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Category Archive: Macs

Check if files are identical and more with DropSum 1.1

Now warns if you drop a folder or app onto its window. You can disable MD5 hashes for added speed, and it works a treat for testing whether two files are identical.

July 29, 2025 Macs, Technology, Updates

Solutions to Saturday Mac riddles 318

I hope that you enjoyed Saturday’s Mac Riddles, episode 318. Here are my solutions to them. 1: Fastest […]

July 28, 2025 General, Macs, Technology

Links and aliases: which are best?

Three different ways to link to files, and two for folders. Which should you use, and how well do they cope with changes in that volume?

July 28, 2025 General, Macs, Technology

Last Week on My Mac: 🦉 No AI content

Dire warnings of the consequences of Google’s answer engine resulting in over-exploitation of the web and its exhaustion. It’s time to stand up and declare what’s written by a human, not an AI.

July 27, 2025 General, Life, Macs, Painting, Technology

Saturday Mac riddles 318

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: Fastest insectivore […]

July 26, 2025 General, Macs, Technology

A brief history of time synchronisation

Early Macs normally had their clocks synced manually, until System 8.5 introduced support for NTP. That later switched to a proprietary service, timed, in macOS 10.13 High Sierra.

July 26, 2025 Macs, Technology

Check MD5 and SHA-256 hashes with DropSum, a new app

Paste in the MD5 or SHA-256 hash for a download, drop the file onto its window, and DropSum will tell you if they match and the download is good.

July 25, 2025 Macs, Technology, Updates

Beware the full startup disk

What do you do when you discover your Mac’s Data volume has run out of free space? A guide to working with snapshots, iCloud Drive, and other tricks to salvage your Mac. And how to prevent this from happening again.

July 24, 2025 Macs, Technology

Intel Macs can be much slower computing SHA-256 hashes

Computing SHA-256 digests is a common and demanding task, particularly in security. A late Intel Mac is shown to be much slower at doing that than M-series Macs, and this considers why that might be.

July 23, 2025 Macs, Technology

Apple has just released an update to XProtect for all macOS

Apple has just released an update to XProtect for all supported versions of macOS, bringing it to version […]

July 22, 2025 Macs, Technology, Updates

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