Golang

Designing a scalable messenger similar to Telegram

What output will appear in the console when running program №57

Junior — Senior

Wildberries

What text will appear in the console when the program is run?

Junior — Senior

Касперский

10 clients with the highest total number of purchases

Eliminate panic when attempting to write to a closed channel

What will be the output of program №58

Junior — Senior

Wildberries

Getting city names along with the names of their inhabitants

Determining the use of a composite index without a filter on the first field

What output will appear in the console (example 27)

How does a closure affect the value of a variable in a goroutine

Merging data from multiple channels into a single stream

What text will the program output in Go (example 59)

Junior — Senior

Wildberries

Possible issues in implementing the logger

Junior — Senior

Касперский

What result will the console output in example №3

Junior — Senior

Касперский

What output will the program produce

Junior — Senior

Wildberries

Number of users in each city

Error implemented through the error interface

What text will appear in the console when running program №1

Junior — Senior

Касперский

How to correctly compare error with nil in Go

What will the program print when passing a slice to a function

Junior — Senior

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