select only 2-level domains.

select url from d_directories_backlinks where directory_id in (select entry_id from d_directories where lang='ja') and length(split_part(replace(get_host(url),'www.',''),'.',3))=0;

network monitoring tools

http://nethogs.sourceforge.net/

Just found these great tools. the nethogs allows to measure the b/w by process id that is really helpful.

Best Putin's photo

make fonts to be smooth in kubuntu linux

emacs /home/user/.fonts.conf


<?xml version="1.0″ ?>

<!DOCTYPE fontconfig SYSTEM "fonts.dtd">

<fontconfig>

<match target="font">

<edit name="autohint" mode="assign">

<bool>true</bool>

</edit>


</match>

</fontconfig>

View user defined function in postgresql

Once you have written your function you may view its definition in pg_proc. EG

select * from pg_proc where proname='myFunction';

restore mysql database table from Microsoft file

load data infile '/var/www/_system_/htdocs/sites.csv' into table sites fields terminated by ';' ENCLOSED by '"' LINES TERMINATED BY '\r\n' STARTING BY '';

pg_autovacuum usage

this is how i use autovacuum.
pg_autovacuum -v 3 -V 0.001 -a 2 -A 0.01 -U user password -d 3 -s 100

usage: pg_autovacuum
[-D] Daemonize (Detach from tty and run in the background)
[-d] debug (debug level=0,1,2,3; default=0)
[-s] sleep base value (default=300)
[-S] sleep scaling factor (default=2.000000)
[-v] vacuum base threshold (default=1000)
[-V] vacuum scaling factor (default=2.000000)
[-a] analyze base threshold (default=500)
[-A] analyze scaling factor (default=1.000000)
[-L] logfile (default=none)
[-c] vacuum_cost_delay (default=none)
[-C] vacuum_cost_page_hit (default=none)
[-m] vacuum_cost_page_miss (default=none)
[-n] vacuum_cost_page_dirty (default=none)
[-l] vacuum_cost_limit (default=none)
[-U] username (libpq default)
[-P] password (libpq default)
[-H] host (libpq default)
[-p] port (libpq default)