Hello everyone! Today, I will guide you through implementing one of the most important features in Excel using C++—the cell reference system. 1. Basic Characteristics of Excel Cell References Excel cell references mainly have three characteristics: Coordinate Representation: Row and column identifiers like A1, B2 Relative/Absolute References: Mixed references like 1 or A$1 Range References: … Read more
Today, let’s talk about the love-hate relationship with the reference family in C++—lvalue references, rvalue references, and universal references. These concepts are fundamental to modern C++, frequently tested in interviews, and are key to understanding move semantics and perfect forwarding. It is recommended to prepare a notebook as we write code and break down these … Read more
Hello everyone! Today, I will guide you through implementing commonly used date handling functions in C++. 1. Basic Knowledge of Excel Date Functions The commonly used date functions in Excel can be categorized into three types: Extraction Functions: YEAR, MONTH, DAY, etc. Calculation Functions: DATEDIF, EDATE, etc. Conversion Functions: DATEVALUE, TEXT, etc. To implement these … Read more
Course Introduction Welcome to the world of algorithm competitions! This course will guide you through the basics of C++ syntax, laying a solid foundation for subsequent algorithm problem-solving. Basic Structure of a C++ Program Example of a standard program framework: #include <iostream> // Input-output stream header file using namespace std; // Namespace declaration int main() … Read more
Hello everyone! Today, I will guide you through implementing the powerful grouping and summarization functionality in Excel using C++. 1. Core Idea of Grouping and Summarization Functionality The grouping and summarization in Excel mainly accomplishes three tasks: Grouping: Grouping data based on the values of specified columns Summarization: Performing statistical calculations (sum, average, etc.) for … Read more
1Terminology Explanation Effective Population (Ne): An ideal population that, under the influence of random genetic drift, can produce the same allele frequency distribution or an equal number of inbred individuals is referred to as the effective population size of that population, which is a theoretical assessment of genetic diversity and evolutionary potential.The larger the Ne … Read more
microsoft/vcpkghttps://github.com/microsoft/vcpkg Stars: <span>24.3k</span> License: <span>MIT</span> vcpkg is a cross-platform C/C++ package management tool that supports Windows, Linux, and MacOS, maintained by Microsoft and the C++ community. Easy integration with various build systems Control over dependency versions Support for packaging and publishing custom packages Reuse of binary artifacts Enables offline scenarios and asset caching WooooDyy/LLM-Agent-Paper-Listhttps://github.com/WooooDyy/LLM-Agent-Paper-List Stars: … Read more
Hello everyone! Today, I will guide you through implementing a very useful data validation dropdown menu feature in Excel using C++. Just like in Excel, where you can set cells to only allow selection from predefined values, we can achieve this interactive method in our own programs. This example not only enhances user experience but … Read more
Hello everyone! Today we will discuss how to effectively use C++ exception handling in Excel data processing. 1. Why is Exception Handling Necessary? Imagine you are importing a 500MB Excel file and suddenly discover that the file is corrupted—an application without exception handling would crash directly, while one with exception handling can gracefully inform the … Read more
Today, we will explore a cool and practical technology—using C++ Lambda expressions to handle various conditional judgments in Excel. Lambda acts like a small function wizard that can be created anytime and anywhere, making your Excel data processing code super flexible and powerful! 1. Review of Lambda Expression Basics Lambda expressions are anonymous function objects … Read more