Python

Implemented using Python's own htmlparser.#!/usr/bin/env python#-*-coding:utf-8-*-import urllib2,reimport time,sysfrom htmlparser import htmlparser# Set default encoding type = Sys.getfilesystemencoding () class Myhtmlparser (Htmlparser): def

The Python 2.7.* is used in the work environment, but the Python version used by default in CentOS 6.4 is 2.6.6, so you need to upgrade the version.The installation steps are as follows:1, first install GCC, with the following command yum install

Import LinecacheFile=open (' 3_2.txt ', ' R ')Linecount=len (File.readlines ())Linecache.getline (' 3_2.txt ', linecount)The process of doing this found a problem, because my script is to iterate through the 3_2.txt file, when the 3_2.txt changes,

In a Unix-like environment, we always need to invoke the Python interpreter when we write a Python script, usually in the following two ways: 1 #!/usr/bin/python 2 #!/usr/bin/env python So what's

Python socket Programming Udpby Wusheyingserver.pyImport socketbuf_size = 1024server_addr = (' 127.0.0.1 ', 8888) server = Socket.socket (socket.af_inet,socket. SOCK_DGRAM) Server.bind (SERVER_ADDR) while True: print "Waiting for data"

Usually is based on Linux to do Python learning, application, only know Vim+shell can take care of Python a lot of demand!Go to Windows platform really not the assemblyInstallation of Python:Select Version python2.7.6,:https://www.python.org/,

Recently in the deployment of stuttering participle in the project encountered a garbled situation, obviously is Chinese, does not show out or garbled display. The solution is as follows.Using Isinstance to determine if the code is already encoded,

First on the code:#-*-Coding:utf-8-*-import sysimport urllib2import reimport chardetimport sysprint sys.getdefaultencoding () Keyword = u ' source:. +[\u4e00-\u9fa5]+ '. Encode (' CP936 ') HTML = ' http://finance.people.com.cn/money/n/2014/1009/ c42

Recently began to review the use of Python, the server operations commonly used modules of the use of the instantiation of the overview.==========sort=========================python  sort; Ls=[1,31,13,141,41]ls.sort () Print ls tuple sort:>> > lst=[(

So the Python author daoteng the OS module with the OS module, we don't have to worry about what the operating system is using, and the OS module will help you choose the right module and call it.How to use functions commonly used in file/directory

The implementation of a function can be implemented with a variety of statements, such as: While statements, for statements, generators, list derivation, built-in functions, and so on, but they are not the same efficiency. wrote a small program to

Python 2.7.6Urllib: Send a paper and get responseBeautifulSoup: Parsing the body of a message (HTML)#encoding =utf-8from bs4 import beautifulsoupfrom urllib import urlopenimport  urlliblist_no_results=[] #没查到的银行卡的listlist_yes_results =[]

Battleship, these two are new contacts.1) generate a random number between A and B:1 from Import Randint 2 Randint (A, B)2) Remove the quotes and commas from the list1 def Print_board (board): 2 for inch Board: 3 Print " ". Join

#-*-coding:utf-8-*-import stringimport jsonimport urllib2import urllibimport base64import sysreload (SYS) SYS.SETDEFAU Ltencoding ("Utf-8") #调用优酷网API获取json数据def Getyouku (): req=urllib2. Request (Url,code) Data=urllib2.urlopen (req).

Python provides a very useful multi-process package multiprocessing, you only need to define a function, Python will do everything else for you. With this package, you can easily convert from single-process to concurrent execution.1. Create a single

Original: http://thecodeship.com/patterns/guide-to-python-function-decorators/This is only a Chinese translation:We know that Python has some very powerful features in the use of the method def.For example, pass a method to a variable:def Sayhi

1  File Contents Copy a = open (R ' C:\Users\kk\Desktop\a.txt ', ' R ') B = open (R ' C:\Users\kk\Desktop\ B.txt ', ' w+ ') for h in a.readlines ():     b.writelines (h) a.close () B.close () Or: Import shutilshutil.copyfile (R ' C:\Users\kk\Desktop\

Exercise: Write a search(s) function that finds the file name containing the specified string in the current directory and all subdirectories of the current directory, and prints out the full path:$ python search.py

Due to the Aliyun above centos6.4 system The default Python version is python2.6.6, unable to meet the requirements, decided to upgrade to python2.7.There are two versions of python3.4.x and python2.7.x on the Python website. Since the vast majority

Notes on Python Miscellaneous Python is strongly typed. in python, the medium number indicates "binding". The variable and the actual object do not have ++, -- have ++ = Modify str content: s = s [: 7] + 1 + s [8:] # modify the s [7] member function.