lufeihaidao

git clone git://github.com/imathis/octopress.git octopress
cd octopress    # If you use RVM, You'll be asked if you trust the .rvmrc file (say yes).
ruby --version  # Should report Ruby 1.9.3

lufeihaidao

 ~~~php
    protected static function resolve_name_conflicts($new_parent, $items, $params)
    {
        $resolve_conflicts_strategy = isset($params['resolve_conflicts_strategy']) ? $params['resolve_conflicts_strategy'] : null;
        // there are speical logic for folder creation
        $new_items_to_check = isset($params['new_items_to_check']) ? $params['new_items_to_check']: false;
        // what does it mean?
        $ignore_self_conflicts = isset($params['ignore_self_conflicts']) ? $params['ignore_self_conflicts']: true;
        if (!in_array($resolve_conflicts_strategy, array('rename_if_conflicts', 'overwrite_if_conflicts', 'throw_exception')))
        {

lufeihaidao

import re, Image
im = Image.open("oxygen.png")
row = [im.getpixel((x, 47)) for x in range(0, im.size[0], 7)]
chrs = [chr(r) for r, g, b, a in row if r == g == b]
s = ''.join(chrs)
print ''.join(map(chr, map(int, re.findall(r'\d+',s))))

lufeihaidao

def f n
  n == 0 ? "1":
    f(n-1).scan(/(\d)(\1*)/).collect{|i| "#{i[1].size+1}#{i[0]}"}.join
end
puts f(30).size

lufeihaidao

require "RMagick"
img = Magick::ImageList.new 'good.jpg'
gc = Magick::Draw.new
gc.fill('#CC6600')
gc.polygon(*first_list)
gc.fill('white')
gc.polygon(*second_list)
gc.draw(img)
img.display

lufeihaidao

require 'bzip2'
un = "同上，需要用双引号括起来"
pw = "同上，需要用双引号括起来"
puts Bzip2.uncompress(un), Bzip2.uncompress(pw)

lufeihaidao

from PIL import Image
img = Image.open("cave.jpg")
c,r = img.size
pix = img.load()
for j in range(r-1):
    for i in range(c):
        if (i+j)%2:
            pix[i,j] = pix[i,j+1]
img.show()
# 注意也可以用 img.getpixel 和 img.putpixel 来操作像素。

lufeihaidao

import bz2
un = "un 的字符串内容，表示 user name"
pw = "pw 的字符串内容，表示 password"
print bz2.decompress(un), bz2.decompress(pw)

lufeihaidao

from re import findall
def f(n):
    return "1" if n == 0 else ''.join(
        ["%d%s"%(len(j)+1, i) for i,j in findall(r'(\d)(\1*)', f(n-1))])
print len(f(30))

lufeihaidao

from PIL import Image, ImageDraw
img = Image.new("RGB",(640,480), 'white')
draw = ImageDraw.Draw(img)
draw.polygon(first_list, 'black')
draw.polygon(second_list, 'grey')
img.show()