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@ahem
ahem / loadimage.js
Created October 18, 2016 12:59
Load and decode images with webworker
/* global createImageBitmap */
function loadImageWithImageTag(src) {
return new Promise((resolve, reject) => {
const img = new Image;
img.crossOrigin = '';
img.src = src;
img.onload = () => { resolve(img); };
img.onerror = () => { reject(img); };
});
@3rogue
3rogue / 163_lyric_download.js
Last active May 3, 2024 15:11
网易云音乐歌词下载(双语喔)
// ==UserScript==
// @name 网易云歌词下载,可以双语了orz
// @namespace http://suselinks.us
// @description 我只是做了合并了两个脚本的工作,可以直接下载了。
// @description 脚本1:https://greasyfork.org/zh-CN/scripts/10548-%E7%BD%91%E6%98%93%E4%BA%91%E9%9F%B3%E4%B9%90%E4%B8%8B%E8%BD%BD
// @description 脚本2:https://gist.github.com/anonymous/a800677393bbb2dd113a 多谢他们
// @include http://music.163.com/*
// @grant none
// @version 1.2
// ==/UserScript==
@v5tech
v5tech / ffmpeg.md
Last active January 16, 2024 09:19
ffmpeg视频合并、格式转换、截图

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"
@joubertnel
joubertnel / gist:870190
Last active July 8, 2023 12:52
HTML5 Canvas - Rendering of Text on high-DPI screens
<html>
<head>
<script src='http://code.jquery.com/jquery-1.5.1.min.js'></script>
</head>
<body>
<h2>Naive canvas</h2>
<canvas id="naive" width="400" height="50"></canvas>
<h2>High-def Canvas</h2>