Blog
Practical articles from KomuraSoft LLC about website development, SEO, Google Ads, Windows development, legacy asset reuse, and bug investigation.
Talk to KomuraSoft LLC about website development, SEO, Google Ads, existing site improvement, Windows development, or technical consulting.
Talk about Website Development / SEO / Google Ads-
Sorting out Windows text encodings and line endings - Shift_JIS / UTF-8 / UTF-16, mojibake, CRLF / LF, and why it gets confusing
A practical guide that breaks Windows text-file trouble down into independent pieces — bytes, encoding, BOM, and CRLF / LF — and walks through how to set con...
-
Pseudorandom vs True Random: How to Tell Them Apart
A practical look at pseudorandom and true random numbers across four axes - source, reproducibility, predictability, and speed - covering how CSPRNGs and phy...
-
What GS1 Barcode Standards Actually Define, and What to Watch for in Practice - Sorting Out GTIN, AI, GS1-128, and GS1 DataMatrix
Organizes GS1 barcode standards into four layers - GTIN as the identification key, Application Identifiers for attributes, GS1-128 and GS1 DataMatrix as symb...
-
Pitfalls in COM, OCX, and ActiveX Development - Visual Studio Bitness, Registration, and Admin-Rights Traps
The traps that bite COM, OCX, and ActiveX work in practice: 32-bit/64-bit mismatches, regsvr32 vs Regasm, HKCU vs HKLM scope, and admin-rights weirdness — so...
-
Where to `catch`, log, and handle exceptions — sorting out call-hierarchy boundaries and responsibilities for real-world code
A practical breakdown of where in the call hierarchy you should catch exceptions, where the primary log belongs, and where to decide between recovery and tur...
-
What ClickOnce Actually Is: How It Works, How Updates Flow, and Where It Fits in Practice
A practical look at ClickOnce — how the manifests, auto-updates, per-version cache, and signing fit together, why it shines for internal line-of-business app...
-
What Windows Efficiency Mode Is: What the Green Leaf Icon in Windows 11 Means and How to Turn It Off
A practical look at the green leaf icon (Efficiency Mode) you see in Windows 11: what it actually does, when Windows applies it automatically, how to turn it...
-
How to Use Windows Sandbox to Speed Up Windows App Validation - Admin Rights, Clean Environments, and Reproducing Missing-Permission or Low-Resource Cases
A practical guide to validating Windows apps with Windows Sandbox. Covers first-install checks in a clean environment, isolating admin-rights issues, and rep...
-
Why PPAP Fails as Email Security, and What to Do Instead
PPAP (password-protected ZIP plus a follow-up password email) looks encrypted but fails on interception, misdelivery, malware scanning, sender authenticity, ...
-
When You Can't Avoid Building Your Own Logger: Practical Minimum Requirements and Integration Test Checks
When you have no choice but to build a custom application logger, here are the minimum requirements to lock down first and the integration test items — using...