Follow the Embedded Learning Station for fresh updates every day. đ¤ Tips: This article has a total of 1828 words and an estimated reading time of 11 minutes~ Get the complete set of materials for the development board for free Follow this public account âEmbedded Learning Stationâ Reply with âMP157â to get the complete materials … Read more
Click the above âBeginner Learning Visualsâ, choose to add “star” or “top” Heavyweight content delivered first time How does C++ transform code into games? Well. It’s simple. Since you asked about C++, let me ask you, now, I have a<span>Student</span> class. How does C++ create an object of the student class? // Well, I can! … Read more
Overview The author has always had an idea to create a powerful desktop tool that integrates various tools needed for development, such as: serial port assistant, network assistant, download tools, etc. However, this raises several questions: Question 1: How to present it on the desktop is also a very important issue — desktop floating window. … Read more
In the era of the Internet of Everything, IoT technology is changing our lives and work methods at an unprecedented speed. From smart homes to industrial automation, from smart transportation to remote healthcare, the presence of IoT is everywhere. Behind this, the MQTT protocol plays a key role as an important cornerstone of IoT communication. … Read more
Congratulations on visiting the ăJueDingGe Programmingă WeChat public account ăKnowledge Repositoryă, specially customized for everyoneQt C++ Architect Series – Project Practice Episode 126:This issue focuses on a practical and challenging technical topic – ăQTableView + QAbstractTableModel + Custom Delegate Project Technology: Disk Heartbeat Monitoring Performance Analyzeră.Whether you are a beginner who has just mastered the … Read more
In the summer of 2025, when the “Internet of Everything” is no longer just a concept but has permeated every corner of industry, home, and healthcare, a real question faces countless developers: how to efficiently build a stable and scalable IoT platform? Is the choice of protocols too complex? Are practical case studies hard to … Read more
Table of Contents Series Article Directory Introduction 1 Subscription Options 1.1 Overview of Subscription Options 1.2 QoS 1.2.1 Overview of QoS Subscription Options 1.2.2 QoS Subscription Options Demonstration 1.3 No Local 1.3.1 Overview of No Local Subscription Options 1.3.2 No Local Subscription Options Demonstration Allow Forwarding Disallow Forwarding 1.4 Retain As Published 1.4.1 Overview of … Read more
I came across an article discussing this layout implementation, but the code was missing many components and could not run. It seems to be an AI-generated article, primarily emphasizing hands-on skills. Therefore, I borrowed the coding ideas and some code from that article to create a small demo that is functional and has all the … Read more
Table of Contents Series Article Directory Introduction 1. Topic Wildcards 1.1 Single-Level Wildcards 1.2 Multi-Level Wildcards 2. System Topics 3. Testing System Topics with MQTTX 3.1 Enable Access Permissions 3.2 EMQX Cluster Node List 3.3 Subscribe to EMQX Version Topic 3.4 Subscribe to Online/Offline Topics Conclusion Introduction The MQTT topic is essentially a UTF-8 encoded … Read more
When developing interfaces using Qt, frameless window designs are often adopted to enhance visual effects. Implementing a frameless window is actually quite simple, accomplished with a single line of code. setWindowFlag(Qt::FramelessWindowHint); Since the default system title bar is removed, the window loses its native moving and resizing capabilities, which need to be implemented manually through … Read more