloud ECS security warning was traced to a WordPress vulnerability. The issue can be addressed by backing up and editing the relevant http.php file, then running the cloud security verification again.

A hands-on account of installing OpenWrt and the LuCI SSR Plus plugin on the GL-MT1300, including compatibility details, installation steps, package conflicts, and the device’s frustrating long-term reliability.

Linus Torvalds rejects a blanket ban on AI-generated Linux code, arguing that open-source projects should judge patches by their quality and review them on the same technical standards as human-written code.