@sandeepIITP

sandeep mehta

@sandeepIITPJoined September 2025

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sandeep mehta's blogs

Understanding Access and Refresh Tokensunderstanding-access-and-refresh-tokens.hashnode.dev1 post Subs & Follower System in an Applicationsubs-and-follower-system-in-an-application.hashnode.dev1 post

MongoDB Aggregation Pipelines Powermongodb-aggregation-pipelines-power.hashnode.dev1 post Are Students Truly Grasping Dev & AI?are-students-truly-grasping-dev-and-ai.hashnode.dev1 post

Are Tech Students Truly Mastering Development and AI?

Imagine you’re a student who just built a killer app with AI tools. It’s live, it works, and you’re calling yourself a “tech wizard” online. But then someone asks, “Yo, how does this app actually work?” or “What if it crashes?” Suddenly, you’re stuck...

Sep 7, 2025 · 8 min readare-students-truly-grasping-dev-and-ai.hashnode.dev

How MongoDB Aggregation Pipelines Power Channel Profiles Like YouTube

Imagine you’re on YouTube, clicking a channel’s profile, and instantly seeing their subscriber count, who they’re subscribed to, and whether you’re subscribed. It feels seamless, right? But behind the scenes, there’s some serious database magic at wo...

Sep 6, 2025 · 6 min readmongodb-aggregation-pipelines-power.hashnode.dev

How Platforms Like YouTube Keep Track of Subscribers and Followers

Picture this: you’re scrolling through YouTube, hit “Subscribe” on your favorite channel, and instantly see their subscriber count tick up. Or maybe you’re on Instagram, checking how many followers your friend has. Ever wonder how these platforms mak...

Sep 5, 2025 · 5 min readsubs-and-follower-system-in-an-application.hashnode.dev

Understanding Access Tokens and Refresh Tokens: A Simple Guide to Modern Authentication

Imagine you’re at a movie theater. You buy a ticket to watch a film—that’s your access token, a short-term pass that gets you into the theater for a specific show. But what if you want to stay for a double feature without buying a new ticket each tim...

Sep 3, 2025 · 5 min readunderstanding-access-and-refresh-tokens.hashnode.dev

sandeep mehta

About

Available for

sandeep mehta's blogs

Are Tech Students Truly Mastering Development and AI?

How MongoDB Aggregation Pipelines Power Channel Profiles Like YouTube

How Platforms Like YouTube Keep Track of Subscribers and Followers

Understanding Access Tokens and Refresh Tokens: A Simple Guide to Modern Authentication

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sandeep mehta

About

Available for

sandeep mehta's blogs

Are Tech Students Truly Mastering Development and AI?

How MongoDB Aggregation Pipelines Power Channel Profiles Like YouTube

How Platforms Like YouTube Keep Track of Subscribers and Followers

Understanding Access Tokens and Refresh Tokens: A Simple Guide to Modern Authentication