This article details the background, technology selection, architecture, implementation, challenges, and optimizations of a financial video replay platform that records user interactions with rrweb on the frontend and stores data using MongoDB and MySQL on the backend to meet regulatory and debugging needs.
The article describes how a financial front‑end team identified manual project‑copying pain points, designed two automation tools—a project‑creation scaffolding and a generic packaging script—and details their architecture, implementation, and the resulting improvements in development efficiency and consistency across more than 260 projects.
This article explores how applying constraint‑driven design, rooted in Don Norman's psychology, can reshape financial numeric input controls by limiting data ranges, minimizing UI interference, supporting integer habits, and enabling rapid adjustments, ultimately improving efficiency and reducing errors.
This article recounts Ant Group’s journey from early database research to the large‑scale deployment of OceanBase, outlining three strategic questions, architectural evolution, unit‑based design, and multi‑city disaster‑recovery solutions that illustrate how self‑developed database technology can become a core product.
