C#

Is it possible to change the method signature when overriding?

How do you evaluate your grade?

Can you explain what the Include directive means in programming?

How do you feel about the prospect of communicating directly with the business?.

Middle+

OZON

Explain the difference between reference and value types.

Middle

OZON

Is the Keycloak login form provided by Keycloak itself?

How to implement automatic invocation of the Dispose() method in an object?

With which keyword can you call the base implementation of a method from an overridden one?

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Тензор

What happens when waiting for the first completed task with Task.WhenAny while other tasks are still running?

var buf = new Queue<T>(); foreach (T i in source) { buf.Enqueue(i); if (buf.Count > n) yield return buf.Dequeue(); } // source.Count == 11 var x = FilterLast(source, 3).Take(4);

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Pyrus

In what situations is it better to use an enumeration type with flags for bitwise combinations?

When should you use a method with a void return type, and when a Task without parameters in asynchronous operations?

For what reasons are keys usually stored as hash values?

What are the lifecycle scopes of services/beans? Which scope is used by default?

Why is it sometimes necessary to explicitly terminate tasks despite the presence of an automatic garbage collector?

How to control the scheduler through GOMAXPROCS?

Can you explain the concept of Transactional Inbox and its purpose in systems?

Tell me about memory cleanup using Garbage Collector — how it works, why it is needed.

Explain what a trigger is in SQL and how it is used to automate operations in a database.

How did you create a universal interface for different components or modules of the system?