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.
Summer Break Is Supposed to Be Over, but I’m Still at Home
A casual summer break recap: delayed school reopening, a rebuilt forum, unfinished programming projects, too many bugs, a season of gaming, and a little bit of watching and reading.
Clean Shields.io Badges for Showing a Site Is Hosted on Tencent EdgeOne
Two practical Shields.io badge styles for marking a site as hosted on Tencent EdgeOne, using either the EdgeOne icon or the Tencent Cloud logo with Tencent Cloud’s Azure Radiance brand color.
Trying the Sunlogin C2 Smart Power Socket for Remote PC Startup
A hands-on look at using the Sunlogin C2 smart power socket to remotely start, shut down, schedule, and monitor an office PC for more convenient remote access.
Loose Reading Notes on JavaScript: The Good Parts
Reading notes on JavaScript fundamentals from The Good Parts, covering falsy values, typeof behavior, logical operators, and the four function invocation patterns that determine this.
Run the Android “Reader” Experience in a Browser with Docker
A practical guide to self-hosting the open-source Reader web app with Docker Compose, HTTPS reverse proxy, updates, removal, and book source imports.
Sun Wukong Returns to Flower-Fruit Mountain and Seizes His Golden-Banded Staff
Sun Wukong returns to Flower-Fruit Mountain, defeats the Demon King of Havoc, gathers weapons for his monkeys, takes the Golden-Banded Staff from the Eastern Sea Dragon Palace, and crosses the monkeys’ names out of the underworld’s register.
A More Mobile-Friendly Obsidian and Jekyll Writing Flow
An updated Obsidian and Jekyll workflow using QuickAdd to create YAML-ready blog posts, plus a DataviewJS snippet for displaying the latest posts inside Obsidian.
Solving the Line Number Copying Problem in SyntaxHighlighter Evolved
A practical look at fixing SyntaxHighlighter Evolved so copied WordPress code blocks do not include line numbers, while keeping the 2.x display style.