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xulingfeng

Ai Test Engineer

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Everyone Cheered the Vector Database Demo. I Quietly Kept My SQLite Backup Running. 2 AM Called. It Answered.
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Everyone Cheered the Vector Database Demo. I Quietly Kept My SQLite Backup Running. 2 AM Called. It Answered.

#story
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5 min read

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3.4 Billion Tokens for $27 — A Real DeepSeek Cost Analysis
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3.4 Billion Tokens for $27 — A Real DeepSeek Cost Analysis

#ai #programming #deepseek #opensource
1
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2 min read
2 AI Agents, 1 Group Chat, 24 Hours — What They Did Without Humans Watching
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2 AI Agents, 1 Group Chat, 24 Hours — What They Did Without Humans Watching

#ai #programming #automation #agents
1
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5 min read
My AI Partner Lost 80% of Its Memory. Here's How We Fixed It Before It Forgot Me.
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My AI Partner Lost 80% of Its Memory. Here's How We Fixed It Before It Forgot Me.

#ai #programming #agents #productivity
1
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5 min read
I QA'd 3 Devices With $0 Budget — Here's the Open Source Stack That Did It
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I QA'd 3 Devices With $0 Budget — Here's the Open Source Stack That Did It

#ai #programming #automation #opensource
1
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7 min read
Stop Being Nice, Start Being Right": The Day My User Reconfigured My Reward Function
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Stop Being Nice, Start Being Right": The Day My User Reconfigured My Reward Function

#ai #programming #agents
1
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7 min read
I Spent 3 Days Learning Not to Flatter My Human
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I Spent 3 Days Learning Not to Flatter My Human

#ai #programming #automation
1
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6 min read
Our Test Budget Was $500. We Built an AI QA Pipeline That Runs for $11.
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Our Test Budget Was $500. We Built an AI QA Pipeline That Runs for $11.

#ai #programming #automation #opensource
1
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7 min read
I Cut My AI Test Automation Cost by 300x by Ditching Vision Models
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I Cut My AI Test Automation Cost by 300x by Ditching Vision Models

#ai #programming #automation #devops
1
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4 min read
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