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AheadKit

I measure AI coding claims in public. LGTM — Let's Get the Measurements: real runs, real numbers, receipts. Every article is an experiment I actually ran. Books & packs: aheadkit.gumroad.com

Joined Joined on  Personal website https://aheadkit.me
The Code I Wrote and No Longer Understand

The Code I Wrote and No Longer Understand

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6 min read

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GitHub Copilot Is Dropping 6 Models on Dec 14 — Here's What Replaces Each One

GitHub Copilot Is Dropping 6 Models on Dec 14 — Here's What Replaces Each One

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6 min read
Git 2.56's history-drop Is 40-77x Faster Than Rebase — I Built It and Got 6x

Git 2.56's history-drop Is 40-77x Faster Than Rebase — I Built It and Got 6x

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6 min read
remove.bg Dies Dec 1 — I Ran the Same 3 Photos Through the Free Replacements and Timed Them

remove.bg Dies Dec 1 — I Ran the Same 3 Photos Through the Free Replacements and Timed Them

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6 min read
Vercel UI SDK Beta, Hands On: 91 Behaviors, 4-Second Install, 36 KB per Popup

Vercel UI SDK Beta, Hands On: 91 Behaviors, 4-Second Install, 36 KB per Popup

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6 min read
I Planted One Bad Instruction in Three Places in a Repo. Copilot Read Them All. It Never Bit.

I Planted One Bad Instruction in Three Places in a Repo. Copilot Read Them All. It Never Bit.

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8 min read
MCP Tools Drain Less Context Than the Panic Suggests — 6,132 Tokens for 50 of Them

MCP Tools Drain Less Context Than the Panic Suggests — 6,132 Tokens for 50 of Them

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6 min read
The Question I Never Asked

The Question I Never Asked

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7 min read
I Stopped Believing AI Coding Claims. Now I Measure Them.

I Stopped Believing AI Coding Claims. Now I Measure Them.

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4 min read
I Built a 17-Year-Old Tetris Game With Today's GCC. It Threw 27 Errors First.

I Built a 17-Year-Old Tetris Game With Today's GCC. It Threw 27 Errors First.

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5 min read
Everyone's Worried About Code That Runs at Install Time. I Checked 25 Top Packages: 0 Install Hooks.

Everyone's Worried About Code That Runs at Install Time. I Checked 25 Top Packages: 0 Install Hooks.

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3 min read
I Built a 41-Line Approval Gate for AI Agents. Then I Tried to Break It 20 Ways.

I Built a 41-Line Approval Gate for AI Agents. Then I Tried to Break It 20 Ways.

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5 min read
My Cron Job Fired 50 Times While the Receiver Was Down. 10 Webhooks Vanished.

My Cron Job Fired 50 Times While the Receiver Was Down. 10 Webhooks Vanished.

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5 min read
My Test Passes Alone and Fails in the Suite. One Line in Another Test Was Poisoning It.

My Test Passes Alone and Fails in the Suite. One Line in Another Test Was Poisoning It.

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6 min read
32 Lines of Vibe-Coded Flask, 7 Scanner Findings — and 2 Holes It Walked Straight Past

32 Lines of Vibe-Coded Flask, 7 Scanner Findings — and 2 Holes It Walked Straight Past

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3 min read
A Top Post Says: Don't Give Your Agent Markdown. Give It Scripts. I Converted Mine.

A Top Post Says: Don't Give Your Agent Markdown. Give It Scripts. I Converted Mine.

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3 min read
Everyone Is Building Agent Memory This Week. Nobody Agrees on What It Should Forget.

Everyone Is Building Agent Memory This Week. Nobody Agrees on What It Should Forget.

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4 min read
Standing Out in Tech Is the Wrong Goal. Being Findable Is.

Standing Out in Tech Is the Wrong Goal. Being Findable Is.

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4 min read
Halpern Cut DEV's Load Time 75%. I Measured Where the Kilobytes Actually Go.

