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View udp_test.erl
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%% udp test client and server, from joe armstrong's "programming erlang, second | |
%% edition" | |
-module(udp_test). | |
-export([start_server/0, client/1]). | |
start_server() -> | |
spawn(fun() -> server(4000) end). | |
%% the server | |
server(port) -> |
View socket_examples.erl
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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), |
View binary_search_with_simple_unittest.py
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import unittest | |
def binary_search(array, t): | |
l = 0 | |
h = len(array) - 1 | |
while (l <= h): | |
m = (l + h) // 2 | |
if (array[m] == t): | |
return m |
View powerset-in-haskell-and-python.org
Here’re two powerset function implemented in Python and Haskell.
import copy
def powerset(s):
if s == []:
return [[]]
elif len(s) == 1:
return [[], s]
View draw_array_stack_by_tikz.org
This is a demo solution for exercise 10.1-1 of the famous CLRS’s Introduction to Algorithms, 3rd Edition book.
View perm.hs
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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)] |
View org-mode-babel-demo-with-python-and-latex.org
import matplotlib.pyplot as plt
import numpy as np
L = 6
x = np.linspace(0, L)
ncolors = len(plt.rcParams['axes.color_cycle'])
shift = np.linspace(0, L, ncolors, endpoint=False)
for s in shift:
plt.plot(x, np.sin(x + s), 'o-')
View binary_search_demo.exs
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defmodule Chop do | |
def guess(final, range) do | |
low..high = range | |
middle = div(low + high, 2) | |
_guess_helper(final, low, high, middle) | |
end | |
defp _guess_helper(final, _low, _high, middle) when final === middle do | |
middle | |
end |
View linux-libertine-webfont.css
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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'); |
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