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Is there a way to tell which files I accidentally renamed to *.jpg aren't actually JPEG images?

woensdag 25 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a folder with many thousands of files, which due to an error had their extensions misnamed, all files now have the .jpg extension. In all the .jpg files I would like to find the non-image files. Is there a command-line way to ide…

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Does the 2020 Apple M1 MacBook Pro support 2x daisy chained Thunderbolt Displays?

woensdag 25 november 2020 inAsk Different (Tips-Tricks-Tutorials)

The Apple Silicon based 2020 Apple M1 MacBook Pro supports Thunderbolt version 3 and I'm wondering if anyone has tried connection one to an Apple Thunderbolt Display? Of course you'd need to use one of Apple's Thunderbolt 3 to Thunderbo…

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Mysterious folders that appeared in Documents on upgrade to Big Sur

woensdag 25 november 2020 inAsk Different (Tips-Tricks-Tutorials)

After upgrading to Big Sur today (from macOS 10.14 Mojave) on my 2018 MacBook Air 13", I found a number of unwelcome new folders had appeared in my Documents folder (when viewed with Finder). These folders are: GarageBand Keynote Numbe…

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View big.LITTLE cores on htop or similar utility

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

Is there a utility in which I can see which of the cores are running at which frequencies? Or, even better, that shows whether a core is big or LITTLE? For example, neither htop (on Rosetta 2, installed with Homebrew) nor Activity Monit…

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"Installation requires downloading important content..." error message preventing me installing macOS Big Sur

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

My device is a late 2013 Macbook Pro and just a week ago I had been running macOS Big Sur. I wanted to pass on my device to someone else so I followed the steps in the below links to make sure all of my data was erased and the device is…

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Does the 2020 Apple M1 MacBook Pro support 2x daisy chained Thunderbolt Displays?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

The Apple Silicon based 2020 Apple M1 MacBook Pro supports Thunderbolt version 3 and I'm wondering if anyone has tried connection one to an Apple Thunderbolt Display? Of course you'd need to use one of Apple's Thunderbolt 3 to Thunderbo…

Lees meer

Is there a way to find JPEG files that are not images?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a folder with many thousands of files, which due to an error had their extensions misnamed, all files now have the .jpg extension. In all the .jpg files I would like to find the non-image files. Is there a command-line way to ide…

Lees meer

Does the 2020 Apple M1 MacBook Pro support 2x daisy chained Thunderbolt Displays?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

The Apple Silicon based 2020 Apple M1 MacBook Pro supports Thunderbolt version 3 and I'm wondering if anyone has tried connection one to an Apple Thunderbolt Display? Of course you'd need to use one of Apple's Thunderbolt 3 to Thunderbo…

Lees meer

How do I use zsh to pipe results from one command to another (while in a loop)?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

macOS 10.14.6 zsh 5.8 jq 1.6 I have a situation where I have a bunch of .vital files, which are JSON files in disguise. I want to extract one piece of information from each file, and I have worked out that after installing jq using bre…

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"Installation requires downloading important content..." error message preventing me installing macOS Big Sur

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

My device is a late 2013 Macbook Pro and just a week ago I had been running macOS Big Sur. I wanted to pass on my device to someone else so I followed the steps in the below links to make sure all of my data was erased and the device is…

Lees meer

Is there a way to find JPEG files that are not images?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a folder with many thousands of files, which due to an error had their extensions misnamed, all files now have the .jpg extension. In all the .jpg files I would like to find the non-image files. Is there a command-line way to ide…

Lees meer

How do I achieve piping to a command in a for do loop

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

macOS 10.14.6 zsh 5.8 jq 1.6 I have a situation where I have a bunch of .vital files, which are JSON files in disguise. I want to extract one piece of information from each file, and I have worked out that after installing jq using bre…

Lees meer

Is there a way to find JPEG files that are not images?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a folder with many thousands of files, which due to an error had their extensions misnamed, all files now have the .jpg extension. In all the .jpg files I would like to find the non-image files. Is there a command-line way to ide…

Lees meer

Is there a way to find JPEG files that are not images?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a folder with many thousands of files, which due to an error had their extensions misnamed, all files now have the .jpg extension. In all the .jpg files I would like to find the non-image files. Is there a command-line way to ide…

Lees meer

View big.LITTLE cores on htop or similar utility

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

Is there a utility in which I can see which of the cores are running at which frequencies? Or, even better, that shows whether a core is big or LITTLE? For example, neither htop (on Rosetta 2, installed with Homebrew) nor Activity Monit…

Lees meer

Is there a way to find files that lack a preview?

dinsdag 24 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a folder with many thousands of files, which due to an error had their extensions misnamed. I'd like to find the ones that lack an image preview, as these are non-image files that I'd like to handle different. Is there a command…

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What is the exact equivalent of this netsh wlan add filter Windows command for Mac?

zondag 22 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I want to block all networks from my PC with admin access and make it so that the user cannot reverse the changes. I will use admin access to only white list certain networks that will be visible to the user and all other WiFi networks …

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Apps installed from App Store do not work

zondag 22 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a 15-inch MacBook Pro Mid 2010 running on a fresh install of the last supported macOS version (High Sierra 10.13.6). I know this is really old, but except for the battery (which I removed from the laptop) it is still a great mach…

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What is the exact equivalent of this netsh wlan add filter Windows command for Mac?

zondag 22 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I want to block all networks from my PC with admin access and make it so that the user cannot reverse the changes. I will use admin access to only white list certain networks that will be visible to the user and all other WiFi networks …

Lees meer

Apps installed from App Store do not work

zaterdag 21 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I have a 15-inch MacBook Pro Mid 2010 running on a fresh install of the last supported macOS version (High Sierra 10.13.6). I know this is really old, but except for the battery (which I removed from the laptop) it is still a great mach…

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“SQLDeveloper.app” fails to open after upgrading to Big Sur

zaterdag 21 november 2020 inAsk Different (Tips-Tricks-Tutorials)

I recently upgraded macOS to Big Sur and now I can't open SQLDeveloper.app. I am getting this message: SQLDeveloper.app can’t be opened because the identity of the developer cannot be confirmed With macOS Catalina it was working perfe…

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