Golang

What text will the console output when running program №25

Junior — Senior

Холодильник.ру

Organized output of numbers from multiple goroutines

Competitive doubling of a number using only channels

Development of a book accounting scheme in a library system

Junior — Middle+

Вкусвилл Автомакон

How will the output change when running goroutines inside a loop

Endless output of the final number from the channel

Merging multiple channels into a single stream

Efficient string concatenation in a loop

Junior — Senior

Холодильник.ру

What output will the console produce when running program №56

What output will the console display when running program №32

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

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

How to keep the original slice unchanged when using append

Deferred call defer: differences between passing values and pointers

Firewall with IP address verification

The effect of the append function on the original slice

Data races in an unsafe counter