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Welcome to the Power Users community on Codidact!

Power Users is a Q&A site for questions about the usage of computer software and hardware. We are still a small site and would like to grow, so please consider joining our community. We are looking forward to your questions and answers; they are the building blocks of a repository of knowledge we are building together.

Posts by samcarter‭

76 posts
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Q&A How do I temporarily disconnect a Mac from the network without touching cables?

If your goal is to only disconnect certain apps, you can use tools like https://objective-see.com/products/lulu.html (free and open source) TCPBlock (free, for older MacOS) to block ...

posted 3y ago by samcarter‭  ·  edited 3y ago by samcarter‭

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Q&A Disable automatic tlmgr updates in Quarto

Let's assume one has a Quarto document which does not compile because of an error in the latex code, e.g. here a simply typo in a macro name: --- format: pdf --- test\newlin test Quarto...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 1y ago by samcarter‭

Question Quarto
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Q&A Circulate through spaces on macOS 11

Back in the days of OSX 10.6 Snow Leopard, one could circulate from the last space to the first space, e.g. if one was on the last space and used the keyboard shortcut to go to the next space, it w...

2 answers  ·  posted 2y ago by samcarter‭  ·  last activity 2y ago by samcarter‭

Question macos11
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Q&A Programmatically changing the keyboard illumination in small steps

Instead of trying to build my own touch bar, I'm now using Karabiner Elements to remap the existing keys on the touchbar to the desired behaviour. The following configuration will remap the screen...

posted 2y ago by samcarter‭

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Q&A Adding option to pandoc call from RStudio

If ones uses RStudio to convert a rmarkdown file to pdf, RStudio will call pandoc with arguments like this: /opt/homebrew/bin/pandoc +RTS -K512m -RTS Untitled.knit.md --to beamer --from markdown+a...

2 answers  ·  posted 2y ago by samcarter‭  ·  last activity 2y ago by Canina‭

Question RStudio pandoc
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Q&A Setting a cookie with a userscript

@Canina had the brilliant idea to make my userscript reload the page in case the cookie did not exist previously. Using this idea, my userscript now works like this: Greasemonkey version // ==Us...

posted 2y ago by samcarter‭  ·  edited 2y ago by samcarter‭

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Q&A How to add vertical line in the middle of two marks on image

If you have access to the source of the image, fix the code instead of messing with the image. This will be much more accurate and result in a higher quality result. You could add the lines via ...

posted 2y ago by samcarter‭  ·  edited 2y ago by samcarter‭

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Q&A Maximise instead of full screen window

There is actually a little app to change the behaviour of the green button called "Right Zoom": https://blazingtools.com/right_zoom_mac.html Caveat: The button will still go into full screen for ...

posted 3y ago by samcarter‭  ·  edited 3y ago by samcarter‭

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Q&A Remapping backspace with Karabiner Elements

I'm using Karabiner-Elements to remap some keys. I would like remap backspace to forward delete option + backspace to backward delete To do this I tried to write the following rule ...

1 answer  ·  posted 3y ago by samcarter‭  ·  edited 3y ago by Canina‭

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Q&A Avoid font colour change in macOS 11 menu bar

In macOS 11 the font colour of the menu bar automatically adapts to the darkness of the background image. On a light background it will show the text in black and on a dark background it will show ...

2 answers  ·  posted 3y ago by samcarter‭  ·  last activity 3y ago by samcarter‭

Question macos11 menubar color
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Q&A Audio book player for macOS 11.5

I'm looking for an application to play my mp3 audio books on macOS 11.5. On an older system, I was using ecoute, but this does not seem to work under macOS 11.5. Required features: resume the...

