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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Refactoring Diff Review in C#: Find Hidden Behavior Changes

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

Characterization Tests Before Refactoring C# Code

characterization tests C#refactoring behavioral baseline

Learn characterization tests for C# refactoring: choose observable behavior, capture outputs and exceptions, control unstable data, and avoid false confidence.

Nov 10, 20269 minute read

Testing C# Events: Notification, Failure, and Subscription Behavior

C#testing events EventHandler deterministic tests Task

Learn testing C# events with complete deterministic examples for payloads, counts, removal, synchronous failures, and task outcomes without sleeps or GC.

Nov 10, 202610 minute read