Removing PackageKit

Finally I found how to remove the annoying "Command not found" message from the command line on fedora :

yum erase PackageKit

Comparing E-mail Address Validating Regular Expressions

It seems there is NOT a unique way of validating an email address by a simple regexp; http://stackoverflow.com/questions/201323/what-is-the-best-regular-expression-for-validating-email-addresses" From stackoverflow you arrive at different websites, among which there is http://isemail.info/about that provides a php,java and C# package to check the email. Is neat also the trick of adding a + sign to the end of your email to a website, to track if they gave the email to someone else. Nice also the quote: be conservative in what you do, be liberal in what you accept from others. So do you still think parsing an email is easy ?

git svn - How to git-svn clone the last n revisions from a Subversion repository? - Stack Overflow

git svn - How to git-svn clone the last n revisions from a Subversion repository? - Stack Overflow: $ git svn clone --prefix=svn/ -s -r534:HEAD http://some/svn/repo

This is the only way to clone the last N revisions from

Finding synonyms from the command line in linux

Just found Wordnet

A Dictionary-Thesaurus for Linux

To find a synonyms (useful when trying to find a meaningful name for an object ) just type

wn -simsv