Click the blue text Follow us Due to changes in the public account’s push rules, please click “View” and add “Star” to get exciting technical shares as soon as possible Source from the internet, please delete if infringed Why Start Programming with C Language Many friends start programming with C language, but do you have … Read more
A programming language defines a set of instructions that are compiled together by the Central Processing Unit (CPU) to perform specific tasks. Programming languages mainly refer to high-level languages such as C, C++, Pascal, Ada, and COBOL. Each programming language contains a unique set of keywords and syntax used to create a set of instructions. … Read more
The scanf() and printf() functions are a nightmare for many beginners in C language. Especially scanf(), which involves the concept of variable addresses. If you forget to write the address operator &, the program often exits abnormally. Why is this? If you compile and execute the above program and input 2, 3, 4, the program … Read more
PrefacePREFACE C++ is a programming language that introduces object-oriented mechanisms based on C. C++ inherits most features of C. On one hand, C++ treats C as its subset, allowing compatibility with C; on the other hand, C++ supports object-oriented programming, such as the concept and properties of classes. This is a significant improvement over C. … Read more
The phonetic method is the most fundamental word memorization technique. By understanding the common pronunciation rules of letters and letter combinations, one can greatly accelerate the speed of word memorization. In this lesson, we will continue to learn the pronunciation of the letter c and its combination cc. Word Annotations: 1. cook /kʊk/ n.Chef 2. … Read more
Optimizing a program usually refers to enhancing the program code or the execution speed of the program.Optimizing code and optimizing speed are essentially a contradictory unity.Generally, optimizing the size of the code will lead to an increase in execution time;if the execution speed of the program is optimized, it usually results in an increase in … Read more
Algorithm: The basic ideas and methods for solving problems with computers. Description of the algorithm: It describes the methods and steps taken to solve a problem or complete a task, including what data is needed (what data is input, what results are output), what structures are used, what statements are employed, and how these statements … Read more
This article is suitable for students who have studied LCD displays but do not fully understand them. The author uses the battleship STM32. In this article, the author will discuss three topics: FSMC-related configuration, principles of displaying a string of characters, and principles of displaying Chinese characters. Let’s get to the point →_→ 1. FSMC-related … Read more
This article is an excellent piece from the KX Forum Author ID on KX Forum: xiaoduoduo himqtt is the first complete source high-performance MQTT IoT firewall – MQTT Application FireWall, written in C language, using epoll mode to support hundreds of thousands of high concurrent connections for IoT, and is compatible with some ModSecurity rules. … Read more
Introduction to MQTT The MQTT protocol is currently the most popular Internet of Things protocol in the world, bar none. It provides devices with a stable, reliable, and easy-to-use communication foundation. As of now, there are over a hundred million devices connected via the MQTT protocol, widely used in fields such as IoT and M2M. … Read more