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
Ryan: Does muffin make me taller?
Wesley: Vegetables make you taller. Well, muffin is pretty good too
Ryan: It's pretty good
Wesley: . . . but vegetables have vitamins, if you don't get enough vitamins, you might get sick. Actually, you need a balanced diet: some vegetables, some fruit, some grain, and a little bit of meat.
Ryan: . . . and a little bit of muffin.
It's possible for MySQL to orphan temporary, partial InnoDB tables if the MySQL server crashes during an
ALTER TABLE operation.
When this happened to me, I would get cryptic error messages when trying to create or drop certain tables, or create certain foreign key constraints, like:
mysql> CREATE TABLE foo (. . .) ENGINE=InnoDB DEFAULT CHARACTER SET utf8;
ERROR 1005 (HY000) at line [. . .]: Can't create table 'my_database.#sql-509_5a' (errno: 121)
According to this bug and this bug, it's not possible to use a VPN through
NetworkManager (the GUI for managing networking in Ubuntu) if your wireless or ethernet networking is configured using
/etc/network/interfaces. An example of this situation is if you're using NFS shared folders in Vagrant.
There's a command line program,
vpnc which can be used to log into a cisco-compatible VPN on the command line. Enter the server address for the "gateway address", the group name and group secret for the IPSec ID and IPSec secret, and then the username and password, and it will start a vpnc daemon process in the background that connects you to the vpn.
To install it:
sudo apt-get install vpnc
Gradle documentation on the internet has numerous examples of global variables that are defined at the top level of the file like this:
androidPluginVersion = '0.8.+'
If you get
Failure [INSTALL_FAILED_ALREADY_EXISTS] or
Failure [INSTALL_FAILED_VERSION_DOWNGRADE] when installing an .apk on your Android emulator, you can run:
adb install -r -d path/to/the-debug-unaligned.apk
to force downgrading and replacing of the existing