Iswanul Umam
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Handbooks & Guides

Comprehensive guides and documentation on various technologies and concepts. These handbooks are continuously updated with best practices and real-world examples.

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Go Handbook

Comprehensive guide to Go programming, covering fundamentals, concurrency, and best practices for building production systems.

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Java Handbook

In-depth Java reference including Spring Boot, JVM internals, design patterns, and enterprise application development.

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System Design Handbook

Guide to designing scalable distributed systems, covering architecture patterns, trade-offs, and real-world case studies.

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Database Handbook

Deep dive into relational and NoSQL databases, query optimization, indexing strategies, and transaction management.