protrolium

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

soheilhy

Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

wboykinm

<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Leaflet Image</title>

<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox.js/v1.6.2/mapbox.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox.js/v1.6.2/mapbox.css' rel='stylesheet' />

jswanner

ActiveSupport.on_load(:active_record) do
  module Arel::NullsLastPredications
    def nulls_last
      Arel::Nodes::NullsLast.new self
    end
  end

  module Arel::Nodes
    class NullsLast < Unary
      def gsub *args

kosmatov

    $('form').on('change', '.image_preview input[type="file"]', function(e) {

        var files = e.target.files,
            f = files[0],
            reader = new FileReader(),
            t = this
        ;

        reader.onload = (function(file) {

mipmip

#!/usr/bin/env ruby
 # A script that will pretend to resize a number of images
 require 'optparse'
 
 # This hash will hold all of the options
 # parsed from the command-line by
 # OptionParser.
 options = {}
 
 optparse = OptionParser.new do|opts|