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Latest Tutorials

How to optimize React performance?

I'm having issues with my React app performance. Any suggestions for optimization techniques?

Best practices for REST API design

Sharing some best practices I've learned about designing RESTful APIs...

JavaScript closure question

Can someone explain closures in JavaScript with a practical example?

Interview Preparation

System Design Patterns

Learn how to design scalable systems for technical interviews

Behavioral Questions Guide

How to answer "Tell me about yourself" and other behavioral questions

Frontend Interview Roadmap

Complete preparation guide for frontend engineering roles

Test Series

Java MCQ Test

50 questions • 60 minutes • Advanced level

SQL Quiz

30 questions • 45 minutes • Intermediate level

JavaScript Test

40 questions • 50 minutes • Advanced level

Data Structures Challenge

25 problems • 90 minutes • Expert level

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