Recently, after adjusting my hard disk partitions, I found that my Ubuntu often froze, with the mouse pointer not responding promptly. After using free, I discovered that there was no SWAP information. It turned out that the partition modification caused the SWAP partition to become ineffective (my 2GB DDR struggled while downloading the Android source … Read more
In verification, when using the C language construct case, macros are often utilized. Sometimes, you may see a #define that wraps a piece of code with do…while(0), even though it only executes once. Why use do…while(0 and what is its purpose? The C language uses macros to implement a function: defining two integer variables x … Read more
📌 Problem Description Write a function to swap the values of two integer variables. Example Input: a = 5, b = 10 Example Output: a = 10, b = 5 Difficulty: ⭐ (suitable for beginners, but how many methods can you think of?) 💡 Initial Thoughts You might think: “Isn’t this just using a temporary … Read more
Source: China Transportation News Accelerating the network development of battery swap stations and the demonstration operations of battery swap heavy-duty trucks in multiple scenarios will strongly promote the construction of a low-carbon transportation system. Recently, the Ministry of Transport issued the “Opinions on the Pilot Work of the National Power Investment Group Co., Ltd. in … Read more