404pnf

Set the Mac OS X SOCKS proxy on the command line

a.k.a. what to do when your ISP starts blocking sites :(

Set the SOCKS proxy to local SSH tunnel

networksetup -setsocksfirewallproxy "Ethernet" localhost 8080

To clear the domain and port

404pnf

'use strict'

koa = require 'koa'
app = koa()
note = console.log

time_logger = (next) ->
    start = Date.now()
    yield next
    note "耗时： #{Date.now() - start} 毫秒"

404pnf

## Configure eth0
#
# vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE="eth0"
NM_CONTROLLED="yes"
ONBOOT=yes
HWADDR=A4:BA:DB:37:F1:04
TYPE=Ethernet
BOOTPROTO=static

404pnf

# treating a function as data
putter = ->(message) { puts message }

def deliver_message(message, handler)
  handler.(message)
end

deliver_message("Hello, code as data!", putter)
# => Hello, code as data!

404pnf

# Very (very) naive wordt segmentation algorithm for Chinese
# (or any language with similar characteristics, works at the
# character level.)
class Partitioner
  attr_reader :ngrams

  # +ngrams+ Enumerable list of ngrams
  def initialize(ngrams, lookahead = 6)
    @lookahead = lookahead
    @ngrams = {}

404pnf

class FizzBuzz
  def fizz
    loop do
      ["", "", "Fizz"].each{|s| yield s}
    end
  end

  def buzz
    loop do
      ["", "", "", "", "Buzz"].each{|s| yield s}

404pnf

# pnodes => path
# ppath  => parent

class Zipper
  attr_reader :parent, :path, :node, :lefts, :rights, :at_end

  def initialize(branch, children, make_node, node, lefts = nil, path = nil, parent = nil, rights = nil, changed = false, at_end = false)
    @branch    = branch
    @children  = children
    @make_node = make_node

404pnf

class Tree
  attr_accessor :children, :node_name

  def initialize(name, children={})
    @children = children
    @node_name = name
  end

  def visit_all(&block)
    visit &block

404pnf

# Generate all possible combinations for a 46-point win in the game of
# Goofspiel.
#
cards = [*1..13]

res = [*4..13].map do |n|
  cards.combination(n).
    select { |cards| cards.reduce(:+) == 46 }.
    map(&:sort).
    map(&:reverse)

404pnf

#!/usr/bin/env python
import sys
import urllib2
import simplejson

def get_info(adress):
    print "************************************************"

    api = "http://freegeoip.net/json/" + adress
    try: