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This article mainly introduces the implementation of the python connection pool. The code is as follows: Import socketImport QueueImport threading Def worker ():While True:I = q. get ()Conn = I [0]Addr = I [1]While 1:Sms = conn. recv (1024)If sms!

This article mainly introduces python code examples for quick sorting. 1. algorithm description: 1. first, extract a number from the series as the reference number.2. in the partitioning process, place all the numbers greater than this number to

This article mainly introduces what is a generator and how to use it. the following example shows how to use it. What is a generator? A generator is a function that contains the special keyword yield. When called, the generator function returns a

This article mainly introduces how to implement question mark (?) in python (?) For more information about the expression method, see. The and or in python are very different from those in other languages.Both and or in other languages return bool

This article mainly introduces how to implement the ternary operators in python. for your reference, this is a question that comes to mind when you are reviewing lambda expressions today. we all know that the ternary operators (? :) Is a very useful

This article mainly introduces socket and PYTHON socket modules and provides a simple pythonsocket programming. for details, refer to use 1. socket A socket is a network application provider that provides portable standard objects for specific

Python simulates logon to Baidu, enabling logon and reading the Baidu Post bar list. Baidu logon is still a bit troublesome. due to the ssl, you need to first obtain the token and then log on, it is better to use finddle2 for analysis. The code is

This article mainly introduces how to upload local files to Qiniu Cloud service using PYTHON. The development environment is Python2.7. The code is as follows: # _ * _ Coding: UTF-8 _*_#---------------------------------------# Program: Upload

This article mainly introduces how to get the current time in Python. if you need it, you can refer to the time when I sometimes write a program to use the current time. I want to use python to get the current time, although it is not very difficult,

This article mainly introduces how to use function nesting in Python. For more information, see the example below: The code is as follows: Def re_escape (fn ):Def arg_escaped (this, * args ):T = [isinstance (a, VerEx) and a. s or re. escape

This article mainly introduces the detailed description of urllib2 custom opener. For more information, see urllib2.urlopen () function does not support verification, cookie, or other advanced HTTP functions. To support these functions, you must use

This article describes how to calculate the configuration speed of python based on distance and duration. For more information, see The code is as follows: Function cal_pace (d, h, m, s ){Var distance = d;Var hours = h;Var minutes = m;Var

This article mainly introduces how to download a specified webpage. For more information, see The code is as follows: #-*-Coding: UTF-8 -*-Import reImport urllibDef getHtml (url ):# Find the source code of the webpagePage = urllib. urlopen

This article mainly introduces the example of downloading seeds through urllib2 and re modules. For more information about downloading seeds through urllib2 and re modules, see Ideas 1. log on to the Forum with a program (if you need to log on, you

This article describes how to use python list operations. For more information, see The code is as follows: Python 3.3.4 (v3.3.4: 7ff62415e426, Feb 10 2014, 18:13:51) [MSC v.1600 64 bit (AMD64)] on win32Type "copyright", "credits" or "license ()"

A WriteData function is used in the project to save the configurations entered by the user. in order to verify the user input requirements, the python modifier is used without affecting the interface usage, the code snippet demonstrates how to

This article describes how to capture images on a Web page using python. For more information, see The code is as follows: # Coding: utf8Import reImport urllibDef getHTML (url ):Page = urllib. urlopen (url)Html = page. read ()Return html Def

During the development of self-use crawlers, some webpages are UTF-8, some are gb2312, and some are gbk. If no processing is added, all the collected webpages are garbled, the solution is to process html into a unified UTF-8 encoding. what is

This article describes how to simulate mouse clicks and keyboard input using python in windows. For more information, see install pywin32 first and call winapi interfaces in windows. The code is as follows: ## _ * _ Coding: UTF-8 _*__ Author _ = '

Python provides the following basic data types: Boolean, integer, floating point, string, list, tuples, sets, dictionaries, etc. Python basic data types 1. null (None)Indicates that the value is an empty object, and the null value is a special