ZCY Technology Team (Zero), based in Hangzhou, is a growth-oriented team passionate about technology and craftsmanship. With around 500 members, we are building comprehensive engineering, project management, and talent development systems. We are committed to innovation and creating a cloud service ecosystem for government and enterprise procurement. We look forward to your joining us.
This article introduces graph databases as a NoSQL solution, explains property‑graph modeling, compares relational and document stores, evaluates several graph products, and details Dgraph’s architecture, indexing, query language, and real‑world business applications such as knowledge graphs and equity‑relationship analysis.
This article provides a comprehensive overview of RocketMQ, covering its origin, core concepts, component roles, cluster deployment architecture, workflow, feature details, persistence mechanisms, and cleanup policies, offering developers a solid foundation for using this high‑performance messaging middleware.
This article explains what GPT is, how it is trained, its strengths and limitations, the various risks it poses, and provides practical guidance on safely adopting large language models like ChatGPT within development teams, including code‑level analysis examples.
The article explains how combining quantitative surveys, qualitative analysis, and user interviews provides comprehensive, multidimensional insights that guide product design, innovation, and continuous improvement of user experience, emphasizing the broader scope of user research beyond simple interviews.
This article examines typical frontend development pitfalls—including numeric type quirks, precision loss, function length, object ordering, asynchronous timer inaccuracies, race conditions, CSS positioning, stacking contexts, performance bottlenecks, and compatibility concerns—providing explanations, code examples, and practical mitigation strategies for developers.
This article examines the limitations of BeanCopy for Java DTO mapping—such as inheritance handling, recursive copying, lack of complex type support, performance overhead, and opaque assignments—and demonstrates how MapStruct can address these issues with compile‑time generated, type‑safe mappers.
This article discusses the practical implementation of extracting table and field lineage information via the Spline REST API, analyzing API call frequency, server load tolerance, and the strategy of re-parsing lineage only when job versions change to optimize performance.
This article explains MySQL's four‑layer logical architecture, describes high‑performance read strategies, details data pages, buffer pool and LRU algorithm, and provides comprehensive guidance on index structures, optimization techniques, and best practices for improving query performance.
This article explains the definition, importance, and practical design guidelines for achieving idempotency in distributed systems, especially in financial and payment scenarios, by detailing key elements, principles, common pitfalls, and implementation patterns with code examples.
The LuBan low‑code visual page‑building system enables rapid creation and maintenance of government procurement, exhibition hall, and merchant storefront websites by reusing components and empowering product and operations staff, significantly improving delivery efficiency.
