Python

1. Generate source Copy Code code as follows: #-*-Coding:utf-8-*- Import Random Def generate_verification_code ():"' randomly generated 6-bit verification code '"Code_list = []For I in range (10): # 0-9 digitsCode_list.append (str

This article discusses Python's from import * and from import *, how they are executed, and why it is a bad idea to use this syntax (perhaps).import all from one module From Import * means means "I want to have access to all the names I have

The code is very simple, and the annotation is very detailed, there is no more nonsense tools.py #-*-Coding:utf8-*-' # ============================================================================= # filename:t ools.py # Desc: Analog Browser #

Adorners (Decorators) Adorners are a design pattern that can be used if a class wants to add some functionality to other classes, rather than inheriting or directly modifying the source code implementation. In short, an adorner in Python means some

We have now used lock to make mutual exclusion access to public resources, it is also discussed that the same thread can be used to rlock the lock, but even so we only deal with the simple synchronization in some programs, we can not even reasonably

This article mainly introduces some of the main methods of main class thread in the threading module, the example code is as follows: Copy Code code as follows: ''' Created on 2012-9-7 @author: walfred @module: Thread.

Following the previous article using XLRD to read Excel, this article is about how to write Excel, write Excel we need to use the Third-party library XLWT, and XLRD, Xlrd said Read XLS,XLWT represents write xls, Also, the current version supports

This example describes how Python randomly generates a specified length password. Share to everyone for your reference. Specifically as follows: The following Python code generates a random password of a specified length by randomly combining

Exchange variables x = 6 y = 5 x, y = y, x print x >>> 5 print y >>> 6 If statement in row print "Hello" if True else "world" >>> Hello Connection The last method below looks cool when binding two different types

The example in this article analyzes Python collection type usage. Share to everyone for your reference. The specific analysis is as follows: The Python collection type, like any other language, is a unordered set of elements that I have learned

When you use BeautifulSoup to crawl the page, there will be a variety of coding errors.You can resolve the problem by specifying the character encoding in the BeautifulSoup. Copy Code code as follows: Import Urllib2 From BeautifulSoup

In this paper, the Python memory management mechanism is analyzed in detail. Share to everyone for your reference. The specific analysis is as follows: Memory management, a vital part of a dynamic language such as Python, largely determines the

This example describes the use of Genarator functions in Python. Share to everyone for your reference. Specifically as follows: The definition of a generator function is no different from the definition of a common function, except that it can be

The basic idea is to use Mimemultipart to indicate that the message is composed of several parts and then attach the various parts. If it is an attachment, the Add_header adds a statement to the attachment.In Python, the inheritance relationships of

The python exception handling mechanism is similar to Java, using a try-except-finally structure. Try-except Detection exception Format Copy Code code as follows: Try Try_statement Except (ErrorType1, ErrorType2), E:

Recently research on CSS, not to go online analysis of other people's Web pages, but many of the Web site's CSS files are either written in one line, or a line is not, it seems extremely painful, so write a script to convert to a more readable

Article Abstract: In fact, there is no direct relationship between Casperjs and Python, mainly rely on Casperjs invoke PHANTOMJS webkit get HTML file content. For a long time, crawling the client JavaScript rendering generated HTML pages is

This article for everyone to share the Java invoke Python method for your reference, the specific contents are as follows First, execute the Python statement directly in the Java class Import Org.python.util.PythonInterpreter; public class

Single case mode is a common software design pattern. In its core structure, it contains only a special class called a single instance class. A single example mode can guarantee that a class in a system has only one instance and that the instance is

The example in this article analyzes the common functions of Python strings and file operations. Share to everyone for your reference. as follows: #-*-Coding:utf-8-*-' Created on 2010-12-27 @author: Sumory ' ' Import itertools def