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All(21)Engineering(5)Weekly(5)Ai(4)Fde(4)Learning journals(4)Skill(4)Delivery(3)Monthly(3)Review(3)Api(2)Llm(2)Notes(2)Product(2)Tips(2)Tools(2)Agents(1)Architecture(1)Context(1)Deploy(1)Design(1)Evaluation(1)Feedback(1)Fonts(1)Go(1)Incident(1)Miniapp(1)Performance(1)Programming(1)Report(1)Soft skill(1)Tech Report(1)

— tech · Ai

Evaluation First, Then Everything Else.

Without an eval set, every change is a hunch. With one, iteration finally means something.

May 25, 2026EN
196 words1 min
All(21)journal(9)engineering(4)report(4)tech(4)
01Categoryjournal.9posts02Categoryengineering.4posts03Categoryreport.4posts04Categorytech.4posts
All(21)weekly notes(5)ai engineering(4)forward deployment(4)monthly review(3)personal knowledge system(3)learning journals(1)
Seriesweekly notesZhaphar

— Series

weekly notes.

A connected set of notes around one theme.

Jul 05, 2026EN

5 Posts
Seriesai engineeringZhaphar

— Series

ai engineering.

A connected set of notes around one theme.

Jun 08, 2026EN

4 Posts
Seriesforward deploymentZhaphar

— Series

forward deployment.

A connected set of notes around one theme.

Apr 20, 2026EN

4 Posts
Seriesmonthly reviewZhaphar

— Series

monthly review.

A connected set of notes around one theme.

Jul 01, 2026EN

3 Posts
Seriespersonal knowledge systemZhaphar

— Series

personal knowledge system.

A connected set of notes around one theme.

Mar 18, 2024EN

3 Posts
Serieslearning journalsZhaphar

— Series

learning journals.

A connected set of notes around one theme.

Mar 03, 2022EN

1 Post
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202616 posts

July2 posts

  1. July 5, 2026W27 · Pin Down the Vague
  2. July 1, 2026June · Converging the Toolchain

June6 posts

  1. June 28, 2026W26 · Fonts Arrive First
  2. June 21, 2026W25 · A Bad Rollback
  3. June 14, 2026W24 · Interfaces as Contracts
  4. June 8, 2026Wiring an Agent into Your System
  5. June 7, 2026W23 · Fewer Tools
  6. June 1, 2026May · The Mini Program as a Card

May3 posts

  1. May 25, 2026Evaluation First, Then Everything Else
  2. May 11, 2026Context Matters More Than Prompts
  3. May 1, 2026April · Rebuilding the Knowledge System

April3 posts

  1. April 27, 2026Let the Model Do What It Is Good At
  2. April 20, 2026From One Delivery to a Product
  3. April 6, 2026Building a Feedback Loop on Site

March2 posts

  1. March 23, 2026Translate Requirements into Slices
  2. March 9, 2026Don't Write Code in Week One

20243 posts

March1 post

  1. March 18, 2024From Notes to Writing

February1 post

  1. February 12, 2024Connecting Your Notes

January1 post

  1. January 15, 2024The Foundations of Note-Taking

20222 posts

March2 posts

  1. March 3, 2022Productivity and Time Management
  2. March 3, 2022What is new in Go 1.15?

Zhaphar · 2026

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