python 2.5.x 找不到 python25_d.lib 解决

初始化函数中的虚函数调用（ C++ vs python ）

代码+结果，不做解释
当然，对于python没有virtual function一说，估计当作对比一个例子看看吧。
#include <iostream>
using namespace std;
class base
{
public:
virtual void foo() { cout << "base" << endl; }
base() { foo() ;}
};
class derive: public base
{
pub ......

python绘制螺旋线

#coding=utf-8
from math import sqrt,cos,sin
import Image, ImageDraw
class SpireShape(object):
    def __init__(self, draw):
        self.draw = draw
        self.line_width = 1
     & ......

Python之美 Decorator深入详解(一)

There should be one—--and preferably only one –--obvious way to do it.
......

Python 线程池的实现

import urllib2
import time
import socket
from datetime import datetime
from thread_pool import *

def main():
url_list = {"sina":"http://www.sina.com.cn",
"sohu":"http://www.sohu.com",
"yahoo":"http://www.yahoo.com",
"xiaonei":"http://www.x ......