Jaziel Lopez jazlopez

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

Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:

Directory structure for JavaScript/Node Projects

While the following structure is not an absolute requirement or enforced by the tools, it is a recommendation based on what the JavaScript and in particular Node community at large have been following by convention.

Beyond a suggested structure, no tooling recommendations, or sub-module structure is outlined here.

Directories

lib/ is intended for code that can run as-is
src/ is intended for code that needs to be manipulated before it can be used

	#!/usr/bin/env python
	# Reflects the requests from HTTP methods GET, POST, PUT, and DELETE
	# Written by Nathan Hamiel (2010)

	from http.server import HTTPServer, BaseHTTPRequestHandler
	from optparse import OptionParser

	class RequestHandler(BaseHTTPRequestHandler):

	def do_GET(self):

	from subprocess import Popen, PIPE
	from docx import opendocx, getdocumenttext

	#http://stackoverflow.com/questions/5725278/python-help-using-pdfminer-as-a-library
	from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
	from pdfminer.converter import TextConverter
	from pdfminer.layout import LAParams
	from pdfminer.pdfpage import PDFPage
	from cStringIO import StringIO

	#!/bin/sh

	# Writes an APR1-format password hash to the provided <htpasswd-file> for a provided <username>
	# This is useful where an alternative web server (e.g. nginx) supports APR1 but no `htpasswd` is installed.
	# The APR1 format provides signifcantly stronger password validation, and is described here:
	# http://httpd.apache.org/docs/current/misc/password_encryptions.html

	help (){
	cat <<EOF
	Usage: $0 <htpasswd-file> <username>

	# config to don't allow the browser to render the page inside an frame or iframe
	# and avoid clickjacking http://en.wikipedia.org/wiki/Clickjacking
	# if you need to allow [i]frames, you can use SAMEORIGIN or even set an uri with ALLOW-FROM uri
	# https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options
	add_header X-Frame-Options SAMEORIGIN;

	# when serving user-supplied content, include a X-Content-Type-Options: nosniff header along with the Content-Type: header,
	# to disable content-type sniffing on some browsers.
	# https://www.owasp.org/index.php/List_of_useful_HTTP_headers
	# currently suppoorted in IE > 8 http://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspx