技术综述、论文与代码解析、工程实践、创业周报、旅行笔记 —— Jianfei Guo（郭建非）的长期写作。https://longtimenohack.com/zh-cnhttps://longtimenohack.com/blog/weekly-2026-29/https://longtimenohack.com/blog/weekly-2026-29/周报复刊第一期：为什么停下，为什么重启；本周的技术思考、工程收获与生活状态。Mon, 13 Jul 2026 00:00:00 GMTweekly重启https://longtimenohack.com/blog/kitchen-sink/https://longtimenohack.com/blog/kitchen-sink/Every typographic and interactive component of longtimenohack in one page — callouts, code frames, math, figures, galleries, mermaid, excalidraw, video, live demos, paper cards.Wed, 01 Jul 2026 00:00:00 GMTmetacomponentshttps://longtimenohack.com/blog/3dgen/https://longtimenohack.com/blog/3dgen/A pedagogical multi-page survey of modern 3D asset generation — from 3D GANs and SDS distillation through multi-view diffusion, feed-forward LRMs, and native 3D latent diffusion (vecset & structured latents). For readers who know basic ML, NeRF, SDF, and a little about DMTet.Wed, 20 May 2026 00:00:00 GMT3d-generationdiffusionsurveyhttps://longtimenohack.com/blog/3dgs-compression/https://longtimenohack.com/blog/3dgs-compression/A pedagogical survey of 3D Gaussian Splatting compression methods from 2023 to May 2026. Pruning, quantization, SH, anchors, entropy coding, industry formats. Bilingual EN/CN.Sun, 12 Apr 2026 00:00:00 GMT3dgscompressionsurveyhttps://longtimenohack.com/blog/flash/https://longtimenohack.com/blog/flash/把 FLASH（GPU 原生可变形仿真，分钟级训练机器人折布）需要的每一块基础知识，从隐式积分讲到稀疏直接求解器 —— 为只有高数 / 线代 / 机器学习基础的读者。Sun, 08 Mar 2026 00:00:00 GMTsimulationphysicshttps://longtimenohack.com/blog/LoRA/https://longtimenohack.com/blog/LoRA/A pedagogical primer on Supervised Fine-Tuning and Low-Rank Adaptation, with 5 hand-rolled interactive demos. Written for readers with basic ML, calculus, and linear algebra.Sat, 14 Feb 2026 00:00:00 GMTllmfine-tuning