Randal Schwartz🥇 💙

@RandalSchwartz

Google Developer Expert in Dart/Flutter & Project Lead for BlocSignal ecosystem. Five decade industry veteran. (The artist formerly known as @merlyn)

Portland, Oregon, USA, Earth

twitter.com/randalschwartz

Joined May 2009

Randal Schwartz🥇 💙
@RandalSchwartz
2h
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: dev.to/gde/futurebuil… #Flutter #Dart #FlutterDev
FutureBuilder and StreamBuilder as Anti-Patterns: Why Your Async Boundary Should Be Far Away From...
From dev.to
Randal Schwartz🥇 💙
@RandalSchwartz
Aug 22
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
Bridging the AI Cutoff: Teaching Coding Agents Every Dart Feature from 1.0 to 3.14
From dev.to
Randal Schwartz🥇 💙
@RandalSchwartz
Aug 22
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: 👉 dev.to/gde/when-to-us… #Flutter #Dart #FlutterDev
When to Use Bloc vs. Cubit vs. Signal: An Architectural Decision Guide
From dev.to
Randal Schwartz🥇 💙
@RandalSchwartz
Aug 21
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:
What I Get to Forget About Riverpod Now That I Have BlocSignal
From dev.to
Randal Schwartz🥇 💙
@RandalSchwartz
Aug 20
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:
Why I Tell My AI Coding Agent: "Prefer Dart Over Python"
From dev.to