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Frameworks & web · #dotnet
A decision guide for rolling out C# nullable reference types in an existing Visual Studio solution: compare enable vs warnings vs per-file modes, then implement and validate a warnings-first migration.
Learn how to diagnose and fix 'The type X does not have a member Y' errors in F#, covering Option types, Discriminated Unions, and missing extension methods.
Stop choosing between socket exhaustion and stale DNS. Learn how IHttpClientFactory manages the HttpClient lifecycle in .NET to ensure high-performance, resilient API integrations.
Learn how ReadOnlySpan<T> enables zero-allocation string slicing in C# for high-performance parsing of large datasets without GC pressure.
An architecture note on NuGet Central Package Management: when one Directory.Packages.props is the right design, how to make it a trust boundary with source mapping and locked-mode restore, and the signals that say to split it.
Guidance on selecting fixed or floating NuGet versions, using Central Package Management and lock files for reproducible builds.
Learn how to replace hard-coded feature flags with Azure App Configuration and a managed identity so you can toggle features at runtime without redeploying or storing secrets.
Hot Reload applies edits to a running .NET process without a restart. Here is how to set it up, verify the process did not restart, and recover from rejected edits.
Reflection or source-generated System.Text.Json? A decision guide covering trimming, Native AOT, cold starts, hybrid resolver chains, and how to validate the choice on your own DTOs.
visualstudio
csharp
fsharp
nuget