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FFmpeg cheat sheet

A list of useful commands for the FFmpeg command line tool.

Download FFmpeg: https://www.ffmpeg.org/download.html

Full documentation: https://www.ffmpeg.org/ffmpeg.html

Basic conversion

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What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Element

Box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
• elem.clientLeft, elem.clientTop, elem.clientWidth, elem.clientHeight
• elem.getClientRects(), elem.getBoundingClientRect()

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function parallel() {
  let args = Array.prototype.slice.call(arguments);
  let length = args.length;
  let funcsComplete = 0;
  let resFunc;
  let results = [];

  function complete(res) {
    funcsComplete += 1;
    results.push(res);

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import urllib2
import httplib2

from sgmllib import SGMLParser

request = urllib2.Request('http://bash.im')
userAgent = 'Mozilla/5.0 (X11; Linux x86_64; rv:26.0) Gecko/20100101 Firefox/26.0'
opener = urllib2.build_opener()
request.add_header('User-agent', userAgent)

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#! /usr/bin/env python

import os

pomidorro = int

def log(pomidorro):
  from datetime import datetime
  try:
    logs = open('Pomidorro_logs','a')

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AliceBlue
AntiqueWhite
Aqua
Aquamarine
Azure
Beige
Bisque
Black
BlanchedAlmond
Blue

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-moz-binding
-moz-border-bottom-colors
-moz-border-left-colors
-moz-border-radius
-moz-border-radius-bottomleft
-moz-border-radius-bottomright
-moz-border-radius-topleft
-moz-border-radius-topright
-moz-border-right-colors
-moz-border-top-colors

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#!/bin/bash
echo -n "How many minutes would you like the timer to run? "
read limit
echo
echo "Timing $limit minutes..."
echo
counter=0
while [ $counter != $limit ]; do
   let "remain = $limit - $counter";
   let "slice = $remain%5"

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#!/bin/bash

echo -n "Hello. This is a Drupal installation script. "
echo -n "Downloading Drupal..."
drush dl drupal -y
mv drupal-* drupal
cd drupal
echo -n "Please type the database login: "
read login
echo -n "... and database password: "

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{
	"color_scheme": "Packages/Tomorrow Color Schemes/Tomorrow-Night-Bright.tmTheme",
	"draw_white_space": "all",
	"ensure_newline_at_eof_on_save": true,
	"file_exclude_patterns":
	[
		"*.pyc",
		"*.pyo",
		"*.exe",
		"*.dll",