python openid example

This example describes the self principle in Python. Share to everyone for your reference. The specific analysis is as follows: The methods of a class have only one particular difference from a normal function-they must have an extra first parameter name, but you don't assign a value to this parameter when you call the method, and Python provides that value. Thi

In this article we learn about the Python Popitem function in the python dictionary, what the python popiteme function means, and what the function will do in the next article. Description of the Python popiteme function The Python Dictionary Popitem () method randomly

In the previous article, we introduced a general description of the Python regular expression of the bodysuits, in fact Regular Expressionsis a special sequence of characters that can help you conveniently check whether a string matches a pattern. Python has added the RE module since version 1.5, which provides a Perl-style regular expression pattern. The RE module enables the

For example, the Python Tornado framework for data visualization tutorial, pythontornado Extended modules used Xlrd: An extension tool for reading Excel in Python. You can read a specified form or cell.Installation is required before use.: Https://pypi.python.org/pypi/xlrdDecompress the package and cd it to the decompressed directory. Execute

Python's threading module provides a variety of lock-related methods, Python multi-threaded can not be executed at the same time, so the use of locks is very critical, we will give an example of Python programming in the use of the thread Lock: Lock Python's built-in data structures, such as lists and dictionaries, are thread-safe, but simple types such as integ

Code example for asynchronous processing of Python Web framework Tornado1. What is Tornado Tornado is a lightweight but high-performance Python web framework. Compared with another popular Python web framework Django, tornado does not provide ORM interfaces for database operations and strict MVC development modes, but

represents the name lookup order: Locals, enclosing function, globals, builtins locals 是函数内的名字空间，包括局部变量和形参 enclosing 外部嵌套函数的名字空间（闭包中常见） globals 全局变量，函数定义所在模块的名字空间 builtins 内置模块的名字空间所以，在 Python 中检索一个变量的时候，优先回到 locals 里面来检索，检索不到的情况下会检索 enclosing ，enclosing 没有则到 globals 全局变量里面检索，最后是到 builtins 里面来检索。Example:[[emailprotected] python_learn]# ./getvalue.py Ex Gy EzLx Gy Ez[[emailprotected] python_lear

Python pygame module usage example, pythonpygame The example in this article describes the usage of the pygame module in python and shares it with you for your reference. The specific method is as follows: import pygame, sys from pygame.locals import * #set up pygame pygame.init() windowSurface = pygame.display.set_m

This example describes the Python adorner decorator usage. Share to everyone for your reference. The specific analysis is as follows: 1. Closures (closure) A closure is a feature supported by Python that allows a function defined in a non-global scope to reference a variable in its outer space, which is referred to as the environment variable of the function. Th

In this article, let's look at the fileIsatty () method in Python, and before entering the article we first need to know what we are going to learn, and we don't know what it is. Because today is about Python in the file method inside the Fileisatty () method, the file class method a lot of an article is not finished, So today we speak only among the Python Fi

Using python to write MapReduce functions -- Taking WordCount as an ExampleAlthough the Hadoop framework is written in java, the Hadoop program is not limited to java, but can be used in python, C ++, ruby, and so on. In this example, write a MapReduce instance using python instead of using Jython to convert the

Python simple definition and use of the dictionary dict method example, pythondict This example describes how to define and use a dictionary in Python. We will share this with you for your reference. The details are as follows: # Coding = utf8print ''' the dictionary ing data type in

This article mainly introduces the usage of MySQLdb in python. The example analyzes the installation and usage of MySQLdb in Python, including the addition, deletion, modification, query, and garbled processing techniques, for more information about MySQLdb usage in python, see the

defines functions, but also has many built-in useful functions that can be called directly. Abstraction Abstract is a very common concept in mathematics. For example: Calculate the sum of the series, such as: 1 + 2 + 3 +... + 100, it is very inconvenient to write, so mathematicians invented the summation symbol Σ, which can put 1 + 2 + 3 +... + 100 note: 100∑nn=1 This abstract notation is very powerful, because we can see that Σ can be understood a

This article mainly introduces the Python encryption module md5, sha, and crypt instances. This article provides the MD5 and crypt module code examples, for more information, see the MD5 (Message-Digest Algorithm 5) module to calculate information ciphertext (Information Digest) and obtain a 128-bit ciphertext. The sha module is similar to md5, but generates a 160-bit signature. The usage is the same. The following

This article mainly introduces the usage of the urllib module in python, and analyzes in detail the curl operation method of replacing PHP with the urllib module in python in the form of an instance, which has good reference value, for more information about the urllib module usage in python, see the following example.

Example of how to use Python multi-process concurrency (multiprocessing) This example describes how to use Python multi-process concurrency (multiprocessing. Share it with you for your reference. The specific analysis is as follows: Due to restrictions of Python design (I am

The example of this article describes the Python socket programming in more detail. Share to everyone for your reference. Specifically as follows: Copy code code as follows: Sock=socket.socket (Socket.af_inet,socket. SOCK_STREAM) The code above creates a socket object. The type parameter represents a socket type and can be sock_stream (stream sockets) and Sock_dgram (datagram sockets). Af_inet represents

Python OpenCV histogram calculation and display method example, pythonopencv This article introduces how to use OpenCV Python to calculate histograms, and briefly introduces how to use NumPy and Matplotlib to calculate and draw histograms. The background knowledge and usage of the histogram are omitted. Here we will introduce the method directly. Calculate and di

This article mainly introduces the implementation of the python dictionary sorting method. The example analyzes the skills related to the Python dictionary sorting. If you need it, you can refer to the example in this article to analyze the python dictionary sorting method.