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Akbo Ichou

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Decoding J1939 Diesel Fault Codes (SPN/FMI) in TypeScript — and Building a 767-Page Diagnostic Library

Decoding J1939 Diesel Fault Codes (SPN/FMI) in TypeScript — and Building a 767-Page Diagnostic Library

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3 min read
Building a Fair Trivia Quiz Engine: Unbiased Shuffling, Answer Position Balance and Team Scoring

Building a Fair Trivia Quiz Engine: Unbiased Shuffling, Answer Position Balance and Team Scoring

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3 min read
Scoring a Big Five Personality Test in TypeScript: Reverse-Keyed Items, Trait Scores and Continuums Instead of Labels

Scoring a Big Five Personality Test in TypeScript: Reverse-Keyed Items, Trait Scores and Continuums Instead of Labels

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3 min read
Mapping Free-Text Meals to a Food Table (and Refusing to Guess): Building Race-Week Nutrition Tools for Runners

Mapping Free-Text Meals to a Food Table (and Refusing to Guess): Building Race-Week Nutrition Tools for Runners

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3 min read
10 20 10 10: Composing 20,000 Email Templates That Don't Read Like Mail Merge

10 20 10 10: Composing 20,000 Email Templates That Don't Read Like Mail Merge

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3 min read
Turning a Government Fee Table Into a Rules Engine: Lessons From a US Passport Cost Calculator

Turning a Government Fee Table Into a Rules Engine: Lessons From a US Passport Cost Calculator

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3 min read
How an ATS Resume Checker Scores Your CV (and Why Developers Get Filtered Out)

How an ATS Resume Checker Scores Your CV (and Why Developers Get Filtered Out)

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3 min read
"Uncertain" Is a Valid Answer: Building an Ingredient Checker That Doesn't Guess

"Uncertain" Is a Valid Answer: Building an Ingredient Checker That Doesn't Guess

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3 min read
Building a Graffiti Text Generator With Canvas: FontFace Loading, Seeded Spray Effects and PNG Export

Building a Graffiti Text Generator With Canvas: FontFace Loading, Seeded Spray Effects and PNG Export

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3 min read
Generating Printable Math Worksheets in JavaScript: Seeded Randomness, Constraints and Answer Keys

Generating Printable Math Worksheets in JavaScript: Seeded Randomness, Constraints and Answer Keys

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3 min read
Converting Video and Audio Entirely in the Browser With WebAssembly: Lessons From Building a Free Converter

Converting Video and Audio Entirely in the Browser With WebAssembly: Lessons From Building a Free Converter

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3 min read
The Math Behind a Freelance Consulting Rate Calculator (Overhead, Billable Hours and Location Multipliers)

The Math Behind a Freelance Consulting Rate Calculator (Overhead, Billable Hours and Location Multipliers)

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3 min read
Implementing Validated Mental Health Screeners (Like PHQ-9) on the Web: Scoring, Severity Bands and Safety Rules

Implementing Validated Mental Health Screeners (Like PHQ-9) on the Web: Scoring, Severity Bands and Safety Rules

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3 min read
Keep the Math Out of the LLM: A Calorie Calculator Where AI Only Explains the Result

Keep the Math Out of the LLM: A Calorie Calculator Where AI Only Explains the Result

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3 min read
A "Daily Challenge" That Resets at Midnight: Deterministic Picks Without a Backend

A "Daily Challenge" That Resets at Midnight: Deterministic Picks Without a Backend

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3 min read
Building 24 Classroom Tools That Load Fast on a School Chromebook (No Login, No Student Data)

Building 24 Classroom Tools That Load Fast on a School Chromebook (No Login, No Student Data)

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3 min read
From Denial Letter to Appeal PDF: Building a No-Login Document Generator for Health Insurance Appeals

From Denial Letter to Appeal PDF: Building a No-Login Document Generator for Health Insurance Appeals

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3 min read
Designing a "Can My Dog Eat This?" Content Model: Verdict-First Pages, Structured Data and Safety Caveats

Designing a "Can My Dog Eat This?" Content Model: Verdict-First Pages, Structured Data and Safety Caveats

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3 min read
How I Structured a 21,000-Page AI Prompt Library for SEO (Without It Turning Into Thin Content)

How I Structured a 21,000-Page AI Prompt Library for SEO (Without It Turning Into Thin Content)

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3 min read
Calculators Should Show Their Work: Lessons From Building 91 Formula-First Tools in 6 Languages

Calculators Should Show Their Work: Lessons From Building 91 Formula-First Tools in 6 Languages

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3 min read
Building an AI Rubric Grader as a Chrome Side Panel for Google Classroom

Building an AI Rubric Grader as a Chrome Side Panel for Google Classroom

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3 min read
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