PollMaker is a real-time polling application that allows users to create interactive polls, share them with others, and view live results as votes come in. It’s designed for engaging audiences in presentations, classrooms, meetings, and events.

Showcase

DEMO -> 🎥 [![Watch the Demo](https://www.twine.net/signin

Features

🔐 User Authentication – Secure registration and login for poll creators using JWT.

🗳️ Poll Creation – Create polls with multiple answer options.

⚡ Real-time Voting – Live updates using WebSockets.

🔗 Shareable Polls – Unique share codes for each poll.

⏱️ Timed Polls – Auto-deactivation after a set duration (default: 20 seconds).

📋 My Polls Dashboard – View and manage your created polls.

🚀 Manual Activation – Start polls at your discretion.

👥 Anonymous Voting – No login required to vote.

🔔 Toast Notifications – Clear feedback on actions like login, vote, and poll creation.

Technologies Used

PollMaker is built with a modern tech stack, featuring a Go backend and a React frontend.

Frontend

React: A JavaScript library for building user interfaces.

TypeScript: A typed superset of JavaScript that compiles to plain JavaScript.

Tailwind CSS: A utility-first CSS framework for rapidly building custom designs.

Vite: A fast build tool for modern web projects.

Lucide React: A collection of beautiful and customizable open-source icons.

React Router DOM: For declarative routing in React applications.

WebSockets: For real-time communication and live poll updates

Backend

Go: A statically typed, compiled programming language designed for building efficient and reliable software.

Gin Web Framework: A high-performance HTTP web framework for Go.

PostgreSQL: A powerful, open-source relational database system.

JWT (JSON Web Tokens): For secure user authentication.

Gorilla WebSocket: A Go implementation of the WebSocket protocol.

Bcrypt: For secure password hashing.

Godotenv: For loading environment variables from a .env file.

📌 A web application for managing code snippets. Users can register, log in, create, edit, delete, and favorite code snippets. They can also add, edit, and delete comments on snippets and vote (like/dislike) on comments. The application also serves a search functionality by filtering snippets either by user or tag.

The application is deployed on (Heroku) -> [Code Snippets App](https://www.twine.net/signin

✨ Features

• 🔒 User Authentication:
  Register, log in, and log out with session-based authentication.

• 📝 Snippet Management:
  Create, edit, and delete code snippets with tagging support.
  filtering allows you to search snippets by username or tag.

• ⭐ Favorites/Bookmarking:
  Favorite (bookmark) snippets and view your favorites.

• 💬 Commenting System:
  Add, edit, and delete comments on snippets.
  Comments include a like/dislike (voting) mechanism so users can vote on helpful or relevant comments.

• 👍👎 Voting for Comments:
  Each comment displays like (👍) and dislike (👎) buttons with current vote counts.
  Users can only vote once per comment and switching from like to dislike (or vice versa) adjusts the counts accordingly.

🛠 Technologies Used

• 🟢 Node.js with Express.js
• 🗄 MongoDB with Mongoose
• 🎨 EJS for templating
• 🔑 bcrypt for password hashing
• 🔄 express-session for session management

Personal Web Desktop (PWD) is a single-page application that mimics a desktop environment in the browser. Users can run multiple windowed applications simultaneously, such as a Memory Game, a Chat Application, and more. This environment is designed to enhance productivity and engagement by providing a cohesive and interactive workspace.

🔗 Live Demo: [PWD on Heroku](https://www.twine.net/signin

🛠 Technologies Used

• ⚡ Node.js
• 🎨 HTML / CSS
• 🎯 Vanilla JavaScript

A simple and user-friendly weather application built using Flutter and the OpenWeatherMap API. This app provides both current weather conditions and a 5-day weather forecast based on the user’s current location.

App Showcase

Features

• 🌦 Current Weather: Real-time weather data based on geolocation.
• 📅 Forecast: 5-day weather forecast with temperature and condition icons.
• ℹ️ About: Basic app and author information.

Screens

🖼 Current Weather Screen

• Fetches the device’s location.
• Displays temperature, weather condition, location name, country, humidity, and wind speed.
• Uses OpenWeatherMap API to get weather data.

📆 Forecast Screen

• Displays a 5-day weather forecast in 3-hour intervals.
• Includes date/time, weather icon, temperature, and description.
• Also requires location permission.

ℹ️ About Screen

• Provides information about the course and the developer.
• Static content for documentation or credits.

