Python port scan

Some time ago wrote a port scan of the Python script, found that now forget almost, and quickly recorded it, although it is concurrent, but in the actual use of the scene, if the scan of too many machines, there is still a performance problem,

Python--functions

Turn http://www.cnblogs.com/vamei/archive/2012/06/01/2529500.htmlThe most important purpose of the function is to make it easy for us to reuse the same program.Some operations are subordinate to a function, and in the future when you want to

Python Training Day6 Essays

Today I've talked about some of the Python's practical local tool modulesLoggin Module for logging#!/usr/bin/env python#--*--coding:utf-8--*--import logginglogging.basicconfig (filename= ' Wgwtest.log ' ,  #filename代表记录的日志文件名称              

Python Read ini configuration file

Db_config.ini [baseconf] host=127.0.0.1 port=3306 user=root password=root db_name= Evaluting_sys [concurrent] processor=20 Python code1 the corresponding Python code2 ImportSys,os3 ImportConfigparser4 5 classDb_connector:6 def

Python flask data to JS

The first thing to know is the data format used for background and front-end interaction.Generally choose JSON, because the perfect fit with JS. Data returned in the background is serializedReturning serialized data in the view method of

CentOS Python 2.7 Installation

bz2

At first there is this demand, is because the YAH3C replacement INode for Campus network certification, has been compiled error, the hint can not find a Python module, Baidu a bit, this module is in Python2.7 above only, But the system's own Python

Python tab complement function code under Linux

1, in learning Linux children's shoes are used to the tab completion function, so in learning Python at the same time, one is for convenience, two can see more about the knowledge of the Python command.2. Configuration steps:(1) Type this code under

Python shrink image

Lynclynn use:Zoom Out Image#-*-coding:utf-8-*-#version:v1.0#Author:lynclynn#createdate:20151201#updatedate:#Description:change the picture fromPILImportImage#Open Source ImageImg= Image.open ("E:\Python\Code\me.jpg")PrintImg.format,img.size,img.mode#

--------functions of Python programming

First, the function of the programming of the sending of e-mail#!/usr/bin/env python#-*-Coding:utf-8-*-Import SmtplibFrom Email.mime.text import MimetextFrom email.utils import formataddrdef mails ():msg = mimetext (' message content ', ' plain ', '

Python on String invariance

>>> ' abc ' + ' Def '' ABCdef 'Python allocates space for ' abc ' and ' Def ' respectively, and Python automatically allocates space for the new string ' abcdef ' When the connection operation is made>>>s = ' abc '>>>s = s + ' def '>>>s' ABCdef 'In

Python Process Control

Condition test:An If condition test expressionDifferent types of comparisons: numbers: Comparing sizesString: Per-character comparison by ASCII code tableLists and tuples: Comparing the contents of each part from left to rightDictionaries: Comparing

Common methods of Python list

| Append (...)| L.append (object)--Append object to end|| Count (...)| L.count (value), integer--return number of occurrences of value|| Extend (...)| L.extend (iterable)--extend list by appending elements from the iterable|| Index (...)| L.index

Python Common string processing

S.find (Substring,[start[end]]) #可指范围查找子串, returns the index value, otherwise returns-1For example>>>b = ' ABCD '>>> b.find (' d ')3>>> b.find (' d ', 2,4)3>>> b.find (' d ', 3,4)3>>> b.find (' d ', 2, 3)-1Visible when the specified range is

Most complete Pycharm Tutorials (4)--related configuration for Python interpreter

  Most complete Pycharm Tutorials (1)--Custom SkinsMost full Pycharm Tutorials (2)-code styleMost full Pycharm Tutorials (3)-code debugging, running1. Preparatory work(1) The Pycharm version is 3.4 or higher.(2) At least one Python interpreter has

Leetcode Implement STRSTR Python

#kmpClasssolution (object):defstrStr (self, haystack, needle):""": Type Haystack:str:type needle:str:rtype:int""" ifLen (haystack) andLen (needle) 0:return0 Arrnext=Self.getnext (needle) I=0 J=0 Inthlen=Len (haystack) Intnlen=len (needle)

Wrote a little thing about tracking routing in Python.

Reprint: http://www.iteye.com/topic/550804collect.py, this can only be used under Linux ... #!/usr/bin/pythonBecause the traceroute command is usedImport sysimport osimport threadimport cpickleimport timeimport refrom socket import inet_ntoafrom

Unbtun python tab completion

In the use of Python sometimes always forget a lot of code, this is the most headache for the program Yuan thing, I was just contact Python, these days is also used this piece, so recorded, has been needed to be able to find.My system is:[Email

Python Learning Series Python Adorner Basics (5)---multi-adorner use

In some cases, it may be necessary to work with multiple adorners at the same time, in particular how to use, see Code:#basic5. Pydef auth1 (func): Def inner (): print ' before 1 ' func () print ' after 1 ' return innerdef Auth2 (func): Def inner ():

Calculate the solution of a simple quadratic equation and calculate a quadratic equation

Calculate the solution of a simple quadratic equation and calculate a quadratic equation Define a functionQuadratic (a, B, c), Receives three parameters and returns the quadratic equation of the first element: Ax ^ 2 + bx + c = 0 . Tip: You can

Python batch Modify file name-suffix,

Python batch Modify file name-suffix, Purpose:   Modify the file format and filename Suffix in batches. # Version: V1.0 # Author: lynclynn # Description: Change the filename # CreateDate: 20151130 # UpdateDate: #-*-coding:

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