str(800).count('0')
# 2

xrange(1,1001)
# [1, 2, ... , 999, 1000]

[str(x).count('0') for x in xrange(1,1001)]
# [0, 0, ... , 0, 3]

sum([str(x).count('0') for x in xrange(1,1001)])

str(range(1,1001)).count('0')

from time import strftime
print strftime("%Y-%m-%d %H:%M:%S")
# 2010-01-20 22:34:22

from datetime import datetime
now = datetime.datetime.now()
print now.strftime("%Y-%m-%d %H:%M:%S")
# 2010-01-20 22:12:31

import urllib
 
# abrimos o documento referenciado pela url
url = 'http://www21.bb.com.br/portalbb/rentabilidade/index.jsp?tipo=01'
documento = urllib.urlopen(url)
 
# fundo de investimento que me interessa
fundo = 'small caps'
 
# estados
INICIO = 0
ACHOU_FUNDO = 1
FIM = 2
 
# estado inicial
estado = INICIO
 
# vamos analisar linha a linha do fluxo do documento
for linha in documento:
	# simplificamos, tudo pra minusculas
	linha = linha.lower()
 
	# no inicio, procura uma linha que tenha o fundo
	if estado == INICIO and linha.find(fundo) != -1:
		estado = ACHOU_FUNDO
 
	# depois, procuramos o proximo inicio de tabela html.
	# dessa linha, pegamos o que vem depois do primeiro >
	# e entao o que vem antes do primeiro <
	# e trocamos a virgula por ponto.
	elif estado == ACHOU_FUNDO and linha.find('>')[1].split('<')[0].replace(',','.')
		estado = FIM

import urllib
 
# abrimos o documento referenciado pela url
url = 'http://www21.bb.com.br/portalbb/rentabilidade/index.jsp?tipo=01'
documento = urllib.urlopen(url)
 
# fundo de investimento que me interessa
fundo = 'small caps'
 
# estados
INICIO = 0
ACHOU_FUNDO = 1
FIM = 2
 
# estado inicial
estado = INICIO
coluna = 0
 
# vamos analisar linha a linha do fluxo do documento
for linha in documento:
	# simplificamos, tudo pra minusculas
	linha = linha.lower()
 
	# no inicio, procura uma linha que tenha o fundo
	if estado == INICIO and linha.find(fundo) != -1:
		estado = ACHOU_FUNDO
 
	# para cada coluna, conta a coluna, mas nao faz nada
	elif estado == ACHOU_FUNDO and linha.find('<'):
		coluna += 1
 
	# quando chegar na coluna onze, retira o conteudo entre os sinais &gt; e &lt;
	# e troca virgula por ponto, transforma em float e joga na tela
	if estado==ACHOU_FUNDO and coluna == 11:
		print float(linha.split('>')[1].split('<')[0].replace(',','.'))
		estado = FIM

<!DOCTYPE map SYSTEM "http://mapeditor.org/dtd/1.0/map.dtd">

import xml.parsers.expat
 
# 3 handler functions
def start_element(name, attrs):
    print 'Start element:', name, attrs
def end_element(name):
    print 'End element:', name
def char_data(data):
    print 'Character data:', repr(data)
 
p = xml.parsers.expat.ParserCreate()
 
p.StartElementHandler = start_element
p.EndElementHandler = end_element
p.CharacterDataHandler = char_data
 
p.Parse("""<?xml version="1.0"?>
<parent id="top"><child1 name="paul">Text goes here</child1>
<child2 name="fred">More text</child2>
</parent>""", 1)

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE map SYSTEM "http://mapeditor.org/dtd/1.0/map.dtd">
<map version="1.0" orientation="orthogonal" width="10" height="10" tilewidth="32" tileheight="32">
 <properties>
  <property name="Author" value="Silveira Neto"/>
  <property name="Year" value="2009"/>
 </properties>
 <tileset name="mytiles" firstgid="1" tilewidth="32" tileheight="32">
  <image source="free_tileset_version_10.png"/>
 </tileset>
 <layer name="grass" width="10" height="10">
  <data>
   <tile gid="261"/>
   <tile gid="260"/>
    ...
   <tile gid="160"/>
   <tile gid="0"/>
  </data>
 </layer>
</map>

