Explains the differences and usage of nullable and required types in C#, covering value types, reference types, and the nullable operator.
Explains a common pitfall when using the C# 'with' keyword on records containing reference types, and how to avoid it.
Explores the performance differences between passing by value and by reference in C#, focusing on structs, copying costs, and dereferencing overhead.
Explains how Swift implements equality using the Equatable protocol, covering value vs. reference types, automatic synthesis, and conditional conformance.
Explains the concepts of mutability and immutability in JavaScript, covering primitive vs. reference types and how to create immutable objects.
Explains the performance differences between value types and reference types in .NET, focusing on memory layout, CPU cache, and garbage collection.
Explains a subtle bug in .NET where static reference types can cause unintended data persistence across web requests, with a fix.
