Files & Formats
Opening a ZIP Is Not the Same as Extracting Its Files
Treat a ZIP as a package: choose an extraction destination, open the working copy there, and keep the archive separate from the files you edit.
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Device Decoder
Copy, Move, and Shortcut: Three Different File Actions
Distinguish a second file from a moved file and a shortcut before reorganising folders, especially when a cloud service is involved.
Files & Formats
A Screenshot and a Text Copy Preserve Different Things
Choose between a screenshot and copied text by considering layout, exact wording, searchability, and the context needed by the person receiving it.
Files & Formats
Lossless Compression Does Not Mean Every File Gets Tiny
Learn what lossless compression preserves and why the resulting size depends on the data and method rather than a universal reduction percentage.
Web Explained
A Redirect Changes the Address You End Up At
Compare the address you requested with the final address after a redirect, and keep that distinction clear when reporting a website problem.
Web Explained
Why a Website Can Remember a Setting Without a Login
Understand how browser local storage can preserve a site setting, and why that does not mean the preference automatically follows you to every device.
Device Decoder
Make a Page Easier to Read With the Right Zoom Control
Distinguish whole-page zoom from text-only enlargement and try a small readability check before assuming that changing screen resolution is necessary.
Files & Formats
The Server Gives a File a Type as Well as a Name
Meet the Content-Type header and MIME type, then see why the name at the end of a web address is only one part of understanding a downloaded resource.