MySQL and SQL Fundamentals: A Complete Beginner’s Guide to Databases, DDL, DML, and DQL

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This article focuses on database fundamentals, the MySQL relational model, and core SQL syntax. It helps beginners clarify the differences between DDL, DML, and DQL and understand how to use each type of statement correctly. Keywords: MySQL, SQL, database. Technical Specifications Snapshot Parameter Description Primary Language SQL with Chinese explanations Database Type Relational database Representative … Read more

How TDengine IDMP Uses AI to Eliminate the Gap Between Industrial Data and Operational Insights

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TDengine IDMP uses AI-native capabilities to upgrade industrial data consumption from manual querying to proactive insight delivery. It addresses common industrial challenges such as high analysis barriers, rule-dependent anomaly detection, and slow insight generation. Core keywords: TDengine, Industrial AI, Time-Series Database. Technical Specification Snapshot Parameter Description Core Platform TDengine IDMP + TDengine TSDB Primary Language … Read more

SNK Cathode Copper Robotic Stripping System Explained: Dual-Line Automation, Dual-Row Suction Cups, and Adaptive Peeling

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This is a cathode copper robotic stripping system designed for copper electrorefining. Its core capabilities include dual-line parallel production, coordinated stripping with a peeling knife and dual-row suction cups, vision-based inspection and sorting, and MES data integration. It addresses the high labor intensity, quality instability, and high mother plate damage rates associated with manual stripping. … Read more

KingbaseES High Availability Architecture in Practice: KES Primary-Standby, Read/Write Splitting, and MPP Cluster Selection Guide

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This article focuses on the KingbaseES high availability stack, reframing three architecture options—KES primary-standby, read/write splitting, and MPP clusters—to address single points of failure, limited read scalability, and performance bottlenecks in large-scale analytics. Keywords: KingbaseES, high availability, read/write splitting. Technical Specification Snapshot Parameter Details Database / Ecosystem KingbaseES KES / KingbaseES Core Languages SQL, Java, … Read more

Linux IPC Explained: Anonymous Pipes, FIFOs, and System V Shared Memory, Message Queues, and Semaphores

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The core of Linux IPC is not simply “moving data.” It starts by making the same resource visible to multiple processes, then enabling data exchange, event notification, synchronization, and mutual exclusion. This article covers five mechanisms: anonymous pipes, named pipes, System V shared memory, message queues, and semaphores, to address process coordination, performance, and isolation. … Read more

Java Microservices Service Mesh in Practice: Build Reliable, Secure, and Observable Communication with Istio

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This article focuses on the core path for integrating Java microservices into a service mesh: using Istio to decouple traffic management, secure communication, and observability from business code, solving common pain points such as complex service calls, high release risk, and difficult troubleshooting. Keywords: Istio, service mesh, Java microservices. Technical Specifications at a Glance Parameter … Read more

How to Set Up an FTP Server on Windows Server 2022/2025: IIS, DNS, FTPS, and Troubleshooting Guide

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How to Set Up an FTP Server on Windows Server 2022/2025: IIS, DNS, FTPS, and Troubleshooting Guide This article focuses on IIS FTP deployment on Windows Server 2022/2025. It covers user creation, directory planning, permission control, DNS-based domain access, CMD validation, and FTPS expansion to solve the most common pain points: installing without configuring, connecting … Read more

Three.js in Practice: Building a 3D Earth Satellite Orbit Visualization Platform — Day 1 Architecture and Interaction

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This project uses Three.js to build an interactive 3D Earth satellite orbit visualization platform. Day 1 completes the core workflow: Earth scene construction, satellite rendering, orbit grouping, country/type filtering, and hover-click interactions. It addresses common challenges in front-end spatial visualization, including a steep 3D learning curve, cluttered orbit displays, and weak interaction feedback. Keywords: Three.js, … Read more

How to Use fluttertoast on OpenHarmony: Native Toast and FToast Explained

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fluttertoast is a widely used message prompt library for Flutter and now includes an OpenHarmony-compatible version. It provides both MethodChannel-based native Toast and Overlay-based FToast, helping solve common cross-platform issues such as inconsistent messaging capabilities, limited styling, and difficult queue management. Keywords: Flutter, OpenHarmony, fluttertoast Technical specification snapshot Parameter Details Language Dart / Flutter Platform … Read more

Flutter After the GetX Repository Incident: Risk Assessment, Containment, and Migration Paths

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This article examines the GetX repository incident, breaks down dependency risk in Flutter projects, and outlines both short-term containment measures and long-term migration paths. The core conclusion is: existing projects remain manageable in the short term, but teams should move toward dependency isolation and a more converged architecture over time. Keywords: GetX, Flutter, dependency governance. … Read more