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Showing posts from February, 2025

🌿 Smart Garden Manager in C++ with Robotics, UI, Drones, and Sound "A Rainwater Conservation System for Tomorrow’s Farms"

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  🌿  Smart Garden Manager in C++ with Robotics, UI, Drones, and Sound "A Rainwater Conservation System for Tomorrow’s Farms" 🧭  1. Introduction: Farming in the Age of Climate Change In a world where clean water is more precious than gold, efficient  rainwater harvesting and plant care systems  are no longer optional — they’re essential. Smart farming doesn’t mean just automating irrigation. It means combining  robotic drones, environmental sensors, and intelligent scheduling  to build a garden that practically takes care of itself. In this guide, we build a  fully functional Garden Manager System  using  C++  that: Captures and conserves rainwater Uses  robotic drones and sensors  to monitor crop health Integrates a  real-time UI  with progress bars and alerts Includes  timers  for scheduling plant growth and drone tasks Plays  interactive sounds  based on crop state and events Whether you'r...
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C++ Projects: Online Exam System

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Building a Robust Online Exam System in C++: From Concept to Real-World Application ## Introduction   Modern education and certification systems demand secure, scalable, and efficient examination platforms. This article explores a C++-based online exam system through technical implementation, real-world analogies, case studies, and professional development insights. ![System Architecture Diagram](https://via.placeholder.com/800x400.png?text=Exam+System+Architecture) ## Core Implementation ### 1. Foundation Components **User Management**   ```cpp struct User {     string username;     string password; // Hashed in production     string role; // "admin" or "student" }; ``` *Real-World Analogy*: Like hotel keycards storing access levels, this structure controls system permissions. **Question Handling**   ```cpp struct Question {     string questionText;     string options[4];     int correctAnsw...
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C++ Projects: Face Detection App

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Face Detection App in C++ using OpenCV A real‑time face detection application using Haar Cascades with OpenCV. --- ## 1. Installation (Ubuntu) ```bash sudo apt-get update sudo apt-get install libopencv-dev ``` --- ## 2. Complete Code ```cpp #include <opencv2/opencv.hpp> #include <opencv2/objdetect.hpp> #include <iostream> using namespace cv; using namespace std; void detectAndDraw(Mat& img, CascadeClassifier& cascade, double scale); int main(int argc, char** argv) {     // Load Haar Cascade classifier     CascadeClassifier face_cascade;     if(!face_cascade.load("/usr/share/opencv4/haarcascades/haarcascade_frontalface_alt.xml")) {         cerr << "Error loading face cascade\n";         return -1;     }     // Choose input source     Mat image = imread("test.jpg"); // For image file     // VideoCapture cap(0); // For webcam    ...
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C++ Projects: Simple Payroll System

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Simple Payroll System in C++   A console‑based payroll management system that handles employee records, salary calculations, and tax deductions. --- ## Key Features - **Employee Management:** Detailed records for each employee   - **Automatic Salary Calculations:** Compute gross pay, tax deductions, and net pay automatically   - **Tax Deductions:** Default tax rate set at 10% (expandable for multiple tax brackets)   - **Payroll Summary Reports:** Clear, formatted output of payroll data   - **Expandable Architecture:** Easily integrate new features such as employee modification or file/database persistence --- ## Program Design ### Class Structure ### 1. `Employee` Class ```cpp #include <iostream> #include <iomanip> #include <string> using namespace std; class Employee { private:     int id;     string name;     double hourlyRate;     double hoursWorked;     double taxRat...
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C++ Projects: McDonald's Website

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Creating a McDonald's-Style Website with C++ and Crow Framework While modern web development typically uses HTML, CSS, and JavaScript, this guide demonstrates how to create a McDonald's-themed website using C++ with the Crow framework for backend handling. 1. Setting Up Dependencies Linux Installation sudo apt update sudo apt install libboost-all-dev Windows Installation (via vcpkg) vcpkg install boost 2. Building the Server Create a file named server.cpp and add the following code: #include "crow_all.h" int main() { crow::SimpleApp app; // Home Page Route CROW_ROUTE(app, "/")([](){ return R"( <!DOCTYPE html> <html lang='en'> <head> <title>McDonald's</title> <style> body { font-family: Arial, sans-serif; background-color: #ffcc00; text-align: cente...
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