Tag: how-to

When you Include two sibling collections, EF Core 11 returns the cross product and your row count explodes. Here is how AsSplitQuery fixes it, how to turn it on globally, and the consistency and ordering gotchas to watch for.

A complete guide to ExecuteUpdate and ExecuteDelete in EF Core 11: the SQL they emit, the change-tracker gotcha that silently overwrites your bulk write, transactions, concurrency control with the affected-row count, and the EF Core 10 delegate setters that let you build conditional updates with plain if statements.

Step-by-step migration from GetX to Riverpod 3.x in a real Flutter app: GetxController to Notifier, .obs to derived providers, Get.find to ref.watch, Get.to to go_router, plus snackbars, theming, and tests. Tested on Flutter 3.27.1, Dart 3.11, flutter_riverpod 3.3.1.

Step-by-step guide to finding and fixing jank in Flutter 3.27 with DevTools: profile mode, the Performance overlay, the Frame Analysis tab, the CPU Profiler, raster vs UI thread, shader warm-up, and Impeller-specific gotchas. Tested on Flutter 3.27.1, Dart 3.11, DevTools 2.40.

The 2026 way to set an accent color in Flutter with Material 3: ColorScheme.fromSeed, the colorSchemeSeed shorthand, the seven DynamicSchemeVariant options, dark mode, dynamic_color on Android 12+, and harmonizing brand colors. Tested on Flutter 3.27.1 and Dart 3.11.

Call native Android (Kotlin) and iOS (Swift) code from a Flutter 3.x app without writing a plugin: MethodChannel, EventChannel, BasicMessageChannel, the StandardMessageCodec type table, threading rules, and the cases where a plugin still wins.

When async/await is not enough: spawn a Dart isolate to run CPU-bound work off the UI thread. Isolate.run, Flutter's compute, long-lived workers with SendPort/ReceivePort, what can cross the boundary, and the JS/web caveat. Tested on Dart 3.11 and Flutter 3.27.1.

End-to-end guide to packaging a .NET MAUI 11 Windows app as an MSIX, bundling x64/x86/ARM64 into a .msixupload, and submitting through Partner Center: identity reservation, Package.appxmanifest, dotnet publish flags, MakeAppx bundling, and the Store-trusted certificate handoff.

Practical guide to running one Flutter project against multiple SDK versions in CI: a GitHub Actions matrix with subosito/flutter-action v2, FVM 3 .fvmrc as the source of truth, channel pinning, caching, and the gotchas that bite when the matrix grows past three versions.

End-to-end drag-and-drop in .NET MAUI 11: DragGestureRecognizer, DropGestureRecognizer, custom DataPackage payloads, AcceptedOperation, gesture position, and the per-platform PlatformArgs traps on Android, iOS, Mac Catalyst, and Windows.