C# and .NET by Nick Cosentino

Dev Leader: C# and .NET
Software Engineering Content

Practical, in-depth content for software engineers and technical leaders. Learn C#, .NET, software architecture, AI-assisted development, and engineering leadership with guidance you can apply on your team today.

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Public Contract Compatibility When Refactoring C# Libraries

Understand public contract compatibility in C# libraries: preserve source calls, existing binaries, observable behavior, and consumer-sensitive API details.

Nov 14, 202611 minute read

Equality in C#: Reference, Value, and Operator Semantics

equality in C#C#reference equality value equality records

Understand equality in C# through static operand types, reference identity, Equals, strings, records, structs, and boxed values with practical examples.

Nov 13, 202610 minute read

Refactoring Diff Review in C#: Find Hidden Behavior Changes

refactoring diff review C#behavioral differences code review

Learn refactoring diff review in C# by checking evaluation order, null handling, exceptions, loop exits, and targeted examples that expose behavior changes.

Nov 12, 20269 minute read

Arithmetic Operators in C#: Numeric Types, Division, and Overflow

arithmetic operators C#numeric promotion division checked

Learn arithmetic operators in C# through numeric promotion, integer division, remainder, zero division, and checked overflow with clear practical examples.

Nov 11, 202611 minute read