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VNVũ Nhật Lâmblog.fiscybersec.com3d ago · 19 min read

TerminalFix: Change One Dialog Box, and the Payload Jumps From an Infostealer to a Tunnel Into the Network

Summary Classic ClickFix directs victims to the Windows Run dialog. TerminalFix directs them to Windows Terminal or PowerShell. It sounds like a trivial detail. But the Run dialog accepts a single lin

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Ccircuitrockscircuitrocks.hashnode.devAug 27 · 3 min read

An ESP32-P4 Runs Doom While Claude Sonnet Fumbles the Controls

The early version of this rig kept walking into walls. Seven depth rays fanned out across the player's field of view, and a doorway narrow enough to slip between two of them simply did not exist as fa

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KGKunal Guptakunalforked.hashnode.devAug 15 · 5 min read

Three Restaurants, One Kitchen: What Broke When it Scaled

Continuation of One Socket, a Thousand Waiters, turns out the trick works great, right up until you run more than one copy of it. Worked perfectly with one pod. The moment we scaled to three, jobs sta

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KGKunal Guptakunalforked.hashnode.devAug 13 · 3 min read

One Socket, a Thousand Waiters

Bit of a continuation from my last post on building MCP tools from OpenAPI the WebSocket/session-id trick I mentioned there for handling callbacks and Prefect jobs deserved its own writeup, so here it

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CVChris Vesterscvesters.hashnode.devAug 9 · 5 min read

First WebSocket & Stomp Experience

For a project where I want to be able to offer more interactivity and concurrent modifications, I decided to use a WebSocket. Since my backend is written in Spring, after some research, I decided to u

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KMKrishnam Murarkaedilec-engineering.hashnode.devAug 5 · 4 min read

We Killed 400 Clients' 5-Second Polling Loop and Cut Server Load by 90%

Originally published on the Edilec blog: dev.to/krishnamm/we-killed-400-clients-5-second-polling-loop-and-cut-server-load-by-90-1fdf Our status dashboard feature started life as the simplest thing tha

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YPYogeshwar Peelaexploitnotes.hashnode.devAug 4 · 8 min read

TryHackMe : Do Not Disturb Writeup

TL;DR Byte Lotus Poolside is a Node.js/Express booking app. A NoSQL injection in the login endpoint bypasses authentication entirely and lands directly in the staff role. The staff console's booking-c

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SShravanblog.shravanrevanna.meJul 27 · 4 min read

I Built a Chrome Dino Game Environment for Humans, Bots, and LLMs

TL;DR I built a Chrome-Dino game that's really a tiny game environment over WebSocket: a human, a bot, and an LLM all play through the same protocol, and the engine never knows who's playing. v1 got a

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KSKanishka Shashihtml-dev09.hashnode.devJul 7 · 17 min read

Realtime Systems: Polling, WebSockets, SSE, and Pub/Sub

The question that started it all How does WhatsApp deliver a message instantly? You send a message, and it appears on your friend's phone within a fraction of a second — no refresh button, no waiting.

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CAChukwuemeka Aladimmablog.acel.devJun 30 · 9 min read

How I Moved Real-Time Out of Django (and Made Everything Simpler)

Your users want live updates: an order flips to paid, a notification pops, a dashboard number ticks up without a refresh. The obvious answer in Django is Channels. I reached for it first too. But as o

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#websocket

Explore Hashnode

Trending tags this week

TerminalFix: Change One Dialog Box, and the Payload Jumps From an Infostealer to a Tunnel Into the Network

An ESP32-P4 Runs Doom While Claude Sonnet Fumbles the Controls

Three Restaurants, One Kitchen: What Broke When it Scaled

One Socket, a Thousand Waiters

First WebSocket & Stomp Experience

We Killed 400 Clients' 5-Second Polling Loop and Cut Server Load by 90%

TryHackMe : Do Not Disturb Writeup

I Built a Chrome Dino Game Environment for Humans, Bots, and LLMs

Realtime Systems: Polling, WebSockets, SSE, and Pub/Sub

How I Moved Real-Time Out of Django (and Made Everything Simpler)