plugin system

QT C++ Practical: Implementation of a Draggable Chart Component System

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QT C++ Practical: Implementation of a Draggable Chart Component System

1. System Architecture Design 1. Architecture Flowchart 2. Class Diagram Design 2. Core Code Implementation 1. Chart Component Interface (IComponent) // ichartcomponent.h #ifndef ICHARTCOMPONENT_H #define ICHARTCOMPONENT_H #include<QWidget> #include<QVariantMap> #include<QPaintEvent> class IComponent : public QWidget { Q_OBJECT public: explicit IComponent(QWidget* parent = nullptr) : QWidget(parent) {} virtual ~IComponent() = default; // Basic property settings virtual void … Read more

A Complete Guide to Function Pointers in C: From Basics to Advanced Applications

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A Complete Guide to Function Pointers in C: From Basics to Advanced Applications

Function pointers are a powerful feature in the C programming language, allowing programs to pass, store, and dynamically call functions as data, providing great flexibility in code design. This article will systematically explain function pointers from their definition syntax, basic usage to advanced applications (callback mechanisms, state machines, plugin systems, object-oriented simulation), combining core insights … Read more

smart-mqtt v1.1.1 Arrives on Schedule: Starting from Lightweight, Advancing Towards Security

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smart-mqtt v1.1.1 Arrives on Schedule: Starting from Lightweight, Advancing Towards Security

1. Version Overview This version builds on the plugin design of v1.1.0, introducing a significant License tiered authorization mechanism and TLS/SSL secure communication support, fully meeting the diverse and multi-level usage needs of enterprises. We always adhere to the design philosophy of “lightweight, high performance, and customizable,” maintaining a small package size (still under 4MB) … Read more

Unveiling Python Framework Development: Metaprogramming for Scalable Architectures and Enterprise-Level Solutions!

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Unveiling Python Framework Development: Metaprogramming for Scalable Architectures and Enterprise-Level Solutions!

Introduction: Want to know the underlying secrets of Django ORM and Flask middleware? This article will guide you through building pluggable framework components using metaprogramming techniques, implementing core functionalities such as automated route registration and dynamic configuration loading step by step! At the end of the article, a Python full-stack development gift package is included, … Read more