hustKiwi

body {
	font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
	background: white;
	color: #333;
	font-size: 16px;
	line-height: 1.2;
}

h1 {
	text-align: center;

hustKiwi

.nav { display: flex; font-family: Helvetica; }
 h2 {
  color: white; width: 130px; box-sizing: border-box;
  position: absolute; margin: 0; font-size: 22px;
 }
 a {
  position: relative; width: 240px; height: 240px;
  text-decoration: none; background-size: 240px !important;
 }
 .current {

hustKiwi

// AttributedString class from https://github.com/cohitre/attributedString.js
// Modifications made to support html tags & remove span wrapper from unstyled blocks
var AttributedString = (function () {
  var aString
    , StringRange
    , RangesList
    , HtmlSerializer
    , plainStringSerializer
    , _ = {}
    , entityMap = {

hustKiwi

使用ffmpeg合并MP4文件

ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"