Python

The first time I saw Python was attracted, well, in front of the Linux downgrade tried a few small pieces of code. Recently work under Windows, too lazy to change to Unbuntu, so want to install Python under win.I didn't know what to do with Python

Today we are going to cluster a 1000-record, each record with n attributes, using a binary K-means.Algorithm idea:I refer to the introduction to pang-ning Tan Data mining P317The advantage relative to Kmeans is not affected by its initial

setup.py fileFrom Setuptools import Setupfrom codecs import Open # Third-party dependent package and version requires = [' beautifulsoup4>=4.3.2 ', ' gearman& gt;=2.0.2 ', ' pymongo>=2.7.2 ', ' threadpool>=1.2.7 ', ' geoip2>=2.1.0 ', ' Pywi n32>=219

What is virtualenvVirtualenv is used to create multiple standalone Python runtime environments on a single machine, enable isolation of third-party package dependencies between projects, and enable rapid copy deployment of the development

functionGet a list of CSDN articles automatically and increase the number of clicks per article.Source CodeImport urllib.requestimport reimport timeimport randomfrom bs4 Import Beautifulsoupp = Re.compile ('/a359680405/article/ details/... ')

This article was reproduced from: http://my.oschina.net/flynewton/blog/10660Copy the MEMCACHED.PYC to the working directory1 #!/usr/bin/env python2 3 Importmemcache4 5MC = Memcache. Client (['127.0.0.1:12000'],debug=0)6Mc.set ("Foo","Bar")7Value =

Python's regular expressions are explained in more detail in http://www.cnblogs.com/huxi/archive/2010/07/04/1771073.html.This article needs to add the following questions:1. Greedy and non-greedy in Python regular expressions:Python regular

ExampleFrom Optparse import optionparser[...]def Main (): Usage ="Usage:%prog [options] arg"Parser = Optionparser (usage) parser.add_option ("-F","--file", dest="FileName", help="read data from FILENAME") Parser.add_option ("-V","--verbose", action="

The essence of the adorner:When you are using a @decorator to decorate a function func, as follows:@decoratordef func (): PassThe interpreter will interpret the following statement as follows:Func=decorator (func)The essence is to pass a function as

(Mastering the OS module, you need to understand the operation of common commands under Linux or Unix-like systems)os.name  Indicates the platform you are using. For example, for Windows, it is ‘nt‘ , and for Linux/unix users, it is ‘posix‘

Go deep into the Python interpreter to understand the bytecode in Python and the python Interpreter I recently participated in Python bytecode-related work and want to share some of my experiences in this area. More accurately, I am working on the

Python installation module and python installation Module 1. Single file module:Directly copy to the $ PYTHON_HOME/Lib directory 2. Multi-file module:Download the module package, decompress the package, enter the Module Directory, and execute

Python uses multithreading to continuously refresh web pages, and python Multithreading This example describes how to use multiple threads to continuously refresh webpages in python. Share it with you for your reference. The details are as

Use IronPython to integrate Python scripts into. NET programs. ironpythonpython Take the necessary information from two excellent worlds to reuse code more efficiently. Think about it. NET and python are integrated. What are the "lazy" programmers

[Python] Huffman Encoding # Huffman Encoding # Tree-Node Typeclass Node: def _ init _ (self, freq): self. left = None self. right = None self. father = None self. freq = freq def isLeft (self): return self. father. left = self # create nodes create

Python learning path-string 11 string The string type is the most common type in Python. We can create a quotation mark ('and "have the same effect) by including characters. A string is a scalar and an unchangeable type. A string is composed of

Python scores and python scores You may not need to process scores frequently, but the Fraction class of Python will help you a lot when you need it. In this guide, I will provide some interesting examples to demonstrate how to handle scores and

Set up the Python Flask framework in 30 minutes and write the first application above, pythonflask Flask is a very good Python web framework. It is extremely small and simple. The best thing is that it is easy to learn.Today I will show you how to

Python Pyspider is used as an example to analyze the web crawler implementation method of the search engine. In this article, we will analyze a web crawler. Web Crawler is a tool that scans Network Content and records its useful information. It can

Python queries the IP address location, pythonip Use the IP138 database to query the geographic location of the domain name or IP address. #-*-Coding: gbk-*-import urllib2import re try: while True: ipaddr = raw_input ("Enter IP Or Domain Name :")