Summary of Embedded C Language Knowledge Points

Summary of Embedded C Language Knowledge Points

Introduction How can one excel in embedded development? Master the C language! Today, I would like to recommend a summary of embedded C language knowledge points written by an expert.Keywords in C Language The keywords in C language can be categorized by their functions: Data types (commonly used: char, short, int, long, unsigned, float, double) … Read more

Understanding Double Pointers: The ‘Deep Control’ in C Language

Understanding Double Pointers: The 'Deep Control' in C Language

Today, let’s talk about a relatively advanced concept in C language—double pointers. Double pointers are like the “key to deep control” in the programming world, helping us implement more complex logic in memory operations. As a seasoned engineer graduated from Peking University, I will guide you through the charm of double pointers in an easy-to-understand … Read more

Application Scenarios of Pointers: The ‘Core Tool’ in C Language

Application Scenarios of Pointers: The 'Core Tool' in C Language

Today, let’s talk about the various application scenarios of pointers in the C language. Pointers play a crucial role in programming; they are like a “core tool” that helps us manipulate data precisely in the world of memory. As a seasoned technician, I will guide you through the powerful functions of pointers in an easy-to-understand … Read more

C Language Functions: From Beginner to Mastery – A Comprehensive Guide

C Language Functions: From Beginner to Mastery - A Comprehensive Guide

C Language Learning Guide: Have You Mastered These Core Knowledge Points?Latest C Language Learning Path for 2025 | Beginner, Intermediate, PracticalBeginner’s Guide to Avoiding Pitfalls in C Language: Avoid These 12 Devilish Details to Double Your Efficiency! Main Content C Language Functions: From Beginner to Mastery – A Comprehensive Guide In the programming universe of … Read more

From ‘Segmentation Fault’ to the Stars: A Beginner’s Awakening Journey in C Language

From 'Segmentation Fault' to the Stars: A Beginner's Awakening Journey in C Language

《From ‘Segmentation Fault’ to the Stars: A Beginner’s Awakening Journey in C Language》 1. Getting Acquainted with C Language: The Awkward ‘Hello World’ #include <stdio.h> // I copied this line three times before getting it right int main() { printf(“Hello World”); // Why is it not print? return 0; // Does anyone really check the … Read more

C++ Interview Questions – May Edition

C++ Interview Questions - May Edition

16. What is the difference between arrays and pointers? Definition and Essence: An array is a collection of elements of the same type, stored contiguously in memory; a pointer is a variable that stores the address of another variable. Memory Allocation: The memory allocation for an array is determined at compile time, with a fixed … Read more

The Three Toughest Challenges in Learning C Language

The Three Toughest Challenges in Learning C Language

Many beginners feel that learning C language becomes impossible halfway through, as they encounter several tough challenges that they cannot overcome. Consequently, many conclude that C language is too difficult and too close to the hardware level, especially those tough challenges that are hard to understand, making it difficult to proceed. Today, let’s discuss the … Read more

How to Systematically Learn C Language?

How to Systematically Learn C Language?

Hello everyone, I am Xiao Bei. Those who are familiar with me know that I have previously published many articles on learning paths, including operating systems and C++. Many students have urged me several times to talk about how to learn C language. Here it is, the king of pigeons has arrived. To reiterate, let … Read more

Representation of Basic Data Types in C++

Representation of Basic Data Types in C++

This article is a highlight from the Kanxue Forum. Author ID on Kanxue Forum: techliu The representation of basic data types in C++ is summarized in this section based on the book “C++ Disassembly and Reverse Engineering Techniques Revealed”, which also includes content from Chapter 2 on floating-point numbers from “Computer Systems: A Programmer’s Perspective”. … Read more

Pointers and Arrays: An In-Depth Analysis of Their Close Relationship in C Language

Pointers and Arrays: An In-Depth Analysis of Their Close Relationship in C Language

Pointers and Arrays: An In-Depth Analysis of Their Close Relationship in C Language In C language, pointers and arrays are two very important concepts, and they are closely related. Understanding the relationship between the two is crucial for mastering C programming. 1. What is a Pointer? A pointer is a variable used to store a … Read more