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🧿 Top 8 Websites to Practice Coding

Create a telegram bot to scan IP/host/websites (enter the IP and get the fastest open port report)

NOTE: This post serves as a demonstration for creating a Python application. I do not endorse spamming or violating the terms or services of any individuals.

Create Telegram bot Scan.py: ⚡️ First, install the necessary libraries:

$ pip install python-telegram-bot==13.7 $ pip install python-nmap

⚡️ Create a file Filename.py ⚡️ Go to BotFather and create a new Telegram Bot ⚡️ Save the script as Filename.py Source

import telegram from telegram.ext import Updater, CommandHandler, MessageHandler, Filters import nmap bot = telegram.Bot(token='8371237947:Aeo3bq8qEJP2kipYIPC_JhwFOIGk5bU') updater = Updater('8371237947:Aeo3bq8qEJP2kipYIPC_JhwFOIGk5bU', use_context=True) dispatcher = updater.dispatcher nm = nmap.PortScanner() def start(update, context): context.bot.send_message(chat_id=update.effective_chat.id, text="Welcome there ! Please pass the IP or Host.") def scan(update, context): try: target = update.message.text nm.scan(hosts=target, arguments='-T4 -F') scan_result = '' for host in nm.all_hosts(): scan_result += f"Host: {host}\n" for proto in nm[host].all_protocols(): ports = nm[host][proto].keys() for port in ports: port_info = nm[host][proto][port] scan_result += f"Port: {port} State: {port_info['state']} Service: {port_info['name']}" if 'product' in port_info: scan_result += f", Version: {port_info['product']}" scan_result += "\n" context.bot.send_message(chat_id=update.effective_chat.id, text=scan_result) except Exception as e: context.bot.send_message(chat_id=update.effective_chat.id, text=f"Error: {str(e)}") start_handler = CommandHandler('start', start) dispatcher.add_handler(start_handler) message_handler = MessageHandler(Filters.text & ~Filters.command, scan) dispatcher.add_handler(message_handler) updater.start_polling() updater.idle()

⚡️ Execute the 'Scan.py' script, and visit your Telegram bot, type '/start' to receive the welcome message. ⚡️ Pass the IP/host and get open ports, service and versions. #nmap @NxSMind #python_Telegram_Bot @CodingCoursePro Shared with Love➕

Free 100% Off Microsoft Certifications 🥳🔥 https://aka.ms/fabricdatadays? RULES Request Voucher before December 5, Redeem Before 15 December and Give Exam Before 30 December. Get Free 100% Off on DP-600: Implementing Analytics Solutions Using Microsoft Fabric DP-700: Designing and Implementing Data Analytics Solutions Get 50% Off on PL-300: Microsoft Power BI Data Analyst DP-900: Microsoft Azure Data Fundamentals ENJOY ❤️

No SIM = No TELEGRAM (India) The central government has ordered all messaging platforms to link user accounts to the active SIM card in their mobile phones; the apps will stop working if the SIM card is removed, and web/desktop logins will require refreshing every six hours. ◆ The new rule aims to curb cyber fraud, spam, and fraudulent calls. ◆ Companies have 90 days to implement SIM-binding; failure to comply will result in legal action. #WhatsApp | #Telegram | #SIM | #CyberSecurity Credit goes to @Mr_NeophyteX Mention credit to avoid copyright banned.

✅ How to Build Your First Web Development Project 💻🌐 1️⃣ Choose Your Project Idea Pick a simple, useful project: - Personal Portfolio Website - To-Do List App - Blog Platform - Weather App 2️⃣ Learn Basic Technologies - HTML for structure - CSS for styling - JavaScript for interactivity 3️⃣ Set Up Your Development Environment - Use code editors like VS Code - Install browser developer tools 4️⃣ Build the Frontend - Create pages with HTML - Style with CSS (Flexbox, Grid) - Add dynamic features using JavaScript (event listeners, DOM manipulation) 5️⃣ Add Functionality - Use JavaScript for form validation, API calls - Fetch data from public APIs (weather, news) to display dynamic content 6️⃣ Learn Version Control - Use Git to track your code changes - Push projects to GitHub to showcase your work 7️⃣ Explore Backend Basics (optional for beginners) - Learn Node.js + Express to build simple servers - Connect with databases like MongoDB or SQLite 8️⃣ Deploy Your Project - Use free hosting platforms like GitHub Pages, Netlify, or Vercel - Share your live project link with others 9️⃣ Document Your Work - Write README files explaining your project - Include instructions to run or test it Example Project: To-Do List App - Build HTML form to add tasks - Use JavaScript to display, edit, and delete tasks - Store tasks in browser localStorage 🎯 Pro Tip: Focus on small projects. Build consistently and learn by doing. @CodingCoursePro Shared with Love➕ 💬 Tap ❤️ for more!

