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CSV Transformer Field Guide: When Six Typed Operations Decide Whether a CSV Reaches the Warehouse
Most CSV pipelines break on the third transformation. A clean rename passes through, a type…
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Header Remover Field Guide: When the First Row Is Metadata, Three Modes, and One Validation Pass Decide Whether Your CSV Lands Clean or Corrupts a Whole Import Pipeline
The first row of a CSV is metadata until it isn't, and the moment a…
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Bulk Email Extractor Field Guide: When Plus-Addressing, Gmail Dotted Aliasing, and Trailing Dots Slip Past Naive Regex
A field guide to the five failure patterns bulk email regex silently misses: plus-tagging, dotted aliasing, trailing dots, case-insensitive dedup, and the two-stage normalization your downstream pipeline needs.
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CSV Malformed Row Surgeon Field Guide: When Per-Row Diff Beats A Global Clean
A row-level diff beats a global clean when one CSV file mixes well-formed rows with…
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Capitalize Sentences: A Surgical One-Letter-Per-Sentence Fix
Sentence starts need to be capital, but the rest of the text already has the caps it wants. A surgical one-letter-per-sentence fix beats a blanket re-case every time.
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Remove Duplicate Lines Field Guide: The Five Edge Cases Behind Every “Just Dedup It”
The fastest way to dedupe a long list of lines is rarely a custom script.…
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Before the Columns: A Header Remover Field Guide for Database Importers
A clean CSV file is a polite file: it knows the difference between a header…
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Cleaning messy data with an AI that respects the schema you already have
The fastest way to ruin a dataset is to clean it without reading it first.…
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Why Two Rows That Look Like Duplicates Are Not Always the Same Person: A Field Guide to Multi-Column CSV Deduplication
Why Two Rows That Look Like Duplicates Are Not Always the Same Person: A Field…
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Why your CSV file has no headers — and what to do about it
Why your CSV file has no headers — and what to do about it Most…