To run "System Settings" control panel from the command line in Ubuntu, run:
It is possible to launch the window with a specific group selected, like:
/etc/lightdm/lightdm.conf, add these lines to the
display-setup-script=xrandr --output VGA1 --mode 1280x720 --primary
session-setup-script=xrandr --output VGA1 --mode 1280x720 --primary
If the external monitor is not detected, this may cause an error:
The system is running in low-graphics mode
This page contains a comparison between different approaches and file formats for backing up a git repository in a single file.
Summary: The best method is probably
Here are some notes I took while learning about R:
?matrix-- gets help on "matrix"
ls()-- lists variables that exist
rm()-- deallocates a variable
Run script from command line
Common data types
Consider a very long list of
long which we play with in GHC 7.6.3:
largenum = 10000000
as = repeat 'a'
long = take largenum as
A young relative of mine might be interested in computer game programming. I'm not in the game industry, but I drafted a list of things that I thought he might focus on in school.
The hammer principle lets you crowdsource your opinion about gin, martial arts, version control systems, web browsers, databases and programming languages.
To use a specific resolution, or turn on or off certain displays by default when you log in, you can create an
.xprofile file in your home directory which runs
xrandr commands. For example, this
.xprofile will turn on an external VGA monitor and set it to 1280x720 resolution and then turn off the internal LCD monitor on a laptop.
xrandr --output VGA1 --mode 1280x720
xrandr --output LVDS1 --off