🚨 6 free online courses by Harvard University, in ML, AI, and Data Science. 𝐈𝐧𝐭𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐭𝐨 𝐀𝐫𝐭𝐢𝐟𝐢𝐜𝐢𝐚𝐥 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 𝐰𝐢𝐭𝐡 𝐏𝐲𝐭𝐡𝐨𝐧 🔗 Link 𝐃𝐚𝐭𝐚 𝐒𝐜𝐢𝐞𝐧𝐜𝐞: 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 🔗 Link 𝐇𝐢𝐠𝐡-𝐝𝐢𝐦𝐞𝐧𝐬𝐢𝐨𝐧𝐚𝐥 𝐝𝐚𝐭𝐚 𝐚𝐧𝐚𝐥𝐲𝐬𝐢𝐬 🔗 Link 𝐒𝐭𝐚𝐭𝐢𝐬𝐭𝐢𝐜𝐬 𝐚𝐧𝐝 𝐑 🔗 Link 𝐂𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 𝐟𝐨𝐫 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥𝐬 🔗 Link 𝐈𝐧𝐭𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐭𝐨 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐏𝐲𝐭𝐡𝐨𝐧 🔗 Link

7 Ways to improve API Performance @CodingCoursePro Shared with Love➕

✅ CRUD Operations in Back-End Development 🛠📦 Now that you’ve built a basic server, let’s take it a step further by adding full CRUD functionality — the foundation of most web apps. 🔁 What is CRUD? CRUD stands for: ⦁ C reate → Add new data (e.g., new user) ⦁ R ead → Get existing data (e.g., list users) ⦁ U pdate → Modify existing data (e.g., change user name) ⦁ D elete → Remove data (e.g., delete user) These are the 4 basic operations every back-end should support. 🧪 Let’s Build a CRUD API We’ll use the same setup as before (Node.js + Express) and simulate a database with an in-memory array. Step 1: Setup Project (if not already)

npm init -y
npm install express

Step 2: Create server.js

const express = require('express');
const app = express();
const port = 3000;

app.use(express.json()); // Middleware to parse JSON

let users = [
  { id: 1, name: 'Alice'},
  { id: 2, name: 'Bob'}
];

// READ - Get all users
app.get('/users', (req, res) => {
  res.json(users);
});

// CREATE - Add a new user
app.post('/users', (req, res) => {
  const newUser = {
    id: users.length + 1,
    name: req.body.name
  };
  users.push(newUser);
  res.status(201).json(newUser);
});

// UPDATE - Modify a user
app.put('/users/:id', (req, res) => {
  const userId = parseInt(req.params.id);
  const user = users.find(u => u.id === userId);
  if (!user) return res.status(404).send('User not found');
  user.name = req.body.name;
  res.json(user);
});

// DELETE - Remove a user
app.delete('/users/:id', (req, res) => {
  const userId = parseInt(req.params.id);
  users = users.filter(u => u.id!== userId);
  res.sendStatus(204);
});

app.listen(port, () => {
  console.log(`CRUD API running at http://localhost:${port}`);
});

Step 3: Test Your API Use tools like Postman or cURL to test: ⦁ GET /users → List users ⦁ POST /users → Add user { "name": "Charlie"} ⦁ PUT /users/1 → Update user 1’s name ⦁ DELETE /users/2 → Delete user 2 🎯 Why This Matters ⦁ CRUD is the backbone of dynamic apps like blogs, e-commerce, social media, and more ⦁ Once you master CRUD, you can connect your app to a real database and build full-stack apps Next Steps ⦁ Add validation (e.g., check if name is empty) ⦁ Connect to MongoDB or PostgreSQL ⦁ Add authentication (JWT, sessions) ⦁ Deploy your app to the cloud 💡 Pro Tip: Try building a Notes app or a Product Inventory system using CRUD! @CodingCoursePro Shared with Love➕ 💬 Double Tap ❤️ for more!

