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Building a Hash Identifier Without ML — Just Rules, Scores, and Honesty About Ambiguity
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Building a Hash Identifier Without ML — Just Rules, Scores, and Honesty About Ambiguity

#python #cli #security #tutorial
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8 min read
Perceptual Image Diff Without NumPy — Building a Pillow-Only CLI
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Perceptual Image Diff Without NumPy — Building a Pillow-Only CLI

#python #cli #imageprocessing #tutorial
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9 min read
What's Actually In This CSV? A Zero-Dep Python Profiler
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What's Actually In This CSV? A Zero-Dep Python Profiler

#python #cli #csv #tutorial
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9 min read
Text Generation Before Transformers: Building a Markov Chain in 200 Lines of Python
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Text Generation Before Transformers: Building a Markov Chain in 200 Lines of Python

#python #cli #nlp #tutorial
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10 min read
Japanese Width Conversion Without Regex: Full↔Half ASCII, Katakana, and the Dakuten Merge Problem
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Japanese Width Conversion Without Regex: Full↔Half ASCII, Katakana, and the Dakuten Merge Problem

#python #japanese #cli #tutorial
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9 min read
When does this cron run next? Give it its own 70 MB container
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When does this cron run next? Give it its own 70 MB container

#python #fastapi #cron #tutorial
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8 min read
Slugifying Japanese URLs Is Harder Than You Think — I Built a Focused CLI
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Slugifying Japanese URLs Is Harder Than You Think — I Built a Focused CLI

#python #japanese #cli #tutorial
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10 min read
Writing `tail -f | jq` That Doesn't Feel Like a Rube Goldberg Machine
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Writing `tail -f | jq` That Doesn't Feel Like a Rube Goldberg Machine

#python #cli #logging #tutorial
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10 min read
A 150-Line FastAPI Service for 'Is Today a Holiday?'
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A 150-Line FastAPI Service for 'Is Today a Holiday?'

#python #fastapi #calendar #tutorial
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8 min read
A 60 MB FastAPI Service That Extracts Text From PDFs (and Why It Beats Tika for the 90% Case)
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A 60 MB FastAPI Service That Extracts Text From PDFs (and Why It Beats Tika for the 90% Case)

#python #fastapi #api #tutorial
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8 min read
I Built a FastAPI QR Code Service and the Library Choice Mattered More Than the Code
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I Built a FastAPI QR Code Service and the Library Choice Mattered More Than the Code

#python #fastapi #qrcode #tutorial
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9 min read
Writing a Polite Crawler: sitemap-gen for the Sites SSGs Forgot
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Writing a Polite Crawler: sitemap-gen for the Sites SSGs Forgot

#python #seo #cli #tutorial
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9 min read
Writing a Privacy Tool You Can Actually Trust: exif-stripper in 500 Lines of Python
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Writing a Privacy Tool You Can Actually Trust: exif-stripper in 500 Lines of Python

#python #privacy #cli #tutorial
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8 min read
Dead Code in Python Is Undecidable — So I Built a Detector That Admits It
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Dead Code in Python Is Undecidable — So I Built a Detector That Admits It

#python #staticanalysis #cli #tutorial
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10 min read
grep's flat output is the wrong abstraction for exploratory searches
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grep's flat output is the wrong abstraction for exploratory searches

#python #cli #grep #tutorial
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9 min read
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