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小工具 视频压缩 https://superuser.com/questions/624563/how-to-resize-a-video-to-make-it-smaller-with-ffmpeg ffmpeg -i input.avi -vf scale="iw/1:ih/2" output.avi 下载视频缩略图 youtube-dl --get-thumbnail [https://youtu.be/4LXLwtqO4zY](https://youtu.be/4LXLwtqO4zY) 查看有哪些字幕 youtube-dl --list-subs [https://youtu.be/rwnS_8weey8](https://youtu.be/rwnS_8weey8) 下载视频保存字幕 youtube-dl --write-srt --sub-lang zh-HK [https://youtu.be/rwnS_8weey8](https://youtu.be/rwnS_8weey8) 视频格式转换 # 无损转化mkv到mp4 for i in *.mkv; do ffmpeg -i "$i" -codec copy "${i%.*}.mp4"; done # 快速转换LRV到mov for i in *.LRV; do ffmpeg -i "$i" -codec copy "${i%.*}.mov"; done # 视频转换成gif, 按比例缩放 ffmpeg -i cube.mov -r 5 -vf scale=640:-1 cube.gif 快捷键 M 标记，卡点 Ctrl + shift +R 全部渲染...

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In Vuepress we can use flowchart plugin to draw flowcharts. Here are some examples which found in this plugin’s site. @flowstart st=>start: Start e=>end: End st->e @flowend @flowstart st=>start: Start e=>end: End st->e @flowend @flowstart process=>operation: Operation e=>end: End process->e @flowend @flowstart process=>operation: Operation e=>end: End process->e @flowend @flowstart process=>inputoutput: Inputoutput e=>end: End process->e @flowend @flowstart process=>inputoutput: Inputoutput e=>end: End process->e @flowend @flowstart process=>subroutine: Subroutine e=>end: End process->e @flowend @flowstart process=>subroutine: Subroutine e=>end: End...

[[toc]] Thank to the author of Using Chart.js with Vue.js [1]. Create a vue component. Change to directory of your vuepress project. For me: cd /Users/mac/Github/way2ml Install chart.js by using this command. npm install chart.js --save Create a Draw.vue file with following contents in directory doc/.vuepress/components/. <template> <div id="app"> <canvas id="planet-chart"></canvas> </div> </template> <script> import Chart from 'chart.js'; import planetChartData from './js/chart-data.js'; export default{ mounted() { this.createChart('planet-chart', this.planetChartData); }, data() { return { planetChartData: planetChartData, } }, methods:{ createChart(chartId, chartData) { const ctx = document....