LLM Customization and Fine-Tuning is a hands-on playbook for turning a general-purpose open-weights model into a focused, cost-efficient system that’s tailored to your business. You’ll explore the complete adaptation spectrum, from prompting and RAG, through LoRA and QLoRA, to fully supervised fine-tuning, knowledge distillation, and preference alignment with DPO. 

Everything you learn is fully reproducible on cost-effective and easy-to-access hardware. You’ll train LoRA and QLoRA adapters on a modest consumer card and perform full fine-tuning on a 

Spring Start Here, Second Edition by Laurenţiu Spilcă is a foundations-first introduction to the Spring framework. Perfect for Spring beginners, it steadily builds understanding through practical projects that explore the main ideas of Spring: configuration, beans, web endpoints, data access, and application structure. 

Fully updated for Spring Framework 7 and Spring Boot 4, this practical book prepares you for fast development, clean application design, efficient cloud-native systems, and reliably-secure applications. Along the way, you’ll learn some best practices for applying your knowledge of Spring fundamentals when you’re using AI and agentic coding tools. [Read more]