A class is the core concept of object-oriented programming in Python. Below, I will comprehensively introduce how to create and use class objects. 1. Basic Structure and Creation of Classes 1. The Simplest Class class EmptyClass: pass # Empty class, using pass as a placeholder # Create object instance obj = EmptyClass() print(obj) # Output: … Read more
1.4 Control Flow “Control flow” refers to the “order of program execution”—by default, programs execute in a “top-to-bottom, left-to-right” manner; however, in practical applications, we need to “determine whether to execute a segment of code based on conditions” (branching) or “repeat a segment of code” (looping). This section introduces the two most basic control flow … Read more
1. Preliminary Understanding of Procedural and Object-Oriented ProgrammingThe C language is procedural, focusing on processes, analyzing the steps to solve problems, and gradually solving problems through function calls.●C++ is object-oriented, focusing on objects, breaking down a task into different objects, and completing it through interactions between objects.2. Introduction to Classes●In C language, a structure can … Read more
Follow our official account to keep receiving embedded knowledge! 1. Comparison of Object-Oriented and Procedure-Oriented Programming Imagine you want to build a house. Procedure-Oriented: It’s like you are doing everything yourself. Your thinking is linear: “First, I will move bricks -> then mix cement -> next, build walls -> finally, put on the roof.” You … Read more
Features TCP HTTP SSE WebSocket Communication Direction Bidirectional Request-Response Unidirectional (Server → Client) Bidirectional Underlying Protocol IP TCP HTTP TCP (Initial handshake is HTTP) Protocol Layer Transport Layer Application Layer Application Layer Application Layer Core Advantages Reliable, Stable Simple, Stateless, General Lightweight, Auto-Reconnect True Duplex, Low Latency Main Disadvantages Complex Protocol, High Overhead Header Redundancy, … Read more
What is SSE Server-Sent Events (SSE) is a unidirectional communication protocol based on HTTP that allows the server to actively push data to the client. Unlike the traditional request-response model, SSE establishes a long connection, allowing the server to continuously send event streams to the client. Core Features Client initiates SSE request Receives 200 OK … Read more
Most people learning Python get stuck on “classes” at some point. When first encountering them, many feel, “This is so abstract, like the legendary programming black magic?” 😵 Don’t panic; classes are not that mysterious. You can think of them as common “molds” or “templates” in life. Just like a tailor needs a template to … Read more
Anthropic has introduced the Model Context Protocol (MCP), aimed at standardizing the communication between large language models (LLMs) and the “external world” to enhance their capabilities through tool/function support. The idea is that if we can simplify this integration, we can focus on powerful tools rather than custom integration code. MCP is thriving, with new … Read more
Encapsulation is the most core characteristic among the three major features of object-oriented programming. Encapsulation is the “integration” mentioned above (integration is an informal term, but it is relatively more vivid). The definition of encapsulation: hiding the attributes and implementation details of an object, only exposing interfaces to the outside, and controlling the access level … Read more
1 Problem In Python, classes and instances are both a focus and a challenge. They make the code more logical and clarify the relationships between instances. A class is a template used to define the properties and structure of objects, while an instance is a specific object created from a class, possessing the properties and … Read more