How Does Twitter Generate a Unique ID for Every Tweet — Across Hundreds of Servers Simultaneously?
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13 posts published so far
How Does Netflix Start Playing in 3 Seconds Without Downloading the Entire Movie?
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How Does WhatsApp Deliver Messages Instantly — And What Happens When You're Offline?
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How Does Google Discover Billions of Pages From Just One URL? Hint : Google crawls
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JWT, OAuth2, SSO — I Kept Mixing These Up. Here's the Difference.
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Your Cache Can't Fit on One Machine. Here's What Happens Next.
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How Does Flipkart Autocomplete "iPhone" Before You Finish Typing? I Designed It.
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How Does Your Bank Block a Fraudulent Transaction in Milliseconds? I Designed the System.
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Why Does GPay Sometimes Charge You Twice? I Designed a Payment System to Find Out.
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How Does Zerodha Show You Live Stock Prices? I Learned and Designed It From Scratch.
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How Does Zomato Send You a Notification in Seconds? I Dug Into It.
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I Finally Understand Rate Limiters. Here's What Nobody Told Me.
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I Designed a URL Shortener From Scratch. Here's Everything I Learned.
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