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  1. /opt 目录

    /opt 目录一般用于存放第三方的可选的(Optional)软件包,一些系统中的 /usr/local 亦有类似的作用。 In the old days, "/opt" was used by UNIX vendors like AT&T, Sun, DEC and 3rd-party vendors to hold "Option" packages; i.e. packages that you might have paid extra money for. I don't recall seeing "/opt" on Berkeley BSD UNIX. They used " ...

  2. ECharts 如何居中图表

    比如设置图表宽度 80%, 那么再设置左偏移量为 10% 就可以了。没有(或者没有找到)类似 CSS text-align: center 这种设置。 const series = [ { type: 'funnel', left: '10%', width: '80', ... } ]; ...

    • 03 Jan 2020
  3. Angular Quick Manual

    you can't access private members in your templates if you want to use ahead-of-time compilation. (https://stackoverflow.com/a/43177386/2609042) ...

    • 17 Jul 2019
  4. mac 使用多显示器或者 Airplay 时如何指定主显示器

    如图,拖动小白条,小白条所在的显示器即为主显示器。 ...

  5. Vim Cheat Sheet

    This article will be continuously updated. Moving around h j k l move left up down right ONE character. 5 h move 5 characters towards left. gg jump to the first line. 5 G jump to the fifth line. Editing ~ toggle case of ONE character, or N continuous characters with motion. like 4u to change ...

  6. Failed my driving tests

    Failed my driving tests today. ...