Focused on software development, sharing source code and tutorials for various systems.
The article reviews three free MySQL client alternatives—DBeaver, MySQL Workbench, and HeidiSQL—detailing their installation steps, supported databases, key features such as built‑in monitoring and ER diagrams, and why they can serve as practical replacements for the paid Navicat tool.
This article walks through the design and implementation of a complete seckill (flash‑sale) system built on SpringBoot, MyBatis, MySQL, RabbitMQ and Redis, covering double MD5 password hashing, distributed sessions, unified exception handling, caching strategies, memory flags, pre‑decrement inventory, asynchronous order processing, oversell prevention, and rate limiting, with code snippets and UI screenshots.
This article walks through extracting images from PDF files in a SpringBoot application and using Tess4j to perform OCR, comparing popular OCR libraries, showing configuration details, code snippets, and tips for improving accuracy and performance.
