Notes Hub

flashcards

34 items with this tag.

[Topic]
AI / RAG / LangChain — Interview Refresher
AWS — Interview Refresher
CompletableFuture
Concurrency Basics — Threads, Process & Memory
CQRS — Full Notes
Creating Threads — Runnable vs Thread, start() vs run()
Deadlock & the Money-Transfer Trap
Garbage Collection — Full Notes
Garbage Collection — Refresher
Generics — Full Notes
Generics — Refresher
HashMap — Refresher
HashMap Internals
Hibernate / JPA — Interview Refresher
Immutability, final, String safety, ThreadLocal & Object Pools
Message Broker vs Message Queue (+ Kafka)
Normalization vs Denormalization
OSI vs TCP/IP, and TCP / HTTP
PL/SQL — Interview Refresher
Python — Interview Refresher
Race Conditions & the Three Tools (volatile / synchronized / atomic)
Saga & Distributed Transactions — Interview
Saga Pattern — Full Notes
Second-Highest Value (classic SQL question)
Spring & Spring Boot — Interview Refresher
SQL Joins
SSH, Tunneling & Port Forwarding (Codespaces)
synchronized: block vs method vs class + Singleton safety
System Design — Interview Refresher
Thread Lifecycle & join()
To Correct - Http Status Code
- flashcards
Tomcat vs Vert.x, Sessions & Stateless REST
WebSocket

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To Correct - Http Status Code