Cloud-NativeAdvanced
Microsoft Orleans: Virtual Actors for Distributed .NET Apps
Build distributed .NET apps with Microsoft Orleans 10: grains, silos, clustering, persistence, reminders, streams, transactions and placement.
Concurrency & Threading
20 articles about Concurrency & Threading: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
Technologies 5
C#Advanced
Async/Await in C#: A Deep Dive
Async/await in C# explained in depth: the compiler state machine, SynchronizationContext, ConfigureAwait, ValueTask, async streams, cancellation and deadlocks.
Data & EF CoreIntermediate
SQL Server for .NET Developers: Indexes, Query Plans and Transactions
SQL Server for .NET developers: design indexes, read execution plans, fix parameter sniffing, choose isolation levels, handle deadlocks and use SQL Server 2025.
Platform & RuntimeIntermediate
Background Services and Worker Processes in .NET
Build reliable .NET background services: BackgroundService vs IHostedService, graceful shutdown, PeriodicTimer, Channels queues, Windows Services and systemd.
PerformanceIntermediate
Parallel Programming in .NET: TPL, PLINQ and Channels
A practical guide to parallel programming in .NET with Parallel.For/ForEach, PLINQ, degree of parallelism, System.Threading.Lock and Channels pipelines.
Interview Questions 15
Async & ConcurrencySenior
Async/Await Internals Interview Questions
Ten senior-level questions on C# async/await internals: the compiler state machine, awaiters, SynchronizationContext, ConfigureAwait and ExecutionContext.
Async & ConcurrencySenior
ValueTask, IAsyncEnumerable and Async Streams Interview Questions
Senior .NET interview questions on ValueTask, IAsyncEnumerable and async streams: when ValueTask pays off, IValueTaskSource pooling, and cancellation.
Async & ConcurrencySenior
Cancellation, Timeouts and Graceful Shutdown Interview Questions
Senior .NET interview questions on CancellationToken patterns, linked tokens, timeouts with WaitAsync, IHostApplicationLifetime, and graceful shutdown.
Async & ConcurrencySenior
System.Threading.Channels and Producer-Consumer Interview Questions
Senior .NET interview questions on System.Threading.Channels: bounded vs unbounded channels, BoundedChannelFullMode, backpressure, and graceful shutdown.
Async & ConcurrencySenior
Concurrent Collections and Lock-Free Programming Interview Questions
Senior .NET interview questions on ConcurrentDictionary, ConcurrentQueue, ImmutableInterlocked, compare-and-swap loops, the ABA problem, and false sharing.
Async & ConcurrencySenior
Deadlocks and Race Conditions Interview Questions
Senior-level questions on sync-over-async deadlocks, lock ordering, TOCTOU races, dump analysis and avoiding shared mutable state.
Async & ConcurrencySenior
Thread Synchronization Interview Questions
Senior-level thread synchronization interview questions covering lock, Monitor, the .NET 9 Lock type, SemaphoreSlim, ReaderWriterLockSlim and the memory model.
Async & ConcurrencySenior
Task Parallel Library and Parallelism Interview Questions
Senior-level TPL interview questions covering CPU-bound vs I/O-bound work, Parallel.ForEachAsync, PLINQ, partitioners and limiting concurrency.
CLR InternalsSenior
Thread Pool Internals Interview Questions for Senior .NET Engineers
Ten thread pool interview questions covering worker vs I/O threads, hill-climbing, starvation, SetMinThreads and the .NET 6 portable pool.
Advanced C#Senior
Delegates, Events and Closures Interview Questions
Senior C# interview questions on multicast delegates, event memory leaks, weak event patterns, closure capture, static lambdas and events versus channels.
Data & EF CoreSenior
Transactions, Isolation Levels and Concurrency Control Interview Questions
Senior interview questions on ACID, isolation levels, RCSI and snapshot isolation, optimistic concurrency, distributed transactions and deadlocks.
Distributed SystemsSenior
Actor Model Interview Questions: Orleans, Dapr and Akka.NET
Senior .NET interview questions on the actor model: Orleans virtual actors, turn-based execution, reentrancy, persistence, placement, Dapr and Akka.NET.
PerformanceSenior
Collections Internals Interview Questions for .NET Developers
Senior-level interview questions on Dictionary and HashSet internals, List growth, ConcurrentDictionary, frozen and immutable collections and presizing.
PerformanceArchitect
High-Throughput .NET Services Interview Questions
Architect-level interview questions on Kestrel tuning, async I/O, System.IO.Pipelines, pooling, backpressure, Server GC with DATAS and tail latency.
PerformanceSenior
Performance Profiling Interview Questions for .NET Developers
Senior .NET interview questions on performance profiling: sampling vs instrumentation, dotnet-trace, PerfView, flame graphs, lock contention and starvation.