YDMmobile / oss

Field notes / 37 entries

만들며 배운 것을 남깁니다.

  1. 01

    A Prompt Is Not a Policy: Writing an Operating Contract for Coding Agents

    2026-08-08 · EN

  2. 02

    Stop Hiring One Super-Agent: Divide Research by Evidence Boundary

    2026-08-08 · EN

  3. 03

    ‘Looks Good’ Is Not Verification: Give Coding Agents an Evidence Matrix

    2026-08-08 · EN

  4. 04

    Eight Review Findings, One Bug: What `merry init` Taught Me About Paths

    2026-08-06 · EN

  5. 05

    staticElement Is Gone in analyzer 8.x — Ask the Return Type Instead

    2026-08-03 · EN

  6. 06

    긴급도를 저장하지 않기로 했습니다 (매초 UPDATE 치는 대신)

    2026-08-03

  7. 07

    One Constructor Argument, Two Incompatible Contracts: NativeEventEmitter Across the React Native Bridge Divide

    2026-08-03 · EN

  8. 08

    The Rules I Wrote Down Before Touching a Private API

    2026-08-03 · EN

  9. 09

    Fourteen Green Runs and Ten Days of Silence: Your Scheduler Runs a Different Bash

    2026-08-03 · EN

  10. 10

    임계값 하나로는 '확신'을 표현할 수 없다 (feat. 1등과 2등이 붙어 있을 때)

    2026-08-03

  11. 11

    Your Build Says Fabric. Ask the Runtime.

    2026-07-27 · EN

  12. 12

    블루투스로 거리를 잰다고요? (사실 거리는 안 잽니다)

    2026-07-19

  13. 13

    걸음 수가 뒤로 갑니다 (그리고 시작하자마자 150걸음이 순간이동합니다)

    2026-07-19

  14. 14

    Balancing a Game Nobody Has Played Yet: Deterministic Autoplay, and the One Metric I Got Wrong

    2026-07-19 · EN

  15. 15

    배속 버튼, 그냥 2를 곱하면 되잖아? (게임이 조용히 고장 나는 이유)

    2026-07-19

  16. 16

    에셋이 있으니까 이식한다? (그건 이식할 이유가 아니었습니다)

    2026-07-19

  17. 17

    The Checker That Lies: Why a Backgrounded Browser Can't Judge Your Game

    2026-07-19 · EN

  18. 18

    내 파이프라인이 내 옛날 블로그를 차단했습니다 (feat. 자기 조상 잡아먹기)

    2026-07-19

  19. 19

    You Don't Choose Your Scraping Strategy — the Platform's API Surface Does

    2026-07-18 · EN

  20. 20

    다음 버전이 1.3.0인가요 1.2.1인가요? (커밋 로그가 이미 답을 알고 있습니다)

    2026-07-18

  21. 21

    Teaching Your IDE to Show Icons: Inline SVG Previews in Dartdoc Comments

    2026-07-18 · EN

  22. 22

    브랜치를 갈아끼우지 마세요 (부제: 디렉터리를 하나 더 파면 됩니다)

    2026-07-18

  23. 23

    스마트폰은 걸음 수를 어떻게 셀까? (센서가 없으면 직접 셉니다)

    2026-07-18

  24. 24

    Why 45992700 Is Not 459927: Longest-Prefix-First BIN Matching for Korean Cards

    2026-07-18 · EN

  25. 25

    Publishing to pub.dev With Zero Stored Secrets: OIDC and Per-Package Tags for a Federated Flutter Plugin

    2026-07-18 · EN

  26. 26

    The Best OCR Fix Was Deleting Code: Lessons from a React Native Receipt Scanner

    2026-07-18 · EN

  27. 27

    로그인하고 나면 왜 내 앱으로 돌아올까? (그 길, 제가 안 깔아둬서 한 번 잃어버렸습니다)

    2026-07-18

  28. 28

    이 숫자, 초인가요 밀리초인가요? (코드는 안 물어보고 그냥 비교합니다)

    2026-07-18

  29. 29

    Spec First Isn't a House Rule — the New Architecture Toolchain Enforces It

    2026-07-18 · EN

  30. 30

    깃허브 프로필에 예쁜 코딩 통계 박기 (feat. 마켓플레이스 액션까지 만들어버림)

    2026-07-18

  31. 31

    My AI Code Reviewer Is Only Allowed to Say Two Things

    2026-07-17 · EN

  32. 32

    iOS 26 Finally Fixed Alarm Apps. Android Still Makes You Earn It.

    2026-07-17 · EN

  33. 33

    iOS 위젯은 왜 내 앱 데이터를 못 읽을까? (App Group으로 데이터 넘기는 두 가지 방법)

    • ios
    • swift
    • swiftdata
    • widgetkit
    • app-group

    2026-07-17

  34. 34

    Your React Native App Says ‘New Architecture.’ Your Dependencies May Disagree.

    2026-07-16 · EN

  35. 35

    nvm Keeps Eating My Global Packages: Building node-snapshot to Get Them Back

    2026-07-14 · EN

  36. 36

    new Promise(async ...), 내 에러 어디 갔니? (부제: 스택트레이스는 죄가 없습니다)

    2026-07-13

  37. 37

    Naver Login on React Native's New Architecture: What My TurboModule Rewrite Changes (and What It Doesn't)

    2026-07-13 · EN