Python

Like Java, Pyton an exception object to represent an exception condition. When an error is encountered, an exception is thrown, and if the exception object is not processed or snapped, the program terminates execution with the so-called backtracking

when learning the python file read and write, because the tutorial is for Python2, and the use of Python3. When you want to take advantage of the file class, you can't find it in the class library, and reloading the python2 is not going to make it.

Bored, look at "Head first Python" to pass the time. Feel this book is very general, can be bored when the turn over. There are a lot of pages in each chapter, but they don't say anything.First look at chapter fifth. Record the Knowledge

#-*-Coding:utf-8-*-# python:2.x__author__ = ' Administrator 'Import Urllib2#例子Login= ' WeSC 'Passwd= "You ' llneverguess"Url= ' http://localhost 'def h1 (URL):From Urlparse import Urlparse as UpHdlr=urllib2. Httpbasicauthhandler ()Hdlr.add_password (

Today in the writing of a small program using a 2-dimensional array, conveniently written [[0.0]*length]*length, the result for this small error, debugging for more than half an hour,In fact, before and shallow copy and deep copy has been done to

#-*-Coding:utf-8-*-# python:2.x__author__ = ' Administrator 'Import Select,socket,sys,queue# function: A notification that waits for input or the output channel is ready #select io monitoring function, portable interface is posix function

#!/usr/bin/env python#-*-coding:utf8-*-"" "@Author  :  villiam sheng@group  :   Linux Group@Date   :  2011-07-18@Funtion:             Update kvm host status ...             get_nic: get a week network  flow                1,

Recently there is a demand, want to get some of the server running on those application services, a set to see, too much effort, refer to the Ox people wrote this script, and later plus a front page to do some simple maintenance work, make up the

99 multiplication Table Job in fact, there is a simpler way, is to use a list deduction formula.-----------------------------------------------------------------------------Print below multiplication table:1*1=11*2=2 2*2=41*3=3 2*3=6 3*3=91*4=4 2*4=8

# _*_ Coding:utf-8Import Xlrd,sysImport PickleImport JSONData=xlrd.open_workbook ("D:/test/6.xlsx")# #读取工作表, methods can be indexed sequentially, or you can use Sheet_by_name (U "Sheet1")Table = Data.sheet_by_index (0)# #

Scene:In the use of Linux process, we often use Telnet to test the other server a port is open, but Linux is not installed by default Telnet client, many times the temporary installation of Telnet will be more troublesome, this time can be used in

Scenario One: If it is 32/64 bit win XP or 32/64 bit Win 7 (this article is written according to the program.) ）Installing Python-2.7.3.msiInstalling Pywin32-218.win32-py2.7.exeUnzip Pyinstaller-2.0.zip (any directory is OK)Copy Upx.exeScenario Two:

See a lot, not very early not updated, is not support gevent Finally, Sleekxmpp was chosen. #!/usr/bin/env python# -*- coding: utf-8 -*-# https://github.com/fritzy/ sleekxmpp/tree/develop/examplesimport sysif  "Threading"  in sys.modules:   

The following two errors occurred while writing the code today:TypeError: ' Module ' object is not callable' Xlbook 'On the Internet, found that the first error is because there are two different references in Python, import xxx and from XXX import *

Say that the high-rise building on the ground, will not go before you learn to crawl. Especially for me, such as the side of the side of the class, no matter how to first code, wait until I wait for the side of the wings of the hard to test first.1,

1. Introduction2048 This period of time the fire does not ah, we all have to imitate, "contending", so there are various technical version number: In addition to the phone version number, there is a C language version, QT version, web version, Java

Python writes a squid to access the log analysis applet, pythonsquid In the past two weeks, several people in the group want to learn python, so we have created such an environment and atmosphere for everyone to learn. Yesterday, I posted a

[Python 2.7] Hello World cgi http Server # Cgi http server # Getting Started Python 2.x is preferred to this simple demo. I'm using Python 2.7 over windows. * Https://docs.python.org/2.7/library/cgihttpserver.html*

The instance explains the private attributes in Python, And the instance explains the python private attributes. In Python, you can add a Double underline before the property variable name to define the property as a private property. For

Python inter-process communication instance, python Process Python implements simple inter-process communication instances The example explains how python implements communication between two programs. The specific method is as follows:This instance