Change XP power configuration as non-admin

Since normal users (or non-admins) are “less powerful” compared to admins, they cannot change the XP power configuration.

You can assign “Create value”, “Create Subkey” and “Delete” rights to the following registry key for the users on your computer:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg

Then normal users are able to adjust the power configuration as well.

Fix JPG file timestamp from eXIF metadata

If your JPG file timestamps got screwed up you can recreate them from the JPG EXIF metadata:

c:\folder_with_jpgs\exiv2.exe -T mv *.jpg