Author: S. Nath Das
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What is useTransition in React and use case?
useTransition is a React 18 hook for marking state updates as non-urgent. Non-urgent updates can be paused or interrupted to keep the UI responsive.
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High-Level Design (HLD) — Secure File Upload with Quarantine AWS S3
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Many startups make a common mistake: allowing users to upload files directly into production S3 buckets using presigned URLs — without any quarantine or security checks.It feels simple, fast, and cost-effective… until it isn’t. The reality is that this shortcut can create serious security, compliance, and operational risks that may impact your business later.Risks of…