big data management

Triple Empowerment of IoT, AI, and Encryption Technology! A New Paradigm for Smart Management and Supervision of Integrity in Fuel Stations (Part One)

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Triple Empowerment of IoT, AI, and Encryption Technology! A New Paradigm for Smart Management and Supervision of Integrity in Fuel Stations (Part One)

The construction of the finished oil circulation big data smart supervision platform, comprehensive supervision platform, smart comprehensive supervision platform for gas stations, tax data supervision platform for gas stations, comprehensive supervision platform for finished oil at gas stations, smart IoT management cloud platform for gas stations, smart supervision platform for finished oil circulation, and smart … Read more

Annular Piezoelectric Sensors: Achieving Precise Crimping, Data Management, and Traceability in Traditional Crimping Machines

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Annular Piezoelectric Sensors: Achieving Precise Crimping, Data Management, and Traceability in Traditional Crimping Machines

The WCPE200 series annular piezoelectric sensors developed and produced by Weiqin play a core role in the crimping force management solutions for crimping machines, enabling high-precision and traceable crimping processes. Before the introduction of piezoelectric sensors, the quality control of crimping in traditional crimping machines typically faced the following issues: indirect measurement, poor accuracy, lack … Read more

Comprehensive Support for Campus-Level IoT Applications and Services

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Comprehensive Support for Campus-Level IoT Applications and Services

With the continuous construction of campus information infrastructure, various intelligent sensing devices are becoming increasingly prevalent. The application of IoT technology has transitioned from pilot projects to large-scale implementation, becoming a significant driving force for the intelligent upgrade of campuses. The campus IoT builds a complete system of “comprehensive information perception, reliable data transmission, and … Read more

Active Metadata and Virtualization Federation

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Active Metadata and Virtualization Federation

Active Metadata: Not only records the structure and description of data but also can perceive, capture, and update changes in data in real-time, supporting automatic lineage tracking, impact analysis, and semantic understanding. It is like“the nervous system of data”, enabling the weaving platform to possess adaptive and intelligent capabilities. Virtualization Federation: Integrates distributed, multi-source heterogeneous … Read more

QT C++: Device Digital Management System (Data Report Module)

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QT C++: Device Digital Management System (Data Report Module)

To implement the Device Digital Management System (Data Report Module) using Qt C++, the design must be broken down from the perspectives of interface architecture, technology selection, functional modules, code structure, and interaction logic. Combined with the previous general scaffolding for development, the following is a detailed implementation plan: 1. Core Modules 2. Interface Architecture … Read more

Reflections on IoT Industry Applications: A Decade of Evolution and Future Outlook for the Power IoT

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Reflections on IoT Industry Applications: A Decade of Evolution and Future Outlook for the Power IoT

According to data from the State Grid, the State Grid system is expected to connect over 1 billion terminal devices by 2025, and this number will reach 2 billion by 2030. The power IoT has become the largest single IoT ecosystem in terms of connected devices, facilitating the transformation of the power system from a … Read more

Implementing a Simple Database in C Language

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Implementing a Simple Database in C Language

Follow “Coder Loves Learning“, and set it as a “Starred Official Account“ 1 Introduction to Simple Database A database is a collection of data organized, stored, and managed according to a specific structure. In embedded software development, if it is inconvenient to introduce a professional database but you want to manage some data conveniently, and … Read more

Why is .gdb Recommended Over .shp and .mdb for Vector Data in ArcGIS?

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Why is .gdb Recommended Over .shp and .mdb for Vector Data in ArcGIS?

In ArcGIS, vector data can be stored in various formats, such as .shp (Shapefile), .mdb (Microsoft Access Database), and .gdb (Geodatabase). Each format has its specific uses and advantages, but the Geodatabase (.gdb) format is generally recommended for the following reasons: 1. Higher Data Capacity and Performance Capacity: Shapefiles and MDB files have size limitations; … Read more

What Scenarios Support Dual NS in LoRaWAN Gateways?

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What Scenarios Support Dual NS in LoRaWAN Gateways?

LoRaWAN, as a widely used low-power wide-area network (LPWAN) technology in the Internet of Things (IoT) field, has become an important communication foundation in various industries such as smart cities, industrial automation, and environmental monitoring due to its advantages of long range, low power consumption, and wide coverage. In practical deployments, the dual NS (Network … Read more

Efficient Office Work with Python: Solving the Excel Row Splitting Challenge with Simple Code

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Efficient Office Work with Python: Solving the Excel Row Splitting Challenge with Simple Code

In data management within the e-commerce industry, it is often necessary to convert inventory data into a table with single entries. As shown in the figure below, if the quantity of “Huawei S5328C” is 6, it should be converted into 6 rows of identical data. Using basic Excel functions, this data conversion has become increasingly … Read more