Real C#/.NET tips with short code samples. Cleaner syntax, safer async, faster APIs, fewer bugs. Copy‑paste ready and team‑friendly.
50 C#/.NET Code Hacks to Improve Fast
Category: .NET Fundamentals
CountBy & AggregateBy in .NET 9: Cleaner LINQ
See how CountBy and AggregateBy cut GroupBy boilerplate. Real C# examples, tips, and patterns for faster, cleaner data code in .NET 9.
Master C# Thread Safety: Locks, Interlocked & Lock‑Free
Stop race bugs in C#. Benchmarks compare lock, Interlocked, ReaderWriterLockSlim, and concurrent collections with copy‑ready code.
Stack vs Heap in C#: Stop Wasting Memory
Learn the stack vs heap rules in C#. Cut GC time with code, benchmarks, and profiler steps. Kill boxing and hidden allocations.
Stop If-Else Pyramids with C# Pattern Matching & Strategy
Kill brittle if-else ladders with C# pattern matching and Strategy. Learn clean designs, testable rules, and extensible domain logic.
Avoid Switch Statements: Use Polymorphism in C#/.NET
Stop growing fragile switch cases. Learn when to replace them with polymorphism, strategy, and state patterns in C#/.NET.