@randalschwartz.bsky.social - Randal Schwartz

11 Sep 2026 23:13 +0000

Humans survive outages because our brains carry somatic scars. AI has no nervous system—every day is Groundhog Day. Here is how teaching AI pain gives it real wisdom: https://dev.to/gde/why-ai-keeps-making-the-same-coding-mistakes-and-how-teaching-it-pain-gives-it-wisdom-4a9m #AI #SoftwareEngineering #Dart #Flutter

11 Sep 2026 01:57 +0000

Tired of the Flutter "Builder Pyramid" or context․watch traps? BlocSignal brings 1:1 symmetry: • context.value for 1-line rebuilds • context.state for signals • Zero-closure tearoffs Full deep-dive & runnable example 👇 https://dev.to/gde/the-symmetry-of-state-why-flutter-deserves-contextvalue-and-contextstate-4250

09 Sep 2026 20:25 +0000

How to pitch BlocSignal to tech leads in 2026: Cut through CISC stream ceremony, eliminate build_runner, and unlock 3x velocity for AI coding agents with push-pull reactivity: https://dev.to/gde/the-modern-pitch-for-blocsignal-why-engineering-leads-are-moving-to-reactive-primitives-5d5h #Flutter

09 Sep 2026 03:23 +0000

Observability shows WHAT happened (states, errors). Telemetry explains WHY (pipeline decisions, physics). Stop leaking drop counters into UI state. Here is how we solved telemetry above mechanics: https://dev.to/gde/beyond-black-box-concurrency-streamless-event-transformers-telemetry-and-the-end-of-3b08 #Flutter #Dart

06 Sep 2026 17:30 +0000

Want bulletproof Flutter state? Pair BlocSignal with FIC by Marcelo Glasberg. Get zero-cost undo/redo, offline hydration, & instant O(1) shopping cart updates: https://dev.to/gde/the-unbreakable-shopping-cart-pairing-blocsignal-with-fast-immutable-collections-fic-for-1pn2 #Flutter

05 Sep 2026 02:49 +0000

Stop forcing Clean Architecture into real-time Flutter apps. The Iceberg Pattern with BlocSignal: • Submerged reactive engine • 0ms optimistic UI + rollback • Screen-scoped Cubit facades • 100% synchronous UI No anemic lasagna: https://dev.to/gde/beyond-clean-architecture-the-iceberg-pattern-for-real-time-flutter-apps-with-blocsignal-3l84

03 Sep 2026 17:40 +0000

Why install 3rd-party packages for Flutter infinite scroll? With BlocSignal mixins, your ScrollController *is* your state machine: • 100% StatelessWidget UI • Streamless droppable() concurrency • Clean ScrollPosition.extentAfter https://dev.to/gde/taming-flutter-infinite-scroll-part-2-turning-scrollcontroller-into-a-reactive-state-machine-cgh

31 Aug 2026 16:22 +0000

Flutter is unbundling Material & Cupertino into standalone packages (`material_ui` & `cupertino_ui`)! Teach your AI agent to automate the split migration with dart-sdk-skills: https://dev.to/gde/automate-flutters-new-split-package-migration-with-ai-agent-skills-bn2 #Flutter #Dart

30 Aug 2026 21:10 +0000

Tired of writing 4 state classes, try/catches, and cancel tokens for every Flutter API endpoint? 🌐 Discover how .toAsyncBlocSignal(), CubitSignalMixin, and restartable() eliminate 70% of networking boilerplate! ⚡ Read Ep 27: https://dev.to/gde/production-flutter-networking-without-the-boilerplate-reactive-repositories-with-blocsignal-4c3c #Flutter #Dart

30 Aug 2026 16:49 +0000

Tired of Dart's single inheritance wall in Flutter? 🧱 With bloc_signals 1.2.0, turn ANY class (TextEditingController, ChangeNotifier, BaseRepo) into a 0ms reactive BLoC/Cubit using CubitSignalMixin! 🍦 Read Ep 26: https://dev.to/gde/overcoming-darts-single-inheritance-wall-composable-cubitsignalmixin-blocsignalmixin-in-flutter-43bf #Flutter #Dart

30 Aug 2026 01:35 +0000

Flutter state management divide is over! 🚂🚚🚄 BLoC, Riverpod, and BlocSignal are now true bidirectional peers: zero rewrites, typed mutations, and instant synchronous signal reactivity. See all 3 compose together in <65 lines: https://dev.to/gde/grand-central-station-why-bloc-riverpod-and-blocsignal-are-now-true-peers-3fd8

28 Aug 2026 22:07 +0000

Tired of FutureBuilder & StreamBuilder boilerplate in Flutter? bloc_signals 1.1.0 is out! ⚡️ Convert Future, Stream, and Signal primitives into synchronous state containers with zero rebuild traps. 📖 https://dev.to/gde/mechanically-eliminating-futurebuilder-streambuilder-universal-signal-future-and-stream-3imf #Flutter #DartDev #StateManagement

