Node.js

What are Map and Set, and how do they differ?

Tell about the principles of ACID in relational databases.

Как обеспечивал exactly-once доставку, или это только про консистентность?

[name] asked: How do you use AI for programming?

What levels of transaction isolation do you know and what do they mean?

What is an EventEmitter and how does it work?

What are the possible values of the CSS property position?

We rolled back the migration, everything is alive. We need to deploy a feature — what will you do next if you just deploy again, and everything will repeat?

var i = 1; i < 5; i++ { setTimeout(() => console.log(i), 1000) } const userName = new MyComparatorConstructor('Sinichkin') try { if (userName == "Ivanov" || pet row || Skidorov) { console.log('Access granted') } else { console.log('Forbidden') } } catch (error) { if (error instanceof ComparisonProhibited) { } } .valueOf .toString .String.toPrimitive

What React hooks do you know?

How would you approach building user loyalty on an AI platform like ZuruGPT? What analytics and observability tools would you use?

In which cases is it better to use local state, and in which — global state?

Name the promise methods (Promise.resolve, Promise.reject, and others)

Have you ever worked with streams in Node.js?

Why choose FLOAT type for balance? How does it differ from DECIMAL? What changes if INTEGER is used?

What are generators?

[name] asked: Did you manage to learn Italian?

What is the difference between synchronous and asynchronous code?

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.

Code review of React component (registration form): identify issues and suggest improvements.