Python

Status Mode:When the internal state of an object changes, it is allowed to change its behavior. This object seems to have changed its class.Application scenariosThe behavior of an object depends on its state, that is, it must change its behavior

Core of the factory model: There is such a group of classes, they have very little difference, just like operator classes, their difference is just different operator numbers. In this way, we can create a factory to "produce" the required

Python. java Import Java. util. list; Import Org. python. core. pyexception; Import Org. python. core. pyinteger; Import Org. python. core. pyobject; Import Org. python. util. pythoninterpreter; public class Python { Public static void main (

When passing real parameters and defining parameters (the so-called real parameters are the parameters passed in when the function is called, and the shape parameters are defined parameters), you can also use two special syntaxes: ''*''**. Used to

Server From socket import * # Set the socket ParametersHost = "192.168.1.102"Port = 3550Buf = 1024ADDR = (host, Port) # Create socket and bind to addressUdpsock = socket (af_inet, sock_dgram)Udpsock. BIND (ADDR) # Receive messagesWhile 1:Data, ADDR =

Jieba word segmentation is the best word segmentation tool in Python. Its functions include word segmentation, part-of-speech tagging, keyword extraction, and support for user word lists. I have been studying this tool over the past few days. I have

Appearance (facade) Mode: Provides a consistent interface for a group of interfaces in the subsystem. -- This mode defines a high-level interface, which makes this subsystem easier to use. Differences from other models: Similar to the combined

Builder Mode: Separates the construction of a complex object from its representation, so that different representations can be created during the same construction process. Related models: Ideas andTemplate Method ModeLike this, the template method

Python module installation method: 1. Single file module: directly copy the file to $ python_dir/lib 2. Multi-file module with setup. py: Python setup. py install 3. Egg file, similar to Java jar:1) download ez_setup.py and run Python ez_setup2)

Responsibility Chain Mode: connects the objects that can process the request into a chain and transmits the request along this chain until an object processes the request, avoid coupling between request senders and receivers. # Encoding = UTF-8 ##

Intermediary Mode: Encapsulate a series of object interactions with an intermediary object. The intermediary makes the objects do not need to be explicitly referenced to each other, so that the coupling is loose and the interaction between them can

Method 1:Try:... Print 1/0Except t exception, Con:... Print exception, ":", con# Con can be changed to another name. ################################ Method 2:Try:... Print 1/0Except t:... Import traceback... Traceback. print_exc () # print the

Added some modifications to the progress bar found in the pyskydrive Project (http://code.google.com/p/pyskydrive! Import OS Import sys Import CMD Import unicodedata from threading import thread from time import sleep class progressbar

Python supports multiple threads and native threads. It is mainly implemented through the thread and threading modules. Thread is a relatively underlying module, and threading is encapsulated for thread, which can be used more conveniently. Here, we

I have recently studied CSS and have to analyze other people's webpages on the Internet. However, many CSS files on websites are either written in one line or have no line breaks, which looks extremely painful, therefore, write a script to convert

Method for getting HTML [1]: Use urllib #-*-Coding: UTF-8 -*- Import urllib   'Retrieve web page content and return' Def getwebpagecontent (URL ): F = urllib. urlopen (URL) Data = f. Read () F. Close () Return data   Url = 'HTTP: // blog.csdn.net'

Sorry, I can't remember my memory. I have been using it for so long. I will record it here and try it later. Directive Meaning Notes % Locale's abbreviated weekdayname.   % Locale's full weekday name.

Jpype can be used to bridge Java and call Java classes in Python. It is easy to use and has few external interfaces. However, you need to note the matching of Python and Java types. For details, refer to the official

I have long heard that python is powerful and never touched upon it. I recently spent some time studying it and found that it is really unusual. Compared with other languages, it does have its own characteristics and advantages. I used to use C ++

An initclient package is created in the previous section, which encapsulates the authorization process. The obtained myapiclient object can directly call the API interface to perform Weibo operations, in the previous section, I called the microblog