Archive for the 'Code' Category

Double space a file using Ruby

Double space a file with Ruby using the command


ruby -pe 'puts' < file.txt

git push

Command to push the current repository in git to a online server


git push

Sort by Line Length

Sort file by line length. Original Article…


cat /etc/passwd | awk '{print length, $0}' | sort -n | awk '{$1=""; print $0 }'

Change shell

Change shell command


chsh

Random Password in PHP

A simple way to create a random password in PHP


$password = substr(md5(time()), 0, rand(4,8));

Finding the Factorial using Recursion

Finding the Factorial using Recursion in javascript.


function factorial(x) {
	if(x <= 1) return 1;
	return x*factorial(x-1);
}
factorial(5);

Download Multiple URLs

Command to download a series of urls with zero padding files…


for ((i=1;i<20;i++))
do wget "http://img55.onemanga.com/mangas/00000004/00000000/Naruto-Pilot-`printf "%02d" $i`.jpg"; done
done

Remove www From URL using .htaccess in Apache

This htaccess code will remove the ‘www’ part from the url. It uses the mod_rewrite module of apache to re-write the url – so make sure that’s installed.


RewriteEngine On 
RewriteCond %{HTTP_HOST} ^www.domain.com$ [NC]
RewriteRule ^(.*)$ http://domain.com/$1 [R=301,L]

Remove a Folder from Git

Remove a given folder from a Git repository…


git rm -r cache/

Remove SVN Info from a Folder

This command removes the SVN data from a folder.


find -name .svn -exec rm -rf {} \;