📌 Overview

The Hotel Management System is a JavaFX-based application designed to streamline hotel operations. It provides an interface for managing hotel rooms, bookings, customers, and staff. The system integrates with a MySQL database for persistent data storage and ensures a smooth user experience with JavaFX’s interactive UI elements.

🎥 [![Watch the Demo](https://www.twine.net/signin

🚀 Features

• 🔐 User Authentication: Admin and staff login management.
• 🏠 Room Management: Add, update, delete, and search for hotel rooms.
• 📆 Booking System: Create, modify, and cancel reservations.
• 👥 Customer Management: Store and manage customer details.
• 📊 Dashboard: View hotel statistics including total rooms, customers, and bookings.

🛠 Technologies Used

• 🎨 JavaFX - Scene Builder (UI framework)
• 🗄 MySQL (Database management)
• 🔌 JDBC (Java Database Connectivity)
• ⚙️ Gradle (Build automation)

🗄 Database Schema

📋 Tables

1. 👤 Users - Stores user credentials and roles.
2. 🏠 Rooms - Contains room details such as room number, size, and location.
3. 👥 Customers - Stores customer personal information.
4. 📆 Bookings - Links customers to rooms with booking dates and status.

📌 Overview

This project is a console-based Stuff Lending System that allows members to lend and borrow items under a contract. The system follows the MVC (Model-View-Controller) architecture and includes features such as:

• Member registration, updates, and deletion.
• Adding, updating, and deleting items.
• Contract creation between a lender and borrower.
• Credit-based lending with automatic contract validation.
• Time progression to track contract status.

🚀 Features

• Member Management: Add, edit, and remove members.
• Item Management: Add, edit, and remove items.
• Contract System: Create contracts between members for borrowing/lending.
• Time Progression: Simulates real-time contract tracking.
• Credit System: Members need sufficient credits to borrow items.

Repo: https://www.twine.net/signin

📌 Overview

This project is a Java-based contiguous memory simulator that visually demonstrates dynamic memory allocation strategies such as:

• First-Fit
• Best-Fit
• Worst-Fit

It includes a graphical user interface (GUI) built with Swing, allowing users to allocate, deallocate, and compact memory blocks dynamically.

🎥 [![Watch the Demo](https://www.twine.net/signin

🚀 Features

• Memory Allocation & Deallocation 🔀
• Compaction to Reduce Fragmentation 🧩
• Graphical Representation of Memory Blocks 📊
• Exception Handling for Invalid Operations ❌
• Dynamic Memory Configuration ⚙️
• Supports First-Fit, Best-Fit, and Worst-Fit Strategies 🎯

🛠 Technologies Used

• ☕ Java (Swing & AWT)
• 🗄 Memory Management Algorithms
• 🎨 Custom UI Rendering
• 📜 Object-Oriented Design

📌 Overview

This is a simple URL Shortener application built using Deno, Oak framework, and a SQLite database. It allows users to shorten long URLs and retrieve shortened URLs.

The project has a frontend (HTML, CSS, JavaScript) and a backend (Deno, Oak, SQLite).

🚀 Features

• Shorten URLs
• Redirect to original URL using shortened code
• Copy shortened URL to clipboard
• Mobile-friendly UI
• Backend API with Deno and Oak framework
• Persist data using SQLite

Repo: https://www.twine.net/signin

A console-based Blackjack game implemented in Java. This project follows an MVC architecture with a focus on object-oriented programming and design patterns.

🎮 Features

• 🏆 Fully playable Blackjack game (hit, stand, dealer rules)
• 🎨 English & Swedish support for the UI
• 🃏 Deck shuffling and dealing mechanics
• 👨‍⚖️ Rule customization (Dealer Wins on Tie, Player Wins on Tie, etc.)
• 🏗️ Observer Pattern for game updates
• ✅ Easily extendable game logic

💂️ Design Patterns Used

1️⃣ MVC (Model-View-Controller) Pattern

• Purpose: Separates concerns into three components

2️⃣ Observer Pattern

• Purpose: Allows views to react when the game state changes.

3️⃣ Strategy Pattern

• Purpose: Provides flexibility to change game rules dynamically.

4️⃣ Factory Pattern

• Purpose: Encapsulates object creation for game rules.

5️⃣ Facade Pattern

• Purpose: Simplifies interactions by providing a unified interface to a complex system.

Repo: https://www.twine.net/signin