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 the three main Maven dependency principles—shortest‑path priority, declaration order priority, and override priority—illustrates them with concrete examples and code snippets, describes common conflict errors, and outlines the complete Maven dependency loading workflow.
This comprehensive tutorial details the process of deploying a complete Hadoop-based big data ecosystem on ARM architecture, covering the installation and configuration of essential components including Java, Zookeeper, Hadoop, MySQL, Hive, and Spark with practical code examples.
This article presents a traffic‑driven quality assurance framework for an Elasticsearch‑based search service, detailing active and inactive code protection strategies, automated scenario generation from Dubbo logs, template fingerprinting, de‑duplication, expected result pools, and validation rules to ensure comprehensive test coverage and reliable regression.
This article explains why fields registered with rc-form may persist and continue to run validation when using functional custom components, analyzes the internal mechanisms of getFieldMeta, clearField, and saveRef, and shows that adding forwardRef support resolves the disappearance and validation issues.
This article explains what Redis bigkeys are, their impact on performance and memory, how they are generated, methods to detect and analyze them—including built‑in commands, SCAN, memory usage, and RDB file inspection—and practical steps to mitigate their effects.
This article provides a comprehensive guide to Kubernetes Gateway API, covering its evolution from Ingress, core concepts, resource types, configuration examples, role‑based design, cross‑namespace routing, and practical steps for installation, deployment, and management using Istio and other controllers.
This article explores architecture fundamentals, covering business architecture methodology, system architecture evolution from monolith to microservices, and technical strategies for reliability, scalability, performance, maintainability, security, and cost reduction, concluding with expression methods like the 4+1 view.
This article explains why Redis String types can consume excessive memory, examines the underlying Simple Dynamic String (SDS) structure and its three encoding modes, and demonstrates how using compressed lists (ziplist) and hash‑based storage can significantly reduce memory usage in backend applications.
This article describes how to abstract and improve DOM exposure tracking by first using a scroll listener with getBoundingClientRect and then refactoring to a more robust IntersectionObserver implementation, including code examples, configuration details, and compatibility considerations.
This article explains how to develop, package, and deploy custom Trino plugins—illustrated with an access‑control plugin—by using Java SPI, Maven dependencies, implementing the Plugin and SystemAccessControl interfaces, and configuring the plugin in Trino’s configuration files.
