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Dev Cookies

Passionate developer crafting code and stories for a tech-infused world. Join me on the journey of innovation and growth.

The Complete Guide to Archiving and Compression in Linux: `tar` & `zip`

The Complete Guide to Archiving and Compression in Linux: `tar` & `zip`

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3 min read
The Ultimate Linux Command Guide for Developers: Master Your Terminal

The Ultimate Linux Command Guide for Developers: Master Your Terminal

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4 min read
Calling REST Services in Spring Boot: Complete CRUD Operations With and Without Feign Client

Calling REST Services in Spring Boot: Complete CRUD Operations With and Without Feign Client

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19 min read
🔄 Understanding the Spring Boot Lifecycle

🔄 Understanding the Spring Boot Lifecycle

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2 min read
📦 Container Lifecycle in Kubernetes/Docker

📦 Container Lifecycle in Kubernetes/Docker

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2 min read
🔄 Understanding Spring Boot Lifecycle Hooks: From Bean Creation to Application Ready

🔄 Understanding Spring Boot Lifecycle Hooks: From Bean Creation to Application Ready

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3 min read
Designing Clean, Scalable Microservices: Understanding Class Types in Low-Level Design

Designing Clean, Scalable Microservices: Understanding Class Types in Low-Level Design

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3 min read
Understanding the Law of Demeter in Object-Oriented Design

Understanding the Law of Demeter in Object-Oriented Design

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2 min read
Understanding Java Interfaces: Beyond Default and Static Methods

Understanding Java Interfaces: Beyond Default and Static Methods

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2 min read
Mastering Java Stream API: A Complete Guide to Functional Programming in Java

Mastering Java Stream API: A Complete Guide to Functional Programming in Java

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9 min read
Building Highly Scalable, Stable, and Secure Microservices with Spring Cloud

Building Highly Scalable, Stable, and Secure Microservices with Spring Cloud

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3 min read
Imperative vs. Reactive Programming: Choosing the Right Paradigm for Modern Java Microservices

Imperative vs. Reactive Programming: Choosing the Right Paradigm for Modern Java Microservices

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2 min read
The Complete Guide to Serverless Computing: Focus on Logic, Not Infrastructure

The Complete Guide to Serverless Computing: Focus on Logic, Not Infrastructure

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4 min read
Spring AI: Empowering Java Developers with Generative AI

Spring AI: Empowering Java Developers with Generative AI

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6 min read
🔧 Mastering Maven Commands & Lifecycle: A Complete Guide

🔧 Mastering Maven Commands & Lifecycle: A Complete Guide

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2 min read
Kubernetes Pre-Application Initialization: A Complete Guide to Running Tasks Before Your Main Container Starts

Kubernetes Pre-Application Initialization: A Complete Guide to Running Tasks Before Your Main Container Starts

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8 min read
The Complete Guide to Modern Java Map Operations: From Beginner to Advanced

The Complete Guide to Modern Java Map Operations: From Beginner to Advanced

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10 min read
The Complete Remote Work Ecosystem: 100+ Job Boards, Emerging Platforms & Hidden Gems for 2025

The Complete Remote Work Ecosystem: 100+ Job Boards, Emerging Platforms & Hidden Gems for 2025

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7 min read
The Ultimate Guide to 75+ Remote Job Boards in 2025: Your Complete Directory for Landing Remote Work

The Ultimate Guide to 75+ Remote Job Boards in 2025: Your Complete Directory for Landing Remote Work

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5 min read
The Complete Developer's Guide to Package Management and Tool Installation

The Complete Developer's Guide to Package Management and Tool Installation

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9 min read
🚀 Building & Running Multiple Services with Docker Compose

🚀 Building & Running Multiple Services with Docker Compose

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3 min read
A Complete Guide to Mastering Linked-List Problems

A Complete Guide to Mastering Linked-List Problems

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4 min read
The Ultimate DSA Patterns Guide for Top Tech Interviews

The Ultimate DSA Patterns Guide for Top Tech Interviews

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23 min read
The Ultimate Guide to DSA Patterns for Top Tech Company Interviews

The Ultimate Guide to DSA Patterns for Top Tech Company Interviews

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20 min read
Binary Search Patterns Series — Blog 5: Cheat Sheet & Edge Cases

Binary Search Patterns Series — Blog 5: Cheat Sheet & Edge Cases

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3 min read
Binary Search Patterns Series — Blog 4: 2D Matrix & Advanced Variants

Binary Search Patterns Series — Blog 4: 2D Matrix & Advanced Variants

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2 min read
Binary Search Patterns Series — Blog 3: Rotated & Special Arrays

Binary Search Patterns Series — Blog 3: Rotated & Special Arrays

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2 min read
Binary Search Patterns Series — Blog 2: Monotonic Functions & Answer Search

Binary Search Patterns Series — Blog 2: Monotonic Functions & Answer Search

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3 min read
Binary Search Patterns Series — Blog 1: Classic Binary Search & Variants

