Python

For example, when learning lists, tuple, dict, str, OS, SYS, and other modules, using Python's own documentation can quickly and comprehensively learn the functions that are processed. So this self-contained document function can give a lot of

Use the Win32com module to develop an example of window ActiveX: (If you have not installed the Win32com module, please go to http://python.net/crew/skippy/win32/Downloads.html to download). Copy Code code as follows: #

Open (Filename,mode,buffer) The first parameter is the file name of the file you want to open, the second is open, optional, and the third is a buffer, optional. By default, the file is opened in read mode. The function returns the stream type

These files were previously extracted using a colleague's batch file; Not quite handy, just recently learning some python, all on their own to write a Python extract files applet; 1. Principle The principle of extracting files is very simple, that

Copy Code code as follows: #-*-Coding:utf-8-*- From __future__ import unicode_literalsImport ImageImport datetimeImport Win32gui,win32con,win32apiImport reFrom Httpwrapper import SendRequest Storefolder = "C:\\dayimage" def

First on the script, and so down to tell the knowledge point: Copy Code code as follows: #!/usr/bin/env python #encoding =utf-8 Import Sys Import re Import Urllib2 Import Urllib Import Cookielib Class Renren (object): def

In this chapter, the concept of data structure is introduced. Data structures are collections of elements that are organized together in some way. In Python, the most basic data structure is the sequence. Each element in the sequence is assigned an

This is the problem that comes to mind when you review lambda expressions today, and it is well known that the ternary operator (?:) in the C-series language is a very useful statement, About ternary operators in C Expression of 1? Expression 2:

This example describes how Python reads all directories and files in a directory. Share to everyone for your reference, specific as follows: Here is a reading of the directory when just learning Python, to share the following:

Lock Python's built-in data structures such as lists and dictionaries are thread-safe, but simple data types such as integers and floating-point numbers are not thread-safe, and for those simple data types to operate, locks are required.

Example of a file operation Copy Code code as follows: #输入文件 f = open (R ' D:\Python27\pro\123.bak ') #输出文件 FW = open (R ' D:\Python27\pro\123e.bak ', ' W ') #按行读出所有文本 lines = F.readlines () num =-1 For line in lines:

First, the most basic application Import urllib2 url = R ' http://www.baidu.com ' html = urllib2.urlopen (URL). Read () print HTML Client and server side through request and response to communicate, the client first sends request to

I. Ipython INTRODUCTION IPython is an interactive shell that works better than the default terminal, supports automatic indentation, and has built-in many useful functions and functions. Can be used on any operating system. Two. Installation

The main functions are implemented in the CopyFiles () function, as follows: Copy Code code as follows: def copyfiles (SRC, DST): Srcfiles = Os.listdir (src) Dstfiles = dict (Map (Lambda x:[x, '], Os.listdir (DST)) Filescopiednum = 0

Copy Code code as follows: #-*-Coding:utf-8-*- def insertion_sort (A):"", "" "" "" "" "" "" "" "" "" ""n = Len (A)If n Return AB = [] # results listFor a in a:i = Len (B)While I > 0 and B[i-1] > A:i = I-1B.insert (i, a);Return B Def

A simple encapsulation of the Python Web request module URLLIB2. Example: Copy Code code as follows: #!/usr/bin/python #coding: Utf-8 Import Base64 Import Urllib Import Urllib2 Import time Class SendRequest:'''This class with

Python's most recent work is the component compatibility test, the original framework has a lot of features are not perfect, need to add! For example, you need to write the results of the AutoIt script to Excel, and the final solution is to use the

In Python, if the function body is a separate return expression statement, the developer can choose to replace the function with a special lambda expression form: Copy Code code as follows: Lambda parameters:expression A

1. Get file Hide properties via Windows attrib command Copy Code code as follows: Syntax ATTRIB [+ Attribute |-attribute] [pathname] [/S [/d]] Key+: Turn an attribute on-: Clear an attribute off Pathname:drive and/or filename e.g.

The Pyquery library is a python implementation of jquery that can be used to parse HTML Web page content using the following methods: Copy Code code as follows: From pyquery import Pyquery as PQ 1, can load an HTML string, or