# Author: Silveira Neto
# License: GPLv3
import sys, pygame
from pygame.locals import *
from pygame import Rect
from xml import sax
 
class Tileset:
    def __init__(self, file, tile_width, tile_height):
        image = pygame.image.load(file).convert_alpha()
        if not image:
            print "Error creating new Tileset: file %s not found" % file
        self.tile_width = tile_width
        self.tile_height = tile_height
        self.tiles = []
        for line in xrange(image.get_height()/self.tile_height):
            for column in xrange(image.get_width()/self.tile_width):
                pos = Rect(
                        column*self.tile_width,
                        line*self.tile_height,
                        self.tile_width,
                        self.tile_height )
                self.tiles.append(image.subsurface(pos))
 
    def get_tile(self, gid):
        return self.tiles[gid]
 
class TMXHandler(sax.ContentHandler):
    def __init__(self):
        self.width = 0
        self.height = 0
        self.tile_width = 0
        self.tile_height = 0
        self.columns = 0
        self.lines  = 0
        self.properties = {}
        self.image = None
        self.tileset = None
 
    def startElement(self, name, attrs):
        # get most general map informations and create a surface
        if name == 'map':
            self.columns = int(attrs.get('width', None))
            self.lines  = int(attrs.get('height', None))
            self.tile_width = int(attrs.get('tilewidth', None))
            self.tile_height = int(attrs.get('tileheight', None))
            self.width = self.columns * self.tile_width
            self.height = self.lines * self.tile_height
            self.image = pygame.Surface([self.width, self.height]).convert()
        # create a tileset
        elif name=="image":
            source = attrs.get('source', None)
            self.tileset = Tileset(source, self.tile_width, self.tile_height)
        # store additional properties.
        elif name == 'property':
            self.properties[attrs.get('name', None)] = attrs.get('value', None)
        # starting counting
        elif name == 'layer':
            self.line = 0
            self.column = 0
        # get information of each tile and put on the surface using the tileset
        elif name == 'tile':
            gid = int(attrs.get('gid', None)) - 1
            if gid <0: gid = 0
            tile = self.tileset.get_tile(gid)
            pos = (self.column*self.tile_width, self.line*self.tile_height)
            self.image.blit(tile, pos)
 
            self.column += 1
            if(self.column>=self.columns):
                self.column = 0
                self.line += 1
 
    # just for debugging
    def endDocument(self):
        print self.width, self.height, self.tile_width, self.tile_height
        print self.properties
        print self.image
 
def main():
    if(len(sys.argv)!=2):
        print 'Usage:\n\t{0} filename'.format(sys.argv[0])
        sys.exit(2)
    pygame.init()
    screen = pygame.display.set_mode((800, 480))
    parser = sax.make_parser()
    tmxhandler = TMXHandler()
    parser.setContentHandler(tmxhandler)
    parser.parse(sys.argv[1])
    while 1:
        for event in pygame.event.get():
            if event.type == QUIT:
                return
            elif event.type == KEYDOWN and event.key == K_ESCAPE:
                return
        screen.fill((255,255,255))
        screen.blit(tmxhandler.image, (0,0))
        pygame.display.flip()
        pygame.time.delay(1000/60)
 
if __name__ == "__main__": main()

import pygame, random
from pygame.locals import *
 
class Char(pygame.sprite.Sprite):
	x,y = (100,0)
	def __init__(self, img, frames=1, modes=1, w=32, h=32, fps=3):
		pygame.sprite.Sprite.__init__(self)
		original_width, original_height = img.get_size()
		self._w = w
		self._h = h
		self._framelist = []
		for i in xrange(int(original_width/w)):
			self._framelist.append(img.subsurface((i*w,0,w,h)))
		self.image = self._framelist[0]
		self._start = pygame.time.get_ticks()
		self._delay = 1000 / fps
		self._last_update = 0
		self._frame = 0
		self.update(pygame.time.get_ticks(), 100, 100)
 
	def set_pos(self, x, y):
		self.x = x
		self.y = y
 
	def get_pos(self):
		return (self.x,self.y)
 
	def update(self, t, width, height):
		# postion
		self.y+=1
		if(self.y>width):
			self.x = random.randint(0,height-self._w)
			self.y = -self._h
 
		# animation
		if t - self._last_update > self._delay:
			self._frame += 1
			if self._frame >= len(self._framelist):
				self._frame = 0
			self.image = self._framelist[self._frame]
			self._last_update = t
 
SCREEN_W, SCREEN_H = (320, 320)
 
def main():
	pygame.init()
	screen = pygame.display.set_mode((SCREEN_W, SCREEN_H))
	background = pygame.image.load("field.png")
	img_orc = pygame.image.load("orc.png")
	orc = Char(img_orc, 4, 1, 32, 48)
	while pygame.event.poll().type != KEYDOWN:
		screen.blit(background, (0,0))
		screen.blit(orc.image,  orc.get_pos())
		orc.update(pygame.time.get_ticks(), SCREEN_W, SCREEN_H)
		pygame.display.update()
		pygame.time.delay(10)
 
if __name__ == '__main__': main()

import pygame
from pygame.locals import *
 
def main():
	x,y = (100,100)
	pygame.init()
	screen = pygame.display.set_mode((400, 400))
	while 1:
		pygame.time.delay(1000/60)
      # exit handle
		for event in pygame.event.get():
			if event.type == QUIT:
				return
			elif event.type == KEYDOWN and event.key == K_ESCAPE:
				return
 
