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# This file provide two pandoc filters for html and pdf output

module Nanoc::Filters

  class PandocHtml < Nanoc::Filter
    identifier :pandoc_html
    type :text => :text

    def run(content, params = {})
      input_format = case item[:extension]

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This gist and its comments contains some topics for technology section of data weekly

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import Data.List

perm :: (Eq a) => [a] -> Int -> [[a]]
perm _ 0 = [[]]
perm xs r | length xs < r = [[]]
          | otherwise = [x:ys | x <- xs, ys <- perm (delete x xs) (r - 1)]

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%% socket examples from Joe Armstrong's "Programming Erlang, Second Edition".
-module(socket_examples).
-compile(export_all).
-import(lists, [reverse/1]).

string2value(Str) ->
    {ok, Tokens, _} = erl_scan:string(Str ++ "."),
    {ok, Exprs} = erl_parse:parse_exprs(Tokens),
    Bindings = erl_eval:new_bindings(),
    {value, Value, _} = erl_eval:exprs(Exprs, Bindings),

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This is a demo solution for exercise 10.1-1 of the famous CLRS’s Introduction to Algorithms, 3rd Edition book.

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@font-face {
    font-family: 'Linux Libertine'; /* normal */
    src: url('/static/fonts/linux-libertine/LinLibertine_R.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Linux Libertine'; /* italic */
    src: url('/static/fonts/linux-libertine/LinLibertine_RI.woff') format('woff');