Class attribute stylesheet test.

text/plain

x^2 = 1

---------1---------2---------3---------4---------5---------6---------7---------8---------9---------A---------B---------C---------D---------E---------F
123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890

html

x<sup>2</sup> = 1

CSS

:root {
  --small-font-magnification: 0.71;
}

sub,
sup {
  font-size: calc(var(--small-font-magnification) * 1em);
}

C#

Console.WriteLine("あなたの名前は？");
string? name = Console.ReadLine();

if (!String.IsNullOrEmpty(name))
{
    Console.WriteLine($"こんにちは、{name}さん！");
}
else
{
    Console.WriteLine("こんにちは！");
}

MathML

<math>
  <msup>
    <mi>x</mi>
    <mn>2</mn>
  </msup>
  <mo>=</mo>
  <mn>1</mn>
</math>

PowerShell

[String] $excelFilePath = "./example.xlsx";
[MarshalByRefObject] $book = $excel.Workbooks.Open($excelFilePath);

JSON

{
  "link": [
    {
      "rel": "stylesheet",
      "type": "text/css",
      "title": "Robert.KIMATA.Info Style",
      "href": "./style/robert.kimata.info.css"
    }
  ]
}

htaccess / Apatch

# html: text/html
AddType "text/html; charset=utf-8" html

# ErrorDocument
ErrorDocument 404 /error/404.html
ErrorDocument 403 /error/403.html
ErrorDocument 500 /error/500.html

Bash

$ mkdir .ssh
$ chmod 700 .ssh
$ cd .ssh
$ touch authorized_keys
$ chmod 600 authorized_keys
# 今作成した authorized_keys に公開鍵の内容のテキストデータを入れて保存
-bash-4.2$ exit