Node.js

In what cases is it undesirable to use a microservices architecture?

What monitoring and analytics tools have you used in your projects?

What is the main purpose of using a framework in software development?

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

In which cases is an index not used? When is it better to use a hash index instead of a B-tree?

You found out through EXPLAIN ANALYZE that your queries are suboptimal. What are the most common causes of query inefficiency?

What is semantic search within embeddings?

What is the purpose of guards in programming and in what situations is their use justified?

How do JSON and JSONB differ in PostgreSQL?

Why does an async function return a Promise if called without await?

What methods and approaches do you use to ensure security in your projects?

You are deploying a new feature to the test environment and it causes the test environment to go down. What will you do?

// 2. Formulate a query to select users who do not have a EUR wallet.

Do you have ambitious plans for professional growth and skill development?

Why are you considering the offer now?

Senior

Selecty

function fixed (f) { const me = this return function next (...a) { if (a.length < f.length) { return function (...b) { return next(...a, ...b) } } return f.call(me, ...a) } } export default fixed

What motivates you to work in this field?

Why is async/await needed?

What methods can be used to detect and fix memory leaks in an application?

What affects the performance of a Node.js application?