https://sudonull.com/legacy-code-optimization-reducing-processing-time-by-99
How to speed up processing of 75k records in a legacy system in 4 steps. Analysis of overhead costs, batch operations, batch setup and safe scaling. Practical case for Java developers.
https://sudonull.com/java-backend-courses-2026-top-7-programs
Choose a Java backend course for 2026: Netology, Skillbox, Hexlet. Spring Boot, microservices, internships, AI. Comparison, projects, reviews. Start learning!
https://sudonull.com/cuba-platform-for-java-pros-and-cons
CUBA Platform Breakdown: how the framework speeds up hackathons but slows down production. Comparison with Spring, scaling issues, vendor lock-in. For middle/senior devs — read cases and conclusions.
https://sudonull.com/threads-in-java-architecture-and-synchronization
Breakdown of threads from processor to JVM: Race Condition, monitors, ReentrantLock, CompletableFuture. For middle/senior developers. Master without errors in production.
https://sudonull.com/stream-api-vs-flux-differences-for-java-developers-guide
We break down the architectural differences between Stream API and Flux. Learn when to use each tool and avoid critical design errors. Read the detailed guide.
Learn what is object oriented programming, its four pillars, real-world examples, and why it matters for building scalable, maintainable software. Start mastering OOP today.
Docker container networking explained in depth: learn bridge vs host networks, DNS, port publishing, and how to build secure, scalable multi-container apps.
Compare fine tuning vs retrieval augmented generation for LLMs. Learn which approach suits your AI project based on accuracy, cost, and data freshness.
SpaceX and KDDI launched satellite communication for smartphones in Japan. Learn how Starlink Direct-to-Cell works, who can access it, and what hidden geopolitical goals this project pursues.
PostgreSQL vs MySQL which one to choose? Compare features, performance, scalability, and use cases. Make an informed decision for your project with this data-driven guide.
Master prompt engineering best practices with 15 proven techniques. Learn to craft effective prompts, reduce errors, and get better AI results. Start optimizing now.
Learn how to choose a database for your system with this evidence-based framework. Compare SQL, NoSQL, graph, and time-series databases to make the right decision.
Google introduced Gemini Ultra 2.0 with a context of up to 10 million tokens, surpassing GPT-5. Learn about the breakthrough architecture, price of $0.0005, and impact on the AI market. Read the full analysis.
Learn how does retrieval augmented generation work: RAG reduces AI hallucinations, grounds responses in real data, and transforms LLMs into trustworthy systems. Start now.
Learn how to use Terraform with AWS step by step. Master provider setup, state management, security, and production-grade deployments. Start building today.