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2026-06-03 comparison ai-agents claude-code

Claude Code vs Cursor vs Copilot Agent Mode: Where Each Wins in 2026

Claude Code wins on raw agent quality and predictable flat pricing, Cursor wins as the editor you live in with the best multi-model routing, and GitHub Copilot wins when the work starts and ends on GitHub. The June 2026 token-billing shift is the tiebreaker for cost.

2026-06-03 dotnet performance native-aot

.NET 11 Raises the Minimum CPU Baseline to x86-64-v2

.NET 11 Preview 4 drops support for pre-2013 x86/x64 chips and bumps the JIT baseline to x86-64-v2. Here is what breaks, why, and how to check your hardware before you upgrade.

2026-06-03 errors flutter dart

Fix: RenderBox was not laid out in Flutter

RenderBox was not laid out is almost always a secondary error. Find the first layout assertion above it, usually a scrollable given unbounded constraints, and fix that.

2026-06-03 errors flutter dart

Fix: A TextEditingController was used after being disposed in Flutter

This crash means code touched a controller after dispose() ran. Guard async callbacks with a mounted check, and never dispose a controller you do not own.

2026-06-02 comparison ai-agents claude-code

Claude Code vs Cursor vs Aider for a .NET 11 Repo in 2026

For a large .NET 11 / C# 14 solution, Claude Code wins on agent quality and runs anywhere a terminal does. Cursor wins if your team wants a GUI and tab completion, as long as you can live without C# Dev Kit. Aider wins on cost and openness.

2026-06-02 dotnet-11 csharp performance

.NET 11 Can Round-Trip a Double as Hex, Bit for Bit

.NET 11 Preview 4 teaches double, float, and Half to format with the X specifier and parse with NumberStyles.HexFloat, producing the same IEEE-754 hex text as C printf("%a").

2026-06-02 errors csharp dotnet

Fix: ObjectDisposedException: Cannot access a disposed context instance

Your fire-and-forget task captured a request-scoped DbContext that the DI scope already disposed. Resolve a fresh context inside the task with IServiceScopeFactory or IDbContextFactory.

2026-06-02 errors flutter dart

Fix: setState() or markNeedsBuild() called during build in Flutter

This error means you mutated state while Flutter was building. Move the setState out of build, or defer it with addPostFrameCallback. Here is why it happens and the right fix.

2026-06-02 flutter dart riverpod

How to Show Loading and Error States with AsyncValue in Flutter Riverpod

Render loading, data, and error UI from a single AsyncValue in Riverpod 3. Use AsyncNotifier and AsyncValue.guard for mutations, .when() and switch pattern matching for the UI, keep previous data on refresh, and migrate the legacy StateNotifier pattern. Tested on flutter_riverpod 3.x, Flutter 3.44, Dart 3.x.

2026-06-01 ef-core dotnet-11 dotnet-cli

EF Core 11 Preview 4: Stop Retyping --project and --startup-project with .config/dotnet-ef.json

EF Core 11 Preview 4 lets the dotnet ef tool read default option values from a .config/dotnet-ef.json file, so split solutions no longer force you to pass --project and --startup-project on every command.