Python

#获取脚本所在目录Print Os.path.split (Os.path.realpath (sys.argv[0])) [0] #获取脚本运行目录Print OS.GETCWD () Local directory Read Import os.pathimport sysroot= '/home/work/' for parent,dirnames,filenames in Os.walk (root): for filename in filenames:

In the words of Wikipedia, a binary tree is a tree structure with up to two subtrees per node. But today we are talking about a two-fork search tree, which is an extension of the binary tree, and adds a few restrictions to the two-fork lookup

# hello.py def SayHello (): str="hello" Print (str); if __name__ " __main__ " : Print ('This ismain of module ' hello.py') SayHello ()Python as a scripting language, we write in Python each module can contain the above so a dead C in

Often used in ThreadPool this library, it is very simple to use:　　 Pool = ThreadPool. ThreadPool (threadnum) = threadpool.makerequests (Repeater.get_rq, Args_list=arg_list, callback= Result_handle_func) For in reqs] pool.wait ()

Wsgi InterfaceNo matter how complex a Web application is, the portal is a WSGI handler function.All input information for the HTTP request can be obtained through environ, and the output of the HTTP response can be start_response () plus the

1.cmd = "Some unix command" Retcode = Subprocess.call (cmd,shell=true)2.SSH = Paramiko. Sshclient () ssh.connect (server, Username=username, Password=password) Ssh_stdin, ssh_stdout, Ssh_stderr = ssh.exec_ Command (Cmd_to_execute)3.Import

First, install Python, configure environment variables (configure system environment variables according to Python installation path), I was installed in (E:\PYTHON27)Second, download the PY stuptools Toolkit--url: https://pypi.python.org/packages/2.

At work, we sometimes encounter the need to calculate whether an IP or network segment is in another network segment. Sometimes it is judged whether the two segments overlap. This is a lot easier to use ipy.The following shell is the installation of

At work, we sometimes encounter the need to calculate whether an IP or network segment is in another network segment. Sometimes it is judged whether the two segments overlap. This is a lot easier to use ipy.The following shell is the installation of

When using the UDP protocol, you do not need to establish a connection, just need to know the other side's IP address and port number, you can directly send packets. But I don't know if I can get there.Although the transmission of data with UDP is

From selenium import WebdriverImport timeA=[] #创建一个空列表用于存储查询到的元素组Driver = Webdriver. Firefox ()Driver.get ("http://mail.126.com/")#定位126邮箱标题上 "Free Mail |" Business Email | VIP Mailbox | Foreign user Login | Student User Login | Mobile Client | help

Disclaimer: This article was originally published in Rai Yonghao (Love flower butterflies) blog Http://blog.csdn.net/lanphadayFirst, two pictures into a histogram, the similarity calculation of the image is converted to the distance of the histogram

Python (data structure and algorithm [3]) Maps keys to multiple values in the dictionary. One-click multi-value dictionary d = {'a':[1,2,3], 'b':[4,5]}e = {'a':{1,2,3}, 'b':{4,5}} You can use the from collections import defaultdict to use the

Python (data structures and algorithms [2]) Find N elements at most or at least The heapq module has two functions: nlargest () and nsmallest (), which can solve our problem. >>> Print (heapq. nlargest (3, nums) [43, 23, 8] >>> print (heapq.

Compile and configure apache2.4 (python CGI) and 14.02apache2.4 in Ubuntu 14.02 Compile and configure apache2.4 (python CGI) in Ubuntu 14.02 ): # Download apache2.4 source package wget http://mirrors.cnnic.cn/apache//httpd/httpd-2.4.12.tar.gz#

Python and python This article describes how to solve the daffodils in python. Share it with you for your reference. The details are as follows: An N-digit decimal positive integer. If the sum of the N-digit power of each digit is equal to the

Python uses MYSQLDB to export XML files from the database, pythonmysqldb This example describes how Python uses MYSQLDB to export XML files from a database. Share it with you for your reference. The specific analysis is as follows: Here we need to

Python prime number detection method, python prime number Detection This article describes how to check Python prime numbers. Share it with you for your reference. The details are as follows: Factor Detection: Detection factor, time complexity O (n ^

Parse freeblock and pythonfreeblock in Python from Python source code 1 Introduction In python memory management, there is a block concept. It is similar to the SGI subspace configurator.First, apply for a large space (4 kb), and then cut it into a

Django web Development Guide no such table:, djangotable When you learn the django web Development Guide, a new blog is published, and an error message is displayed after you click save: no such table balabalabala... Baidu once said that it would