Crawl app photos with python

Download a fighting fish first (you can do it without downloading, the URLs are all here, right) Grab a json package by grabbing it and get the address below   Observed tests show that modifying offset values is equivalent to paging an app Accessing this url returns a large dictionary with two indexes, one error and one data.Data is another 20 ...

Posted by snowdog on Mon, 20 Jul 2020 08:02:20 -0700

python selenium+beautifulSoup crawl lottery network data

I've always been particularly interested in python, and now I'm learning python. Here's how to use the library selenium and beautifulSoup from Python to crawl 360 lottery net winners: First open the page you want to crawl to see its content structure: Web address is http://chart.cp.360.cn/kaijiang/ssq?sb_spm=b5d6e27c6 ...

Posted by mash on Sat, 18 Jul 2020 09:23:12 -0700

Solving Chinese Scrambling Problem of mysql+python on mac Platform

First, for mysql databases, the default character is latin1 This latin1 is the culprit that we can't write in Chinese.The solution, then, is to change the character set to UTF-8 The easiest way to do this is to modify the windowMy.iniProfile),My.iniWhere and how to modify it to UTF-8 is as follows: https://www.cnblogs.com/Ray-xujianguo/p/332 ...

Posted by Yetalia on Sun, 12 Jul 2020 08:38:36 -0700

Scrapy Framework--Get/Delivery/Local Save of Cookies

Environment: Python 3.6 + Scrapy1.4 What I want to do: 1. Complete a simulated landing _2. After successful login, extract the cookie s and save them locallyCookie.txtFile _3. Use it again from localCookie.txtRead cookie s and omit simulated login. I read some blogs about how Scrapy manipulates cookies, and they are all very different (they don ...

Posted by fugix on Fri, 10 Jul 2020 09:14:35 -0700

Additions and deletions based on Form component and based on ModelForm

Introduction to ModelForm ModelForm a. class Meta: model, # Corresponding Model Of fields=None, # field exclude=None, # Exclusion field labels=None, # Prompt message help_texts=None, ...

Posted by 1337hovie on Wed, 08 Jul 2020 08:39:55 -0700

Additions and deletions based on Form component and based on ModelForm

Introduction to ModelForm ModelForm a. class Meta: model, # Corresponding Model Of fields=None, # field exclude=None, # Exclusion field labels=None, # Prompt message help_texts=None, ...

Posted by Wolphie on Wed, 08 Jul 2020 08:40:24 -0700

python common errors and exceptions! Incidental treatment method

As a Python beginner, when learning Python programming, we often see some error messages. Python has two types of errors that are easy to recognize: syntax errors and exceptions. Python assert is used to judge an expression and trigger an exception when the expression condition is false. syntax error Python syntax errors, or parsing errors, ar ...

Posted by michaelmuller on Mon, 29 Jun 2020 20:17:42 -0700

Rent price analysis of rental housing in Shanghai

Rent price analysis of rental housing in Shanghai In this paper, we use crawler to crawl the housing rental data of Shanghai, and use python to clean, analyze and display the data, and carry out data mining modeling and prediction for housing rent. # Import related packages import pandas as pd import numpy as np import seaborn as sns import ma ...

Posted by Calamity-Clare on Mon, 29 Jun 2020 19:46:08 -0700

Exception capture and regular expression usage in python

Exception capture 1. What is exception capture """ The program can continue to run if there is an exception in the process of program execution. Note: you don't need to use exception capture all the time. You should use it when you know that there may be an exception in a certain place and you don' ...

Posted by rsmarsha on Mon, 29 Jun 2020 18:35:21 -0700

Try to write a game in python. This game is called alien invasion

preface The text and pictures of this article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. Install pygame and create a ship that can mo ...

Posted by jsims on Mon, 29 Jun 2020 02:55:29 -0700