Python

One or three-dollar operationFormat:Variable = value 1 if condition else value twoExample 1:A=3Name = "Wang" if a = = 2 Else "Zhang"Print NameExample 2:A=input ("pls input a num:")Print "OK" if a = = 2 Else "NO"Second, Pycharm breakpoint

Remember to use the Python script to modify the Hosts file, because the company server needs to change the IP address, the server is a Linux system, and the hosts file some resolution of the IP, manual one of the resolution is too troublesome, wrote

#-*-coding:utf-8-*-#python#Xiaodeng#Python's function Usage round ()#http://www.cnblogs.com/hongfei/p/3858256.html#round ()#Description: Returns a number of n decimal point floating-point numbers," "Round (...) Round (number[, ndigits]), floating

Variable you can use it as long as it exists in memory. (Stack) Ternary operations name = value 1 if conditions established Else value 2 In-process Binary octal decimal hexadecimalBasis All Things are objects,

#-*-coding:utf-8-*-#python#Xiaodeng#smtplib module Send mailImportSmtplib fromEmail.mime.textImportMimetext" "http://www.cnblogs.com/xiaowuyi/archive/2012/03/17/2404015.html# Basic idea: 1, constructs the main program that sends the mail, creates

#-*-coding:utf-8-*-#python#Xiaodeng#Python's Zip#http://python.jobbole.com/82590/#1) Zip syntax format:" "Zip (...) Zip (seq1 [, SEQ2 [...]]), [(Seq1[0], seq2[0] ...), (...) Return a list of tuples, where each tuple contains the i-th element

Lists (List Class)Tip: All of the following methods are methods in the class, the first argument is self, and unity is not written.The methods that are included are:1, append (x) #将x添加到List末尾.>>>list=[' a ']>>>list.append (' B ')>>>list[' A ', ' B '

#-*-coding:utf-8-*-#python#Xiaodeng#python's function usage __setattr__#http://www.cnblogs.com/hongfei/p/3858256.html#Reconstruction method using __setattr__ functionclassFruit ():def __init__(Self,color,price): Self.__color=color self.__price=

Dictionary {}tuple () list [] Dictionary {}       Dictionary is the only mapping type (hash table) in PythonThe Dictionary object is mutable, but the key of the dictionary must use the immutable object, and a dictionary can use different key

Running the Python program will display a CMD in the background, it is very simple to not display ( although I have been looking for 1 hours ...). To understand the basics )Method 1:pythonw xxx.pyMethod 2: Change the. py to. PYW (this is actually

py1.py#！ /usr/bin/env pythondef Test (): print ' __name__ = ', __name__if __name__ = = ' __main__ ': Test ()py2.py#！ /usr/bin/env pythonimport py1.pydef Test (): print ' __name__ = ', __name__ if __name__ = = ' __main__ ': Test ()

1. Get user input via Raw_input () function (visible)[email protected] scripts]# cat input.py#!/usr/bin/env python#-*-Coding:utf8-*-Raw_input ("Please enter user name:")[email protected] scripts]# python input.pyPlease enter your user name:

Beginner python, the implementation of a simple thread pool framework, in addition to wokers (worker threads) in the thread pools, also creates a separate log thread for the output of the log. The queue is used to communicate between threads.The

#-*-coding:cp936-*-From sys import ARGVFrom Os.path Import existsScript, from_file, to_file = argvPrint "Copying from%s to%s"% (From_file, to_file)# We could do these and a line too?In_file = open (From_file)Indata = In_file.read ()Print "The input

Chapter One question and answer sessionA Why do people use PythonSoftware QualityDevelopers ' efficiencyPortability of programsSupport for standard librariesComponent integrationEnjoy the funTwo Disadvantages of PythonThe only downside to Python is

Python stress testing scriptThe purpose is to write a script and initiate multiple threads to call an interface to test a concurrency problem. The solution is to make the interface a page and use the http get request of python to access the query.

Python verification code identification and processing instance I. Preparation and code example1. PIL, pytesser, tesseract   Download is an exe, directly double-click the installation, it will automatically install to C: Python27Libsite-packages,  

Python compresses and decompress the zip file and crack the password of the zip file, Python zipfile provides a very convenient way to compress and decompress zip files. For example, in the directory where The py script is located, there are the

Python executes Linux commands and returns the dictionary#! /Usr/bin/env pythonimport commands def monitor (): shell_command = 'Sar 1 3 | grep "^ Average:" 'status, result = commands. getstatusoutput (shell_command) if status! = 0: value_dic =

Solution to 403 Forbidden error when deploying django in Apache2.4: apache2.4django Apache2.4 deploy django with the 403 Forbidden error. It is best to check the error log in apache to see which causes the 403 error. In the afternoon, Baidu failed