Articles Tagged “Business Systems”
4 articles tagged “Business Systems”, newest first.
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Never Use a QR Code's Decoded Value As-Is — Error Correction Succeeding Does Not Guarantee the Value
QR code error correction is not a mechanism that guarantees the value is correct once correction succeeds. Using sample images and measurements from two diff...
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Integrating With REST APIs From PowerShell — Invoke-RestMethod in Practice
A practical guide to calling in-house and SaaS REST APIs from PowerShell: passing authentication headers, avoiding mojibake in non-ASCII JSON, handling 4xx/5...
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Code Design for Business Systems — Deciding Product and Customer Codes, and Check Digits
A practical guide to deciding the code scheme for a business system, including product and customer codes. Covers a decision table for meaningful codes versu...
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The Minimum You Need to Know Before Reading COBOL Source Code
For anyone suddenly handed COBOL source code: a minimum set covering DIVISIONs, PIC, COMP-3, COPY, PERFORM, fixed format, and how to spot external boundaries.