Can you explain what list comprehension in Python is and how it is used?
Junior — Middle
172
Python
10983
584
Why do tuples use less memory than lists?
Middle
171
What are generators in Python and why are they needed?
Middle
171
Have you had experience working with databases for business analytics (BI)?
Junior — Middle
170
numbers = [x ** 2 for x in range(10_000_000_000)] for num in numbers: print(num)
Senior
170
Why is multithreading with GIL needed if it is not true parallelism? What is the purpose of GIL?
Middle
169
In what situations might using indexes in a database not provide the expected search acceleration?
168
What is the difference between lists and tuples in Python?
Middle
167
We have 4 partitions and 5 consumers in one group. How will they read data?
Middle
167
How have you integrated with external APIs or services in your projects?
Junior — Middle
167
How much time will it take you to start performing duties after receiving a job offer?
166
Explain the concept of signals in the Django framework and their role in event management.
Junior — Middle
166
Why is using indexes in a database important for improving search and data retrieval performance?
Junior — Middle
166
Tell us about your experience in developing AI agents.
Junior
165
Why was asyncio invented? What are its advantages over threads?
Middle
164
What is lifespan in FastAPI? What mechanisms are available for executing code before startup and after shutdown?
Middle
163
Tell about the strategies for executing JOIN in PostgreSQL (Nested Loop, Hash Join, Merge Join).
Middle
163
Explain what anonymous functions are in programming and how they are used.
Junior — Middle
163
What are DML and DDL?
Middle+
162
How will a synchronous handle call affect the behavior of the entire FastAPI server?
Middle
162