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FFaizullahfaizullahpk.hashnode.devJun 19 · 6 min read

How I Built a Real-Time Multiplayer Game with Socket.IO, Firebase & Pakistani Payment Gateways

By Faiz Ullah — Full-Stack Developer & Founder of DG Technology When people think of multiplayer games, they imagine big studios and huge teams. But a real-time, money-handling, cheat-proof multiplaye

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MFMahbod Farajianm-farajian.hashnode.devMay 31 · 2 min read

Python Port Scanner Tutorial

Building a Simple Port Scanner in Python (For Beginners) In this tutorial, you will learn how to build a simple port scanner using Python. This is a great starting point for understanding network secu

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SGSairash Gautamsairash.hashnode.devJan 2 · 5 min read

Architecting for One Million Concurrent Connections

Source: https://sairashgautam.com.np/blog/2025-12-25/ I’ve been working with Golang for about three years now, but my roots are actually in dynamic languages like JavaScript, Python, and PHP. Go was my first real introduction to static typing even be...

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SPSatyabrata Pradhansatyabratapradhan.hashnode.devOct 20, 2025 · 4 min read

Building a Real-Time Chat App with Socket.io, React.js & Node.js

Have you ever wondered how real-time chat applications like WhatsApp, Discord, or Slack send and receive messages instantly — without refreshing the page? Recently, I learned a magical technology called Socket.io, and it completely changed how I thin...

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TATawaliou ALAOtawaliou.comOct 15, 2025 · 4 min read

Networking Programming: getaddrinfo

I was reading about network programming and sockets with Beej’s Guide to Networking Programming, and we ended up writing a simplified version of the nslookup program in C. This program takes a domain name and finds the IPs associated with it by query...

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ATAbhishek Tupeabhi27.hashnode.devJun 29, 2025 · 2 min read

Need of Encryption !!

In the world where data travel in mere seconds across the globe , ensuring the privacy of message is no longer an option -— it’s a necessity . Whether professional or friends , sending the documents and files need a strong shield that guards the sens...

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BBetaMizeblog.elixirmasters.comMay 31, 2025 · 4 min read

How to Use Phoenix Channels: Real-Time Chat with Elixir

Phoenix Channels enable developers to build scalable, real-time applications in Elixir. Backed by the concurrency power of the BEAM, Channels allow you to create chat apps, live dashboards, games, and more with low latency and high throughput. In thi...

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SBSudip Bhandaribhandarisudip.com.npMay 9, 2025 · 2 min read

How to Create a WebSocket in ASP.NET Using .NET 8

Add WebSocket Middleware In .NET 8, middleware configuration can stay outside Program.cs if you organize it into dedicated classes or handlers. Let’s write a WebSocketHandler class. 📄 WebSocketHandler.cs using System.Net.WebSockets; using System.Tex...

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ADAyush Dixitayushdixit.hashnode.devMar 18, 2025 · 4 min read

Step-by-Step Guide to Implement Real-time Sockets in Express.js with Next.js

Real-time applications are becoming more common, from chat applications to live notifications and collaborative tools. In this blog, we will explore how to integrate sockets with Express.js using socket.io to enable real-time communication and connec...

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KRKrish Rathorwasm.hashnode.devFeb 12, 2025 · 5 min read

Single Threaded TCP Server from Scratch in Rust

You can find the github repo here In this article, we will build a single-threaded TCP server from scratch using Rust. We will explore the different kernel-level system calls involved in creating a TCP server. We won't use standard libraries like net...