Hello, I am Lao Wu, continuing to document my learning insights. 1. Tips for Staying Focused Do the most important tasks in the morning. Stay in a distraction-free environment, such as a library. It’s completely normal to feel a bit of negativity before you start working. Make “happy moments” a part of your plan. Have … Read more
Practical Commands for Linux System Administration In today’s digital age, Linux, as a powerful open-source operating system, has become the preferred platform for server environments and technical professionals due to its high flexibility, security, and stability. This article provides readers with some practical commands for Linux system administration, covering network configuration, system monitoring, file operations, … Read more
Implementing a Simple Text Editor in C Language In this article, we will learn how to implement a simple text editor using the C language. This text editor will be able to perform basic file operations such as opening, reading, writing, and saving files. Our goal is to help beginner users understand how to handle … Read more
🐍 Introduction to Python: Mastering Programming Basics from Scratch 🌟 Chapter 1: Introduction to Python Python is a object-oriented, interpreted high-level programming language with the following core advantages: • Concise and elegant syntax design • Powerful standard library and third-party ecosystem • Cross-platform compatibility (Windows/macOS/Linux) • Active developer community support 🛠️ Chapter 2: Environment Installation … Read more
Advanced Usage of fprintf and fscanf for Appending and Reading Files in C In C programming, file operations are a very important part. Through files, we can persistently store data and also read data from them. In this article, we will focus on how to use <span>fprintf</span> and <span>fscanf</span> functions for appending and reading files. … Read more
Detailed Explanation of File Read and Write Operations in C: fread, fwrite, fprintf In C language, file read and write operations are important means for programs to interact with external data. Through files, we can save data to disk and read data from disk. This article will detail the three main file operation functions in … Read more
Friends, have you watched a bunch of Python tutorials but still can’t write code? Don’t worry, today I will share some practical tips that those tutorials didn’t cover. 1. Understand this first: How does Python actually run code? Many beginners don’t even know how to execute a .py file. Try this: Execution method: Open the … Read more
Zero, Introduction: Programming is like snacking on sunflower seeds, once you start, you can’t stop! Friends, today let’s talk about something practical! Python is like our family heirloom kitchen knife; it can chop dumpling filling and is also great for smashing cucumbers. I’ll teach you the most basic syntax to handle those daily chores, saving … Read more
Introduction In the previous article, we briefly introduced the difference between bare-metal drivers and device drivers, as well as the driver architecture of character devices in the Linux kernel. Without an operating system, upper-layer applications directly access the driver interface, and application engineers need to know the driver interface for each device. When accessing Flash, … Read more
Handling files and paths is a frequent task in any programming language. In C++, we used to rely on platform-specific APIs (such as CreateFile on Windows or open in POSIX) to accomplish this. This approach was not only cumbersome but also required consideration of cross-platform compatibility issues. The good news is that with the introduction … Read more