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Seapine {Labs}::HTML to Wiki Converter is an online converter of HTML formated code into a Wiki (MediaWiki) sintax. Very convenient if you want to add already formated material.

Yesterday, today, and tomorrow NCSA is running the PSP 2007 meeting. You may find some of my blogging about it here.

I needed to reset the password for a user on a MediaWiki site. Luckily, I run into this post “Reset a user password on MediaWiki - Greg’s Postgres stuff” which helps you to do so. The five-cent summary for a MySQL powered site: UPDATE user SET user_password = md5(CONCAT('123-',md5('newpassword'))) WHERE user_id=123;

This presentation covers a general overview of the goals, origins, reasearch and tools currently available for the DISCUS project. For more information please visit the DISCUS project website. A follow up presentation with further details is also available here.

Sometimes you may need to sample a dataset. You may want to get a uniformly sampled subset out of a datatset stored in a file. The perlscript below does the job for you. if ( $#ARGV!=1 ) { print "Wrong number of arguments\\n\\t". "uniform-sampler.pl <file> <sample_proportion>\\n"; } else { srand(); open(FILE,$ARGV[0]) or die "File $ARGV[0] could not be open"; while($line=<FILE>) { if ( rand()<$ARGV[1] ) { print $line; } } close FILE; } 1;