Python

Django-pipeline is a very handy static resource management app under Django, especially after the 1.2 release, it's easy to switch between development and deployment environments using Django-staticfiles's collectstatic commands. When writing

Output With Print plus a string, you can output the specified text to the screen. For example, the output of ' Hello, world ', implemented in code as follows: >>> print ' Hello, world ' The print statement can also be followed by multiple strings,

Data Type A computer is a machine that can do mathematical calculations as the name implies, so a computer program can handle a variety of values. However, the computer can handle far more than the numerical value, but also can deal with text,

Because a function is also an object, and a function object can be assigned to a variable, the function can also be called through a variable. >>> def now (): ... print ' 2013-12-25 ' ...>>> f = now>>> f () 2013-12-25 The function object has a _

I am using the MySQL database of mysqldb operation. Let's start with a simple example: The code is as follows: Import MySQLdbTryConn=mysqldb.connect (host= ' localhost ', user= ' root ', passwd= ' root ', db= ' test ', port=3306)Cur=conn.cursor

Theory does not say much: The code is as follows: #!/usr/bin/pythonImport Sysdef merge (array, q, p, r):Left_array = array[q:p+1]Right_array = array[p+1:r+1]Left_array_num = Len (left_array)Right_array_num = Len (right_array)I, J, k= [0, 0,

Unicodeencodeerror: ' latin-1 ' codec can ' t encode characters in position; Looking for a day to finally figure out, by default, the MySQL connection encoding is latin-1, you need to specify what encoding to use: Connectionforuri

First, the service side (server.py) The thing to do on the service side is: 1. Create a Socket object Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Import socketS = Socket.socket (socket.af_inet,

Inheritance is an important way of object-oriented programming because, by inheritance, subclasses can extend the functionality of the parent class. Recall the design of the animal class, assuming we want to implement the following 4 kinds of

>>> A = 2.5 >>> B = 2.5 >>> C = b >>> A is C False >>> A = 2 >>> B = 2 >>> C = b >>> A is C True When using the IS function to print a, B, respectively, is assigned a value of 2.5 and 2, found that:>>> A = 2>>> B = 2>>> ID (a)21132060>>> ID (b)2113

Here is the result of a real-combat project. The code is as follows: #coding: Utf-8Import Image,imagedraw,imagefont,os,string,random,imagefilterDef initchars ():"""Allowed set of characters, initial collection is numeric, uppercase and

It is the Python language's binding to the popular Wxwidgets cross-platform GUI ToolPak. And Wxwidgets is written in the C + + language. Like the Python language and the wxwidgets GUI tool library, Wxpython is open source software. This means that

Python code The code is as follows: #-*-Coding:utf-8-*- Import Image,imagedraw,imagefont Import Random Import Math, string Class Randomchar (): "" for random generation of Chinese characters "" " @staticmethod Def Unicode (): val = Random.randint (0

The code is as follows: MyVar = 1 Def myfunc ():MyVar + = 1 MyFunc () will prompt for error: Unboundlocalerror:local variable ' myVar ' referenced before assignment Python proposes the following hypothesis: If you assign a value to a

1) Os.path 1.1 Os.path.isabs (path) is an absolute path 1.2 Os.path.isfile (PATH) 1.3 Os.path.isdir (PATH) 1.4 Os.path.islink (PATH) is a link, but returns false if the system does not support links 1.5 Os.path.ismount (path) is a drive, but

The code is as follows: #-*-Coding:utf-8-*-Import HttplibImport UrllibImport stringImport reDef getcontent (): #从网站中获取所有内容conn = Httplib. Httpconnection ("tu.duowan.com")Conn.request ("GET", "/m/meinv/index.html")R = Conn.getresponse ()Print

Like what 1--1 2--1 2 3--1 2 3 3--1 2 3Staggered hierarchical relationship, just beginning to feel very messy did not want to understand, and then finally caught the key. As long as the depth of each level is calculated, it is good to run.I defined

First recommend a good web site to learn python A concise Python tutorial Swaroop, C. H. Shen Jieyuan TranslationThe web site of the online tutorials: Http://www.woodpecker.org.cn:9081/doc/abyteofpython_cn/chinese/index.html Learning to program for

The first chapter introduces The scripting language is a language similar to DOS batches and UNIX shell programs. The scripting language does not need to be compiled and executed every time, and it is easy to access running programs in execution,

This example describes how Python uses PIL to scale a network picture and save it. Share to everyone for your reference. The implementation method is as follows: ' Tk_image_view_url_io_resize.pydisplay an image from a URL using Tkinter, PIL and