COSESAI

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Em-dash & Typographic Purifier Field Guide: When AI-Generated Plain ASCII, Markdown Source, and Six Quote and Dash Decisions Decide Whether Your Manuscript Reads as Polished or as 1995

By xiezixing 2026年10月7日

Closing first: the Em-dash & Typographic Purifier is not a spell-checker, and treating it as…

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Podcast Chapter Marker Builder Field Guide: When Six Chapter Formats Need to Ship At Once

By xiezixing 2026年9月28日

Most podcasts ship chapters. Few ship them everywhere. Build it once, and the same chapter…

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OpenAPI to Postman Collection: Eight Decisions That Decide Whether Your Collection Runs Under Newman

By xiezixing 2026年9月24日

A clean Postman collection starts with a clean spec, not a clever converter. Most “OpenAPI…

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OpenAPI to Postman Collection Field Guide: When Five Pipeline Steps, One Folder Layout, and Three Variable Strategies Decide Whether Your Imported Collection Runs in Newman or Dies on First Request

By xiezixing 2026年9月15日

Spec converted, collection downloaded, Postman says "Cannot find variable: baseUrl." That's the gap every OpenAPI-to-Postman…

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LibreOffice XLSX to PDF Report Field Guide: When Batch Print Layout, Page Setup, and One Merge Step Decide Whether 30 Workbooks Land as One PDF or Thirty Loose Files

By xiezixing 2026年9月7日

A field guide to the LibreOffice XLSX to PDF Report tool at Elysia Tools — five decisions that decide whether your batch of 30 workbooks lands as a clean 38-page PDF or thirty loose files.

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Capitalize Sentences: A Surgical One-Letter-Per-Sentence Fix

By xiezixing 2026年8月15日

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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Crontab Converter Field Guide: Five Targets, One Cron Expression

By xiezixing 2026年8月9日

Five lives of the same five numbers. A crontab expression is just five whitespace-separated fields…

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Five Stars That Run Your Production: A Field Guide to Cron Expressions

By xiezixing 2026年7月27日

Five small fields decide when every cron job in your fleet fires — and three dialects decide which rules apply. A field guide to reading cron expressions, the classic day-of-month vs day-of-week OR gotcha, and how the Cron Expression Explainer decodes any schedule in any IANA timezone.

Your Spreadsheet Has the Data. The Chart Still Needs a Home.

By xiezixing 2026年7月24日

Embed bar or pie chart images into XLSX workbooks so data and visual reports travel together.

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Why RSS Digests Break: 5 Feed Traps to Test Before You Publish

By xiezixing 2026年7月24日

I have watched a 20-item RSS digest turn into 31 repeated links, 4 undated posts,…