1 answer  ·  posted 3y ago by samcarter‭  ·  last activity 3y ago by samcarter‭

Question macos11 audiobook
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Q&A Setting zoom level in Safari web apps

This problem seems to have been solved in Safari 18.0 (19619.1.26.111.10)

posted 3mo ago by samcarter‭

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Q&A Centre tick labels in mermaid/gantt diagram

As a quick and very dirty hack, one could stick some invisible characters, like em-spaces (U+2003), in front of the date. ```mermaid gantt tickInterval 1day axisFormat                        ...

posted 11mo ago by samcarter‭  ·  edited 11mo ago by samcarter‭

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Q&A Disable input sources pop-up in macOS 14

I finally found a solution thanks to @bogdanw at https://stackoverflow.com/a/77256214/2777074 The idea is to create a file called UIKit.plist with the content: <?xml version="1.0" encoding="UT...

posted 1y ago by samcarter‭  ·  edited 1y ago by samcarter‭

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Q&A Change position of subtitles in yt-dlp

If one uses the --exec argument, one can access the name of the .mp4 file via %(filepath)s and %(requested_subtitles.en.filepath)s will give the filename of the subtitles: yt-dlp -f 160 --write-su...

posted 23d ago by samcarter‭

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Q&A Setting zoom level in Safari web apps

One of the new features of macOS 14 Sonoma are Safari web apps which allow to treat webpages like an application. Is there a way to set the zoom level persistently in such apps? I can zoom in and ...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 3mo ago by samcarter‭

Question macos14 Safari
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Q&A Converting pdf to png with sips on macOS 13.3.1 Ventura

The problem has been fixed in macOS 14.0. After upgrading to macOS Sonoma, one can again use sips to convert pdfs to pngs

posted 1y ago by samcarter‭

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Q&A Launching hidden application at login under macOS 13 Ventura

Another possible approach is to create a helper app which opens an app without opening a window. I used platypus to create a simple app which will execute a shell script. The settings used for th...

posted 1y ago by samcarter‭  ·  edited 1y ago by samcarter‭

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Q&A Launching hidden application at login under macOS 13 Ventura

Based on the post https://droidwin.com/how-to-hide-an-app-at-launch-on-mac-ventura/ an alternative approach could be to use a launch agent. To do this, create a file vienna.LaunchAtLogin.plist (re...

posted 1y ago by samcarter‭

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Q&A Install Quarto extensions globally

This is probably not a lasting solution, but one can manually copy the individual folders of the extensions to <path to your quarto installation>/share/extensions/quarto/ Documents seem t...

posted 1y ago by samcarter‭  ·  edited 1y ago by samcarter‭

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Q&A Disable automatic tlmgr updates in Quarto

I didn't yet find a clean solution, but as a dirty hack one can edit the quarto.js file and change the line [kLatexAutoInstall]: true, to [kLatexAutoInstall]: false, (this obviously won't s...

posted 1y ago by samcarter‭  ·  edited 1y ago by samcarter‭

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Q&A Circulate through spaces on macOS 11

Another approach is to use Karabiner-Elements. As a first step, I created to executable shell scripts, which will switch to the previous/next space using the handy tool SpaceInfo Space_prev: #!/...

posted 2y ago by samcarter‭  ·  edited 2y ago by samcarter‭

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Q&A Circulate through spaces on macOS 11

One possibility is to use Hammerspoon with the following configuration: hs.hotkey.bind({ "cmd" }, "Right", function() local NextSpace = 1 for k, v in pairs(hs.spaces.allSpaces()[hs.scree...

posted 2y ago by samcarter‭  ·  edited 2y ago by samcarter‭

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Q&A Install Quarto extensions globally

Is there a way to install Quarto extensions globally? If I follow the installation instruction from https://quarto.org/docs/extensions/managing.html and e.g. use quarto add quarto-ext/fontawesome...

1 answer  ·  posted 2y ago by samcarter‭  ·  last activity 1y ago by samcarter‭

Question Quarto
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Q&A Audio book player for macOS 11.5

After a lot of trial and error, I finally found cog which wonderfully satisfies my wish list. There are two other players which came close: https://iina.io/ (needs to keep a window open) ...

posted 3y ago by samcarter‭

Answer