How Netflix Knows You're Watching on Too Many Devices — Backend ExplainedPrerequisites Before reading this article, you should be familiar with: Basic understanding of how login/authentication works What an API request is Basic idea of databases Introduction You open Mar 19 · 8 min readmedhaa.hashnode.dev
How websites instantly invalidate your old passwordWhen you change your password, you must have noticed that you are forced to log out of the site, and within the next second, the old password becomes invalid. How does it happen so fast? First - how pFeb 26 · 5 min readmedhaa.hashnode.dev
What is Cloudflare "verify you're a human" check??While browsing websites, we often encounter an annoying checkbox: “Verify you are human” — provided by Cloudflare It feels strange. How can a simple click decide whether you’re a human?And why does thFeb 23 · 4 min readmedhaa.hashnode.dev
How LeetCode Saves Your Code Even When the Internet Goes OffToday, while working on the daily problem on LeetCode, I noticed something interesting. My internet connection went off midway while I was typing code. Normally, I would expect the editor to freeze orFeb 22 · 3 min readmedhaa.hashnode.dev