Golang

Worker pool with lifecycle management

Defining your own error type

Enhancing the resilience of a high-traffic service

Definition of the result of a competitive write into a map cell

Sequential network requests

Junior — Senior

Mail.ru

Acceleration of parallel user data retrieval within a fixed period

Middle — Senior

Mail.ru

Monitoring website accessibility

Constructing a microservice for executing money transfers

Returning a value when using defer with a named result

Designing the library schema and writing SQL queries

What output will the console get in example №36

Junior — Senior

МТС Cloud

Replacing the fourth character of the string with the letter 'Ы'

Designing a scalable URL shortening service

Merging multiple streams into a single channel

What output will appear in the console when running program №79

Junior — Senior

Лига Цифровой Экономики

Adjusting the behavior of slices in Go

What output will program №61 produce

Junior — Senior

Yadro

What result will the program with goroutines №23 output

What result will program №26 output

Junior — Senior

Холодильник.ру

Analysis of passing a pointer to a structure to a function