Cyber Security & AI Masterclass
Advanced Engineering Guide to Zero Trust, AI-Driven Threats, and Modern AppSec Hardening
Apache JMeter
Load testing, thread groups, samplers, assertions, distributed testing, CI/CD integration
Spring Boot + MQTT 3.x
Solving shared subscriptions, backpressure & slow subscribers with RabbitMQ bridge, MongoDB, resilience patterns & scaling
Spring Boot Metrics with Micrometer
Counters, gauges, timers, distributions, Prometheus integration, AOP config, PromQL examples
Spring Integration Cheatsheet
Annotation-based EIP: @ServiceActivator, @Transformer, @Filter, @Router, @Splitter, @Aggregator, @Gateway, channels, error handling, testing & real-world patterns
Project Reactor + WebClient + Reactive MongoDB
Mono, Flux, operators, error handling, backpressure, WebClient, reactive MongoDB, testing with StepVerifier, production patterns & pitfalls
Spring Boot 3.x Cheatsheet
Setup, REST, DI, JPA, Security, Testing, Actuator, Logging, Deployment — 38 annotations reference
AI Prompting Cheatsheet
Prompt engineering techniques, system prompts, RAG patterns, agent design, model-specific tips
vLLM Serving Cheatsheet
Installation, single/multi-GPU, multi-node Ray clusters, quantization, API server, performance tuning, production deployment