Dart Sealed Classes Guide — Type-Safe State Management with Pattern Matching
Dart Sealed Classes Guide — Type-Safe State Management with Pattern Matching Dart 3's sealed classes are the evolution of enums. They restrict subtypi…
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Flutter Local Storage Guide — SharedPreferences vs Hive vs SQLite
Flutter Local Storage Guide — SharedPreferences vs Hive vs SQLite Choosing the right local storage solution in Flutter directly impacts performance an…
The 7 Steps We Follow to Ship Production-Ready FlutterFlow Apps
Most "FlutterFlow tutorials" stop at the demo stage. This is what the production process actually looks like after 100+ shipped apps. Step 1: Architec…
Flutter CI Broke With 2288 Errors — How dart fix --apply Saved Us
Flutter CI Broke With 2288 Errors — How dart fix --apply Saved Us What Happened One morning, deploy-prod.yml started failing: error • Use 'const' with…
Zero-Config New AI Provider Tabs: DB-Driven Dynamic Tabs in Flutter + Supabase
Zero-Config New AI Provider Tabs: DB-Driven Dynamic Tabs in Flutter + Supabase The Problem 自分株式会社 has an "AI University" feature covering 66+ AI provi…
Scaling Supabase Edge Functions Past the 50-Function Cap: Hub-and-Action Architecture
Scaling Supabase Edge Functions Past the 50-Function Cap: Hub-and-Action Architecture The Problem Supabase's free and Pro tiers have a hard cap of 50 …
AI University: 3-File Pattern to Add Any AI Provider + Offline Fallback Content
AI University: 3-File Pattern to Add Any AI Provider + Offline Fallback Content What Is AI University 自分株式会社 includes "AI University" — a tab-based le…
SM-2 Spaced Repetition in Deno + Flashcard UI in Flutter Web: Building a Duolingo Competitor
SM-2 Spaced Repetition in Deno + Flashcard UI in Flutter Web What We Built A language learning feature for 自分株式会社 competing with Duolingo and Anki: SM…
Travel Planner + Whiteboard + Recipe Manager in Flutter Web: RadioListTile Migration & const Propagation
Travel Planner + Whiteboard + Recipe Manager in Flutter Web What We Shipped Three features in one session for 自分株式会社 : Travel Itinerary Planner — comp…
Notion-Style Team Workspace in Flutter Web: Supabase RLS EXISTS Subquery + Invite Code Pattern
Notion-Style Team Workspace in Flutter Web: Supabase RLS EXISTS Subquery + Invite Code Pattern What We Built A team collaboration layer for 自分株式会社 : T…
CVR Tracking by Competitor Comparison Page: StatelessWidget StatefulWidget + unawaited() Pattern
CVR Tracking by Competitor Comparison Page: StatelessWidget → StatefulWidget + unawaited() The Problem 自分株式会社 has 21 competitor comparison pages ( /vs…
CRM Pipeline + Horse Racing AI in Flutter Web: Lead Scoring Formula & Kanban with LinearProgressIndicator
CRM Pipeline + Horse Racing AI in Flutter Web What We Shipped Two features in one session for 自分株式会社 : CRM Sales Pipeline — competing with Salesforce …
Why String.fromEnvironment Keep Showing Up Empty in Dart
A complete guide to why String.fromEnvironment() silently returns an empty string when used with final , what Dart is actually doing under the hood, a…
What 24 Flutter Projects Taught Us About Building Production Apps published
Every Flutter tutorial makes it look easy. Build a counter app, add some widgets, run hot reload, done. But shipping 24 production Flutter apps to the…
Api Structure with Http
1. Dealing with asynchronously Note that the HTTP APIs use Dart Futures in the return values. We recommend using the API calls with the async/await sy…
I Threw Away My Keyword Strategy Right Before Launch — Here's What I Did Instead
Some context I had already built and shipped a vocabulary learning app on both iOS and Android before. It was pretty basic — nothing fancy in terms of…
Flutter Error Handling with Result, introducing neverthrow_dart
Flutter Error Handling with Result in neverthrow_dart Building a robust Flutter app is hard because every layer can fail: network, storage, auth, pars…
Flutter WebでHabitica・GitHub Gist・不動産管理を同時実装 — 競合3社を1日で攻略した話
はじめに 自分株式会社（Notion・Evernote・MoneyForward・Slack・GitHub など21社の機能を1つに統合するAI生産性プラットフォーム）の日次開発として、本日は3つの新機能を実装しました。 習慣ゲーミフィケーション — Duolingo/Forest/Habitica…
Flutter WebでTableCalendarによるカレンダービューと、ギタースタジオのshare_plus連携を実装した話
Flutter WebでTableCalendarによるカレンダービューと、ギタースタジオのshare_plus連携を実装した話 はじめに 今日は自分株式会社（Flutter Web + Supabase で21競合SaaSを超えるAI統合プラットフォーム）の開発で行った2つの実装を解説します。 カ…
Flutter Interview Questions Part 14: Flutter 3.x Latest Features & Rapid Fire
Welcome to Part 14 -- the grand finale of the Flutter Interview Questions 2025 series! You have made it through 13 parts covering everything from Dart…
Connecting Flutter to Vehicle Signals: Building a Dart SDK for Eclipse KUKSA
When I started building a winter-road navigation app in Flutter, I needed a question answered that no existing package could answer: is the road icy r…