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My Pointer/Cursor Keeps Disappearing: what can I do?

This is a common problem. You’re in the middle of something, and the pointer (or cursor) goes into […]

May 5, 2017 Macs, Technology

DispatchRider into second alpha, with saved activities and more

New release lets you save and re-open activity configurations in simple plist files, and fixes a couple of annoying bugs.

May 5, 2017 Macs, Technology

More new Mac malware expected soon: OSX.Snake?

Spring is obviously the season for the detection of new malware affecting macOS and OS X users. This […]

May 3, 2017 Macs, Technology

New and existing bugs in the unified log in Sierra 10.12.4-6

Significant bugs or undesirable features limiting log, Console, and os_log as of 10.12.4.

May 3, 2017 Macs, Technology

Beyond Scripting in Swift: Running background activities

Getting GCD to schedule and dispatch a packaged external task, like a backup, is actually straightforward. Here’s how.

May 3, 2017 Macs, Technology

Keeping Background Tasks in the Background: DispatchRider

An experimental tool to let you schedule background tasks of your own, which are managed by Grand Central Dispatch. First alpha release.

May 2, 2017 Macs, Technology

More new malware: OSX.Dok.B or OSX.Bella, but we’re already protected

Apple’s recent updates to XProtect and MRT covered not only OSX/Dok, the new Trojan discovered by Ofer Caspi […]

May 1, 2017 Macs, Technology

More bugs in Sierra’s log system, and a new release of Blowhole

Sierra 10.12.4 introduced undocumented changes in the log system which may break apps which write to the logs. Here is Blowhole fixed for that change.

May 1, 2017 Macs, Technology

Watching Grand Central Dispatch at Work

The aim is to be able to run commands at regular intervals using GCD rather than launchd. Here are details of the code and resulting log entries, casting light on how GCD works.

May 1, 2017 Macs, Technology

App Nap, Battery Endurance, and Grand Central Dispatch

T T Read More

Despite its documentation vanishing, it’s clear that GCD does a lot more than provide an easy way to concurrency for app developers.

April 29, 2017 Macs, Technology

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