Python

Today we'll talk about some of the classic sorting algorithms, and then use Python to do it, and finally compare the time of several algorithms with dataSelect sortSelect sort (Selection sort) is a simple and intuitive sorting algorithm. It works by

Turn from "51361006 I've been thinking about the difference between the content and the Text property of requests, there's no difference from the print results. Look at the Source: @property def text(self): "" " Content of the

Differences in process threads, threads, and co-routinesLinux or Unix has a fork () function, but it does not support the win system.MultiprocessingThe multiprocessing module is a cross-platform version of a multi-process module. To support the win

I. Introduction of SHELVE1, shelve is a simple data storage scheme, he has only one function is open (), the function receives a parameter is the file name, and then return a shelf object, you can use him to store things, you can simply think of him

After the page is saved, the JS file will be named. Download, HTML references will also have, very ugly, solution: Replace the string with PythonImportOsImportRe"" Replace all documents in the current directory with "" "defChange_str (path):

The Platform module provides information about the underlying system platformSystem architecture32-bit or 64-bit>>>ImportPlatform>>>platform.architecture () ('64bit','ELF')#python 3.3.2+ bits on debian Jessie('32bit','WindowsPE')#python 3.3.2 bits

‘‘‘1. Write the program, get a person's information from the keyboard, and then display the ================================== in the following format???Name:? Dongge????? ????Qq:xxxxxxx?????Phone number: 131xxxxxx???? Company address: Beijing xxxx?‘

Assuming that you want to convert a large number of binary strings, each time it is very troublesome to pass in, int(x, base=2) so, we think, can define a int2() function, the default is base=2 passed in:def int2(x, base=2): return int(x, base)In

1 ImportJSON2 classA:3 defWritereadjson (self):4List2 =['1', 5.,7,'3']5With open ("Test.txt",'W') as F:6Json.dump (LIST2,F)#Write list to f file7With open ("Test.txt",'R') as F1:8j = Json.load (F1)#load and assign the contents of the F1 file to

Cookies parameters(1) Obtaining cookiesrequest.COOKIE(2) Setting cookiesresponse.set_cookie("","",)(3) Cookie parametersdef set_cookie(self, key, value=‘‘, max_age=None, expires=None, path=‘/‘, domain=None, secure=False,

The meaning of a slice literally is also well understood, which is to cut something into a fragment. In other words, a slice is an operation on data that intercepts a fragment of data, a string, a list, and a tuple that support slicing.#syntax:

Create a normal user, key pair, upload to the machine to be controlled password-freeControl machine Jump This code show[[email protected] tiaoban]$ cat /etc/profile.d/tiaoban.sh [ $UID -ne 0 ] && python /scripts/tiaoban/tiaoban.pyDirectory structure[

"""Grab a picture of today's headline Street"""ImportOSImport TimeImportRequests fromHashlibImportMD5classSpidertoutiao (object):def __init__(self):#Specify download directorySelf.download_dir = Os.path.join (Os.path.dirname (Os.path.abspath (__file_

This article mainly introduces the NumPy implementation of the integration of multidimensional matrix, List extension method, has a certain reference value, now share to everyone, there is a need for friends can refer to First, merging multiple

This article mainly introduces the Pyspider to the crawler to forge a random request head of the example, has a certain reference value, now share to everyone, the need for friends can refer to Pyspider uses the Tornado Library to do HTTP requests,

This article mainly introduces the use of Python in the Gensim library Word2vec, has a certain reference value, now share to everyone, the need for friends can refer to After the PIP install Gensim is installed, it is ready for import: 1. Training

This article mainly introduces the Python read-write Docx file method, has a certain reference value, now share to everyone, the need for friends can refer to Python reads and writes Word documents with ready-made libraries to handle. I use

This article mainly introduces the solution to the Python requests Library coding SOCKS5 Agent problem, has a certain reference value, now share to everyone, the need for friends can refer to Coding issues Response = Requests.get (URL,

This article mainly describes the python through the camouflage head data resistance anti-Crawler, has a certain reference value, now share to everyone, the need for friends can refer to 0x00 Environment System Environment: WIN10 Authoring tools:

This article mainly introduces the Python implementation of the crawler set proxy IP and disguised as a browser method to share, has a certain reference value, now share to everyone, the need for friends can refer to 1.python Crawler Browser