By Working Example

A comprehensive guide to Spring Boot 4’s HTTP Service Interface Clients with real-world examples. Learn how to build declarative REST clients with service groups, OAuth2 integration, HTTP Basic authentication, custom message converters, and global configuration.

Topics: HTTP Service Client, declarative HTTP interfaces, service groups, OAuth2, RestClient
Category: Spring Framework • Date: 2025-11-23

Learn the foundational concepts of AI-powered search and question-answering systems. This comprehensive guide covers embeddings, vector databases, semantic search, and Retrieval-Augmented Generation (RAG) with practical Spring AI implementation examples.

Topics: Embeddings, vector search, RAG, Spring AI, PgVector, semantic search
Category: AI • Date: 2025-11-06

A comprehensive summary of key lessons from the Anthropic prompt engineering interactive tutorial. Learn effective techniques for working with Claude using the Messages API, including clear prompting, role assignment, XML tags, few-shot learning, and avoiding hallucinations.

Topics: Basic prompt structure, clear instructions, role prompting, XML tags, output formatting, step-by-step thinking
Category: AI • Date: 2025-10-09

Spring Framework 6.1 introduced RestClient, a modern and fluent API for synchronous HTTP communication. This comprehensive guide covers everything from basic requests to advanced features like declarative HTTP interfaces.

Topics: HTTP methods, authentication, error handling, HTTP interfaces, interceptors
Category: Spring Framework • Date: 2025-10-11

Spring Framework 6.1 introduced JdbcClient, a modern and fluent API for database access. Learn everything from basic queries to advanced features, and how to transition from JdbcTemplate.

Topics: Basic operations, parameter binding, batch updates, custom row mapping, transaction management
Category: Spring Framework • Date: 2025-10-09

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