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Articole: 378

  1. Blazor Server Circuits Now Pause Themselves When the Tab Goes Idle

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    .NET 11 Preview 7 adds an opt-in package that pauses interactive Server circuits when the browser tab is hidden, freeing memory and SignalR connections held by users who are not actually there.

  2. Migrate an Agent from Chunking-and-RAG to a 1M-Token Context Window

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    The 1M-token context window is now the default on Claude Opus 5, Opus 4.8/4.7/4.6, Sonnet 5, and Sonnet 4.6, with no beta header and no long-context premium.

  3. Fix: The 'interceptors' feature is not enabled in this namespace

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    CS9137 comes from the Microsoft.AspNetCore.OpenApi source generator.

  4. Fix: dotnet tool install --global dotnet-ef throws an error

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    Every way dotnet tool install --global dotnet-ef fails on the .NET 10 SDK, with the exact message and exit code for each: already installed, version not found, downgrade blocked, shim conflict, dead NuGet feed, and the runtime mismatch that only breaks af…

  5. C# 15 Gets Labeled break and continue in .NET 11 Preview 7

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    Labeled break and continue landed in the C# section of .NET 11 Preview 7.

  6. Migrate Off the Archived MCP Reference Servers (GitHub, Postgres, Slack)

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    The GitHub, Postgres, and Slack MCP servers from modelcontextprotocol/servers were archived in 2025 and their npm packages are deprecated.

  7. How to show a modal window in .NET MAUI 11

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    Two different things get called a modal window in .NET MAUI 11.

  8. How to replace Flutter's deprecated Radio groupValue and onChanged with RadioGroup

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    Radio.groupValue and Radio.onChanged were deprecated after Flutter 3.32 and RadioGroup shipped in 3.35.

  9. Fix: The type or namespace name 'OpenApiReference' could not be found

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    OpenApiReference was deleted in Microsoft.OpenApi 2.0.

  10. Claude Code Cloud Sessions Can Now Run on Your Own Hosts

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    Claude Code 2.1.224 adds claude self-hosted-runner, a public beta that executes cloud sessions on machines you provision.

  11. Migrate Cursor Rules to Skills, Subagents, and Plugins (Cursor 3.11)

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    Cursor did not delete rules.

  12. How to override the default resilience handler that Aspire registers

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    Aspire's AddServiceDefaults applies a standard resilience handler to every HttpClient.

  13. How to customize source-generated System.Text.Json serialization with a type-info resolver modifier

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    Attach a JsonTypeInfo modifier to a source-generated JsonSerializerContext in .NET 11: why new MyContext(options) silently drops it, the WithAddedModifier setup that works, the fast path you give up (measured), and the naming-policy trap that makes modifi…

  14. How to call a stored procedure and map its results in EF Core 11

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    Use FromSql on a DbSet when the procedure returns full entity rows, Database.SqlQuery when it returns a projection, and ExecuteSql when it returns nothing.

  15. Claude Code 2.1.224 Lets One Session Message Another

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    Cross-session messaging landed on August 7, 2026.

  16. Migrate a Custom TypeScript Agent Loop to the Cursor SDK (@cursor/sdk 1.0.26)

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    A step-by-step checklist for retiring a hand-rolled while-loop agent and running the same job on @cursor/sdk 1.0.26.

  17. How to serve OpenAPI documentation with Scalar instead of Swagger UI in ASP.NET Core 11

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    Replace UseSwaggerUI with MapScalarApiReference in ASP.NET Core 11: routing, multiple documents, pre-filled auth, production gating, offline assets, and the Scalar-only OpenAPI extensions that mark endpoints stable or hidden.

  18. How to run a file-based C# app with `dotnet run app.cs` in .NET 11

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    A complete guide to file-based C# apps: running a single .cs file with dotnet run, the #:package, #:sdk, #:property, #:project and #:include directives, multi-file scripts with #:ref, argument and stdin handling, the build cache, native AOT publishing, pa…

  19. How to rename a table in an EF Core 11 migration without losing data

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    EF Core scaffolds RenameTable when you change the table name, but DropTable plus CreateTable when you rename the entity class.

  20. Copilot MCP Allowlists Land in Enterprise Managed Settings

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    GitHub's August 6, 2026 changelog adds allowedMcpServers and deniedMcpServers to copilot/managed-settings.json.

  21. Aspire vs Docker Compose for local multi-service development

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    Aspire 13.4.6 wins the .NET inner loop because it runs your projects as host processes you can debug, while Docker Compose wins when the compose file is also your CI and deployment contract.

  22. xUnit v3 vs NUnit vs MSTest in 2026: which should you pick?

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    Pick xUnit v3 for greenfield .NET projects, NUnit 4.6 if you live in its constraint model, MSTest 4 if you already ship it.

  23. WebApplicationFactory vs Testcontainers for ASP.NET Core integration tests

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    They are not alternatives.

  24. Migrate a Custom Multi-Agent Orchestrator to Handoff Orchestration in Agent Framework 1.17

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    Replace a hand-rolled classifier-plus-switch router with AgentWorkflowBuilder.CreateHandoffBuilderWith in Microsoft.Agents.AI.Workflows 1.17.0.

  25. Microsoft.Testing.Platform 2.3: --report-gh Puts Test Failures on the PR Diff

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    The .NET blog's August 6, 2026 post on MTP reporting surfaces a batch of extensions that went stable in Microsoft.Testing.Platform 2.3.0: GitHub Actions annotations, crash-resilient TRX streaming, and Azure DevOps flaky history.

