Node.js

What is temperature and what does it affect?

What are message queues used for?

Describe the flow of function calling: the user asks 'What's the weather in Moscow?' — what happens under the hood?

What is a contextual window in LLM?

What is atomicity in databases? Provide an example.

What is semantic search within embeddings?

What is rate limit and how to bypass it?

When is memoization needed in React? useMemo, useCallback, React.memo.

What is idempotency?

What can be included in a contextual window besides user messages? Why can a new empty chat be filled up to 15%?

What is a Circuit Breaker?

What is streaming at the level of LLM?

What is tool/function calling in LLM?

When is Redux not needed in a project?

Please implement the code as described by the comment on index.ts:18 The comment is: Implement POST method with auth and error handling, body wich correct MessagesBody interface Replace the comment with your implementation. Optimize for speed. Don't over-explore or over-check your work other than what is absolutely necessary to implement the comment. Once you are done, remove the comment.

What is the difference between types and interfaces in TypeScript?

How to correctly create indexes? What are the disadvantages of indexing?

How to optimize a high-load balance table with tens of thousands of requests per second?

How does Redis differ from PostgreSQL? How is data stored in each?

How to build an agent for a corporate knowledge base (wiki) with minimal costs when dealing with a large volume of documents?