Codes Repository 🚀

A comprehensive collection of programming examples, projects, and academic assignments spanning multiple programming languages and technologies. This repository serves as a portfolio demonstrating proficiency in various programming concepts, algorithms, and web development frameworks.

📁 Repository Structure

Programming Languages & Core Concepts

C++ CODE

• Object-oriented programming examples
• Algorithm implementations
• Data structure demonstrations
• File handling and I/O operations
• Practice problems and solutions

JAVA CODE

• Core Java programming concepts
• Thread programming and synchronization (Producer-Consumer patterns)
• File handling and I/O operations
• Exception handling
• Object-oriented design patterns
• GUI applications and utilities

PYTHON CODE

• Data structures and algorithms
• File operations and data processing
• Object-oriented programming
• Module development and testing
• Django web framework examples
• Data analysis and sorting algorithms

C CODE

• Fundamental C programming concepts
• System-level programming examples
• Memory management demonstrations

Data Structures & Algorithms

DSA (Data Structures & Algorithms)

• Binary trees and BST implementations
• Graph algorithms (BFS, DFS)
• Linked lists and stack/queue implementations
• Searching and sorting algorithms
• Hash tables and collision handling
• Tree traversal algorithms

DAA (Design & Analysis of Algorithms)

• Recursive algorithms (Fibonacci, Factorial)
• Sorting algorithm implementations
• Search algorithms
• Algorithm analysis and optimization

Web Development Projects

Library Management System (library_project/)

A full-featured Django web application for managing library operations:

• Features:
  • User authentication (login/signup)
  • Book catalog management
  • User dashboard
  • Responsive Bootstrap UI
  • SQLite database integration
• Technology Stack: Django 5.2, SQLite, Bootstrap, HTML/CSS

Book Management System (book_management_system/)

Django-based book management application:

• Features:
  • Book inventory management
  • Administrative interface
  • Database-driven architecture
• Technology Stack: Django 5.1.7, SQLite

Calculator Project (calculator_project/)

Web-based calculator application with Django backend.

Specialized Projects

CYBER

Cybersecurity-related code examples and implementations.

Two-Factor Authentication (twofa/)

Implementation of 2FA security mechanisms.

Major Projects (Major/)

Advanced project implementations and comprehensive solutions.

🛠️ Technologies & Frameworks

Backend Technologies

• Django - Web framework for Python
• SQLite - Database management
• Python - Server-side scripting

Frontend Technologies

• HTML5/CSS3 - Markup and styling
• Bootstrap - Responsive UI framework
• JavaScript - Client-side scripting

Programming Languages

• C++ - System programming and algorithms
• Java - Enterprise applications and threading
• Python - Web development and data processing
• C - System-level programming
• Dart - Additional language exploration

🚀 Getting Started

Prerequisites

• Python 3.8+
• Java JDK 8+
• C/C++ compiler (GCC recommended)
• Django 5.0+

Installation & Setup

1. Clone the repository:

   git clone https://github.com/harshil748/Codes.git
   cd Codes

2. Set up Python virtual environment:

   python -m venv .venv
   source .venv/bin/activate  # On Windows: .venv\Scripts\activate

3. Install Python dependencies:

   pip install django

4. Run Django Projects:

   Library Management System:

   cd library_project
   python manage.py runserver

   Book Management System:

   cd book_management_system
   python manage.py runserver

5. Compile and run C/C++ programs:

   # For C++ programs
   g++ -o program "C++ CODE/filename.cpp"
   ./program
   
   # For C programs
   gcc -o program "C CODE/filename.c"
   ./program

6. Compile and run Java programs:

   cd "JAVA CODE"
   javac ClassName.java
   java ClassName

📋 Key Features & Highlights

Algorithm Implementations

• Sorting Algorithms: Bubble sort, insertion sort, selection sort, merge sort
• Search Algorithms: Binary search, linear search
• Graph Algorithms: BFS, DFS, cycle detection
• Tree Algorithms: Binary tree operations, BST implementation

Web Applications

• Authentication Systems: User registration, login/logout
• Database Integration: SQLite with Django ORM
• Responsive Design: Mobile-friendly interfaces
• RESTful Architecture: Clean URL patterns and views

Programming Concepts

• Object-Oriented Programming: Inheritance, polymorphism, encapsulation
• Concurrency: Thread programming, producer-consumer patterns
• File Handling: I/O operations across multiple languages
• Exception Handling: Robust error management

📚 Academic Assignments

The repository includes comprehensive academic assignments covering:

• Machine Learning implementations (without scikit-learn)
• Image processing and compression algorithms
• Computer vision applications
• Signal processing for medical data
• Real-time systems and dashboards
• Biometric authentication systems

🤝 Contributing

This repository is primarily for educational and portfolio purposes. However, suggestions and improvements are welcome:

1. Fork the repository
2. Create a feature branch (git checkout -b feature/improvement)
3. Commit your changes (git commit -am 'Add some improvement')
4. Push to the branch (git push origin feature/improvement)
5. Create a Pull Request

📄 License

This project is open source and available under the MIT License.

📧 Contact

For questions or collaboration opportunities, please reach out through GitHub issues or pull requests.

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⭐ Star this repository if you find it helpful!

This repository demonstrates practical implementation of computer science concepts and serves as a comprehensive learning resource for programming enthusiasts.