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Course Schedule
0: Language and Tooling Teaching Guide
1: Frontend Basics Teaching Guide
2: Backend Basics Teaching Guide
3: Backend Applications Teaching Guide
4: Backend Structure Teaching Guide
5: Full-Stack Applications Teaching Guide
6: Frontend Infrastructure Teaching Guide
7: React Teaching Guide
8: Advanced React Teaching Guide
9: Advanced Topics Teaching Guide
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Algorithms Teaching Guide
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Interview Prep Teaching Guide
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User Experience Teaching Guide
9.7: Web Sockets
Web Sockets are an internet technology that is not based on HTTP requests. They exist to solve the problem of not wanting to make a round trip request-response pattern to do some action. Web sockets allow one-way communication between the front-end and back-end. You no longer have to either, send something and wait for a response, or make a request in order to know something about what happened.
Some examples:
  • sending a notification to all logged in users
  • receiving a chat message
  • telling the user they lost the card game
Last modified 2mo ago
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