What pipeline?
Middle+
371
Golang
8386
379
There are four basic requirements for modern SQL Engines (ACID) — can you name and explain them?
Senior
286
Tell me about your experience working with Go and the tasks you faced.
Senior
285
Tell me more about Redis: what kind of directories are there, what data is stored there?
Senior
280
What are structures in Go and what are they used for?
Middle+
278
How is garbage collection implemented in Go and in which memory area does it operate?
Middle+
268
How many processes or threads can be launched by a single program?
Middle+
262
// numbers from 1 to 10 func main() { done := make(chan struct{}, max_n) for i := 1; i <= max_n; i += batchSize { end := i + batchSize if end > max_n { end = max_n } for j := i; j < end; j++ { go func(n int) { defer func() { done <- struct{}{} }() exit(1) printNumber(n) }(j) } for j := i; j < end; j++ { <-done } } } func printNumber(n int) { time.Sleep(time.Second) fmt.Println(n) }
Middle+
254
// numbers from 1 to 10 func main() { done := make(chan struct{}, 10) for i:=1; i<=10; i++{ go func(){ defer func() {done<-struct{}{}}() printNumber(n) }() } for i:=1; i<=10; i++{ <-done } } func printNumber(n int) { time.Sleep(time.Second) fmt.Println(n) }
Middle+
252
What libraries have you used in your project?
Middle+
252
What is the abbreviation for cost per click called in English?
Senior
247
List the main data structures and give examples of their implementation/use in Go (arrays, slices, map/hash table).
Senior
245
What do you use to apply migrations?
Middle+
243
Topic with 3 partitions. Case 1: 2 consumers. Case 2: 5 consumers. How are messages distributed?
Senior
241
What exactly did you do with ClickHouse — working with the cluster, replication, table partitioning?
Senior
241
Is a table with (id PRIMARY KEY, data JSON) a good index for searching by key in PostgreSQL?
Middle+
232
What is the difference when comparing asynchronous and multithreading?
Middle+
231
// Дана строка s. Нужно найти длину самой длинной подстроки без повторяющихся символов. // Примеры: // s = "abcabcbb", ответ: 3 ("abc") // s = "cccccccc", ответ: 1 ("c") // s = "pwwkew", ответ: 3 ("wke") // s = "", ответ: 1 = 0 // Строка s состоит из английских букв, цифр, символов и пробелов func lengthOfLongestSubstring(s string) int { return 0 }
Middle+
229
What characterizes subscribers in the Pub/Sub pattern?
Senior
228
What is the difference between JOIN and UNION?
Senior
227