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Ubuntu 11.10 final is here!
But some of you might be having troubles to install the nonfree google chrome web browser.
To install it, just follow the following steps:
1. Download the deb package on http://www.google.com/chrome
2. Open a command prompt and try to install it: sudo dpkg -i google-chrome-stable_current_amd64.deb
You will have the following normal errors:
Selecting previously deselected package google-chrome-stable.
(Reading database ... 127754 files and directories currently installed.)
Unpacking google-chrome-stable (from .../google-chrome-stable_current_amd64.deb) ...
dpkg: dependency problems prevent configuration of google-chrome-stable:
google-chrome-stable depends on libnspr4-0d (>= 4.7.3-0ubuntu1~); however:
Package libnspr4-0d is not installed.
google-chrome-stable depends on libxss1; however:
Package libxss1 is not installed.
google-chrome-stable depends on libcurl3; however:
Package libcurl3 is not installed.
dpkg: error processing google-chrome-stable (--install):
dependency problems - leaving unconfigured
Processing triggers for gnome-menus ...
Processing triggers for desktop-file-utils ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for man-db ...
Errors were encountered while processing:
google-chrome-stable
3. Now just type the following command: sudo apt-get install -f
And Google Chrome will install!
Python Qt4 recipe: QSingleApplication (PySide)
Thanks to Renato Filho who helped me in this thread on the Qt Forums, I made a simple QSingleApplication class for PySide that allows you to be sure your program will be started only once.
In addition to start the application only once, we can send the arguments of the later calls of your program to the first (and only remaining) instance.
The following video summarizes the features:
Python VS Ruby through a concrete GUI example (Qt)
In a previous post, I was justifying my choice to start learning Ruby instead of Python, and in another previous post I was praising QtRuby.
Now it's time to challenge QtRuby (and Ruby in general) with PyQt/PySide (and Python in general).
Due to some reasons, I had to write the same program in both languages.
Thanks to that, I better understood myself the pros and cons of both languages and will try to share my thoughts with you.
A very brief summary would be: Ruby is the winner for programming pleasure and private applications while Python is the winner when it gets serious.
For more information, read the whole post!
