Observer Design Pattern Use Cases and Examples! #shorts

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#designpatterns #systemdesign #lowleveldesign
  1. Keerti Purswani
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Комментарии
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Crisp, perfect, elegant explanation as always!

Nik
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Hi Keerti, your YT shorts on design patterns and solid principles are very informative and easy to understand through real life examples. Please keep making such videos in future too ✨

-A Happy Subscriber ❤️

harshrajawat
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This pattern is used in node's default event-emitter api

aritrasadhukhan
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1. Jira ticket updates
2. Instagram/Facebook follower feed
3. Youtube Channel Subscriber alerts
4. Flight Cancellation/Reschedule

mayankagarwal
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I don't know why I am a late subscriber of your YouTube channel

satishdhaigude
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I don't know how this works at all. But I'll try figuring out some use cases, I'm a QA engineer only. Correct me if I'm wrong.

1. In figma/Excel if more people are working on the same figma file/sheet, changes done by one person should be visible to other collaborators.

2. In a HRM tool, if level 1 approver approves a leave request of an employee, the employee and other people in the approval chain should know about the update in the status of the request.

suresh.palaparthi
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Session ID when using API of any application where it gets expire after certain period

lapimpale
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i use it to write API to other customer. They can inherit interface and is noticed the change.

minhtrihoang
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Wow. Thanks! Instead of Bio and Chem it would be nice if they taught like this in college

paulsingh
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Stock availability of products in the supermarket to notify

Traibees
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When user logs out and we want to reset the state across all the state management classes in the frontend

vishalgovind
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How do we implement it in real coding?

aloksahoo
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Whenever a company posts it Job vacancy . All email-subscriber get notified.

naiksachin