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 xmlrpclib
xmlrpclib.ServerProxy('http://www.pythonchallenge.com/pc/phonebook.php').phone('Bert')

lufeihaidao

# 一定要注意，读写文件要强调是二进制
evil =  File.open("evil2.gfx", 'rb').read
outputs = (0..4).map { |i| File.open("out#{i}", "wb") }
evil.each_char.with_index { |c, i| outputs[i%5].write(c) }

lufeihaidao

raw = open('evil2.gfx','rb').read()
for i in range(5):
    open('out%d'%i, 'wb').write(raw[i::5])

lufeihaidao

require "RMagick"
img = Magick::ImageList.new 'cave.jpg'
r, c = img.rows, img.columns
for i in 0..r-2
  for j in 0..c-1
    if (i+j).odd?
      p = img.get_pixels(j, i+1, 1, 1)
      img.store_pixels(j, i, 1, 1, p)
    end
  end

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

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

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

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

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()