Golang

Organized output of numbers from multiple goroutines

Reliable access to a slow and unstable service

Development of a book accounting scheme in a library system

Junior — Middle+

Вкусвилл Автомакон

Competitive doubling of a number using only channels

Merging multiple channels into a single stream

How will the output change when running goroutines inside a loop

Endless output of the final number from the channel

Efficient string concatenation in a loop

Junior — Senior

Холодильник.ру

What output will the console display when running program №32

What output will the console produce when running program №56

Creating an optimal index for a complex SELECT query

Junior — Senior

Холодильник.ру

How to determine which queries use a composite index

Junior — Senior

МТС

Determining the output of dividing 1 by n in a concurrent Go program

Optimization and fixing concurrent access to the map

Searching for an element in a sorted array using a binary algorithm

The effect of the append function on the original slice

Data races in an unsafe counter

Counting the current demand for taxis at a given point

Estimating program runtime with 10 goroutines

Selection of unique book titles with more than three authors