Getting Started with Python: TCP socket programming

Beginner script Language Python, test the available TCP communication programs:Server:#!/usr/bin/env python#-*-coding:utf-8-*-import socketimport threadingimport timedef tcplink (sock, addr): print (' Accept new connection from%s:%s ... '% addr);

Python virtualenv Development environment

# pip source settings [[email protected] ~]# Cat/root/.pip/pip.conf[global]trusted-host=pypi.douban.com # This will prompt this in virtual env, Configuration does not prompt for Index-url=http://pypi.douban.com/simple[[Email protected] ~]# pip

Basic grammar of Python learning notes

Three ways to import a function From math import sqrt #import the SQRT function is e.g. sqrt from math import * #import all functions from M Ath module e.g sqrt import math #import math Module,and use the function via math.* e.g. MATH.SQRT (25 )

Python Traversal Delete log

#! /usr/bin/python2.6#-*-Encoding:utf-8-*-Import OSImport Os.pathImport timeRoot_dir = OS.GETCWD ()Seperator = Os.sepMax_used_space = 60*1024*1024*1024# Start Delete 60G when using hard disk space larger than this valueMin_left_space = 20*1024*1024*1

Python Half-duplex chat program

Server program:1 #!/usr/bin/python2 3 ImportSocket4 5host="'6port=80087Addr=(Host,port)8bufsiz=80969 Tensersock=Socket.socket (Socket.af_inet,socket. SOCK_DGRAM) One Sersock.bind (ADDR) A - whileTrue: -Data,addr=Sersock.recvfrom (Bufsiz) the

Python image Processing (10): from 2.4.11 to 3.0.0

Happy Shrimphttp://blog.csdn.net/lights_joy/Welcome reprint, but please keep the author informationIt took a little time today to upgrade OpenCV from 2.4.11 to 3.0.0, simply note the upgrade python the differences in the code. 1. differences

Python Simple server program

This is an exercise in the Python Core programming (second edition of the article), which asks the server to recognize the following commands:LS returns the current directory of the server programOS returns information about the server's operating

Python Html.parser Library Learning Summary

Classification path:/datazen/datamining/crawler/  before, a friend asked me to make a small script, grab the sales/price data of the competitor on a one-time mall, so that he can adjust his marketing strategy in real times. I have had to write a

Python Threading Module

#Coding=utf-8ImportThreading fromTimeImportCtime,sleepdefMusic (func): forIinchRange (2): Print "I was listening to%s.%s"%(Func,ctime ()) Sleep (1)defMove (func): forIinchRange (2): Print "I was at the %s!%s"%(Func,ctime ()) Sleep (5)

Python configuration OpenCV for human face detection

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Pattern Recognition class teacher left an experiment, in VC + + environment, using OPENCV Library programming to achieve face detection and tracking.Then began to download OpenCV and vs2012, and then, configured several times or the configuration is

Python uses scapy to write DNS Fuzzer

1. DescriptionUsing the Scapy library, write a DNS Fuzzer tool and test it. Before this, it is explained that the DNS protocol request packet is a UDP packet encapsulated in the IP packet (in some cases, TCP), and UDP has a port of 53. Go to scapy

Python uses scapy for frame injection

1. DescriptionThe use of scapy for the injection of Ethernet frames is relatively simple compared to raw_socket. Before you tell packet injection, learn about the Scapy forged Ethernet frames. Package format that corresponds to the Ethernet frame

Beginners Learn Python Notes

1. Modules: three methods of invocation1. A python file written in vim * *, using Import * *, can be called directly in interactive mode2. Call a function inside the module:From module name in function name3. Shorten the module name to call:Import

Simple implementation of Python parallel computing--pp

Python multithreading is best known as mutilprocessing (MP) However, I recommend a third party package, it is more simple to implement than MP, only need a wordjob_server.submit(function, (paras,), (called-functions,), (imports,))Very easy to

Python file read encoding error problem Resolution (Pycharm development tool default setting of the pit ... )

Just contact Python learning, is preparing to do a reptile example, who knows the code began to encounter a big pit, Kuanghan ah.The problem is this: I crawled through the code of the blog home page HTML code and into the Blog.txt file, and then

Python type conversion

It's really handy to write some small scripts in Python, but there are a number of data types involved in working with the data, so here's a collation of Python's type conversions.Some of the more frequently Used (code tests are in the python2.7

Python basic syntax

I. Basic input and OUTPUT# !/usr/bin/python Print " Hello, python!. ";Second, Python identifiersIn Python, identifiers are composed of letters, numbers, and underscores.In Python, all identifiers can include English, numeric, and underscore (_), but

Python QuickStart (5)

OS module: Operating system interfaceYou should use the Import OS style instead of the From OS import *. This ensures that Os.open (), which varies with the operating system, does not overwrite the built-in function open () is useful for using the

Leetcode number of 1 bits python, leetcodebits

Leetcode number of 1 bits python, leetcodebitsNumber of 1 Bits   Write a function that takes an unsigned integer and returns the number of '1' bits it has (also known as the Hamming weight ). For example, the 32-bit integer '11' has binary

Python multi-process creation method based on multiprocessing, python multi-process

Python multi-process creation method based on multiprocessing, python multi-process This example describes how to create a multiprocessing-based python multi-process. Share it with you for your reference. The details are as follows: Import

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