A Lightweight WeChat QR Login API in PHP
A PHP implementation of a lightweight WeChat QR-code login API, including QR-code creation, OpenID retrieval, usage parameters, and security caveats.
My First Apple Device Ended Up Being a Gold M1 MacBook Air
A personal account of buying a first Apple device: selling a Lenovo Yoga 14s, choosing between the M1 MacBook Air and Pro, and living with a gold 8GB + 256GB MacBook Air for the first few days.
Fixing Air Playit crashes on Android 4.0 when adding a server
A practical workaround for Air Playit 0.9.1 crashing on Android 4.0 when adding a server, using a BusyBox script to temporarily remove IPv6 from the Wi-Fi interface.
How Websites Actually Make Money
An overview of the main website monetization models, including advertising, memberships and paid content, and selling products or services online.
Building a Small Three.js Scene: Shadows, Animation, and Speed Controls
A hands-on Three.js walkthrough that starts with a basic scene, then adds shadows, animation with requestAnimationFrame, FPS stats, and interactive speed controls using dat.GUI.
Building a Front-End Error Logging and Monitoring Pipeline
A practical guide to front-end exception logging and monitoring, covering active instrumentation, try..catch, window.onerror, cross-origin Script error issues, minified code location, sampling, alert rules, and actionable error messages.
Learning to Live With the Shift
A personal reflection on parents spending their life savings to support adult children, the pressure of buying a home, and the difficult adjustment as family roles begin to reverse.
A Few Notes After Setting Up the Beiqi B321 Digital Piano
Hands-on notes after assembling and testing the Beiqi B321 digital piano, including setup, Bluetooth mini-program issues, key feel, sound, speaker placement, and app features.
Understanding PO, VO, BO, DTO, POJO, and DAO in Java
A clear explanation of common Java object types and layers, including PO, VO, BO, DTO, POJO, and DAO, with their roles in persistence, data transfer, and business logic.
2022 Is Not Going to Be 2020 Too
A personal year-end reflection on 2021: school, work in Shanghai, a credit card fraud scare, networking projects, Nix, FRC, amateur radio, a trip to Changsha, and gratitude for friends.