Useful tips for everyday
How do you exclude a file in rsync? There are two options to specify the files and directories you want to exclude: From a command…
What is the relation between Ohms law and power law? Power and Joule’s Law Power is directly linked to Ohm’s by Joule’s law, which says…
How do group rides work on Zwift? Zwift events and group rides All you and your friends need to do is sign up for the…
How are IR LEDs measured? Visible light is measured in lux, such as 0.05 lux or 0.1 lux. However, infrared light cannot be measured in…
How do you combine PDF files on Mac? Combine two PDFs Open a PDF in Preview. Choose View > Thumbnails to show page thumbnails in…
What does $< mean in TCSH? means “all the arguments from the preceding command”. So if you first do: echo foo bar baz. What does…
What will happen when the circuit is completed? A complete circuit is a complete loop with electricity flowing the way it’s supposed to flow: from…
What happens if I merge two Facebook pages? If your Pages can be merged, your Page followers and check-ins from profiles will be combined. Groups…
What is Fourier transform good for? The Fourier Transform is an important image processing tool which is used to decompose an image into its sine…
How do I edit a source list? Append new line of text to current sources. list file CLI echo “new line of text” | sudo…