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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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

Logical Operators in C#: Short-Circuiting and Boolean Conditions

logical operators C#bool short-circuiting nullable bool

Understand logical operators in C#, including short-circuiting, Boolean guards, eager evaluation, and nullable bool rules, through practical code examples.

Nov 9, 202610 minute read

Concurrent Collections in C#: Safe Operations and Workflow Boundaries

collections C#ConcurrentDictionary concurrency synchronization

Understand concurrent collections in C# by separating safe operations, repeatable factories, enumeration, shared values, and multi-step workflow boundaries.

Nov 9, 20269 minute read