🚨 Google quietly enabled AI features in Gmail - without prior notice If you use Gmail, Chat, or Meet, check your settings. Google automatically enabled "smart features" and personalization, which analyze your content and actions for AI functionality (including Gemini). 📌 This means: Emails, chats, events, files, everything can be used to generate suggestions, drafts, and recommendations. The features are enabled by default, even if you did not manually activate them. This can lead to sensitive information leaks, especially in work accounts. 🛡 How to disable: 1. Open Gmail → 🔩 Settings → "See all settings" 2. "General" tab → find the "Smart features" section 3. Uncheck the boxes and press "Disable and reload" 🔒 Protect your correspondence. Don’t let AI read what it shouldn’t. Post by @Mr_NeophyteX

✅ 🔤 A–Z of Web Development A – API (Application Programming Interface) Allows communication between different software systems. B – Backend The server-side logic and database operations of a web app. C – CSS (Cascading Style Sheets) Used to style and layout HTML elements. D – DOM (Document Object Model) Tree structure representation of web pages used by JavaScript. E – Express.js Minimal Node.js framework for building backend applications. F – Frontend Client-side part users interact with (HTML, CSS, JS). G – Git Version control system to track changes in code. H – Hosting Making your website or app available online. I – IDE (Integrated Development Environment) Software used to write and manage code (e.g., VS Code). J – JavaScript Scripting language that adds interactivity to websites. K – Keywords Important for SEO and also used in programming languages. L – Lighthouse Tool for testing website performance and accessibility. M – MongoDB NoSQL database often used in full-stack apps. N – Node.js JavaScript runtime for server-side development. O – OAuth Protocol for secure authorization and login. P – PHP Server-side language used in platforms like WordPress. Q – Query Parameters Used in URLs to send data to the server. R – React JavaScript library for building user interfaces. S – SEO (Search Engine Optimization) Improving site visibility on search engines. T – TypeScript A superset of JavaScript with static typing. U – UI (User Interface) Visual part of an app that users interact with. V – Vue.js Progressive JavaScript framework for building UIs. W – Webpack Module bundler for optimizing web assets. X – XML Markup language used for data sharing and transport. Y – Yarn JavaScript package manager alternative to npm. Z – Z-index CSS property to control element stacking on the page. @CodingCoursePro Shared with Love➕ 💬 Tap ❤️ for more!

Top 9 websites for practicing algorithms and Data structure. ⛓ https://www.hackerrank.com/ ⛓ https://leetcode.com/ ⛓ https://www.codewars.com/ ⛓ https://www.hackerearth.com/for-developers ⛓ https://coderbyte.com/ ⛓ https://www.coursera.org/browse/computer-science/algorithms ⛓ https://www.codechef.com/ ⛓ https://codeforces.com/ ⛓ https://www.geeksforgeeks.org/

5 Debugging Tips Every Developer Should Know 🐞 1️⃣ Reproduce the bug consistently 2️⃣ Read error messages carefully 3️⃣ Use print/log statements strategically 4️⃣ Break the problem into smaller parts 5️⃣ Use a debugger or breakpoints React ❤️ For More

🔰 How to Generate a UUID in JavaScript?

A UUID (Universally Unique Identifier) is a 128-bit value used to uniquely identify something, like database records, session IDs, or API keys.

💻 Back-End Development Basics ⚙️ Back-end development is the part of web development that works behind the scenes. It handles data, business logic, and communication between the front-end (what users see) and the database. What is Back-End Development? - It powers websites and apps by processing user requests, storing and retrieving data, and performing operations on the server. - Unlike front-end (design & interactivity), back-end focuses on the logic, database, and servers. Core Components of Back-End 1. Server    A server is a computer that listens to requests (like loading a page or submitting a form) and sends back responses. 2. Database    Stores all the data your app needs — user info, posts, products, etc.     Types of databases:     - _SQL (Relational):_ MySQL, PostgreSQL     - _NoSQL (Non-relational):_ MongoDB, Firebase 3. APIs (Application Programming Interfaces)     Endpoints that let the front-end and back-end communicate. For example, getting a list of users or saving a new post. 4. Back-End Language & Framework     Common languages: JavaScript (Node.js), Python, PHP, Ruby, Java Frameworks make coding easier: Express (Node.js), Django (Python), Laravel (PHP), Rails (Ruby) How Does Back-End Work? User → Front-End → Sends Request → Server (Back-End) → Processes Request → Queries Database → Sends Data Back → Front-End → User Simple Example: Create a Back-End Server Using Node.js & Express Let’s build a tiny app that sends a list of users when you visit a specific URL. Step 1: Setup your environment - Install Node.js from nodejs.org  - Create a project folder and open terminal there  - Initialize project & install Express framework: 

npm init -y
npm install express

Step 2: Create a file server.js

const express = require('express');
const app = express();
const port = 3000;

// Sample data - list of users
const users = [
  { id: 1, name: 'Alice' },
  { id: 2, name: 'Bob' }
];

// Create a route to handle GET requests at /users
app.get('/users', (req, res) => {
  res.json(users);  // Send users data as JSON response
});

// Start the server
app.listen(port, () => {
  console.log(Server running on http://localhost:${port});
});

Step 3: Run the server In terminal, run: node server.js Step 4: Test the server Open your browser and go to:  http://localhost:3000/users You should see:

