Source | 51CTO What is edge computing? How does it differ from traditional cloud computing services? When might edge computing be the right choice for businesses? Edge computing is a form of cloud computing, but unlike traditional cloud computing architectures that centralize computing and storage in a single data center, edge computing pushes computing or … Read more
Introduction to MQTT MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol based on the publish/subscribe model, designed for low-bandwidth, high-latency, or unreliable network environments. It is widely used in the Internet of Things (IoT), mobile applications, and distributed systems to enable efficient communication between devices. By reducing data transmission volume and simplifying communication … Read more
Learn Assembly Language / Comprehensive Review 3, 5, 7, and 8 are programming question sources. The compulsory exam format at our Nanchang campus consists of 20 points for multiple choice, 30 points for short answers, and 50 points for programming. You can find the PDF version of this article in the group files or database. … Read more
Python Basics: Unpacking • Learning Objectives 🎯 • Master<span>basic unpacking</span>, <span>extended unpacking</span>, <span>dictionary unpacking</span>, and other operations • Understand the operation of<span>function parameter unpacking</span> • Comprehend its practical applications in data processing 1. Knowledge Points Detailed 📚 1.1 Basic Concept of Unpacking Unpacking is a powerful and practical feature in Python that allows us to … Read more
Hello everyone! Today we will discuss how to effectively use C++ exception handling in Excel data processing. 1. Why is Exception Handling Necessary? Imagine you are importing a 500MB Excel file and suddenly discover that the file is corrupted—an application without exception handling would crash directly, while one with exception handling can gracefully inform the … Read more
Source | IoT Home Due to the technical advantages of edge computing, it has received significant attention in the industrial sector. Currently, the most innovative companies are deploying edge intelligent IoT. Grand View Research (a U.S. consulting firm) predicts that by 2027, the market value of edge computing will reach $43.4 billion, with an annual … Read more
SQL: create table School # Create table( `SchoolId` char(5) NOT NULL comment 'Primary key, school number', # Manually input, can also be designed to auto-increment, 5 characters, numeric, or a combination of numeric and characters, with code restrictions when saving data in text. `SchoolName` nvarchar(500) NOT NULL DEFAULT '' comment 'School name', `SchoolTelNo` varchar(8) NULL … Read more
Edge AI video terminals implement complex video data analysis functions in various edge environments (such as factories, power plants, and parks). They do not rely on cloud servers and can process video streams from multiple cameras in real-time, performing tasks such as object recognition and behavior analysis. Below, I will explain step by step from … Read more
A distributed sensor network (hereinafter referred to as a distributed sensor network) consists of a series of sensors connected via the Internet. These sensors can be embedded in an integrated circuit device, capable of collecting signals, processing signals, communicating with each other, and performing simple computational tasks. Sensors are arranged in different environments, and the … Read more
PLC controllers, also known as Programmable Logic Controllers, are electronic devices designed specifically for digital computation operations in industrial production. Why is the PLC controller considered the core force of industrial control systems? Because it can achieve various controls and connect to computers for communication. What control functions can the PLC controller achieve? There are … Read more