Golang

Can you explain what is meant by the term 'variable capture' in programming?

What is the role of a trigger in a database and why is it used?

Junior — Middle

Avito

Is a structure in Go compatible with the Comparable interface?

What types of SQL queries can you create and use in practice?

Junior — Middle

Альфа-Банк

How is data replication carried out in distributed systems?

What happens if you try to close a channel that is already closed?

Junior — Middle

Avito

What are the advantages and disadvantages of applying Reservation without using pointers?

How is mutual exclusion implemented using Mutex in Go language?

Junior — Middle

Wildberries

X5 group

Купер

What does using data protection mechanisms when forming SQL queries mean and what are their advantages?

What is the main function of Pgxpool and why is it used in databases?

Can you explain what is meant by the concept of consistency in data storage systems?

Junior — Middle

Газпром

Газпромбанк

Is persistent connection supported in the HTTP/1.1 protocol?

Junior — Middle

СБЕР дейвайсы

What is the difference between a buffered channel and an unbuffered channel in the context of inter-goroutine communication?

Junior — Middle

Эрливидео

Wildberries

What are the advantages and disadvantages of using gRPC compared to other remote procedure call protocols?

Can you give examples of situations where type assertion is used in programming languages?

How are system calls that block the execution of processes or threads implemented?

Why are empty structures used in Go language?

What approach to authentication and authorization would you apply in your system?

How can you handle a program's emergency termination caused by a panic when using the defer statement?

Junior — Middle

Mail.ru

How can keys in a map be used to create data structures that are not initially provided for in the language?