Zdrowy Gosciu ZdrowyGosciu

Encoding Video

Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.

brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-opus

A simple Ghostscript command to merge two PDFs in a single file is shown below:

gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=combine.pdf -dBATCH 1.pdf 2.pdf

Install Ghostscript:

Type the command sudo apt-get install ghostscript to download and install the ghostscript package and all of the packages it depends on.

Simple Perl variables are called scalars. Examples of scalar values are

   $number      = 123;
   $string      = "String";
   $file_handle = open "<filename";
   $null_value  = undef;
 $instance = MyClass-&gt;new;

	# Probably excessive, but it makes these instructions simpler
	sudo -i

	# Add postgresql repo and update apt listing
	echo "deb http://apt.postgresql.org/pub/repos/apt/ squeeze-pgdg main" > /etc/apt/sources.list.d/pgdg.
	wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc \| sudo apt-key add -
	apt-get update

	# For some reason this is necessary with PostgreSQL on Ubuntu 12.04
	update-alternatives --remove postmaster.1.gz /usr/share/postgresql/9.1/man/man1/postmaster.1.gz

	/*
	* jQuery Double Tap
	* Developer: Sergey Margaritov (github.com/attenzione)
	* License: MIT
	* Date: 22.10.2013
	* Based on jquery documentation http://learn.jquery.com/events/event-extensions/
	*/

	(function($){

	#!/bin/sh
	available=$(free --mega -tw \| grep "Total:" \| awk '{print $4}')
	ps -ylC httpd --sort:rss \| awk -v avail="$available" '{ s += $8; } END { print "Average Size:", s/(NR-1)/1024, "MB,", NR-1, "Processes, Total usage:", (s/(NR-1)/1024)*(NR-1), "MB, Max Servers:", avail/(s/(NR-1)/1024) }'