Golang

Worker pool with lifecycle management

Defining your own error type

Determining the output of the printMemStat() function when working with slices

Constructing a microservice for executing money transfers

Acceleration of parallel user data retrieval within a fixed period

Middle — Senior

Mail.ru

Monitoring website accessibility

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

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

Sequential network requests

Junior — Senior

Mail.ru

Returning a value when using defer with a named result

What output will the console get in example №36

Junior — Senior

МТС Cloud

Designing the library schema and writing SQL queries

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

Junior — Senior

Лига Цифровой Экономики

What output will program №61 produce

Junior — Senior

Yadro

Adjusting the behavior of slices in Go

Merging multiple streams into a single channel

Optimization and improvement of an existing service

What text will appear in the console when running program №18

Analysis of passing a pointer to a structure to a function

Designing high-level architecture of the service