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Testing async side effects in an LLM agent harness: tickets, retries, and exactly-once

Testing async side effects in an LLM agent harness: tickets, retries, and exactly-once

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6 min read
Postgres race conditions live in a window of a few milliseconds

Postgres race conditions live in a window of a few milliseconds

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9 min read
Which model, settings and prompt? Testing an LLM step one change at a time

Which model, settings and prompt? Testing an LLM step one change at a time

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13 min read
Stop invoking the whole graph to test one node: unit tests and checkpoints for my LangGraph agent

Stop invoking the whole graph to test one node: unit tests and checkpoints for my LangGraph agent

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8 min read
I Read 150 Benchmark Traces to Find Out Why We Burned 3.1x the Tokens

I Read 150 Benchmark Traces to Find Out Why We Burned 3.1x the Tokens

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Comments 3
7 min read
Turn a Codebase into a Graph: Is floorplan Any Good?

Turn a Codebase into a Graph: Is floorplan Any Good?

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13 min read
0/55 three nights in a row: product bug or test bug?

0/55 three nights in a row: product bug or test bug?

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3 min read
Checking a word-reveal caption pipeline without mistaking hashes for review

Checking a word-reveal caption pipeline without mistaking hashes for review

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3 min read
An invoice API response is not a document delivery receipt

An invoice API response is not a document delivery receipt

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4 min read
Sort an Inventory View Without Reordering the Source Snapshot

Sort an Inventory View Without Reordering the Source Snapshot

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3 min read
How to fix flaky Playwright tests: a step-by-step checklist

How to fix flaky Playwright tests: a step-by-step checklist

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5 min read
The Eval Scorers You Actually Need for LLM Apps (and When to Use Each)

The Eval Scorers You Actually Need for LLM Apps (and When to Use Each)

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5 min read
Publish an App Inventor App on Google Play: Closed Testing

Publish an App Inventor App on Google Play: Closed Testing

Comments 1
4 min read
Two AI Agents Reviewed the Same PR. Was That Actually Independent?

Two AI Agents Reviewed the Same PR. Was That Actually Independent?

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Comments 2
1 min read
289 tests, 23 bugs, 8 real: what we learned checking every finding our AI testing agent made

289 tests, 23 bugs, 8 real: what we learned checking every finding our AI testing agent made

Comments 1
7 min read
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