Write a function to find the longest palindrome substring in JavaScript.
Implement pagination in a React application using React Router.
Build a movie ticket booking system using Node.js and MongoDB.
Develop a custom React hook for form validation.
Create a QR code generator using React and qrcode.react library.
Write a script to compress and decompress files using Python.
Build a recipe app using React and Edamam API.
Create a dark mode toggle using React and Context API.
Develop a role-based admin dashboard using Laravel and Vue.js.
Write a program to solve the Tower of Hanoi problem using recursion.
Implement push notifications in a PWA using Firebase Cloud Messaging.
Build a dynamic search bar using React and debounce technique.
Create a countdown timer using React and hooks.
Write a function to convert JSON data to CSV format using JavaScript.
Develop a social media sharing feature using React and Meta tags.
Create an e-commerce cart functionality using JavaScript and LocalStorage.
Build a multi-step form using React Hook Form.
Write a Python script to download images from a URL list.
Implement role-based authorization in a React app with React Router.
Create a URL previewer using React and Axios.
Build a task management app using React and Redux.
Write a function to flatten a nested array in JavaScript.
Develop a movie recommendation system using Python and ML algorithms.
Create a content management system (CMS) with Django.
Build a real-time notification system using Socket.io and MongoDB.
Write a program to find the Fibonacci sequence using recursion.
Implement file upload functionality using Multer in Node.js.
Create a custom middleware in Express for logging requests.
Develop a quiz application using React and Firebase.
Write a script to generate random passwords in JavaScript.
Build a portfolio website using Gatsby and GraphQL.
Create a responsive landing page with Bootstrap and custom CSS.
Develop a blogging platform using Laravel and Vue.js.
Write a function to merge two sorted arrays in Python.
Implement payment gateway integration using Stripe API.
Create a Dockerfile for a Node.js and Express application.