Python

A random password is often generated at work. Based on some online practices, I wrote a small script in Python, which is very small. #! /Usr/bin/ENV Python #-*-coding: UTF-8-*-# @ author jinqinghua@gmail.com # @ version 2012-11-011-07import

I recently learned python from the beginning and hope to use blog to record some tips. The first record today: Variable _ In the interaction session of Python, that is, the session created by python after "Python" is directly input without the

Install a pydev plug-in eclipse to develop PythonProgram. (Not to mention the installation and configuration of JDK and so on. It is not unfamiliar to developers. This is also a prerequisite for everything .) 1. Here is an address for installing

Steps for capturing network images using Python: 1. Obtain the webpage based on the given URLSource code 2. Use regular expressionsCodeThe image address is filtered out. 3. Download the network Image Based on the filtered image address Import

Python's str cannot be modified, but we can use the slicing operation to implement insert, delete, modify, and other operations in disguise. Lonbench @ Ubuntu :~ $ Pythonpython 2.7.1 + (r271: 86832, Apr 11 2011, 18:05:24) [GCC 4.5.2] On

#-*-Coding: GBK-*-Def getgbk (s): I = 0 first = (INT ('81 ', 16), INT ('fe', 16 )) second1 = (INT ('40', 16), INT ('7e', 16) second2 = (INT ('80', 16), INT ('fe ', 16) BUF = [] While true: Primary = ord (s [I]) If primary> = first [0] and primary =

1. pentagram Import turtleturtle. forward (100) turtle. right (144) turtle. forward (100) turtle. right (144) turtle. forward (100) turtle. right (144) turtle. forward (100) turtle. right (144) turtle. forward (100) turtle. exitonclick () 2.

Http://blog.csdn.net/jrckkyy/archive/2010/03/12/5373427.aspx   I spent some time learning Python a while ago. Recently, I completed a project to monitor basic server information. It is a distributed system that satisfies everyone's desire to monitor,

In daily work, there are often projects that need to be updated after modification. It is very troublesome to pack all war package updates and write a script to achieve the following: Extract files modified after a specified date Filter some

  From PythonMetaprogramming inIf the class is the template of the object instance, the Meta class is the class template and the class factory. Listing 1.Old Python 1.5.2Factory Python 1.5.2 (#0, Jun 27 1999, 11:23:01) [...] Copyright 1991-1995

As a programming language, python is widely used. From the official Python website, we can see that its application fields include web development, database development, scientific computing, games, and 3D. Although the number of users who use

1. Key knowledge points 1. equality in Python means 1. two objects associated with different names have the same value. two different names are associated with the same object with the same ID = check whether the two referenced objects have the same

The switch statement is useless in Python, which should reflect the Ultimate simplicity of Python. in Python, dictionaries are generally used to replace switch. # Coding: utf-8from _ future _ import divisiondef Jia (x, y): Print x + ydef Jian (x,

The Chinese processing of python is still quite troublesome. The UTF-8 string is 1-6 characters in length, and will be truncated accidentally, resulting in so-called garbled characters. The following function provides a string with a fixed length

This document is an introductory tutorial on pyqt4. I can find other tutorials on the Internet, but I don't think it is very clear. I hope this article will be more helpful to the readers. First, we will introduce pyqt4. The qt4 graphics library has

Http://zhuoqiang.me/python-thread-gil-and-ctypes.htmlGIL and Python thread What is Gil? What impact does it have on our Python program? Let's look at a question first. Run the following Python program. What is the CPU usage? # Do not imitate in the

A long time ago, I wrote a series of interactions between Python and C ++, as shown below: Http://blog.csdn.net/marising/archive/2008/08/28/2845339.aspx The purpose is to solve the interoperability problem between Python and C/C ++. If the

When I encountered a problem when installing lxml, I realized this function and found it useful. The record is as follows: Def run_command (CMD, * ARGs): if not cmd: return '' If ARGs: cmd = ''. join (CMD,) + ARGs) try: Import subprocess

Since many services are written in Python, you need to install the python client here, So record the installation process 1. Because the python client depends on the C client, you must first install the C client. cd

The previous article explains how to install the python client of zookeeper. Next, I found an example on the Internet. The application environment is as follows: 1. When two or more services run and only one service accepts requests (work) for the