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Tanu Priya

Developer & builder sharing practical lessons on web development, AI, system design, and software engineering. Always learning, building, and experimenting.

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What Really Happens When You Search Something on Google?
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What Really Happens When You Search Something on Google?

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9 min read
What Really Happens When You Open Google.com in a Browser?
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What Really Happens When You Open Google.com in a Browser?

#computerscience #networking #web
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11 min read
How Do Big Backend Applications Scale?
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How Do Big Backend Applications Scale?

#architecture #backend #performance #systemdesign
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13 min read
What Happens When Your Backend Gets 1 Million Requests?
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What Happens When Your Backend Gets 1 Million Requests?

#architecture #backend #performance #scalability
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5 min read
How Do Backend Developers Secure APIs?
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How Do Backend Developers Secure APIs?

#api #backend #security
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6 min read
Cookies vs Sessions vs JWT: What's the Difference?
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Cookies vs Sessions vs JWT: What's the Difference?

#architecture #authentication #backend #security
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8 min read
How Does JWT Authentication Work? A Complete Guide!
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How Does JWT Authentication Work? A Complete Guide!

#authentication #backend #security #webdev
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8 min read
Authentication vs Authorization: What Is the Difference?
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Authentication vs Authorization: What Is the Difference?

#authentication #backend #security #webdev
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5 min read
Database Indexing: Why Can an Index Make Queries Faster?
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Database Indexing: Why Can an Index Make Queries Faster?

#database #performance #sql
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9 min read
What Actually Happens When You Run a Database Query?
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What Actually Happens When You Run a Database Query?

#backend #database #performance #sql
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11 min read
SQL vs NoSQL: Which Database Should You Use?
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SQL vs NoSQL: Which Database Should You Use?

#architecture #backend #database #sql
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10 min read
How Does a Backend Actually Connect to a Database?
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How Does a Backend Actually Connect to a Database?

#api #backend #database #javascript
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8 min read
What Is Middleware and Why Do Backend Developers Use It?
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What Is Middleware and Why Do Backend Developers Use It?

#architecture #backend #programming #softwaredevelopment
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9 min read
How Does Routing Work in a Backend?
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How Does Routing Work in a Backend?

#api #architecture #backend #webdev
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12 min read
HTTP Explained: What Really Happens Between Client and Server?
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HTTP Explained: What Really Happens Between Client and Server?

#api #backend #networking #webdev
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9 min read
What Is a Backend Server Actually Doing?
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What Is a Backend Server Actually Doing?

#backend #software #webdev
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11 min read
What Actually Happens When You Call an API?
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What Actually Happens When You Call an API?

#api #backend #javascript #webdev
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8 min read
How Do Big Frontend Applications Scale?
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How Do Big Frontend Applications Scale?

#architecture #frontend #softwareengineering #webdev
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7 min read
How Does a Website Become Fast?
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How Does a Website Become Fast?

#frontend #performance #web #webdev
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6 min read
Debouncing vs Throttling: The Difference Every Developer Should Know
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Debouncing vs Throttling: The Difference Every Developer Should Know

#frontend #performance #programming #webdev
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6 min read
How Does useEffect Actually Work?
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How Does useEffect Actually Work?

#frontend #javascript #react #webdev
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6 min read
Virtual DOM vs Real DOM: Is the Virtual DOM Actually Faster?
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Virtual DOM vs Real DOM: Is the Virtual DOM Actually Faster?

#frontend #javascript #performance #react
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10 min read
Why Does Your React App Re-render So Much?
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Why Does Your React App Re-render So Much?

#frontend #javascript #performance #react
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10 min read
What Really Happens When React State Changes?
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What Really Happens When React State Changes?

#frontend #javascript #programming #react
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7 min read
JavaScript Event Loop: How Does JavaScript Handle Multiple Tasks?
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JavaScript Event Loop: How Does JavaScript Handle Multiple Tasks?

#beginners #javascript #programming #tutorial
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7 min read
How Does the Browser Turn Code Into Pixels?
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How Does the Browser Turn Code Into Pixels?

#css #frontend #html #webdev
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5 min read
What Actually Happens When You Open a Website?
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What Actually Happens When You Open a Website?

#networking #web #webdev
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4 min read
Design a Scalable Chat Application Combine everything into one architecture
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Design a Scalable Chat Application Combine everything into one architecture

#architecture #backend #scalability #systemdesign
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8 min read
Observability: Understanding Your System Through Logs, Metrics, Traces & Monitoring
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Observability: Understanding Your System Through Logs, Metrics, Traces & Monitoring

#architecture #microservices #monitoring
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6 min read
Reliability & Fault Tolerance: Designing Systems That Survive Failures
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Reliability & Fault Tolerance: Designing Systems That Survive Failures

#architecture #softwareengineering #systemdesign
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7 min read
Database Partitioning & Sharding: How to Distribute Massive Datasets
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Database Partitioning & Sharding: How to Distribute Massive Datasets

#architecture #backend #database #systemdesign
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7 min read
Rate Limiting: Protecting APIs From Abuse and Traffic Spikes
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Rate Limiting: Protecting APIs From Abuse and Traffic Spikes

#api #backend #security #systemdesign
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8 min read
Authentication at Scale: Sessions, JWT, Tokens, OAuth & Distributed Auth
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Authentication at Scale: Sessions, JWT, Tokens, OAuth & Distributed Auth

#architecture #backend #security #systemdesign
1
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8 min read
Microservices vs Monolith: When to Split Services and When Not To
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Microservices vs Monolith: When to Split Services and When Not To

#architecture #microservices #softwareengineering #systemdesign
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7 min read
CDN: How Websites Serve Content Faster Globally
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CDN: How Websites Serve Content Faster Globally

#infrastructure #networking #performance
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7 min read
WebSockets: How Real-Time Communication Works
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WebSockets: How Real-Time Communication Works

#backend #web #webdev
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9 min read
Message Queues: How Async Processing Makes Systems Faster and More Reliable
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Message Queues: How Async Processing Makes Systems Faster and More Reliable

#architecture #backend #performance #systemdesign
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13 min read
Database Scaling Indexing, replication, read replicas, sharding
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Database Scaling Indexing, replication, read replicas, sharding

#architecture #database #performance #systemdesign
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13 min read
Caching & Redis: How to Reduce Database Load and Make APIs Faster
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Caching & Redis: How to Reduce Database Load and Make APIs Faster

#api #backend #database #performance
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8 min read
Load Balancing: How Do Large Systems Distribute Traffic?
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Load Balancing: How Do Large Systems Distribute Traffic?

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5 min read
Vertical vs Horizontal Scaling: How Do Real Systems Handle Growth?
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Vertical vs Horizontal Scaling: How Do Real Systems Handle Growth?

#architecture #scalability #systemdesign
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8 min read
System Design for Beginners: How to Design Scalable Systems
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System Design for Beginners: How to Design Scalable Systems

#architecture #beginners #scalability #systemdesign
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5 min read
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