dnf/rpm error on Fedora: package xxx.rpm does not verify: no digest

If you trust the source, skip the digest verification:

> rpm -ivh --nodigest --nofiledigest xxx.rpm

Windows keeps reverting my Wallpaper Settings

Here's Microsoft solution that seems to be working for me. I'll update this post once I reboot to see if it sticks in there.

1. Go to: Settings > Personalization > Background Set Personalize your background to Picture, then click Browse and select your image from a permanent folder like: C:\Wallpapers\MyImage.jpgAvoid using images from Downloads or external drives.
2. Next, go to: Settings > Personalization > ThemesClick Save theme to lock in your current setup. Name it something like “StaticWallpaperFix”.
3. Now disable sync to prevent Windows from reverting your theme: Settings > Accounts > Windows backup > Remember my preferencesTurn Off “Other Windows settings”.
4. Finally, open Run (Win + R), type: %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Themes\. Delete any leftover slideshow.ini or corrupted theme files. This clears out old slideshow triggers.

Source 

 

Change the Default Paper Size in Fedora Linux

 The quick way:

Change directory to /etc/cups/ppd.

There you should find a file for your printer.

Edit it and find the line:

 *DefaultPageSize: A4

The list of supported sizes is below that line. Make sure you set the default to one of those. 

Android: Can not extract resource from com.android.aaptcompiler.ParsedResource@xxxxx

There is probably an unescaped quote (') somewhere in the strings.xml files or somewhere else in the code.

Replace with: (\')

External screen on a Lenovo laptop goes black for a few seconds repeateadly

 That's what Google LLM suggests:

The keyboard shortcut Ctrl + Shift + Win + B (sometimes written as Ctrl + Win + Shift + B) in Windows is used to restart the graphics driver and can resolve issues like a black screen, screen freezing, or graphical glitches. Pressing this combination will cause your screen to flash black and you may hear a brief beep, indicating the driver has been reset without losing your open applications.

I tried multiple times after it occurred. After that it seems to have stabilized. We'll see... 

Changing Theme on Windows 11 Personalization with Multiple Virtual Desktops

If you try to change theme in one virtual desktop and then move to another one with Ctrl-Win Right Arrow and go back, your selection is lost.

Try doing this:

1. Select your theme in the first virtual desktop.
2. Open the Task Bar and click on the Task View.
3. Switch to the second desktop.
4. Open Personalize.
5. The wrong theme is applied.
6. Select another theme then do that again until the right one is applied.
7. Open the Task View again and go back to the previous virtual desktop. Now your selection should stick.

 

AMD CPU GPU Metrics Overlay Randomly Activated

 This annoying overlay suddenly appeared as an overlay in Windows 11.

If you want to disable it, open the AMD software, go to Performance, switch off Enable Metrics Overlay and hope it doesn't randomly activate again by itself.

 Thanks to Chezaus.

Update! I found out the key shortcut that enables it: Ctrl-Shift-o.

Thunderbird: Create New Message: default style is Paragraph instead of Body Text - UPDATE

 Update to the post from May 13, 2016

If you want to disable Paragraph format as the default style and revert to Body Text, go to Settings -> Composition and uncheck "Use Paragraph format instead of Body Text by default".