      # keys handle 
		key=pygame.key.get_pressed()
		if key[K_LEFT]:
			x-=1
		if key[K_RIGHT]:
			x+=1
		if key[K_UP]:
			y-=1
		if key[K_DOWN]:
			y+=1
 
		# fill background and draw a white circle
		screen.fill((255,255,255))
		pygame.draw.circle(screen, (0,0,0), [x,y], 30)
		pygame.display.flip()
 
if __name__ == '__main__': main()

N = 200
SCREEN_W, SCREEN_H = (640, 480)

stars = [
  [random.randint(0, SCREEN_W),random.randint(0, SCREEN_H)]
  for x in range(N)
]

for star in stars:
  pygame.draw.line(background,
    (255, 255, 255), (star[0], star[1]), (star[0], star[1]))
  star[0] = star[0] - 1
  if star[0] < 0:
      star[0] = SCREEN_W
      star[1] = random.randint(0, SCREEN_H)

#!/usr/bin/env python
 
# A simple effect of sliding stars to create a deep space sensation.
# by Silveira Neto <me@silveiraneto.net>
# Free under the terms of GPLv3 license
# See http://silveiraneto.net/2009/08/12/pygame-simple-space-effect/
 
import os,sys,random
import pygame
from pygame.locals import *
 
# Constants 
N = 200
SCREEN_W, SCREEN_H = (640, 480)
 
def main():
	# basic start
	pygame.init()
	screen = pygame.display.set_mode((SCREEN_W,SCREEN_H))
	pygame.display.set_caption('Simple Space Effect by Silveira Neto')
 
	# create background
	background = pygame.Surface(screen.get_size())
	background = background.convert()
 
	# generate N stars
	stars = [
		[random.randint(0, SCREEN_W),random.randint(0, SCREEN_H)]
		for x in range(N)
	]
 
	# main loop
	clock = pygame.time.Clock()
	while 1:
		clock.tick(22)
		for event in pygame.event.get():
			if event.type == QUIT:
				return
			elif event.type == KEYDOWN and event.key == K_ESCAPE:
				return
		background.fill((0,0,0))
		for star in stars:
			pygame.draw.line(background,
				(255, 255, 255), (star[0], star[1]), (star[0], star[1]))
			star[0] = star[0] - 1
			if star[0] < 0:
				star[0] = SCREEN_W
				star[1] = random.randint(0, SCREEN_H)
		screen.blit(background, (0,0))
		pygame.display.flip()
 
if __name__ == '__main__': main()

var planetsRequest = HttpRequest {
    location: "http://silveiraneto.net/downloads/planets";
    onInput: function(stream: InputStream) {
        var buff = new BufferedReader(new InputStreamReader(stream));
        var line = "";
        while((line = buff.readLine())!=null){
            println(line);
        }
    }
}
planetsRequest.enqueue();

#!/usr/bin/env python
import os
 
print "Content-type: text/html"
print
print os.environ['REMOTE_ADDR']

import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.text.Text;
import javafx.io.http.HttpRequest;
import java.io.*;
 
var ip = "...";
 
Stage {
    title: "What is my IP?" width: 250 height: 80
    scene: Scene {
        content: Text {
            x: 10, y: 30
            content: bind "My IP is {ip}"
        }
    }
}
 
var ipRequest = HttpRequest {
    location: "http://silveiraneto.net/scripts/myip.py";
    onInput: function(stream: InputStream) {
        var buff = new BufferedReader(new InputStreamReader(stream));
        ip = buff.readLine();
    }
}
ipRequest.enqueue();

if ((Parameters.a != null) && (Parameters.b!= 0)) {
return Parameters.a+Parameters.b;
}

import java.io.*;
import javafx.io.http.HttpRequest;
 
var a = 100;
var b = 200;
var result = 0 on replace {
    println(result);
}
 
var zemblyRequest = HttpRequest {
    location: "http://zembly.net/things/1827f696529d4e6f940c36e8e79bea1c;exec?a={a}&b={b}";
    onInput: function(stream: InputStream) {
        var buff = new BufferedReader(new InputStreamReader(stream));
        result = Integer.valueOf(buff.readLine());
    }
}
zemblyRequest.enqueue();