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 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
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 (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!](https://boardor.com/wp-content/uploads/2025/09/81d846a4-2718-42b7-80b3-f50b84768a6d.jpg)
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
Hello everyone, I am Xiaokang. Have you ever fallen into this pit? Why does my program, which is clearly very simple, always crash inexplicably! Hey, C++ enthusiasts, today we are going to talk about a pitfall that almost all C++ programmers encounter—iterator invalidation. Whether you are a beginner or a seasoned coder with years of … Read more
This is a guide to overcoming key challenges in the GESP C++ Level 3 exam, summarizing core knowledge points, high-frequency exam topics, and preparation suggestions based on the exam syllabus and analysis of past exam questions, helping candidates to review efficiently: 1. Core Challenges and High-Frequency Topics 1. Data Encoding and Base Conversion Two’s Complement/One’s … Read more
Start taking reading notes from today.1. Get accustomed to C++item1:C++ is a language federation.C++ is a multiparadigm programming language that supports procedural, object-oriented, functional, generic, and metaprogramming styles.—11The main sub-languages are: C, Object-Oriented C++, Template C++, STL.—12item2:Try to replace #define with const, enum, and inline, using the compiler instead of the preprocessor.const char * const … Read more
1. Temporary Files Everyone knows about temporary files; some data needs to be saved temporarily, and these temporary files are not particularly useful. However, it is precisely because they are not very useful that they are needed in certain scenarios. For example, some unimportant log data, some cached intermediate files, etc. These data will eventually … Read more
What is OOM Type OOM (Object-Oriented Memory) types refer to those classifications in C++ that are closely related to object lifecycle and memory management. Understanding these types is crucial for writing safe and efficient C++ code. Main Classifications of OOM Types 1. Trivial Types Characteristics: Has a trivial default constructor Has a trivial copy/move constructor … Read more