In C++, resource management is a very important topic, especially when it comes to managing system resources such as memory, files, and network connections. C++ provides powerful tools and features to help programmers manage these resources efficiently and safely, with one of the key techniques being the application of smart pointers. In this article, we … Read more
C++ and Embedded Systems: Core Technologies for IoT Device Development Hello everyone, I’m Xiao Shao. Today, let’s talk about a very practical knowledge point in C++—smart pointers. In the world of C++, smart pointers are like our capable assistants in managing memory. They help us automatically manage memory, avoid memory leaks, and make our code … Read more
Hello everyone! Today we will explore a very important C++ concept—smart pointers. As a beginner, you may encounter memory management issues during your learning process. Smart pointers were created to solve these problems; they help us manage memory better and avoid those pesky memory leaks. Next, I will guide you step by step to understand … Read more
Pointers are extremely important in C. However, to fully understand pointers, one must not only have a proficient grasp of the C language but also basic knowledge of computer hardware and operating systems. Therefore, this article aims to explain pointers comprehensively. Why Use Pointers? Pointers solve some fundamental problems in programming. First, using pointers allows … Read more
Question: When performing pointer + operations, how much does the address actually offset? This question is essentially a fundamental issue in C programming. However, I have stumbled on this as well, so I write this as a lesson and a reminder for everyone. We know that the essence of a pointer is a memory address, … Read more
Hello everyone! Today we are going to talk about one of the most powerful yet confusing features of the C language for beginners – pointers. Through several practical examples, let’s master this core concept step by step. A pointer is essentially a variable that stores a memory address. Imagine it like the house number, telling … Read more
In the world of C language, pointers are like a magical key, both powerful and mysterious, capable of unlocking many secrets of efficient programming, while also intimidating many beginners. Today, let’s delve into the pointers in C language. What are pointers? In simple terms, a pointer is a variable that holds the address of another … Read more
Memory Address After we write a program source file and compile it, the resulting binary executable file is stored on the computer’s hard drive. At this point, it is a static file, generally referred to as a program. When this program is started, the operating system will perform the following actions: 1. Copy the program’s … Read more
Hello everyone, I am Xiaoyu. Today we are going to talk about a super basic yet extremely important topic in the C language – data types and variables, especially integers, floating-point numbers, characters, and pointer types. Don’t underestimate these basics; they actually have a profound impact on your programming world. So today, let’s dive deep … Read more
Hello everyone, I’m Chives, and today we will discuss the use of C++ in building efficient real-time systems on embedded Linux. This is a practical and interesting topic for C++ beginners and enthusiasts. We will explore the clever use of smart pointers and how they shine in embedded Linux systems. The Clever Use of Smart … Read more