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Merge messy monthly CSVs with Python and verify the row counts

Merge messy monthly CSVs with Python and verify the row counts

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8 min read
How to Flatten Nested JSON into a CSV Table

How to Flatten Nested JSON into a CSV Table

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4 min read
Merging CSV and Excel files without breaking them: encodings, leading zeros, and header drift (.NET notes)

Merging CSV and Excel files without breaking them: encodings, leading zeros, and header drift (.NET notes)

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2 min read
I added a CSV contact importer to a shadcn registry

I added a CSV contact importer to a shadcn registry

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2 min read
One Column, Five Date Formats: Detecting and Fixing Mixed Dates in pandas

One Column, Five Date Formats: Detecting and Fixing Mixed Dates in pandas

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5 min read
How to group Data Loader error rows after a Salesforce import

How to group Data Loader error rows after a Salesforce import

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4 min read
Check a Salesforce Contact export after a load: orphans, duplicate External IDs, and picklist mismatches

Check a Salesforce Contact export after a load: orphans, duplicate External IDs, and picklist mismatches

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6 min read
The Label & Card Maker's Number Contract: 50 Copies, 20 Skips, 500 Labels and Three Ways It Says No

The Label & Card Maker's Number Contract: 50 Copies, 20 Skips, 500 Labels and Three Ways It Says No

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4 min read
Merging Verizon Connect Work exports: 2-year chunks, duplicate jobs and dd/mm dates

Merging Verizon Connect Work exports: 2-year chunks, duplicate jobs and dd/mm dates

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5 min read
The Value Axis of the Chart Maker: 16 Datasets, One Step Rule, and Why a Maximum of 13 Draws Only Four Gridlines

The Value Axis of the Chart Maker: 16 Datasets, One Step Rule, and Why a Maximum of 13 Draws Only Four Gridlines

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6 min read
A 3PL invoice is a spreadsheet of promises nobody re-reads — here is the cross-check I coded

A 3PL invoice is a spreadsheet of promises nobody re-reads — here is the cross-check I coded

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5 min read
How to clean a messy CSV export with Python’s csv module

How to clean a messy CSV export with Python’s csv module

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5 min read
How 1,000 Companies Handle CSV Import

How 1,000 Companies Handle CSV Import

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5 min read
Reconcile Security Tags Against Sales in Under 60 Lines of Python

Reconcile Security Tags Against Sales in Under 60 Lines of Python

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4 min read
Express Node.js CSV Exports to S3-Compatible Storage — A 4-Step Signed-Link Flow

Express Node.js CSV Exports to S3-Compatible Storage — A 4-Step Signed-Link Flow

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5 min read
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