Golang

What is a cookie? What is its size and lifetime? Where do they initially come from in the browser?

How do you use the profiler (pprof), how do you look for memory issues?

At what university course are you working from? Why did you choose Go immediately? How did you come to it?

Type Assertion — what is the purpose of this construct?

How is pprof embedded into an application, and how to connect it?

What is the main advantage of ClickHouse, why is it often used and for what?

What is an index?

What will happen if we add too many elements to a slice inside a function?

What are goroutines, and how are they structured internally?

Can you rewrite the task sending construction using range?

//1-10 вывести квадраты, посчитать в нескольких потоках, worker pool

What is Select in Go used for?

Tell me about tokens: what types are there, how they are structured internally, and what they are used for. How does authentication differ from authorization?