  26. Subtask vs Fork vs Background Agent in Claude Code: Which Delegation to Reach For

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    A named subagent starts cold, a fork inherits your whole conversation and shares your prompt cache, and a background agent is a second Claude Code session entirely.

  27. gRPC vs REST vs SignalR for service-to-service calls in .NET 11

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    For internal service-to-service calls in .NET 11, default to gRPC when you own both ends of the contract and the call is point-to-point.

  28. Fix: flutter doctor reports cmdline-tools component is missing

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    Install the Android SDK Command-line Tools so the binaries land in /cmdline-tools/latest/bin, point ANDROID_HOME at the SDK root, then re-run flutter doctor.

  29. Fix: Attempting to reconnect to the server after a Blazor Server circuit disconnects

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    The reconnect modal means the SignalR circuit dropped, not that your app crashed.

  30. Copilot Automations Now Trigger on Issue and PR Comments

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    GitHub's August 3, 2026 changelog adds a comment trigger to Copilot cloud agent automations, replacing the issue_comment workflow plus PAT plus REST dispatch that teams have been hand-rolling since June.

  31. Live Speech-to-Text in C# with Foundry Local: A 0.67 GB Model and No Cloud Call

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    The .NET blog shipped a live microphone transcription sample on August 4, 2026 using Foundry Local and nemotron-speech-streaming-en-0.6b.

  32. Fix: HTTP Error 500.30 - ASP.NET Core app failed to start after deploying to IIS

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    500.30 means your app threw during startup inside w3wp.exe.

  33. Fix: CS1998 "This async method lacks 'await' operators and will run synchronously" in C#

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    CS1998 means an async method has no await, so it runs synchronously.

  34. Fix: AggregateException "One or more errors occurred" when awaiting Task.WhenAll in C#

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    await Task.WhenAll rethrows only one of the failures.

  35. Declarative YAML Workflows vs Code-First Orchestration in Microsoft Agent Framework

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    Use declarative YAML when the graph is a sequential routing decision that non-developers change often.

  36. NuGet API Keys Get a 30-Day Cap on August 17, and Every Old Key Expires November 1

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    NuGet.org drops the 365-day API key option on August 17, 2026, caps new keys at 30 days, and expires every key created before that date on November 1.

  37. How to enable multi-window support in a Flutter desktop app

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    Flutter 3.44.8 stable still ships no public multi-window API.

  38. How to build an infinite-scrolling paginated list in Flutter with ScrollController

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    Attach a ScrollController to a ListView.builder, fire the next page when position.extentAfter drops below a prefetch threshold, and guard the fetch with isLoading, hasMore, and error flags.

  39. Fix: No Material widget found in Flutter

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    Wrap the subtree in Material(type: MaterialType.transparency) or put the screen in a Scaffold.

  40. Auto Mode vs Manual Approval in Claude Code: What Each Mode Actually Allows Through

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    Manual gates every tool call on you.

  41. How to validate options at startup with IValidateOptions in .NET 11

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    Implement IValidateOptions, register it in DI, and chain ValidateOnStart so a bad appsettings.json kills the process instead of the first request that touches it.

  42. How to store an enum as a string in EF Core 11 with a value converter

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    Store C# enums as readable strings instead of ints in EF Core 11: HasConversion, bulk configuration for every enum, the nvarchar(max) trap, the ordering gotcha, and how to migrate an existing int column.

  43. How to implement optimistic concurrency with a rowversion token in EF Core 11

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    Add a rowversion concurrency token in EF Core 11: the [Timestamp] and IsRowVersion setup, the SQL EF actually emits, catching DbUpdateConcurrencyException, store-wins vs client-wins vs merge, disconnected APIs with ETags, and the five traps that silently…

  44. Fix: "Write(src/**) is not matched by file permission checks" in Claude Code

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    Claude Code only consults Edit(path) and Read(path) rules.

  45. Agent Framework's Copilot Provider Turns the Copilot CLI Into a Plain AIAgent

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    Microsoft.Agents.AI.GitHub.Copilot 1.16.0 shipped on July 30, 2026.

  46. Visual Studio 18.8 Ships .NET Agent Skills Built In, Then Turns Them All Off

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    Visual Studio 2026 18.8 puts expert-authored .NET and Azure agent skills in the tool picker under a Built-in category, disabled by default.

  47. How to run CPU-bound work in a Blazor WebAssembly app with Web Workers in .NET 11

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    A complete guide to offloading CPU-bound work off the Blazor WebAssembly UI thread in .NET 11: why Task.Run does not help, the new blazorwebworker template, the WebWorkerClient API with cancellation and timeouts, the JSExport marshalling limits, and the s…

  48. How to replace new Regex(...) with the [GeneratedRegex] source generator in .NET 11

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    A complete guide to converting new Regex(pattern, RegexOptions.Compiled) into [GeneratedRegex] in .NET 11: the mechanical rewrite, partial methods vs partial properties, measured startup and throughput numbers, the SYSLIB1040-1045 diagnostics, and the two…

  49. How to configure Kestrel to serve HTTP/3 in ASP.NET Core 11

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    A complete guide to enabling HTTP/3 on Kestrel in ASP.NET Core 11: the HttpProtocols.Http1AndHttp2AndHttp3 endpoint config, MsQuic platform requirements on Windows, Linux, and macOS, why the first request is never HTTP/3, how to verify with HttpClient and…

  50. IOptions vs IOptionsSnapshot vs IOptionsMonitor in .NET 11

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    Default to IOptions.