How to organize delay with mootools

(function(){ loadContent(isLoaded); }).delay(3000);

How to transpose output/file in bash

for i in {1..100}; do echo $i; done | psc -r | sc -W% -

Random words generator in bash (random line reader)

n=$(cat /usr/share/dict/words | wc -l)
sed $(( ($RANDOM * 32768 + $RANDOM) % n ))"q;d" /usr/share/dict/words

How to replace some text in next line that forwards after matched to current line

#!/bin/sh
sed '/ONE/ {
N
s/TWO//
}' < text.txt > text.txt.tmp

SQL for delete duplicates

delete from table where id in (select (select id from table where col82 = x.col82 order by id asc limit 1) from (select count(id) cnt, col82 from table group by col82 order by cnt desc) x where x.cnt > 1);

Mini one page web server by using netcat (nc)

It will be helpful for debugging requests. You need bash and nc.
For some reasons debian and ubuntu have different net cat's version with different syntax:
- debian:
while echo -e "HTTP/1.0 200 OK\nContent-Type: text/html\n\n" | netcat -v -v -q 1 -lp 60000; do echo ""; done

- ubuntu:
while echo -e "HTTP/1.0 200 OK\nContent-Type: text/html\n\n" | netcat -lv 60000; do echo ""; done

To test it use command: netcat localhost 60000

how to set mootools slider for some elements

aaa
aaa content

bbb
bbb content

ccc
ccc content

cccjj
ccc contentvghv

Kill only tomcat, java survive

ps auxww | grep tomcat | grep -v grep | awk '{ print $2 }' | xargs kill -9

How to remove all files older than

find . -type f -mtime +4 | while read line ; do rm $line ; done;

How to normalize permissions 644 for files 755 for directories

for i in `find . -type d`; do chmod 755 $i; done

for i in `find . -type f`; do chmod 644 $i; done

How to url encode string/file in bash cmd

echo "sdf sd fs / df"| perl -MURI::Escape -lne 'print uri_escape($_)'

How to backup directory to remote server with rsync

rsync -r -v -e ssh /www/backup jerry@openbsd.nixcraft.in:~

How to send email from bash with attachment using standard unix utils

mpack -s "Subject" -c application/octet-stream /home/user/file.zip friends@email.com

How to extract some file from rar archive under bash

rar x archive.rar archives/sql/file.ext /tmp

rar vb archive.rar | grep file

Exclude lines that contains some data with grep

cat test.csv | grep -v -E "(@test.com|12345678909)"

flush squid cache for one site

squidclient -h localhost -p 3128 -m PURGE http://www.example.com

Match all letters (also unicode)

([\x0000-\xFFFF]|[^\x00-\xFF])

How to delete all folders with specific size

du -s * | grep 12776 | awk '{split($0,a," "); print a[2]}' > /tmp/a
while read line; do rm -rf $line; done < /tmp/a