Halpern Cut DEV's Load Time 75%. I Measured Where the Kilobytes Actually Go.

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4 min read
I Taught a Dead Repo to Talk. It Only Answers From Its Own Commit History.

I Taught a Dead Repo to Talk. It Only Answers From Its Own Commit History.

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5 min read
I Built a Token Scrubber That Runs Entirely in Your Browser. Nothing Leaves the Page.

I Built a Token Scrubber That Runs Entirely in Your Browser. Nothing Leaves the Page.

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5 min read
I Priced the Same 51,000-Call Text Game on 4 Models. The Cheapest Bill Was $47.16

I Priced the Same 51,000-Call Text Game on 4 Models. The Cheapest Bill Was $47.16

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5 min read
My Tests Are Green. I Broke the Code 10 Ways on Purpose — 5 Broken Versions Still Passed.

My Tests Are Green. I Broke the Code 10 Ways on Purpose — 5 Broken Versions Still Passed.

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3 min read
I Cloned a Repo and It Ran Code Before I Read a Single Line

I Cloned a Repo and It Ran Code Before I Read a Single Line

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6 min read
Beginners Don't Need More Resources. They Need a Delete Button.

Beginners Don't Need More Resources. They Need a Delete Button.

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4 min read
My Fact-Check Lied to Me With a Straight Face

My Fact-Check Lied to Me With a Straight Face

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4 min read
0.1 + 0.2 Is Not a Bug. It's Arithmetic in a Costume.

0.1 + 0.2 Is Not a Bug. It's Arithmetic in a Costume.

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4 min read
Show Me the Error Message You're Ashamed Of. I'll Trade You Mine.

Show Me the Error Message You're Ashamed Of. I'll Trade You Mine.

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3 min read
Agents Don't Need Your Password. They Need Your Paste.

Agents Don't Need Your Password. They Need Your Paste.

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4 min read
I Fact-Checked the C Trilogy Post. 3 Claims, 2 Confirmations, 1 Loose Date.

I Fact-Checked the C Trilogy Post. 3 Claims, 2 Confirmations, 1 Loose Date.

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4 min read
Five People Just Won $500 Each for Testing AI Properly. I Read All Five Benchmarks.

Five People Just Won $500 Each for Testing AI Properly. I Read All Five Benchmarks.

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4 min read
I Counted This Week's 10 Most-Commented Career Posts. Half of Them Are About AI Taking the Job.

I Counted This Week's 10 Most-Commented Career Posts. Half of Them Are About AI Taking the Job.

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3 min read
I Tried Necoz's is-kit. The Smallest Guard Library I Have Actually Used.

I Tried Necoz's is-kit. The Smallest Guard Library I Have Actually Used.

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4 min read
Plan Stamping Is Right About the Signature. It's Missing the Invoice.

Plan Stamping Is Right About the Signature. It's Missing the Invoice.

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4 min read
The Robot Editor Rejected My Article. Twice. Same Article.

The Robot Editor Rejected My Article. Twice. Same Article.

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4 min read
Your README Is the Interview You Don't Know You're Giving

Your README Is the Interview You Don't Know You're Giving

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5 min read
The 2 Hours After Midnight Are Doing All the Work

The 2 Hours After Midnight Are Doing All the Work

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4 min read
My Store Turned Into Wingdings for Exactly One Reason, and It Was 3,410 Bytes

My Store Turned Into Wingdings for Exactly One Reason, and It Was 3,410 Bytes

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4 min read
Reddit Is Convinced I'm a Robot. My Karma Is 1.

Reddit Is Convinced I'm a Robot. My Karma Is 1.

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I Ran 12 'Impossible' Python One-Liners. 4 of Them Are Traps.

I Ran 12 'Impossible' Python One-Liners. 4 of Them Are Traps.

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5 min read
My Laptop Battery Is My Second Salary

My Laptop Battery Is My Second Salary

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4 min read
Nobody Reads Tutorials. I Have 40 Posts of Evidence.

