---
layout: default
---
<div class="post">

  <header class="post-header">
    <h1>{{ page.title }}</h1>
  </header>

  <article class="post-content">
  {{ content }}
  </article>

  <!-- disqus comments -->
 {% if page.comments %}
 <div id="disqus_thread"></div>
  <script>
  /**
  *  RECOMMENDED CONFIGURATION VARIABLES: EDIT AND UNCOMMENT THE SECTION BELOW TO INSERT DYNAMIC VALUES FROM YOUR PLATFORM OR CMS.
  *  LEARN WHY DEFINING THESE VARIABLES IS IMPORTANT: https://disqus.com/admin/universalcode/#configuration-variables*/
  var disqus_config = function () {
    this.page.url = "{{site.url}}{{page.url}}";  // Replace PAGE_URL with your page's canonical URL variable
    this.page.identifier = "{{page.url}}"; // Replace PAGE_IDENTIFIER with your page's unique identifier variable
  };
  (function() { // DON'T EDIT BELOW THIS LINE
  var d = document, s = d.createElement('script');
  s.src = 'https://karpathyblog.disqus.com/embed.js';
  s.setAttribute('data-timestamp', +new Date());
  (d.head || d.body).appendChild(s);
  })();
  </script>
  <noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
  {% endif %}
  
</div>

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