[
  { "id": 1, "name": "Alice" },
  { "id": 2, "name": "Bob" }
]

What Did You Build? - A simple server that _listens_ on port 3000  - An _API endpoint_ /users that returns a list of users in JSON format  - A basic back-end application that can be connected to a front-end Why Is This Important? - This is the foundation for building web apps that require user data, logins, content management, and more.  - Understanding servers, APIs, and databases helps you build full-stack applications. What’s Next? - Add routes for other operations like adding (POST), updating (PUT), and deleting (DELETE) data.  - Connect your server to a real database like MongoDB or MySQL.  - Handle errors, validations, and security (authentication, authorization).  - Learn to deploy your back-end app to the cloud (Heroku, AWS). 🎯 Pro Tip: Start simple and gradually add features. Try building a small app like a To-Do list with a back-end database. 💬 Tap ❤️ for more!

✅ Version Control with Git & GitHub 🗂️ Version control is a must-have skill in web development! It lets you track changes in your code, collaborate with others, and avoid "it worked on my machine" problems 😅 📌 What is Git? Git is a distributed version control system that lets you save snapshots of your code. 📌 What is GitHub? GitHub is a cloud-based platform to store Git repositories and collaborate with developers. 🛠️ Basic Git Commands (with Examples) 1️⃣ git init Initialize a Git repo in your project folder.

git init

2️⃣ git status Check what changes are untracked or modified.

git status

3️⃣ git add Add files to staging area (preparing them for commit).

git add index.html
git add.     # Adds all files

4️⃣ git commit Save the snapshot with a message.

git commit -m "Added homepage structure"

5️⃣ git log See the history of commits.

git log

🌐 Using GitHub 6️⃣ git remote add origin Connect your local repo to GitHub.

git remote add origin https://github.com/yourusername/repo.git

7️⃣ git push Push your local commits to GitHub.

git push -u origin main

8️⃣ git pull Pull latest changes from GitHub.

git pull origin main

👥 Collaboration Basics 🔀 Branching & Merging

git branch feature-navbar
git checkout feature-navbar
# Make changes, then:
git add.
git commit -m "Added navbar"
git checkout main
git merge feature-navbar

🔁 Pull Requests Used on GitHub to review & merge code between branches. 🎯 Project Tip: Use Git from day 1—even solo projects! It builds habits and prevents code loss. 💬 React ❤️ for more!

✅ Advanced Front-End Development Skills 🌐✨ 🔹 1. Responsive Design Why: Your website should look great on mobile, tablet, and desktop. Learn: ⦁ Media Queries ⦁ Flexbox ⦁ CSS Grid Example (Flexbox Layout):

 {
  display: flex;
  justify-content: space-between;
}

Example (Media Query):

@media (max-width: 600px) {.container {
    flex-direction: column;
  }
}

🔹 2. CSS Frameworks Why: Pre-built styles save time and help maintain consistency. Bootstrap Example:

<button class="btn btn-success">Subscribe</button>

Tailwind CSS Example:

<button class="bg-green-500 text-white px-4 py-2 rounded">Subscribe</button>

🔹 3. JavaScript Libraries (jQuery Basics) Why: Simplifies DOM manipulation and AJAX requests (still useful in legacy projects). Example (Hide Element):

<button id="btn">Hide</button>
<p id="text">Hello World</p>

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script>
  $("#btn").click(function() {
    $("#text").hide();
  });
</script>

🔹 4. Form Validation with JavaScript Why: Ensure users enter correct data before submission. Example:

<form onsubmit="return validateForm()">
  <input type="email" id="email" placeholder="Email">
  <button type="submit">Submit</button>
</form>

<script>
function validateForm() {
  const email = document.getElementById("email").value;
  if (email === "") {
    alert("Email is required");
    return false;
  }
}
</script>

🔹 5. Dynamic DOM Manipulation Why: Add interactivity (like toggling dark mode, modals, menus). Dark Mode Example:

<button onclick="toggleTheme()">Toggle Dark Mode</button>

<script>
function toggleTheme() {
  document.body.classList.toggle("dark-mode");
}
</script>
<style>.dark-mode {
  background-color: #111;
  color: #fff;
}
</style>

🔹 6. Performance Optimization Tips ⦁ Compress images (use WebP) ⦁ Minify CSS/JS ⦁ Lazy load images ⦁ Use fewer fonts ⦁ Avoid blocking scripts in <head> 📌 Mini Project Ideas to Practice: ⦁ Responsive landing page (Bootstrap/Tailwind) ⦁ Toggle dark/light theme ⦁ Newsletter signup form with validation ⦁ Mobile menu toggle with JavaScript 💬 React ❤️ for more!