Theodor Zoulias

Theodor Zoulias has asked 21 questions and find answers to 169 problems.

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Experienced .NET developer, strong Crazyhouse player. Appreciates nicely written code and sneaky pawn drops!

Theodor Zoulias questions

How to enumerate an IAsyncEnumerable<T> and invoke an async action for each element, allowing concurrency for each iteration/action pair?
How to make a lightweight `Replay` operator that can be subscribed only once?
List<T>.AddRange throws ArgumentException when passing a ConcurrentDictionary as argument
How to chunkify an IEnumerable<T>, without losing/discarding items in case of failure?
Dictionary methods Remove and Clear (.NET Core) modify the collection during enumeration. No exception thrown
The ValueTask<TResult> and the async state machine
How to force an IAsyncEnumerable to respect a CancellationToken
Task.WhenAny with cancellation of the non completed tasks and timeout
How to implement an efficient WhenEach that streams an IAsyncEnumerable of task results?
Why is IEnumerable.ToObservable so slow?

Theodor Zoulias answers

Is there a Subject implementation in Rx.NET that functionally resembles BehaviorSubject but emits only if the value has changed?
ChannelReader Completion Task is never completed after OperationCanceledException
Appropriate pattern for awaiting Task.WhenAny(List<T>) when list can have other tasks appended
C# can I start a thread and use a dispatcher to schedule work on it? [duplicate]
During thread contention how can I speed up this ConcurrentQueue implementation which uses ReaderWriterLockSlim over a regular Queue<T>
KeyCollection as IEnumerable produces inconsistent LINQ behavior
How to make a lightweight `Replay` operator that can be subscribed only once?
What all is stored when we say synchronization context is stored?
Does .NET 6's PeriodicTimer capture the current SynchronizationContext by default?
How can I run a async enumerator method synchronously and store it as an IEnumerable?