Accelerated C++ const Modifies built-in type variables, custom objects, member functions, return values, and function parameters to ensure that a certain value remains unchanged. <span>const</span> modifies a variable, acting as a constant that can be assigned to a new variable, but the constant itself cannot change. const int a=7; int b = a; // valid … Read more
Learn alongside the Code Thinking RecordReference document link: https://programmercarl.com/0704.%E4%BA%8C%E5%88%86%E6%9F%A5%E6%89%BE.html Reference video link:https://www.bilibili.com/video/BV1fA4y1o715/vd_source=3c53b30249ab413fca24b1ab62efc8ceTraining code link (LeetCode):https://leetcode.cn/problems/binary-search/1. Binary SearchProblem:Given a sorted (ascending) array of <span>n</span> integers <span>nums</span> and a target value <span>target</span>, write a function to search for <span>target</span> in <span>nums</span>. If <span>target</span> exists, return its index; otherwise, return <span>-1</span>.There are mainly two implementations (the difference is … Read more
Chapter 4 Classes unset4-1 Explain the role of public and private. What are the differences between public and private members?unsetunset Answer: Public members are declared with the <span>public</span> keyword, defining the external interface of the class, allowing external objects to access them directly; private members are declared with the <span>private</span> keyword, allowing access only by … Read more
protozero is a lightweight, high-performance C++ library specifically designed for encoding and decoding Protocol Buffers (protobuf) data. Unlike the official Google Protobuf library, it does not rely on .proto file code generation, but instead achieves zero-copy parsing by directly manipulating the protobuf encoding format, making it suitable for scenarios with strict performance and memory requirements … Read more
Problem 1: Number FormationProblem Description Xiao R is learning string processing. Xiao X gave Xiao R a string s, which contains only lowercase letters and digits, and contains at least one digit from 1 to 9. Xiao X hopes that Xiao R can use any number of digits from s, in any order, to form … Read more
This is a record of the learning experiences of an 8-year-old third grader who has just started learning C++. I hope to keep this record going. Please encourage me. Introduction to C++ 1. Introduction to Programming Concepts C++ is a programming language. When we talk about programming, there are many programming languages we commonly use, … Read more
1、After executing the followingC++ code, the value of c is ( ). int a = 10, b = 3;double c = a / b; A. 3.33333 B. 3.333 C. 3.0 D. 3.3 【Analysis】 Answer：C Key Point：Integer Division and Type Conversion Analysis： a / b is integer division, resulting in3 (the decimal part is truncated) Integer3 … Read more
Introduction to C++ Programming: Fun Explanation of Problem 1059 – Calculate Average Age Understanding the Problem This problem requires calculating the average age of students in a class, rounded to two decimal places. Key Points: · Input: The first line contains the number of students n, followed by n lines with each student’s age. · … Read more
1. What is libcurl? In a nutshell: libcurl is a cross-platform client-side networking library written in C that supports over 200 protocols, used internally by countless projects such as Chrome, PHP, Python-requests, Node.js, and more. Features Description Protocols HTTP/1.1, HTTP/2, HTTP/3, HTTPS, FTP, FTPS, SMTP, IMAP, WebSocket, MQTT… Transport Layer TCP, UDP, Unix Domain Socket, … Read more
Pistache is a high-performance HTTP and REST framework written in modern C++, fully compliant with the C++17 standard, providing a clear and user-friendly API for building efficient web services and RESTful APIs. Below, I will introduce the core features of Pistache, installation methods, basic usage, and some advanced functionalities. 🚀 Pistache: A High-Performance HTTP and … Read more