Compiled by Peteris Krumins (peter@catonmat.net, @pkrumins on Twitter)
http://www.catonmat.net -- good coders code, great reuse

Latest version of this file is always at:

http://www.catonmat.net/download/perl1line.txt

This file is also available in other languages:

Chinese: https://github.com/vinian/perl1line.txt

Please email me peter@catonmat.net if you wish to translate it.

Perl One-Liners on Github:

https://github.com/pkrumins/perl1line.txt

You can send me pull requests over GitHub! I accept bug fixes,
new one-liners, translations and everything else related.

I have also written "Perl One-Liners Explained" ebook that's based on
this file. It explains all the one-liners here. Get it at:

http://www.catonmat.net/blog/perl-book/

No Starch Press has published "Perl One-Liners" as a real book too:

http://nostarch.com/perloneliners

Unless you are a MySQL performance tuning expert, it can be enormously challenging and somewhat overwhelming to locate and eliminate MySQL bottlenecks. While many DBAs focus on improving the performance of the queries themselves, this post will focus on the highest-impact non-query items: MySQL Server Performance and OS Performance for MySQL.