Ezc3d: An Open Source Library Based on C++

ezc3d: A Powerful Tool for Biomechanical Data Processing In biomechanical research, data storage and processing are crucial steps. The C3D file format, as a widely used standard, is specifically designed for storing biomechanical data, such as three-dimensional motion capture data and force platform data. However, for a long time, the biomechanics field has lacked a … Read more

Detailed Explanation of C++ Multithreading Memory Model (Memory Order)

In multithreaded programming, there are two issues to pay attention to: one is data races, and the other is memory execution order. What is a data race? First, let’s look at what a data race is and what problems it can cause. #include <iostream> #include <thread> int counter = 0; void increment() { for (int … Read more

Detailed Explanation of C++ Macros: Basics, Usage, and Precautions

In C++ programming, a macro is a text replacement tool processed by the preprocessor, implemented through the <span>#define</span> directive. While macros can be very useful in certain scenarios, they are also controversial due to their potential side effects. This article will cover the basic syntax, common uses, drawbacks, and modern alternatives to help developers use … Read more

Hidden Traps When Exiting a C++ Program: Are Your Objects Really Released?

Introduction:In C++ development, have you ever encountered memory leaks caused by local objects not being destructed properly? Why do the destructors of certain objects not execute when exiting the program using <span><span>exit()</span></span>? This article delves into the core mechanisms of program exit through code examples, helping you avoid the pitfalls of resource management! 1. A … Read more

A Powerful Tool for Seamless Integration of C++ and Python

Hello everyone, I am Xiaobai, and today I want to talk to you about a very cool library – pybind11. If you have ever wanted to bring the powerful features of C++ into Python, or vice versa, this library is definitely worth your attention. It makes the interaction between the two simple and efficient, so … Read more

GESP Level 3 C++ Language Syllabus & Knowledge Point Analysis

GESP Programming Ability Certification Standards from Level 1 to Level 8 (Syllabus)Download link:https://gesp.ccf.org.cn/101/1008/10012.htmlLevel 3 Knowledge Content (C++)The following is a detailed explanation of these knowledge points based on the GESP Level 3 C++ programming language syllabus:1. Data Encoding (Original Code, Inverse Code, Complement Code) 1. Original Code Original code is the most intuitive encoding method. … Read more

In-Depth Analysis of std::out_ptr and std::inout_ptr in C++23

C++23 introduces two new standard library function templates<span><span>std::out_ptr</span></span> and <span><span>std::inout_ptr</span></span>, along with their corresponding types <span><span>std::out_ptr_t</span></span> and <span><span>std::inout_ptr_t</span></span>, aimed at enhancing the readability and safety of code interacting with C-style APIs. This article will provide a technical analysis of the design motivations, functional details, usage scenarios, and implementation mechanisms of these two new features, ensuring … Read more

C++ Secrets (1)

1 Variables In C++, a variable is the basic unit for storing data, having a specific type and name. Below is a detailed introduction to C++ variables: Declaration and Definition of Variables ·Declaration: Informs the compiler of the variable’s type and name without allocating memory. ·Definition: Allocates memory for the variable, which can also be … Read more

GCEM: A Powerful C++ Compile-Time Math Library

GCEM: A Powerful C++ Compile-Time Math Library GCEM (Generalized Constant Expression Math) is a C++ based compile-time mathematical computation library. It utilizes the <span>constexpr</span> feature of C++11 to perform mathematical operations during the code compilation phase, significantly enhancing program execution efficiency. Next, let’s delve into this amazing library. The Charm of Compile-Time Computation The core … Read more

C++ Programmer’s Pitfall: Mismatched new[] and delete[] Leads to Memory Leaks!

This article is based on a thorough review of relevant authoritative literature and materials, forming a professional and reliable content. All data in the article is verifiable and traceable. Special note: The data and materials have been authorized. The content of this article does not involve any biased views and objectively describes the facts with … Read more