Copy the Code code as follows:
#coding: Utf-8"""What's the matter with __new__ and __init__, look at the code belowIf the class does not have a __new__ method defined, the __new__ method is inherited from the parent class.__NEW__ is executed before
The main function of the module is to provide objects that can store cookies. Use this module to capture cookies and resend them on subsequent connection requests, and also to process files that contain cookie data.
This module mainly provides
Need to install Pywin32,windows to cut the interface with WINAPI
Copy the Code code as follows:
#
# _*_ Coding:utf-8 _*_
__author__ = ' shanl '
Import Win32APIImport Win32conImport Win32guiFrom ctypes Import *Import time
Vk_code = {' Backspace ': 0
Python has its own module for processing Python, which can be used to import JSON directly. You can use the loads method to convert a JSON string into a Python object with the following relationship:
JSON Python
Object Dict
Array list
String Unicode
1. From Kmeans
Kmeans is a very basic clustering algorithm that uses the idea of iteration, not to mention its principle here. Let's talk about how to use the Kmeans algorithm in MATLAB.
Create 7 two-dimensional data points:Copy the Code code as
1, first see what is Iterable object
Take the built-in Max function as an example to view its doc:Copy the Code code as follows:
>>> Print max.__doc__
Max (iterable[, Key=func]), value
Max (A, B, C, ...) [, Key=func]) -Value
With a single iterable
We often encounter a lot of whitespace in the processing of the problem, a one to remove the manual is not what we programmers should do, today this tip of the article script home to tell you how to use Python to remove the space in the
1, go to the space and special symbols
Copy CodeThe code is as follows:
S.strip (). Lstrip (). Rstrip (', ')
2. Copying strings
Copy CodeThe code is as follows:
#strcpy (SSTR1,SSTR2)
SSTR1 = ' strcpy '
SSTR2 = SStr1
SSTR1 = ' Strcpy2 '
Print
How does Redis work with Python? The following is an example of using Python to read and write Redis databases.
For example, we insert a piece of data, as follows:
Copy CodeThe code is as follows:
Import Redis
Class Database:
def __init__
The Urllib2.urlopen () function does not support authentication, cookies, or other advanced HTTP features. To support these features, you must create a custom opener object using the Build_opener () function.
Copy the Code code as
First, the crawler frame Scarpy Introduction
Scrapy is a fast, high-level screen crawl and web crawler framework that crawls Web sites, gets structured data from Web pages, has a wide range of uses, from data mining to monitoring and automated
Written using Python + shell, is a simple Solaris system patrol Program
Copy the Code code as follows:
#!/usr/bin/python-u
#-*-Coding:utf-8-*-
'''
Program: solaris_status.py
author:gyh9711
Function:
System State Information Acquisition
Language:SH
Example One:
Python uses WMI modules to obtain the hardware information of the windowns system: Partition of hard disk, usage, memory size, CPU model, current running process, self-launcher program and location, system version and other information.
For more information, refer to the JSON documentation inside Python:
Python>>> Help (JSON)
or Official document: Http://docs.python.org/library/json.html#module-json.
Here's a simple example of using Python to parse JSON:Copy the Code code as
Sometimes you need to use floating-point numbers in JSON, such as prices, coordinates, and so on. But the floating-point numbers in python are fairly inaccurate, such as the following code:
Copy the Code code as follows:
#!/usr/bin/env python
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