{% assign bgs = '' | split: '' %} {% for file in site.static_files %}

{% if file.path contains "assets/images/backgrounds" %}
    {% assign thisImage = file.path | split: '&&&' %}
    {% assign bgs = bgs | concat:thisImage %}
{% endif %}

{% endfor %}

{% assign randomBackground = bgs | sample %}

<meta charset=“utf-8”>

{% if page.tags %} <meta name=“keywords” content=“{{ page.tags | join: ', ' }}”> {% endif %}

{% seo %}

{% feed_meta %}

<!– t.co/dKP3o1e –> <meta name=“HandheldFriendly” content=“True”> <meta name=“MobileOptimized” content=“320”> <meta name=“viewport” content=“width=device-width, initial-scale=1.0”>

<link rel=“stylesheet” href=“maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css” integrity=“sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u”

crossorigin="anonymous">

<link rel=“stylesheet” type=“text/css” href=“{{ site.url }}{{ site.baseurl }}/assets/css/font-awesome.min.css” /> <link rel=“stylesheet” type=“text/css” href=“{{ site.url }}{{ site.baseurl }}/assets/css/syntax.css” /> <link rel=“stylesheet” type=“text/css” href=“{{ site.url }}{{ site.baseurl }}/assets/css/main.css” /> <link rel=“stylesheet” href=“use.fontawesome.com/releases/v5.0.13/css/all.css” integrity=“sha384-DNOHZ68U8hZfKXOrtjWvjxusGo9WQnrNx2sqG0tfsghAvtVlRW3tvkXWZh58N9jp” crossorigin=“anonymous”>

{% if page.mathjax %} <!–Load Mathjax–> <script type=“text/javascript” src=“cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML”>> <script>

MathJax.Hub.Config({
    config: ["MMLorHTML.js"],
    extensions: ["tex2jax.js","TeX/AMSmath.js","TeX/AMSsymbols.js"],
    jax: ["input/TeX"],
    tex2jax: {
        inlineMath: [ ['$','$'], ["\\(","\\)"] ],
        displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
        processEscapes: false
    },
    TeX: {
        TagSide: "right",
        TagIndent: ".8em",
        MultLineWidth: "85%",
        equationNumbers: {
           autoNumber: "AMS",
        },
        unicode: {
           fonts: "STIXGeneral,'Arial Unicode MS'" 
        }
    },
    showProcessingMessages: false
});

</script> {% endif %}

<!– Icons –> <!– 16x16 –> <link rel=“shortcut icon” href=“{{ site.url }}{{ site.baseurl }}/images/favicons/favicon.ico”> <!– 32x32 –> <link rel=“shortcut icon” href=“{{ site.url }}{{ site.baseurl }}/images/favicons/favicon.png”> <!– 57x57 (precomposed) for iPhone 3GS, pre-2011 iPod Touch and older Android devices –> <link rel=“apple-touch-icon-precomposed” href=“{{ site.url }}{{ site.baseurl }}/images/favicons/apple-touch-icon-precomposed.png”> <!– 72x72 (precomposed) for 1st generation iPad, iPad 2 and iPad mini –> <link rel=“apple-touch-icon-precomposed” sizes=“72x72” href=“{{ site.url }}{{ site.baseurl }}/images/favicons/apple-touch-icon-72x72-precomposed.png”> <!– 114x114 (precomposed) for iPhone 4, 4S, 5 and post-2011 iPod Touch –> <link rel=“apple-touch-icon-precomposed” sizes=“114x114” href=“{{ site.url }}{{ site.baseurl }}/images/favicons/apple-touch-icon-114x114-precomposed.png”> <!– 144x144 (precomposed) for iPad 3rd and 4th generation –> <link rel=“apple-touch-icon-precomposed” sizes=“144x144” href=“{{ site.url }}{{ site.baseurl }}/images/favicons/apple-touch-icon-144x144-precomposed.png”>