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{-# OPTIONS_GHC -O2 -optc-O2 #-}
import Control.Monad
import Text.ParserCombinators.Parsec
import Control.Monad.State
import Data.Array.IO
import Data.Char
import Debug.Trace

data Stmt = INCPNT | DECPNT | INC | DEC | OUTPUT | READ
          | Loop [Stmt] 

scturtle

ref: http://www'iwriteiam'nl/Ha_bf_intro'html
>++++++++++[<++++++++++>-]           (#0=100)
>+++++++[<+++++++>-]+++++++++++<--<  (#1=47 #2=11)
[  (loop #0)

	>+ (inc #1)
	>- (dec #2)

	(test if #2 is 0 using #3 #4)
	[>+>+<<-] >[<+>-]  (move #2 to #3 #4; move #3 to #2)

scturtle

Number Theory - Mathematics for Computer Science

Divisibility

整除的性质:

Lemma 23. The following statements about divisibility hold.

1. If $a\mid b$, then $a\mid bc$ for all $c$.
2. If $a\mid b$ and $b\mid c$, then $a\mid c$.

scturtle

#!/bin/bash
MAC="00:"`echo $RANDOM | md5 | sed 's/\(..\)/&:/g' | cut -c1-14`
MAC2="00:"`echo $RANDOM | md5 | sed 's/\(..\)/&:/g' | cut -c1-20`
echo $MAC
ifconfig en0 ether $MAC
ifconfig en1 ether $MAC
ifconfig fw0 lladdr $MAC2

scturtle

# -*- coding: utf-8 -*-
import urllib, urllib2
import random
import re
from xml.dom import minidom

# Levenshtein Distance 
def lev(first, second):
    """Find the Levenshtein distance between two strings."""
    if len(first) > len(second):

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{"\u8000": "5069", "\u6d89": "3195", "\u8c08": "6151", "\u4f0a": "0122", "\u4e9f": "0069", "\u6d1e": "3159", "\u7322": "3724", "\u60ab": "1952", "\uff2a": "9883", "\u6cb3": "3109", "\u4e34": "5259", "\u72b7": "3755", "\u5438": "0705", "\u5a3c": "1233", "\u7ebf": "4848", "\u53cd": "0646", "\u724c": "3654", "\u96cf": "7176", "\u59d1": "1196", "\u7850": "8943", "\u9cd3": "5016", "\u5362": "4151", "\u77e5": "4249", "\u9664": "7110", "\u5f6a": "1753", "\u95f9": "7593", "\u5eff": "9824", "\u8986": "6010", "\u8f8a": "6547", "\u5e94": "2019", "\u881b": "5864", "\u8e1f": "6442", "\u5121": "8079", "\u76a4": "4115", "\u5d29": "1514", "\u82ac": "5358", "\u51b6": "0396", "\u9abc": "7547", "\u8d49": "6336", "\u6e5f": "3207", "\u8dde": "6491", "\u56e4": "0937", "\u5ce8": "1494", "\u62ec": "2161", "\u68f0": "2774", "\u8c73": "6279", "\u6ef4": "3336", "\u987b": "7312", "\u5b7d": "5642", "\u9e7f": "7773", "\u7f2a": "4924", "\u6c89": "3089", "\u4e0a": "0006", "\u728d": "3682", "\u540e": "0683", "\u7891": "4301", "\u9910": "7404

tomtung

#!/usr/bin/env scalas
!#

/***
  libraryDependencies  ++= Seq(
    "org.apache.commons" % "commons-lang3" % "3.1",
    "com.github.scopt" %% "scopt" % "2.1.0"
  )

  resolvers += "sonatype-public" at "https://oss.sonatype.org/content/groups/public"

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#!/usr/bin/env python
# coding: utf-8
import json
import urllib2
from os import system, popen

# generate speech audio file with 'say' in osx and ffmpeg
words = 'Hello world.'
system('say "{}" -o say.aiff'.format(words))
system('ffmpeg -i say.aiff say.flac -loglevel quiet -y')

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# coding: utf-8
# ref: https://github.com/FanfouAPI/FanFouAPIDoc/wiki/Oauth
#      http://open.weibo.com/wiki/OAuth
import os
import json
import random
import requests
import webbrowser
from time import time
from urllib import quote_plus

scturtle

# coding: utf-8
from __future__ import unicode_literals
import re
import sys
import requests
import HTMLParser

cookie_t = ''
uid      = ''
filename = ''