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    <description>DeepTechHub publishes in-depth articles on Java, Spring Boot, security, microservices, cloud architecture, DevOps, and AI.</description>
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      <title>Practical Application Security for Developers - Part 1: Cryptographic Foundations</title>
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      <pubDate>Sat, 16 May 2026 17:00:00 GMT</pubDate>
      <description>Understand hashes, HMAC, AES, and practical cryptographic decisions for backend systems with Java examples.</description>
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      <title>Practical Application Security for Developers - Part 2: Public Key Cryptography and Certificates</title>
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      <pubDate>Sat, 16 May 2026 16:00:00 GMT</pubDate>
      <description>Learn RSA, ECC, digital signatures, X.509 certificates, and practical certificate handling for modern applications.</description>
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      <title>Practical Application Security for Developers - Part 4: Modern Authentication and Identity</title>
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      <pubDate>Sat, 16 May 2026 15:30:00 GMT</pubDate>
      <description>A practical guide to JOSE, JWS, JWE, JWK, JWKS, and secure token validation in real APIs.</description>
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      <title>Practical Application Security for Developers - Part 3: TLS and Secure Communication</title>
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      <pubDate>Sat, 16 May 2026 15:00:00 GMT</pubDate>
      <description>A practical guide to TLS 1.3, mTLS, ingress termination, Spring Boot HTTPS, and production hardening.</description>
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      <title>Practical Application Security for Developers - Part 5: OAuth 2.0, OpenID Connect, and SSO</title>
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      <pubDate>Sat, 16 May 2026 13:00:00 GMT</pubDate>
      <description>Understand OAuth 2.0, OpenID Connect, PKCE, refresh tokens, SSO, and what secure login flows require in practice.</description>
      <category>security</category>
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      <title>Practical Application Security for Developers - Part 6: Passwordless Login</title>
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      <pubDate>Sat, 16 May 2026 12:00:00 GMT</pubDate>
      <description>Compare magic links, OTP, passkeys, and WebAuthn with practical implementation guidance for passwordless login.</description>
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      <title>Practical Application Security for Developers - Part 7: Securing the Service-to-Service Call Chain</title>
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      <pubDate>Sat, 16 May 2026 11:00:00 GMT</pubDate>
      <description>Secure internal call chains with service identity, mTLS, client credentials, signed requests, and layered authorization.</description>
      <category>security</category>
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      <title>Apache Commons: Practical Guide to Essential Utilities</title>
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      <pubDate>Sat, 28 Mar 2026 00:00:00 GMT</pubDate>
      <description>Hands-on Java examples for Apache Commons Lang3, IO, Collections4, Text, Codec, and Validator—covering the utilities developers reach for most in real projects.</description>
      <category>java</category>
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      <title>Enum with Lambda (Strategy Pattern) in Java</title>
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      <pubDate>Thu, 26 Mar 2026 00:00:00 GMT</pubDate>
      <description>Learn how to use Enum + Lambda as a practical Strategy Pattern in Java, with real-world examples and clean, interview-friendly code.</description>
      <category>design</category>
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      <title>Coding Interview Patterns for Java Developers</title>
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      <pubDate>Tue, 24 Mar 2026 00:00:00 GMT</pubDate>
      <description>A practical guide to the most important coding interview patterns with Java examples, problem-solving heuristics, and interview-ready tips.</description>
      <category>dsa</category>
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      <title>Factory + Strategy Design Patterns: Payment Processing in Java</title>
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      <pubDate>Tue, 24 Mar 2026 00:00:00 GMT</pubDate>
      <description>Learn how to combine Factory and Strategy patterns to build flexible, maintainable payment processing systems. Real-world example with complete Java implementation.</description>
      <category>design</category>
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      <title>Dynamic Programming for Java Developers: Complete Practical Guide</title>
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      <pubDate>Sun, 22 Mar 2026 00:00:00 GMT</pubDate>
      <description>A comprehensive, easy-to-understand Dynamic Programming guide for Java developers. Learn DP with patterns, Java code, and interview-ready problem-solving steps.</description>
      <category>dsa</category>
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      <title>Kubernetes in Practice: A Hands-On Guide Using Docker Desktop</title>
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      <pubDate>Wed, 04 Mar 2026 00:00:00 GMT</pubDate>
      <description>Deep dive into Kubernetes using Docker Desktop</description>
      <category>devops</category>
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      <title>Mastering Stack and Queue in Java</title>
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      <pubDate>Thu, 26 Feb 2026 00:00:00 GMT</pubDate>
      <description>Mastering Stack and Queue in Java: Concepts, Implementations, and Best Practices</description>
      <category>java</category>
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      <title>Troubleshooting Java Applications</title>
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      <pubDate>Wed, 14 Jan 2026 00:00:00 GMT</pubDate>
      <description>A Practical Guide for troubleshooting Java applications using debugging and profiling techniques</description>
      <category>java</category>
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      <title>🔥 11 Most Useful Java Features From Java 21 To 25</title>
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      <pubDate>Tue, 25 Nov 2025 00:00:00 GMT</pubDate>
      <description>Collection of most useful features added in Java 21 to 25</description>
      <category>java</category>
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      <title>Securing Chrome Extension using Auth0 Authentication</title>
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      <pubDate>Sun, 05 Oct 2025 00:00:00 GMT</pubDate>
      <description>Step by step guide for implementing Authentication using Auth0 in chrome extension</description>
      <category>security</category>
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      <title>Microservices Logging with Correlation IDs in Spring Boot</title>
      <link>https://deeptechhub.dev/blog/spring-boot-corelationid</link>
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      <pubDate>Tue, 10 Jun 2025 00:00:00 GMT</pubDate>
      <description>Implementing Microservices Logging with Correlation IDs in Spring Boot</description>
      <category>microservices</category>
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      <title>Building APIs with Spring Boot and GraphQL</title>
      <link>https://deeptechhub.dev/blog/spring-boot-graphql</link>
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      <pubDate>Tue, 10 Jun 2025 00:00:00 GMT</pubDate>
      <description>A Step-by-Step Guide with Practical Implementation</description>
      <category>spring-boot</category>
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      <title>A Complete Guide to Testing Spring Boot Microservices</title>
      <link>https://deeptechhub.dev/blog/spring-boot-testing</link>
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      <pubDate>Mon, 26 May 2025 00:00:00 GMT</pubDate>
      <description>Unit, Integration, and End-to-End testing Strategies for Reliable Microservice Applications</description>
      <category>testing</category>
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      <title>Java Stream API Deep Dive</title>
      <link>https://deeptechhub.dev/blog/java-streams-guide</link>
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      <pubDate>Fri, 11 Apr 2025 00:00:00 GMT</pubDate>
      <description>Master the Stream API for functional programming in Java</description>
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