Binary Search Patterns Series — Blog 1: Classic Binary Search & Variants

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3 min read
📝 Blog 10: DP Optimization Techniques 🚀

📝 Blog 10: DP Optimization Techniques 🚀

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📝 Blog 9: DP with Bitmasking (Advanced State Compression) 🎭

📝 Blog 9: DP with Bitmasking (Advanced State Compression) 🎭

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📝 Blog 8: DP on Trees & Graphs 🌳🔗

📝 Blog 8: DP on Trees & Graphs 🌳🔗

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📝 Blog 7: DP on Intervals 🧩

📝 Blog 7: DP on Intervals 🧩

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📝 Blog 6: DP on Subsequences (Arrays & Strings)

📝 Blog 6: DP on Subsequences (Arrays & Strings)

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📝 Blog 5: DP on Subsequences (Patterns in Arrays/Strings)

📝 Blog 5: DP on Subsequences (Patterns in Arrays/Strings)

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4 min read
📖 Blog 4: Knapsack Pattern (Subset/Partition DP) 🎒

📖 Blog 4: Knapsack Pattern (Subset/Partition DP) 🎒

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📖 Blog 3: Mastering 2D Grid DP (Matrix Problems)

📖 Blog 3: Mastering 2D Grid DP (Matrix Problems)

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5 min read
📝 Blog 2: 1D DP Patterns – Linear Problems

📝 Blog 2: 1D DP Patterns – Linear Problems

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4 min read
🧩 Dynamic Programming (DP) Mastery Series — Roadmap

🧩 Dynamic Programming (DP) Mastery Series — Roadmap

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1 min read
🚀 Blog 10: Advanced Graph Tricks & Real-World Applications

🚀 Blog 10: Advanced Graph Tricks & Real-World Applications

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3 min read
⚡ Blog 9: Advanced Graph Patterns (Flow, Matching, Bipartite)

⚡ Blog 9: Advanced Graph Patterns (Flow, Matching, Bipartite)

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3 min read
🔗 Blog 8: Strongly Connected Components (SCCs) & Bridges / Articulation Points

🔗 Blog 8: Strongly Connected Components (SCCs) & Bridges / Articulation Points

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4 min read
🧩 Blog 7: Union-Find / Disjoint Set Pattern (DSU Mastery Guide)

🧩 Blog 7: Union-Find / Disjoint Set Pattern (DSU Mastery Guide)

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📘 Blog 6: Minimum Spanning Tree (MST) 🌉

📘 Blog 6: Minimum Spanning Tree (MST) 🌉

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🚦 Shortest Path Algorithms in Graphs

🚦 Shortest Path Algorithms in Graphs

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4 min read
🏗️ Topological Sort & DAG Problems

🏗️ Topological Sort & DAG Problems

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3 min read
📘 Blog 3: DFS Pattern (Path Exploration, Connectivity, Components) 🌐

📘 Blog 3: DFS Pattern (Path Exploration, Connectivity, Components) 🌐

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4 min read
📘 Blog 2: BFS Pattern (Level Order, Shortest Path in Unweighted Graphs) 🌐

📘 Blog 2: BFS Pattern (Level Order, Shortest Path in Unweighted Graphs) 🌐

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3 min read
📖 Blog 1: Graph Fundamentals & Representations 🕸️

📖 Blog 1: Graph Fundamentals & Representations 🕸️

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3 min read
📚 Mastering Graphs: Pattern-Based Blog Series

📚 Mastering Graphs: Pattern-Based Blog Series

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2 min read
Blog 9: Optimization with Pruning in Backtracking ✂️

Blog 9: Optimization with Pruning in Backtracking ✂️

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Blog 8: Decision Tree Pattern in Backtracking 🌳

Blog 8: Decision Tree Pattern in Backtracking 🌳

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Blog 7: Path Search & Maze Pattern Problems 🏞️

Blog 7: Path Search & Maze Pattern Problems 🏞️

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Blog 6: Word Search & Grid-Based Backtracking🧩

Blog 6: Word Search & Grid-Based Backtracking🧩

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3 min read
Blog 5: N-Queens & Constraint Satisfaction Problems (CSPs) 👑

Blog 5: N-Queens & Constraint Satisfaction Problems (CSPs) 👑

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3 min read
Blog 4: Combination & Combinatorial Search (Extended Guide)

Blog 4: Combination & Combinatorial Search (Extended Guide)

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4 min read
Blog 3: Permutation Pattern (Extended Guide)

Blog 3: Permutation Pattern (Extended Guide)

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Blog 2: Subset & Power Set Pattern

Blog 2: Subset & Power Set Pattern

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Blog 1: Backtracking Fundamentals – The Foundation of Recursive Problem Solving

Blog 1: Backtracking Fundamentals – The Foundation of Recursive Problem Solving

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3 min read
Series: Mastering Backtracking Patterns in DSA

Series: Mastering Backtracking Patterns in DSA

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2 min read
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