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 explains Maven dependency conflicts, their causes, resolution principles like path-nearest and declaration-first, and practical solutions including exclusions, optional dependencies, dependency management, and the Maven Helper plugin for analyzing and fixing jar version clashes.
This article explains the internal workflow of the Kubernetes informer package in client-go, covering its architecture, key components such as Reflector, DeltaFIFO, and Indexer, and provides a step‑by‑step code example that demonstrates how informers are created, registered, started, and used to handle watch events efficiently.
This article provides a comprehensive overview of the major language and runtime enhancements introduced in JDK 12 through JDK 17, covering switch expressions, micro‑benchmarking with JMH, class‑data sharing, garbage‑collector improvements, new String methods, hidden and sealed classes, records, and unified asynchronous logging, all illustrated with code examples.
The article walks through a detailed, real‑world scenario where a business analyst leverages a data middle platform—covering metric analysis, exploratory queries, data development, visualization, and productization—to diagnose a 30% sales decline and implement data‑driven remediation, illustrating core concepts such as OneData and OneService.
This article outlines the background, importance, scenarios, challenges, objectives, and architectural design—including RBAC and ABAC models, metadata integration, data classification, and verification mechanisms—of a comprehensive big data permission management system for secure and fine‑grained data access.
This article explains how to leverage MySQL 5.7's built‑in ngram full‑text parser to implement lightweight Chinese full‑text search, covering configuration, index creation, query modes, operator usage, and performance considerations.
This article explains what a finite state machine (FSM) is, illustrates it with a car transmission example, outlines its components and diagramming, discusses its technical pros and cons, explores business benefits, and examines how state machines relate to domain‑driven design.
This article introduces the self‑service data extraction platform developed by the Government Procurement Cloud, detailing its architecture, core modules such as self‑service extraction, data push, resource management, operation audit, permission controls, performance optimizations, and future development plans.
This article analyzes Elasticsearch shard imbalance incidents, explains the built‑in shard balancing algorithm and its configuration parameters, demonstrates weight calculations with source code, and proposes practical improvements—including shard count adjustments and a custom load‑aware balancing tool—to achieve more effective cluster load distribution.
This article introduces five reusable React component design patterns—Compound Component, Controlled Component, Custom Hook, Props Getters, and State Reducer—explaining their implementations, pros and cons, and suitable scenarios to help developers balance flexibility, complexity, and control in UI development.