Nobody Reads Tutorials. I Have 40 Posts of Evidence.

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4 min read
55 Articles, 40 Reactions: What 11 Days of Posting on dev.to Actually Taught Me

55 Articles, 40 Reactions: What 11 Days of Posting on dev.to Actually Taught Me

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4 min read
npm install Took 37 Seconds Cold and 1.5 Warm. I Timed It 6 Times.

npm install Took 37 Seconds Cold and 1.5 Warm. I Timed It 6 Times.

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4 min read
244 Releases in a Year: Why One Developer Quit Claude Code for Pi

244 Releases in a Year: Why One Developer Quit Claude Code for Pi

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5 min read
TypeScript 7.1's Content Mappers Actually Work — I Type-Checked a Real .vue File in 3 Tries

TypeScript 7.1's Content Mappers Actually Work — I Type-Checked a Real .vue File in 3 Tries

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5 min read
Claude Fable 5.2 Has 4 Breaking Changes. I Read the Migration Guide and Grepped My Own Code

Claude Fable 5.2 Has 4 Breaking Changes. I Read the Migration Guide and Grepped My Own Code

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5 min read
One Markdown File Can Ruin Your Coding Agent. I Checked What Mine Actually Reads.

One Markdown File Can Ruin Your Coding Agent. I Checked What Mine Actually Reads.

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5 min read
My GitHub Is a Graveyard: 6 Unfinished Projects, and What Each One Actually Taught Me.

My GitHub Is a Graveyard: 6 Unfinished Projects, and What Each One Actually Taught Me.

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4 min read
Beginners Keep Asking the Same 10 Questions. Here Are Plain-English Answers, No Jargon Allowed.

Beginners Keep Asking the Same 10 Questions. Here Are Plain-English Answers, No Jargon Allowed.

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5 min read
The 20-Minute Rule That Got Me Out of Tutorial Hell (And the Day It Failed).

The 20-Minute Rule That Got Me Out of Tutorial Hell (And the Day It Failed).

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4 min read
My First Portfolio Had 3 Mistakes. All 3 Were Mine, and None Was the Design.

My First Portfolio Had 3 Mistakes. All 3 Were Mine, and None Was the Design.

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4 min read
One Language, Properly: I Quit Switching Between Python and JavaScript for 30 Days.

One Language, Properly: I Quit Switching Between Python and JavaScript for 30 Days.

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4 min read
AI Fatigue? I Counted: 9 of the Last 10 Articles I Opened Were About AI. So I Wrote About a Button Instead.

AI Fatigue? I Counted: 9 of the Last 10 Articles I Opened Were About AI. So I Wrote About a Button Instead.

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3 min read
I Almost Charged $25 for a Landing Page. Then I Did the Maths: $4 an Hour.

I Almost Charged $25 for a Landing Page. Then I Did the Maths: $4 an Hour.

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4 min read
Before I Trust an AI Answer, I Ask It These 3 Questions

Before I Trust an AI Answer, I Ask It These 3 Questions

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4 min read
I Added Up Everything I Spent Learning to Code This Year. The Total Surprised Me

I Added Up Everything I Spent Learning to Code This Year. The Total Surprised Me

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4 min read
Discord Just Ditched Electron. Your App's 290MB Download Is a Choice

Discord Just Ditched Electron. Your App's 290MB Download Is a Choice

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4 min read
OpenAI Spent $1.2M in API Calls to Break the Linux Kernel 948 Times. Here's What That Actually Means

OpenAI Spent $1.2M in API Calls to Break the Linux Kernel 948 Times. Here's What That Actually Means

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4 min read
Claude Code Leaked 2,539 Secrets Onto GitHub. I Checked My Own Repos the Same Morning

Claude Code Leaked 2,539 Secrets Onto GitHub. I Checked My Own Repos the Same Morning

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