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prefaceIn the recent working code, I encountered some small problems, resulting in my update being much slower. Today, I want to share with you the problems I encountered before, and teach you through a practical content. I hope that when you encounter similar problems in the future, you can think of my article and solve the problems.What I wan ...

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Github Access Acceleration In recent years, GitHub distribution network has been seriously polluted by dns, resulting in extremely slow access speed of domestic users, and there are many solutions. For details, please refer to "contents in references" Acceleration method Use mirror or proxy sitescdn accelerationGo to gitee acc ...

** Detailed explanation of actual combat of jsoup crawler ** Today, I'd like to share a summary about how jsoup crawled Sina's web page for some time. Before realizing the above functions, we should first understand two key points: 1 About the details and tutorials of jsoup crawling, you should understand the relevant tags of jsoup when crawl ...

Catalogue of series articles python crawler directory preface Excerpt from corresponding course notes of station B It is worthy of being the boss of Tsinghua University! Make Python web crawler so simple and clear! From getting started to mastering nanny level tutorial (recommended Collection) The following is the main content of th ...

🍑 Source power 😍 For the article, the title is the essence of its concentration. Then for the video, its cover may be the most eye-catching frame. Station B, as a hot short video platform recently, has a variety of dances in its dance area, especially house dance, which is deeply loved by "house men". Don't talk to me about bla ...

Module 1Modules can be regarded as a collection of functions.A stack of functions can be placed inside a py file, so a py file can be regarded as a module.If the file name of this py file is {module Py, and the module name is "module".1. Four forms of modulesIn Python, there are four types of modules:Custom module: if you write a py f ...

1. requests In Python 3, you can use urllib Request and requests for web page crawling. The urllib library is built into python and does not need to be installedThe requests library is a third-party library and needs to be installed by yourself 1.1 installation command pip install requests 1.2 basic methods of requests methodexplainreque ...

Python crawler (IV) -- data saving 1. Read and write Excel To read and write excel, we need to install another module openpyxl and directly use the installation method of pip. pip install openpyxl When writing data, we only need to import the Workbook object to create the Workbook. from openpyxl import Workbook #Create Workbook wb=Workboo ...

At present, the five domestic futures exchanges have disclosed the historical data of their futures varieties on their official websites. Technically, their implementation methods are different. When capturing data, you will use different methods such as parsing json, parsing xml, parsing html and parsing tsv. Crawling the data of these compani ...