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Debugging mixed ESM and CommonJS: separate module classification from loading

Debugging mixed ESM and CommonJS: separate module classification from loading

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4 min read
I cut transfer by 81–257 KiB. Did LCP actually improve? 30 Lighthouse runs

I cut transfer by 81–257 KiB. Did LCP actually improve? 30 Lighthouse runs

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4 min read
Test Planning: Before I Start Testing

Test Planning: Before I Start Testing

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2 min read
I Tried to Validate a Demand Assumption With Search. The Search Tool Had Its Own Blind Spot.

I Tried to Validate a Demand Assumption With Search. The Search Tool Had Its Own Blind Spot.

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3 min read
Trying Out AgentInspect

Trying Out AgentInspect

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9 min read
I Replaced a Gate That Accepted Everyone With a Gate That Accepted No One. My Tests Couldn't Tell the Difference.

Tests passing while security fails completely

I Replaced a Gate That Accepted Everyone With a Gate That Accepted No One. My Tests Couldn't Tell the Difference.

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17 min read
My security test was green for six weeks because it could not turn red

My security test was green for six weeks because it could not turn red

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3 min read
.NET 10 InlineArray Explicit Size: Fix TypeLoadException with a Wrapper

.NET 10 InlineArray Explicit Size: Fix TypeLoadException with a Wrapper

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4 min read
Diff the Behavior, Not the Code: A Differential Gate for Agent Patches

Diff the Behavior, Not the Code: A Differential Gate for Agent Patches

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5 min read
How I review an AI agent's diff (the diff comes last)

How I review an AI agent's diff (the diff comes last)

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5 min read
I Throttled My App to Slow 3G. Here's What My Tests Never Caught

Exposes race conditions hidden by fast wifi

I Throttled My App to Slow 3G. Here's What My Tests Never Caught

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Comments 34
7 min read
SELENIUM

SELENIUM

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2 min read
Your Agent Saved the File. Who Checked the Result?

Your Agent Saved the File. Who Checked the Result?

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Comments 26
6 min read
Making stancl/tenancy tests 3x faster in Laravel

Making stancl/tenancy tests 3x faster in Laravel

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8 min read
How do you decide two buttons are the same button?

How do you decide two buttons are the same button?

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4 min read
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