26 Aug 2026 23:16 +0000

Why FutureBuilder & StreamBuilder are architectural anti-patterns in production Flutter apps—and why your async boundary belongs at the edge: 📖 Part 21 of the BlocSignal series: https://dev.to/gde/futurebuilder-and-streambuilder-as-anti-patterns-why-your-async-boundary-should-be-far-away-from-1d8g #Flutter #Dart #FlutterDev

22 Aug 2026 20:35 +0000

Tired of your AI assistant writing 2021-era Dart? 🤖 Between null safety (2.12), patterns (3.0), & primary constructors (3.13), Dart moved fast. I open-sourced dart-sdk-skills (Dart 1.0 to 3.14): npx skills add RandalSchwartz/dart-sdk-skills -g https://dev.to/gde/bridging-the-ai-cutoff-teaching-coding-agents-every-dart-feature-from-10-to-314-3752

22 Aug 2026 03:04 +0000

Should your Flutter feature be a raw signal, a lightweight Cubit, or a full event-driven BLoC? Stop guessing state architecture. Here is the definitive 4-tier decision rubric: 👉 https://dev.to/gde/when-to-use-bloc-vs-cubit-vs-signal-an-architectural-decision-guide-2911 #Flutter #Dart #FlutterDev

21 Aug 2026 01:07 +0000

For years I championed Riverpod. But the best DX upgrade isn't what you learn—it's what you get to unlearn. Why pivoting to BlocSignal brings joy back to Flutter: https://dev.to/gde/what-i-get-to-forget-about-riverpod-now-that-i-have-blocsignal-1be5

20 Aug 2026 01:58 +0000

Why do AI coding agents stumble on quick Python scripts? Virtualenvs, PEP 668, & runtime KeyErrors. I added one rule to my agent: "Prefer Dart over Python." Instant JIT execution, zero venvs, & sound type safety. Why it works: https://dev.to/gde/why-i-tell-my-ai-coding-agent-prefer-dart-over-python-1dbg

18 Aug 2026 13:21 +0000

I'm tired of "Flutter is Dead" clickbait headlines, so I rattled this off: https://medium.com/@realmerlyn/ive-been-a-flutter-google-developer-expert-for-8-years-now-from-day-one-of-the-program-c46a701744fd?sharedUserId=realmerlyn

17 Aug 2026 02:29 +0000

Don't know BLoC yet? No problem! 🚀 The new BlocSignal Docs Hub covers you from the ground up: 👉 blocsignal.dev/docs • 20 deep chapters • Flutter UI & Recipes • Migration Guides • Dual Dart 3.13+ / 3.5 toggle 0ms latency. Pure signals. 💙 #Flutter #Dart https://blocsignal.dev/docs

16 Aug 2026 18:19 +0000

Why doesn't BlocSignal need Provider like classic BLoC did? Dropping package:provider ends dependency hell, fixes Flutter's ghost rebuild bug, and brings zero-code-gen reactivity: https://dev.to/gde/why-blocsignal-doesnt-need-provider-and-why-classic-bloc-always-did-1j3g

15 Aug 2026 18:49 +0000

Ever had an error SnackBar re-trigger on phone rotation? Sticky domain state is the culprit. Here is why classic BLoC needed bloc_presentation, and how BlocSignal solves one-shot UI side effects with zero dependencies: https://dev.to/gde/one-shot-ui-side-effects-in-blocsignal-snackbars-dialogs-and-navigation-without-state-pollution-52j4

15 Aug 2026 00:24 +0000

100K ops/sec reactive web app in pure Dart ⚡ Dogfooding bloc_signals_jaspr on blocsignal.dev: • 0ms microtask latency in JS • Full router built as a Cubit • Scoped updates with Selectors • Clean Dart 3.13 syntax https://dev.to/gde/dogfooding-blocsignal-on-the-web-building-a-100k-opssec-reactive-app-with-jaspr-and-dart-313-4am7 https://blocsignal.dev

14 Aug 2026 03:01 +0000

Dart 3.13 + BlocSignal = Zero Boilerplate! 🚀 Primary constructors, 'this' bodies, and shorthands make Flutter state management concise & 0ms synchronous: https://dev.to/gde/dart-313-primary-constructors-blocsignal-boilerplate-free-reactive-architecture-5fll #Flutter #Dart #BlocSignal

12 Aug 2026 23:13 +0000

Love Riverpod's provider safety & reactivity, but want zero code generation & fine-grained signals? Part 16 of the BlocSignal series is live! Learn how to trial or incrementally migrate using bloc_signals_riverpod 🚀 https://dev.to/gde/riverpod-to-blocsignal-incremental-migration-and-zero-codegen-signals-for-flutter-1gdp #Flutter #Dart

09 Aug 2026 15:34 +0000

Testing BLoCs doesn't mean fighting microtask stream lag! 🧪⚡ With BlocSignal & bloc_signals_test, state updates propagate synchronously. Practical handbook: https://dev.to/gde/unit-testing-in-blocsignal-the-practical-handbook-17o1 #Flutter #Dart