How does the composite index (A, B, C) work in queries?
Middle+
141
Golang
8386
379
What is sync.Pool and what is it used for?
Middle+
141
What is the Transactional Outbox pattern?
Middle+
141
Have you received feedback from management? How do you prefer to receive it?
Middle+
141
What happens if you write to a closed channel in Go?
Middle+
140
Tell me in detail about the Segment Engine architecture: how segmentation works, what data is stored, how requests are processed.
Middle+
140
What is the context in Go and why is it needed?
Middle+
139
Why pass the context as the first argument in Go?
Middle+
137
Tell about a case of receiving negative feedback and how you handled it.
Middle+
136
What happens when updating a row in PostgreSQL with MVCC?
Middle+
136
How do you generate mocks?
Middle+
136
What do you like and dislike about your current job?
Middle+
133
What did you use for synchronization in multithreading?
Middle+
132
How do you see your development over the next 3 years: technical expertise or management?
Middle+
130
Who should close the channel - the writer or the reader?
Middle+
130
How do you rate your level: middle, middle+? What is missing to reach senior level?
Middle+
130
How to syntactically prevent a reader from closing a channel?
Middle+
129
What are indexes in a database, their advantages and disadvantages?
Middle+
128
What is the syntax for transactions in Go/SQL?
Middle+
127
What is a transaction in a database?
Middle+
127