A Debugging Story At 2 AM, Xiao Li was working overtime debugging an IoT sensor project. The device inexplicably restarted after running for a few hours, and the error logs pointed to a memory access exception. After several hours of investigation, he finally pinpointed the source of the problem: // Problematic code char *sensor_names[10]; // … Read more
In learning the C language, pointers and arrays are essential topics, and the concepts of “pointer arrays” and “array pointers” are particularly confusing for many beginners. These two concepts are like “twins”—they differ by just one word in their names, yet their meanings are vastly different. Today, we will clarify these concepts so that you … Read more
Continuing from the previous article, we will further discuss pointers in the C language.In C, pointers and arrays are two closely related but often confused concepts. When combined, they form two powerful tools:Pointer Arrays and Array Pointers. 1. Pointer Arrays: A Tool for Managing Collections of Data 1.1 What is a Pointer Array? A pointer … Read more
Why write a WeChat public account? During the process of learning C language, I found that most resources online are just selling courses. Some platforms automatically convert you to VIP articles to sell their memberships, and on Douyin, there are videos with the suffix HTML claiming to be Python projects, with comments just dragging on … Read more