СБК ПАРУС

В чём основная проблема данной реализации WITH archived_charges AS ( SELECT id, charging_station_id, start_time, end_time FROM charge_sessions WHERE end_time < current_date - interval '30' day ) INSERT INTO charges_history SELECT * FROM archived_charges; DELETE FROM charge_sessions USING archived_charges WHERE charge_sessions.start_time < current_date - interval '15' day;

What is the main problem of this implementation - Connection to Redis is hardcoded - There is a connection pool for Redis - Unverified call to `jedis.get` may return null - Using the `KEYS` command causes server load - No Redis events

How long ago did you resign?

A quick comparison of IEnumerable methods: SingleOrDefault vs FirstOrDefault — what is the difference?

What are your salary expectations?

Tell us about yourself: what have you been doing, which teams have you worked in, and what have you done?

Why is volatile needed if synchronized exists? Synchronized covers all cases of volatile.

What is the difference between TTL and LRU cache?

What are the main artifacts of DDD? What parts does it consist of?

Tell me about the development of the feature toggle mechanism.

Tell me about the MVCC concept in PostgreSQL: how it works, bloat, vacuum, and its relation to transaction isolation levels.

[name] asked: tell an interesting case from your last job