Singleton Pattern in C++

Singleton Pattern in C++

In programming, we sometimes use the singleton pattern:It aims to ensure that a class has only one instance and provides a global access point to that instance. This pattern involves a single class that is responsible for creating its own objects while ensuring that only a single object is created.Common applications of the singleton pattern … Read more

Detailed Explanation of the Singleton Pattern in Python

Detailed Explanation of the Singleton Pattern in Python

Background Have you heard of the Singleton Pattern in Python? I encountered it while reading someone else’s code and didn’t understand what that piece of code meant. Later, when I searched for information, I learned that the purpose of that code is to create a single instance. It was from that moment that I became … Read more

Kernel C++ Member Function and C Interface Adaptation Technology from an Assembly Language Perspective

Kernel C++ Member Function and C Interface Adaptation Technology from an Assembly Language Perspective

Fundamental Differences Between Member Functions and C Functions From an assembly perspective, the essential difference between member functions and ordinary C functions lies in the implicit <span>this</span> pointer passing: ; Ordinary C function call push param2 ; Parameter 2 push param1 ; Parameter 1 call CFunction ; Direct call add rsp, 10h ; Clean up … Read more

Singleton Pattern: The Guardian of Global State Consistency in Embedded Systems

Singleton Pattern: The Guardian of Global State Consistency in Embedded Systems

1. Singleton Pattern The Singleton Pattern ensures that a class has only one instance and provides a global access point. Core structure diagram of the Singleton Pattern: The structure typically includes: A private static instance (pointer to itself) A private constructor (to prevent external instantiation) A public static method (to get the unique instance) In … Read more

Design and Implementation of Singleton Pattern in C Language

Design and Implementation of Singleton Pattern in C Language

Design and Implementation of Singleton Pattern in C Language The Singleton Pattern is a commonly used software design pattern that ensures a class has only one instance and provides a global access point to that instance. Implementing the Singleton Pattern in C is relatively complex because C is a procedural programming language and does not … Read more

In-Depth Exploration of Python Metaclass Programming

In-Depth Exploration of Python Metaclass Programming

Introduction: The Magic of Metaclass Programming Among Python’s advanced features, metaclass programming is undoubtedly one of the most powerful and mysterious concepts. It allows us to control the class creation process, providing unprecedented flexibility for object-oriented programming. This article will delve into the core concepts of Python metaclass programming, particularly focusing on the roles of … Read more