Python

DHCP Protocol /DHCP ProtocolDirectory Basic theory of DHCP DHCP Communication Process DHCP Complete Message Optional field for DHCP Type of message for DHCP 1 Basic theory of DHCPDHCP (Dynamic Host Configuration

WSGI Web Server Gateway InterfaceWsgi primarily specifies how Web servers communicate with Web applications and how Web applications are linked together to process a request.Wsgiref WSGI reference module in PythonOne, WSGI application side:1,

Go from Http://blog.csdn.net/ywjun0919/article/details/8692018Python chart drawing: Getting Started with the Matplotlib drawing libraryMatplotlib is Python's most famous drawing library, which provides a complete set of command APIs similar to those

This is done by using some of the high-start Python projects on the crawler GitHub to learn about the use of BeautifulSoup and Pymysql. I always thought that the mountain is the story of the water, cloud is the story of the wind, you are my story,

Plot a simple scatter plotTo draw a single point, use the scatter () function and pass a pair of x and Y coordinates to it, which draws a point at the specified position Import Matplotlib.pyplot as Pltplt.scatter (2,4) plt.show ()Operation

Object-Oriented ProgrammingIn Python, classes and objects are also important components.And in Python, the basic data types, such as int are encapsulated class, have their own method, it should be similar to the integer in JavaClasses include fields

PrincipleThere are a lot of tutorials on the Internet to explain the principle of sending mail, here is still recommended Liaoche teacher's Python tutorial, explain the easy to understand. Briefly, SMTP is the protocol that sends messages, and

Hasattr (object, name)Determines whether an object has a Name property or a name method, returns a bool value, returns true with the name attribute, or FALSE.It is important to note that name is enclosed in parentheses.>>> class Test (): ...

I. Regular expressions commonly used in PythonTwo. Regular Expression Web site, can be online regular matchhttps://regex101.com/1. How to use and the regular introduction1 "." Matches any character that is any other than the line break (\ n)' * '

Four weeks five sessions (November 10)First, loggingLog is our key tool to troubleshoot problems, write log records, and when we have problems, you can quickly locate the code range to modify. Python gives us developers a good log module, let's

The article references the tutorial: Http://www.runoob.com/python/python-basic-syntax.html#commentform Python Exception HandlingPython provides two very important features to handle the exceptions and errors that Python programs run in. You

Prediction problems in machine learning are usually divided into 2 categories: regression and classification .Simply put, regression is a predictive value, and classification is a label that classifies data.This article describes how to use Python

The content of this section1. Basic function syntax and features2. Parameters and Local variables3. Recursion4. Introduction to Functional programming5. Higher-order functions1. Basic function syntax and featuresThree programming Paradigms:1.

Combine Scrapy official documentation to learn and organize some of the content of your own learning practicesScrapy is scrapy controlled by command-line tools. This is what we call the "scrapy tool" to distinguish it from subcommands. For

Python string, list, tuples, set, dictionary method, python stringList 1. L. append (object)-> None Add a single element at the end of the list. Any type is acceptable, including list or tuples.   2. L. extend (iterable)-> None Add multiple elements

Machine Learning: Decision Tree in python practice and decision tree in python practice Decision tree principle: Find the final feature from the dataset and iteratively divide the dataset until the data under a branch belongs to the same type or has

AI, artificial intelligence, Python, man-machine interaction, aipython Today, with the development of artificial intelligence, if we don't try to get in touch with new things, we will soon be eliminated by the world ~ This article is intended to use

Re-learn Python, learn pythonTuples   Tuples: The feature is that the content is not changeable and the read-only list can be queried and cannot be modified. a = 2,print(a)print(type(a))b = ('a','b','c')print(b[1]) Running result: (2,)b  Dictionary

Serialization of django-rest-framework, Preface:I learned about rest-framework serialization yesterday, so I wrote a blog record. Official Website: http://www.django-rest-framework.org/tutorial/1-serialization/?working-with-serializers.   Frontend

Use socket to implement multiple connections and ssh functions, and socket to implement multiple sshI. Preface In the previous article, we already know that the client connects to the server through socket for a data transmission. How can we