These instructions assume that you already configured the WebDAV filesystem by following .If you are mounting a WebDAV folder on Linux using the davfs2 FUSE filesystem, you may encounter the following error when trying to write a file to the WebDAV filesystem:cp: cannot create regular file `test.txt': Input/output errorThis is caused by the WebDAV filesystem not supporting file locks. The solution is to disable file locks in the davfs2 configuration file, located...

Being able to parse perl options in a user-friendly manner is not immediately obvious task but it is quite easy thanks to the built-in Perl library Getopt.  Getopt is a very robust function with lots of options -- see the for an exhaustive manual.  This article will serve as a crash-course for quickly using Getopt to obtain both boolean and value-oriented options.  Let's begin by supposing we want to parse the following options in a script like so:my_script_name.pl -foo -bar...

When the audio icon in the upper right-hand of your Mac laptop screen turns grey and you can’t get the audio to work by pressing any keys, chances are your computer's audio is in "optical out" mode. To test this, plug in a pair of headphones into the audio output port. If the icon goes to black and the volume works, then the optical output switch is definitely the problem.First, try removing the headphones or other audio device slowly. There is a chance that this will fix the problem. If that...