初心
Personal notes · RunningGump
把做过的事写清楚，把想通的理记下来。 Write down what I built. Keep the reasons I figured out.
耿泽浩的长期主页。记录爬虫、数据、工程实践与搭建过程中的具体问题——不为热闹，只为不丢初心。 Zehao Geng's long-term homepage. Notes on crawlers, data work, engineering practice, and the messy details of shipping—less noise, more 初心.
Writings
近期笔记 Recent notes
从终端复用、比赛复盘到爬虫与验证码——按时间排列的实践记录。 From terminal multiplexing and contest write-ups to crawlers and captchas—practice notes in chronological order.
Tmux的基本使用Getting Started with Tmux
Tmux是一个优秀的终端复用软件，可以在一个终端窗口中运行多个终端会话，并支持后台运行与按需接入。Tmux is a terminal multiplexer for running multiple sessions in one window, with detach/reattach when you need it.
住房月租金预测大数据赛总结Rental Price Prediction Contest Write-up
第一次参加数据分析比赛的复盘：流程、收获，以及改进后在 A 榜冲到第 3 名的模型尝试。A first data contest retrospective: the pipeline, lessons learned, and a model that later reached 3rd on leaderboard A.
成功解决在hexo中无法显示数学公式的问题Fixing Math Rendering in Hexo
Hexo 默认渲染数学公式容易出错；更换 Markdown 引擎并完成配置后恢复正常显示。Default Hexo math rendering often breaks; switching the Markdown engine and config fixed the formulas.
破解含语序问题的点击验证码Cracking Sequence Click Captchas
针对按语序点选汉字的验证码：YOLO 定位、切割、分类识别，再组成点击序列。For Chinese click-captchas in reading order: YOLO detection, cropping, classification, then building the click sequence.
体验活动的生命周期Exploring the Android Activity Lifecycle
通过小实验观察 Activity 四种状态与七个回调，弄清页面切换时系统如何调度。A small experiment on Activity states and the seven callbacks—how Android schedules screens as you navigate.