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GCD

More fun scripting with Swift and Xcode: An app in a couple of hours

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The making of DispatchView in a couple of hours. Apart from stealing code from Consolation, it was built from scratch in Swift 3.

May 10, 2017 Macs, Technology

Taking a peek into deepest macOS: DispatchView first beta

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Has Time Machine started to make irregular backups? Are apps stalling at odd times? This could be just the tool to find out why.

May 10, 2017 Macs, Technology

Hasn’t macOS changed? How it doesn’t work like it used to

macOS doesn’t work like it used to. With heuristic task dispatching and sensitivity to factors like quality of network service, troubleshooting can get fiendishly difficult.

May 9, 2017 Macs, Technology

Beyond Scripting in Swift: Reading and writing property lists

Implementing file save and file open for Property Lists using Swift 3.

May 6, 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

Two ways to run background tasks: comparing launchd and GCD

Background activities scheduled by third-party software currently use launchd, and run the risk of affecting the user. Would GCD be a better choice of dispatcher?

May 5, 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

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

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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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