ericzhong

# Method-1
class Foo(object):
    def __init__(self):
        self._x = None

    def getx(self):
        return self._x

    def setx(self, val):
        self._x = val

ericzhong

import Queue

q = Queue.PriorityQueue()
q.put((2, 1, 'Orange'))
q.put((1, 3, 'Tomato'))
q.put((1, 2, 'Banana'))
q.put((2, 1, 'Apple'))

while not q.empty():
    item = q.get()

ericzhong

import Queue, thread

def worker(q):
    while True:
        i = q.get()
        print('Task %s done.' % i)
        q.task_done()

q = Queue.Queue()

ericzhong

import thread, sys

def print_char(c):
    for i in range(100):
        print c,            # or sys.stdout.write()
        sys.stdout.flush()

thread.start_new_thread(print_char, ('0',))
thread.start_new_thread(print_char, ('1',))

ericzhong

import threading

class Worker(threading.Thread):
    def __init__(self, id, ch):
        super(Worker, self).__init__()
        self.id = id
        self.ch = ch

    def run(self):
        print "Start worker %s." % self.id

ericzhong

from greenlet import greenlet

def test1():
    print 1
    g2.switch()
    print 2

def test2():
    print 3
    g1.switch()

ericzhong

import eventlet
from eventlet.green import urllib2

urls = [
    "http://news.baidu.com/",
    "https://zhidao.baidu.com/",
    "http://image.baidu.com/",
]

def fetch(url):

ericzhong

import threading, time


tls = threading.local()

def say_hi():
    name = threading.current_thread().name
    if hasattr(tls, 'init'):
        print("%s: Welcome back." % name)
    else:

ericzhong

class ListMetaClass(type):
    def __new__(cls, name, bases, attrs):
        attrs['times'] = lambda self, n: self*n
        return type.__new__(cls, name, bases, attrs)

class MyList(list, metaclass=ListMetaClass):
    pass

l = MyList([1,2,3])
print(l.times(2))

ericzhong

import java.util.Random;

class PrintChar implements Runnable { 
	private String ch;

	PrintChar(String str) { 
		this.ch=str.substring(0,1);
	} 

	public void run() {