Python Learning Notes: Day 10 User Registration and Login

Preface Recently, in the study of in-depth learning, several models have been run out, but the foundation of Pyhton is not solid enough. Therefore, we began to tutor Python. Everyone recommended Liao Xuefeng's course. Therefore, we started to learn, but whether optics is useful or not. We also need to discuss with you. Therefo ...

Posted by fortnox007 on Wed, 15 May 2019 16:56:40 +0200

Movie Recommendation Using Surprise Package

Surprise (Simple Python Recommendation System Engine) is a recommendation system library, which is one of the scikit series. Simple and easy to use, while supporting a variety of recommendation algorithms (basic algorithm, collaborative filtering, matrix decomposition, etc.). The following purposes are taken into account when ...

Posted by dopp on Wed, 15 May 2019 15:35:12 +0200

Advanced tutorials on Python crawlers and data analysis: file manipulation, lambda expressions, recursion, yield generator

Python crawler and python teaching video of data analysis, Python source code sharing, Python Python crawler and basic data analysis tutorial: Python grammar, dictionary, tuples, lists Advanced tutorials on Python crawlers and data analysis: file manipulation, lambda expressions, recursion, yield generator Python crawler and data analysis mo ...

Posted by dormouse1976 on Wed, 15 May 2019 10:49:26 +0200

python file operation summary

File operation of python Opening and Closing of Files open (File Name, Access Mode) - open Files demo: file = open('test.txt', 'w') close() - Close the file demo: file = open('test.txt', 'w') file.close() Access pattern description r: Open the file read-only. The pointer to the file will be placed at the beginning of ...

Posted by Toggles on Wed, 15 May 2019 07:47:56 +0200

(8) A Byte of Python: Input and Output

If you want to get the user's input and print some returned results to the user. We can achieve this requirement through the input() function and the print function, respectively. For input, we can also use various methods of the str (String, String) class. Another common input and output type is processing files. 1. User input content def rev ...

Posted by phprock on Tue, 14 May 2019 21:09:22 +0200

This is probably the most tedious Python crawler introductory tutorial 2-100

Preface Starting today, I'm going to roll up my sleeve and write Python crawlers directly. The best way to learn a language is to do it purposefully, so I'm going to do this with 10 + blogs.Hope you can do it well. In order to write the crawler well, we need to prepare a Firefox browser, also need to prepare the crawler tool, ...

Posted by muthuraj_mr on Tue, 14 May 2019 19:03:06 +0200

Object-oriented features

Article Directory CHAPTER IX OBJECT-ORIENTED CHARACTERISTICS 1. Encapsulation - Privatization of Member Variables 2. Inheritance 2.1 Background 2.2 Implementation Inheritance of 2.3 Members Extension of 2.4 Subclass 2.5 Rewrite Hide of 2.6 Member Variables 2.7 Inheritance of Constructors (1) Constructors in Inheritance (2) ...

Posted by spiyun on Tue, 14 May 2019 17:29:44 +0200

Network communication & first understanding of socket

The main contents of this section are as follows: 1. Customer Short Server Architecture 2. Network communication process 3. Initial knowledge of socket   I. Client Server Architecture ClientServer Architecture: Client/S erver (C/S) structure is a well-known software system architecture. By assigning tasks reasonably to Client and S erver, the c ...

Posted by vishal99 on Tue, 14 May 2019 15:10:59 +0200

Doker-compose Running Flask Application Best Practices

background Before deploying applications, various environment configurations were needed, and various shell operations were needed to build a set of available services. Now with Docker, deployment is easier, configuration errors are less likely, and environment inconsistencies are less likely. It solves the problems of running in the local en ...

Posted by martins on Tue, 14 May 2019 11:55:21 +0200

Python Recognizes Graphic Verification Codes with OCR

Using API, first look at the next interface document   First, the python version 2.7 code #encoding=utf-8 import requests import time import string import random import base64 import hashlib import urllib from urllib import urlencode from requests.packages.urllib3.exceptions import InsecureRequestWarning requests.packag ...

Posted by ven0mblade on Sun, 12 May 2019 07:14:20 +0200