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Sliding Window Algorithm : Beginners to Advanced Engineers

Sliding Window Algorithm, What is the Sliding Window Approach?, Why Use Sliding Window? Where to Use Sliding Window, How Sliding Window Works with Examples
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What is Two Pointer Approach?

The two-pointer technique is a foundational pattern for solving array, string, and linked-list problems in linear (or near-linear) time with constant extra space
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Check if a Linked List is Palindrome

Palindrome Linked List | Check if a Linked List is Palindrome O(n) time and O(1) space | Fast & Slow Pointer Method with In-Place Second Half Reversal
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My Meta (Facebook) Round 1 Interview Experience , SDE III ~ Aug 2025

Read my Meta (Facebook) SDE III Round 1 interview experience (Aug 2025) with detailed DSA questions, problem-solving approach.
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Prompt Engineering : Common Prompt Patterns for AI

Discover the most effective prompt patterns for AI tools like ChatGPT and Claude. Learn with templates, examples, and tips to craft better prompts for accurate, creative, and consistent results.
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System Design Interview – BIGGEST Mistakes to Avoid

Learn the biggest mistakes to avoid in a system design interview, from unclear requirements to poor trade-off analysis. Includes real-world cases, advanced insights and examples to help you ace your next system design interview.
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Top 50+ SQL Interview Questions and Answers for Intermediate to Advanced

Top SQL Interview Questions and Answers for Intermediate to Advanced. Top SQL Interview Questions for experience. Frequently asked SQL interview questions with answers
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SQL Performance Tuning : Advanced Techniques with Examples

SQL Performance Tuning: A Complete Guide with Advanced Techniques and Examples, SQL Query Performance Tuning
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Top 50 SQL Interview Questions and Answers (Beginner to Intermediate)

Top 50 SQL Interview Questions and Answers (Beginner to Intermediate). Top SQL Interview Questions for fresher. Frequently asked SQL interview questions with answers
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Top SQL Interview Questions for 2025

Top 10 SQL Interview Questions for 2025 (With Answers and Examples), Top SQL interview question and answer , SQL FAQs
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Mastering the Singleton Design Pattern in C#

Mastering the Singleton Design Pattern in C#, Singleton Design Pattern in Depth: Structure, Use Cases and Best Practices, in depth design pattern, LLD , low level design
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Salesforce Online Assessment Experience June 2025

Salesforce Online Assessment Experience June 2025
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A Structured Approach to Cracking Technical Interviews

A Structured Approach to Cracking Technical Interviews. how to prepare for Technical Interviews? Technical Interviews preparation guideline
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List Handling in Java vs C# vs C++ – A Deep Comparison

List Handling in Java vs C# vs C++ A Deep Comparison, This comparison provides a full view java , c# and c++ List like data structures
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Mastering React Hooks : The Complete Guide

Learn everything about React Hooks from useState and useEffect to custom hooks, performance optimization and real-world use cases. Ideal for beginners to advanced developers.
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Static Class vs Singleton in C#

Static Class vs Singleton in C#: A Complete Deep Dive
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Agentic AI : The Rise of Autonomous Digital Agents How They Work, Why They Matter and What’s Next

Explore how Agentic AI autonomous AI systems powered by LLMs and reinforcement learning. Agentic AI The Rise of Autonomous Digital Agents How They Work Why They Matter and What’s Next
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How to Approach HR Interview Questions

How to Approach HR Interview Questions , What to Keep in Mind While Answering HR Interview Questions, HR Interview Questions and Answers
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HR Interview Questions and Answers For Freshers

HR Interview Questions and Answers For Freshers
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Top High-Level Design(HLD) Interview Questions 2025

Top High-Level Design(HLD) Interview Questions and answers, HLD QnA, HLD interview preparation
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Most Popular Tools

Explore our top online tools including a blank page for notes, a QR code generator, word counter and collaborative editor. These free, easy-to-use utilities help you write, analyze, share and organize content faster. Perfect for developers, creators and students to streamline everyday digital tasks efficiently.

Blank Page

Create a blank canvas for your ideas, notes or sketches. Use this tool for rough work and jotting down your thoughts

QR Code Generator

A QR Code Generator is a tool that instantly converts text, URLs or other data into a scannable QR code. Users can create custom QR codes for websites, contact info or messages. It's commonly used for quick access, sharing and printing without needing a backend or complex setup.

Word Counter

Perform various string operations like counting characters, words or letters.

Collaborative Editor

Collab Editor is a powerful, free-to-use online platform that lets you collaborate in real-time. Whether you re working on documents, brainstorming idea, or discussing projects etc