C#Advanced
Span<T>, Memory<T> and Ref Structs in .NET Explained
Learn Span, ReadOnlySpan, Memory and ref structs in .NET: zero-copy slicing, stackalloc, ArrayPool, SearchValues, async buffers and C# 14 span conversions.
Memory Management
15 articles about Memory Management: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
Technologies 5
Platform & RuntimeAdvanced
Inside the CLR: How .NET Loads, Compiles and Executes Your Code
A deep dive into CLR internals: IL and metadata, the type loader, MethodTables, precode and JIT, interface dispatch, object layout, AssemblyLoadContext and SOS.
Platform & RuntimeAdvanced
Garbage Collection in .NET: Generations, Modes and Tuning
How the .NET garbage collector works: generations, LOH and POH, regions, workstation vs server GC, DATAS, container limits, finalization and tuning.
PerformanceAdvanced
Finding and Fixing Memory Leaks in .NET Applications
How memory leaks happen in a garbage-collected runtime, the most common causes, and a step-by-step workflow to find and fix them with gcdump and SOS.
PerformanceAdvanced
High-Performance .NET: Techniques That Actually Matter
Practical high-performance .NET techniques: measure first, cut allocations, pick fast collections, vectorize hot loops and tune the GC in .NET 8 to 11.
Interview Questions 10
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.
CLR InternalsSenior
Garbage Collector Interview Questions: Generations, Modes and Tuning
Senior .NET interview questions on GC internals: generations, card tables, LOH/POH and regions, server vs workstation GC, DATAS, latency modes and containers.
CLR InternalsSenior
Value Types, Reference Types and Memory Layout Interview Questions
Senior .NET interview questions on the object header, boxing costs, struct design, StructLayout, readonly structs, ref returns, in parameters and equality.
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.
Advanced C#Senior
IDisposable, Finalizers and Resource Management Interview Questions
Senior C# interview questions on the dispose pattern, finalizers, SafeHandle, IAsyncDisposable, DI disposal rules and HttpClient socket exhaustion.
Advanced C#Senior
Records, Structs and Immutability Interview Questions
Senior C# interview questions on record equality, with-expressions, record struct vs readonly struct, frozen vs immutable collections and value objects.
PerformanceSenior
Allocation Reduction and Object Pooling Interview Questions
Senior .NET interview questions on cutting allocations: ArrayPool, ObjectPool, RecyclableMemoryStream, string.Create, hidden boxing, closures and LINQ costs.
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.
PerformanceLead
Memory Leak Diagnosis Interview Questions for .NET Engineers
Lead-level .NET interview questions on diagnosing memory leaks: counters, gcdump, SOS dumpheap and gcroot, unmanaged leaks, fixes and regression monitoring.
PerformanceSenior
Span<T> and Memory<T> Interview Questions for Senior .NET Developers
Senior .NET interview questions on Span<T> and Memory<T>: ref struct rules, stackalloc safety, ArrayPool pooling, allocation-free parsing and review pitfalls.