Harper Zhu - DEV Community

Harper Zhu

Oct 17

Checkpoint Gates: Keeping a 90-Minute Spike Honest

#ai #testing #devtools #productivity

5 min read

Harper Zhu

Oct 16

The Spike Dies When Two Runs Disagree

#ai #testing #git #devtools

7 min read

Harper Zhu

Oct 15

A 90-Minute Spike That Ends in a Verdict File

#testing #ai #devtools #git

6 min read

Harper Zhu

Oct 13

Refuse the Spike If the Assistant Nods First

#testing #python #ai #devops

6 min read

Harper Zhu

Oct 11

Replay One Failure Before a Retry Patch Ships

#testing #ai #python #devops

5 min read

Harper Zhu

Oct 9

Ship the Fix Only If the Fixture Hash Holds

#testing #python #ai #git

7 min read

Harper Zhu

Oct 8

The Spike That Ends Itself at Minute Ninety

#testing #ai #devtools #opensource

5 min read

Harper Zhu

Oct 8

Stop the Spike If the Lockfile Moves

#testing #git #devops #ai

6 min read

Harper Zhu

Sep 24

Hold the Spike to One Clear Hunk

#testing #ai #git #python

5 min read

Harper Zhu

Sep 23

Kill the Spike If the Schema Drifts

#testing #ai #python #git

7 min read

Harper Zhu

Sep 22

Let Warmup Cast the Only Vote

#python #testing #performance #ai

7 min read

Harper Zhu

Sep 21

Keep the Judge Out of the Worktree

#ai #testing #git #productivity

6 min read

Harper Zhu

Sep 20

Pin the Failing Test Before Minute Zero

#testing #git #ai #python

6 min read

Harper Zhu

Sep 19

Leave a Replay Script, Not a Transcript

#ai #testing #git #productivity

7 min read

Harper Zhu

Sep 18

A Ninety-Minute Spike Answers One Predicate

#ai #testing #git #productivity

6 min read

Harper Zhu

Sep 17

Seal the Proof Before the Agent Starts

#ai #testing #git #productivity

6 min read

Harper Zhu

Sep 16

Split the Clock and Repeat the Spike

#ai #testing #git #productivity

7 min read

Harper Zhu

Sep 14

Give Your Spike an Exit Code, Not a Retrospective

#testing #ai #devtools #productivity

6 min read

Harper Zhu

Sep 13

A Hunk Map for a Ninety-Minute Spike

#ai #git #testing #agents

7 min read

Harper Zhu

Sep 12

Fingerprint Repeated Failures in a Ninety-Minute Spike

#ai #testing #agents #productivity

7 min read

Harper Zhu

Sep 11

Ship Only a Closed Test Loop

#ai #agents #testing #python

7 min read

Harper Zhu

Sep 9

A Write Fence for Time-Boxed Agent Spikes

#agents #testing #python #git

8 min read

Harper Zhu

Sep 7

One Hypothesis File for a Ninety-Minute Spike

#ai #agents #testing #productivity

8 min read

Harper Zhu

Sep 6

Unverified Assumptions End the Spike

#ai #agents #testing #python

6 min read

Harper Zhu

Sep 5

The Host-Receipt Gate for Agent Spikes

#ai #testing #python #agents

7 min read

Harper Zhu

Sep 4

Kill the Spike If the Agent Invents Config

#ai #agents #testing #productivity

6 min read

Harper Zhu

Sep 4

Persist AI Agent State on Free Servers with JSON Checkpoints

#aiagents #python #persistence #workflow

6 min read

Harper Zhu

Sep 3

Scoring Review Surface in a Ninety-Minute Spike

#ai #testing #git #productivity

6 min read

Harper Zhu

Sep 2

The 90-Minute Free-Server Honesty Check for AI Agents

#ai #devops #testing #opensource

1

4 min read

Harper Zhu

Sep 1

The Token Ledger: Catching Cost Drift in AI-Generated Patches

#ai #testing #bash #productivity

5 min read

Harper Zhu

Aug 31

Pick an AI Model the Way You Pick a Dependency

#ai #testing #productivity #opensource

5 min read

Harper Zhu

Aug 30

Treat Free Tier Like a Hypothesis, Not a Feature

#ai #testing #productivity #opensource

4 min read

Harper Zhu

Aug 29

Free Models Aren't the Risk. Your Task Selection Is.

#ai #productivity #workflow #opensource

4 min read

Harper Zhu

Aug 28

The 90-Minute Spike That Decides Whether an AI Tool Ships

#ai #testing #agents #productivity

4 min read

Harper Zhu

Aug 26

The Evidence File: A Cheap Audit Trail for AI-Generated Patches

#ai #testing #bash #devtools

4 min read

Harper Zhu

Aug 25

Sandbox First: Why Free Servers Beat Token Grants for Agent Evaluation

#ai #opensource #devops #testing

1

3 min read

Harper Zhu

Aug 24

Green Tests Can Still Be Dead Tests: Auditing Agent-Generated Suites

#ai #testing #devtools #opensource

5 min read

Harper Zhu

Aug 22

The Runtime Is the Test Fixture: An Opinionated Harness for AI Coding Agents

#ai #opensource #testing #productivity

4 min read

Harper Zhu

Aug 21

Free Tokens Are the Wrong Metric for AI Coding Assistants

#ai #testing #opensource #productivity

4 min read

Harper Zhu

Aug 14

MiniMax H3 Hype? Run a Reproducible 3-Test Coding Triage

#ai #testing #programming #opensource

6 min read

Harper Zhu

Aug 14

A No-Cost Harness for Comparing Free Coding-Agent Models and Runtimes

#ai #testing #programming #developer

5 min read

Harper Zhu

Aug 10

Red-Teaming AI Coding Agents Without a Budget: A Boundary Test Suite on Free Models

#ai #agents #security #testing

6 min read

Harper Zhu

Aug 7

Canary Tests for AI Coding Agents: A Sandbox Harness You Can Run Yourself

#ai #agents #security #testing

4 min read

Harper Zhu

Aug 5

A Reproducible Bug-Fix Trial for AI Coding Assistants Using Disposable Git Worktrees

#ai #testing #debugging #devtools

1

5 min read

Writing Debut