Real-Time: WebSockets & Push

Real-time systems push updates to clients the moment something changes. Learn WebSockets, server-sent events, long polling and how chat and notification systems scale them.

6 lessons across 3 courses

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Free lesson Trial Lesson : The Handshake: Coding a raw HTTP-to-WebSocket upgrade handler from scratch. Building Discord : From Socket to Scale

Real-Time: WebSockets & Push lessons by course

System Design with Data Structures & Algorithms

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  1. Day 42: The Illusion of Real-Time — Inside Server-Sent Events
  2. Day 43: WebSocket Design

Building Discord : From Socket to Scale

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  1. Trial Lesson : The Handshake: Coding a raw HTTP-to-WebSocket upgrade handler from scratch.FREE
  2. Trial Lesson : The Frame: Parsing WebSocket binary frames (Fin bit, Opcodes, Masking) manually.FREE

Flutter App Development: High-Fidelity Travel App Engineering

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  1. Day 32: Real-Time Fare Alerts: Managing WebSocket streams for instant price-drop notifications.

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