There isn’t much documentation about how to define install targets in a .pro file for qmake.
This link does however clearify some aspects of the possibilities:
http://doc.qt.digia.com/4.3/qmake-environment-reference.html#installs
Tags: install target, pro, qmake, qt, qt creator
If you have linker problems you might want to ensure that you actually have the librariess that you are linking into your program on your ld search path. This can be investigated using ldconfig and grep
ldconfig -v
prints out the paths on the ld search path and what libraries is on the path.
It might be a gooe idea to redirect stderr to /dev/null like
ldconfig -v 2>/dev/null
And if you are looking for a specific library then use grep (with -i for “ignore-case”) eg:
ldconfig -v 2>/dev/null | grep -i qtgui
Tags: case insensitive, grep, ldconfig, shared library
Following link seems to explain the process:
http://develnoter.blogspot.dk/2012/05/installing-opencl-in-ubuntu-1204.html
Tags: opencl
Changing the dim timeout and other power options can be done through gsettings
to change dim timeout do:
gsettings set org.gnome.settings-daemon.plugins.power idle-dim-time 600
see also this link
Tags: dim, dim timeout, gsettings
wanting to copy something from command line or maybe a file you can use xclip
eg. copy your public ssh key from id_rsa.pub to clipboard directly from command line:
cat .ssh/id_rsa.pub | xclip -selection clipboard
or
cat .ssh/id_rsa.pub | xclip -selection c
source: http://askubuntu.com/questions/110347/command-line-clipboard-access
You have made changes to a file that you realize was wrong (eg. overrige a file’s content) and you want to revert it to the latest comitted version:
git checkout <filename>
If you have a branch with the same name you need to do:
git checkout — <filename>
source: http://norbauer.com/notebooks/code/notes/git-revert-reset-a-single-file
the program xev seems to enable one to monitor if key presses are captured and how they are translated
To install pyqt sip needs to be installed first.
downloading the tarball from riberbank sip is installed by saying
python configure.py
make
make install / or checkinstall –install=no
dpkq -i sip_xxx
Building pyqt follows the same procedure.
BEWARE: if you get the Error: Unable to create the C++ code.” then check that your current path does not contain spaces.