K-Meleon macro to post to del.icio.us

del.icio.us is a social bookmarks manager. By posting to the service, you can both maintain a collection of bookmarks and shared them with the public at the same time.

K-Meleon requires a special macro to post to del.icio.us because the bookmarklets don't work. This macro may be bound to any keystroke, toolbar button, or menu item. Here, I bind it to F12.

If you use the macro, replace the userid in the del.icio.us URL with your own userid.

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PARI/GP script to find the center of a circle, given 3 points on its circumference

PARI is a high-precision math library and computer algebra system. GP is a scripting interface to that library.

Coordinates should be converted to UTM for use with the script.

To run a script from GP, enter \r filename on the command line. If the script fails to run because some of the symbols already exist, enter kill(circle), for example, before running the script, or start a fresh GP session.

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Perl script to convert an Adblock filter to a PAC filter

The following script takes an Adblock filter from the FilterSet.G archive and converts it to a PAC file. The PAC file is for use with K-Meleon, which does not come with an Adblock filter module.

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