Python

File encoding is UTF-8 while adding #-*-coding: UTF-8 -*- All strings in the file are prefixed with U, such as U "Chinese" When you input (capture some UTF-8/GBK webpages) and output (output to webpages and terminals), remember that python is

Prerequisites: Install xhtml2pdf https://pypi.python.org/pypi/xhtml2pdf/Download Font:; give a address: http://www.jb51.net/fonts/8481.html File to be converted: 1.htm CopyCode The Code is as follows: text 123 image

Speaking of the python GUI, I am not familiar with it. At present, the main python is mainly to use python to write scripts and web development, which does not involve writing software, but I am going to study Python software development later.

Saghul, on code «How do event loops work in Python? How do event loops work in Python? 02/04/2013 I had the pleasure to give a presentation at the first ever Python devroom at fosdem. I talked about how event loops work internally and how pyuv

  Http://www.sace.cn/members/persons/lpjcom/blog/20061011_115045_788http://blog.csdn.net/zhangj1012003_2007/archive/2010/04/16/5493714.aspx Http://www.cnblogs.com/huxi/archive/2010/07/04/1771073.html Http://wiki.ubuntu.org.cn/index.php? Title =

How nice it would be to use Python instead of JavaScript to write browser-based applications. However, JavaScript is the only language that can be executed in a browser (except flash or Silverlight ). Use python to writeCodeAnd then convert it to a

In python, the method for determining the object type is very simple. You do not need to use the following method as in other languages: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> If (

How to Write high-quality Python Program Directory CodeSpecifications Blank Project template Unit Test Document Package Summary Code Specification First, read the following two specifications and gain an in-depth

Http://blog.csdn.net/zhaoweikid/article/details/1642015 Python supports many languages and can process arbitrary characters. Here, I will take a closer look at how python can process different languages. One thing to note is that when Python needs

Specific instance We need to traverse the directory, including sub-directories (haha) to find all the files with the suffix rmvb, Avi, and PMP. (Day ?! What are you doing? This is my privacy ~~) CopyCode The Code is as follows: Import OS Def

Python supports the object-oriented programming style. Here we mainly talk about multiple inheritance in python:The following code uses python2.4 and the idle IDE development environment after installation (IDE is much simpler than delphi and VS.net)

Reprinted from: http://hcsem.com/2095/ Let me take a look at the character issue. Although I am not quite clear about the details of the Python encoding process, I have taken a look at it temporarily, which is similar to the principle of Perl.The

Chapter 1 Welcome to python. Interactive interpreter. Compile-type programming language: Compile the program source code into the target code (machine language ). Compile the program to translate the original program into the target program and

How to optimize Python performance is the main issue discussed in this article. This article involves common code optimization methods, use of performance optimization tools, and how to diagnose code performance bottlenecks. It is hoped that this

Because Python is a built-in document, you can use the help function to query the usage instructions of each system function. In general, the Key Usage and attention points are clearly stated in this system document. I tried to find functional

1: OS. listdir (path) // path is the Directory The function is equivalent to executing the dir command in the path directory. The returned result is of the list type. Print OS. listdir ('..') 2: OS. path. walk (path, visit, arg) Path: the directory

The menu operations in python tkinter are mentioned in the previous blog. The following are single-choice menus and unavailable menu operations. : tkinter * = { : : : : :

1. string. maketrans set the string Conversion rule table (translation table) Copy codeThe Code is as follows:Allchars = string. maketrans ('','') # All strings, that is, the strings are not replaced.ATob = string. maketrans ('A', 'B') # convert

Specific instanceWe need to traverse the directory, including sub-directories (haha) to find all the files with the suffix rmvb, avi, and pmp. (Day ?! What are you doing? This is my privacy ~~)Copy codeThe Code is as follows:Import OSDef anyTrue

1. copy. copy: only the parent object is copied, and the internal sub-objects of the object are not copied.2. copy. deepcopy: Deep copy object and its sub-objectsA good example:ImportCopyA=[1,2,3,4,['A','B']#Original objectB=A#Assign values to pass