So, Hello Hexo, and Goodbay Octopress

why move from octopress to hexo

Speed is the main concern. Octopress can be very slow , while hexo is lightening fast.
Second reason is that i like this pretty theme Yilia. Many thanks to its author litten.

What changed

mathjax

Some math formulas in my old octopress posts could not be rendered properly. So i changed contents of the file /themes/yilia/layout/_partial/mathjax.ejs to following:

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<!-- mathjax config similar to math.stackexchange -->
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
   jax: ["input/TeX", "output/HTML-CSS"],
   tex2jax: {
   inlineMath: [ ['$', '$'] ],
   displayMath: [ ['$$', '$$']],
   processEscapes: true,
   skipTags: ['script', 'noscript', 'style', 'textarea', 'pre', 'code']
  },
  messageStyle: "none"
});
</script>
<script src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML" type="text/javascript"></script>

Characters like _ and * must be manually escaped to get mathjax working properly.

D3, Impress.js, P5.js

Those amazing posts i wrote in octopress which used d3/impress/p5 could not work anymore. Currently i do not have much time to make them work in hexo(you known, final exams are coming!), but i will do this in future.