Python

#!/usr/bin/env python"""spare.py is a starting point for simple wxPython programs."""ImportWXclassFrame (WX. Frame):PassclassApp (WX. APP):defOnInit (self): Self.frame= Frame (Parent=none, title='Spare') self.frame.Show () self. Settopwindow

Python in action The book is a bit of a hit, and it starts with an example:1 ImportWX2 classMyFrame (WX. Frame):3 def __init__(self):4Wx. Frame.__init__(Self,none,-1,'My Frame', Size= (300,300))5Panel=wx. Panel (self,-1)6 panel. Bind (WX.

See the other Department of the pen Test, found that the topic: two sequential arrays of the merger, so try to write in PythonSpecific as follows:if __name__ ==  ' __main__ ':     a=[2,4,6,8,9,10]    b=[ 0,1,3,6,7,9,100,134]    counta=countb=0#

Reference: http://www.cnblogs.com/tqsummer/archive/2011/01/25/1944771.html#!/usr/bin/env pythonimport sysimport threadingimport serial# fromThreading Import Thread fromTime Import Sleepsub_msg_lock=Threading. Lock ()classThread1_test (Threading.

python yeild GeneratorThe generator function automatically hangs after the value is generated and pauses its execution and state (often as a solution when calculating the value of the entire series from scratch or manually saving and restoring state

In general, two approaches are often recommended:1.PyInstaller Packaging Generation EXE2. How to use Py2exe package to generate EXE-----------------------------------------------------------Package Download Place:http://www.python.org/to the

In order to install Scrapy on the win8.1 for a long time, the final installation success, the summary steps are as follows: Download Install Visual C + + Redistributables Installation Lxml-3.2.4.win-amd64-py2.7.exe (32-bit: Lxml-3.2.4.win32-

Tagged with: reptile watercress pythonPython crawler, crawl watercress top250 movieImport Stringimport reimport urllib2class Doubanspider (object): Def __init__ (self): Self.page = 1 self. Cur_url =

The following is the simplest example of a Python crawler that simulates the browser's user-agent using the network library URLLIB2 and the regular expression library re.#!/usr/bin/env python#-*-coding:utf-8-*-#引入基础网络库import urllib2# Introducing the

To illustrate the dark copy in Python, you might want to refer to the following series of concepts that need to be explained briefly:variables-References-Objects (Mutable objects, immutable objects) slices-copy-shallow copy-deep copy"

Python socket Programming Tcpby Wuxyserver.pyImport Socketimport commandsbuf_size = 1024server_addr = (' 127.0.0.1 ', 8888) server = Socket.socket (socket.af_inet, Socket. SOCK_STREAM) server.setsockopt (socket. Sol_socket, SOCKET. SO_REUSEADDR, 1)

Recently contacted with Python, with the lightning-bells of the potential (just can't wait) to apply to the workBefore using Cmd+photoshop to do batch image processing (scaling slices), in the execution of efficiency (speed) and flexibility of a

Lists ListA list is an ordered sequence (collection) that can be understood as an array type in other languages, but the list is more flexible and powerful.The list is defined by square brackets [], and its elements can be any type or object, and a

Python processing Excel and pythonexcel In Python, The xlrd library is generally used to read Excel files, the xlwt library is used to generate Excel files, and the xlutils library is used to copy and modify Excel files. These three databases only

Provides developers with 10 of the best Python IDE and pythonide Python is an easy-to-learn and powerful programming language. Python includes an efficient and advanced data structure that provides simple and efficient object-oriented

Python OO and PythonOO I want to learn Java at school in my sophomore year, The most awesome OO thought was finished on three pages, or from Tsinghua University Press. Later, I learned what OO is based on my own video and code.   Now, you can learn

Efficiency of several Python statements A function can be implemented using multiple statements, such as while statements, for statements, generators, list derivation, and built-in functions. However, their efficiency is not the same. Write a small

Python static check tool Python is a dynamic language. There is no strict type limit when passing parameters to python. When writing a python program, errors are often discovered only during execution. Some errors are hidden and triggered only by

Python @ propertyWhen reading Liao Xuefeng's Python notes, I read the @ property feature and found that it is slightly insufficient. Because I am a beginner, I hope to benefit more beginners. @ Property: What is the purpose? The following is a

Python asynchronous socket programmingThe Asynchronous Network can greatly improve the parallel processing capability of the program, so I wrote a topic to summarize the asynchronous communication in python.1. synchronous communication between