Python

1. Basic Read configuration file -read (filename) reads INI file contents directly -sections () gets all the sections and returns as a list -options (section) gets all the option of the section -items (section) gets all the key-value pairs of the

General view1. Preface Recall that the role of the view layer in Django is equivalent to the role of the controller, which is implemented in the viewAction, usually obtains the request parameter, then obtains the data from the model, then creates

The Atan () method returns the inverse tangent of x, expressed in radians. Syntax The following is the syntax for the Atan () method: Atan (x) Note: This function is not directly accessible, so we need to import the math module and then call

The example in this article describes how Python creates associative arrays (dictionaries). Share to everyone for your reference. The specific analysis is as follows: Associative arrays are useful for calling dictionaries in Python, and here are

The example in this article describes how Python implements extracting filenames from URL addresses. Share to everyone for your reference. The specific analysis is as follows: Such as: Address is http://www.jb51.net/images/logo.gif to extract logo.

Almost all of the meager provide a shortened URL service, the principle is that a URL address according to a certain algorithm to generate a string, and then added to a short domain behind a new URL address, the database will be stored in this short

The example in this paper describes the simple window countdown interface implemented by Python. Share to everyone for your reference. The specific analysis is as follows: The following code makes the Windows window interface through Tkinter, and

If you connect to the MDB database in a Linux system and connect directly, the MDB default driver does not recognize the non-Windows path, so you cannot use a regular connection Way Driver={microsoft Access DRIVER (*.mdb)};D

Python's ZipFile provides a very convenient way to compress and decompress zip files. For example, in the directory where the py script resides, there are the following files: Copy the Code code as

MoinMoin was deployed under CentOS using APACHE+MOD_WSGI, but editing and saving the page was slow, and was ready to be redeployed using NGINX+UWSGI This article assumes that the basic installation of Apache and Mod_wsgi has been completed in

This paper gives an example of how to implement the Golden segmentation method in Python. Share to everyone for your reference. The implementation method is as follows: "A, B = bracket (f,xstart,h) Finds the brackets (A, b) of a minimum point of

Here are a few of the commands I've been using for the past few days, and I'll start with a detailed MySQL documentation. Note: [] represents a name, you need to replace it with a library name or a table name To display all libraries: show

This example describes the Python callback function usage. Share to everyone for your reference. The specific analysis is as follows: There is always a certain interface between software modules, which can be divided into three categories:

The examples in this article describe how Python implements the connection to MongoDB. Share to everyone for your reference. The specific analysis is as follows: Through Pymongo can be easily linked to MongoDB, the following code link to the local

In this paper, we analyze the Python class attribute and instance attribute usage. Share to everyone for your reference. Specific as follows: Class Property: Class Name. property name Instance properties: Instance. Property name >>> class Test ()

This paper describes the method of Python detecting QQ online status. Share to everyone for your reference. The implementation method is as follows: Import time,datetime import urllib2 def chk_qq (qqnum): chkurl = ' http://wpa.paipai.com/pa?p=1:

The examples in this paper describe Python shallow copy and deep copy usage. Share to everyone for your reference. The specific analysis is as follows: >>> person=[' name ', [' savings ',100]]>>> hubby=person[:]>>> wifey=list (person) >> > [ID (x)

This example describes how Python uses Django to get a user's IP address. Share to everyone for your reference. Specific as follows: Function implementation: def get_client_ip (Request): try: real_ip = Request. meta[' http_x_forwarded_for '

The example in this article describes how Python parses the URL format. Share to everyone for your reference. The specific analysis is as follows: Python parsing of URL formats that resolves portions of a URL address based on a specified full URL

This example describes how Python implements the conversion of strings and dates to each other. Share to everyone for your reference. The specific analysis is as follows: The time and datetime functions are used here, respectively. ' @author: