Changing sub-pixel rendering in Ubuntu 12.04

In older Ubuntu releases one could change the sub-pixel rendering in the system settings, but that option was unfortunately removed in newer releases. Fortunately it is still accessible via gnome settings [1]: Open dconf-editor In the left pane, go to /org/gnome/settings-daemon/plugins/xsettings In the right pane, change the value of the rgba-order key to bgr: or … Continue reading Changing sub-pixel rendering in Ubuntu 12.04 →

Solving the 8 Queens puzzle with bit operations

The 8 queens puzzle is a classic (and quite fun to solve) toy problem: place eight queens on a chess board in such a way that all queens could fully move without being obstructed by any other queen. While without practical applications, it illustrates a number of aspects of designing algorithms and implementing programmes: - … Continue reading Solving the 8 Queens puzzle with bit operations →