1. Introduction: Why Do We Need “Packages”? Before we start writing code, let’s imagine a real-life scenario. Suppose your computer desktop is cluttered with all your files: photos, movies, work documents, study notes, game shortcuts… What would happen if they were all scattered on the desktop without any folders? 1. Difficult to find: You can’t … Read more
1. Introduction: Why Do We Need “Modules”? When you first start learning Python, you typically write a few lines of code in a single file, such as printing “Hello World” or performing simple mathematical calculations. This is akin to jotting down notes on a sticky note, quick and easy. However, as you learn more and … Read more
The Path to Learning Python – Jin Yong’s Martial Arts Edition Part One: ‘Complete Zen Method’ (Foundation Building Chapter – 1)The Path to Learning Python – Jin Yong’s Martial Arts Edition Part One: ‘Complete Zen Method’ (Foundation Building Chapter – 2) If you like me,followme Introductory Zen Method: Complete Zen Method (The internal skill of … Read more
Modules Brief overview Constraints and Concepts Brief overview Coroutines Using stackless coroutines offers great performance, but they are quite complex to understand. Three-way Comparison Operator <=> <span>auto operator<=>(const C&)const=default;</span> will automatically generate comparison operators within class C, including<span>==, !=, <, <=, >, and >=</span> If you need to customize<span>operator<=></span>, you must also implement<span>operator==</span> The return … Read more
Ansible is a powerful and agentless IT automation platform. This article introduces some commonly used modules. Ansible has robust module capabilities, supporting various functions such as file management, system management, cloud computing (multi-cloud), networking, databases, Windows, source control, infrastructure, packaging, and more. For more details, please refer to the official page. Here, we select some … Read more
1. Sensors 1.1 KY -xxxx Series KY-002 KY-002 is a vibration sensor, consisting of a conductive shell and an internal spring assembly. During vibration, the shell contacts the internal spring and sends a signal. The KY-002 vibration switch module has three pins: VCC, GND, and SIG. VCC is the positive power supply, GND is the … Read more
HXE Club is not only present in the gaming sector but has also made significant breakthroughs in the programming field! Python is a widely used high-level programming language known for its concise and readable syntax, making it suitable for both beginners and professional developers. Below is an introduction to the basic syntax: Basic Syntax: Variables: … Read more
1. Nature of the Problem: The Fatal Impact of Disconnections on IoT Systems The 4G module, as the “nervous system” of IoT devices, directly determines the reliability of the data link. According to industry statistics (2024 GSMA report), 30% of IoT device failures stem from communication module anomalies, with frequent disconnections ranking first. The consequences … Read more