SocketIO v4, with websockets - the 2023 details

SocketIO v4, with websockets – the 2023 details | Udemy [Update 08/2023]
English | Size: 15.67 GB
Genre: eLearning

Socket io. Learn how to harness real-time communication on the web. W/Cluster Module, React and a real time game!

What you’ll learn
Socketio. That’s (mostly) all we cover so when you finish, you’ll know it!
Setup a socketio application between the browser and an Express server and run real-time back and forth
Understand the basics of websockets and how they work
The basics of the transport layer and how a packet works

May 2023: Version 4 update is complete. I have left the v2 sections up for a sunset period. This means, at the moment, roughly half the course is the same content in different versions. Please take note of the section title if you are just starting out to make sure you are taking the version you want.

Websockets are one of the coolest api’s to ever hit the web. They allow the browser real-time communication, bridging one of the last gaps in both human and web-based communication. Socket io is the king library that uses websockets under the hood. There’s a good chance if you’re reading this, you’ve heard about socketio. Maybe even done a tutorial on it. But how far did you get? In my experience, the vast majority of the material on the web goes no farther than a quick-start, instant chat app. You don’t learn how anything works, never look at the docs, and are stuck at the end wondering what to do now. Is that all socketio can do? The remaining shred of material is waaaaay over everyone’s head. The fact that the websocket API was standardized in 2011 and most developers still don’t know how to use it is evidence of the gap.

This course is meant to alleviate that! It is not a quick start guide to socket IO. There are loads of those all over the Internet. You should definitely look elsewhere if you are wanting a 10 minute intro to the 3-4 things you need to know to make something quick. On the other hand, if you are looking to really learn one of the most awesome JavaScript libraries in socket io, you should stick around. Like Express and other JavaScript/Node pieces, it’s getting passed over in the wave to learn just enough to get to the term “full-stack developer.” My main goal is to help you figure out how to go from being a good developer to a great developer. Understanding… not just knowing a few methods… of socketio is part of that! It even transcends the browser and node with implementations in most other languages, and even mobile/React Native. This means as you grow, you have the power of sockets without having to learn more than the socket io library.

I first used socketIO in 2013 for a tiny company directory app. I’ve been following since and have been frustrated that it hasn’t gotten more mainstream notice because it opens the way for so many improvements to existing applications and obvious groundwork for new ones. Let’s change that 🙂 Prepare to for a detailed look at socketio and websockets and start going real-time.

Sections:

Introduction – course overview, github link, and the state of socketio and websockets

Before SocketIO… – TCP, network sockets, & a native websockets app

Socket.IO-101 – Why you’d want to use socketio (instead of just websockets), and how it works (simple chat app)

Socket.IO-201 – Making the chat app into a slack clone with namespaces and rooms

Project – real-time canvas game (agar.io-clone)

Project – Real-time performance data (uses React, Cluster, and the Cluster Module. Rotated Redis out until the new module is stable)

Supplemental – HTTP (for those in need of a review)

LEGACY – version 2 – Socket.IO-101

LEGACY – version 2 – Socket.IO-201

LEGACY – multi-player canvas game

LEGACY – Advanced Project

I hope to add sections for a streaming videos/socket.io-stream app, as well as a React Native app.

Who this course is for:
JS/Node developers who want to actually learn how to use Socketio for more than a chat app tutorial
JS developers interested in how node & JS combine to make the networking happen
Developers interested in building real time applications

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