Programming VIP

preface 🚀 Author: "programmer pear" 🚀 ** Article introduction * *: This article mainly explains how to use Python to find out those people who block me in QQ space, and put them in The whole process of pulling black. 🚀 ** Article source code acquisition * *: in order to thank everyone for paying attention to my little cu ...

preface In short, the Internet is a large network composed of sites and network devices. We visit sites through the browser, and the site returns HTML, JS and CSS codes to the browser. These codes are parsed and rendered by the browser to present colorful web pages in front of us; 1, What is a reptile? If we compare the Internet to a large spi ...

1. Parse robots Txt file There are some sites in robots Txt file is set to prohibit the proxy user from browsing the site. Since the target site has such a rule, we should follow it. Use urllib's robot parser module to parse robots Txt file to avoid downloading the url prohibited from crawling, and then through can_fetch() function to determi ...

cause It's July 10th. It's time for college students to go home after the holiday. Our major went back later because of practical training. I went back later because of special circumstances. It happened that Tiezhu didn't go back either. Early in the morning, Tiezhu came to our dormitory with his head in his mouth... Tiezhu: all gone? ( ...

The crawler function is realized bit by bit. If we want to crawl qq music, we must first crawl one of the songs. We open the official website of qq music, randomly find a song, enter the playback page, and then press F12 to enter the detection interface. If no data appears, refresh the page. Then we find the file with the size of a song her ...

The most basic crawler -- Python requests+bs4 crawling UIBE Academic Affairs Office 1. Use tools 1.Python 3.x 2. Third party library requests,bs4 3. Browser 2. Specific ideas The website of UIBE academic affairs office is highly open and has no anti crawler measures. It only needs to use the most basic crawler means. Use the requests libr ...

Network security is based on the sketch framework and selenium and openpyxl libraries to crawl the epidemic statistics and summary information of foreign countries data sources https://voice.baidu.com/act/newpneumonia/newpneumonia/ thinking Because the data in the target page is dynamically loaded, the response obtained by directly initiatin ...

Hello, I'm spicy. Today, I'll bring you a summary of the basic knowledge of Python. It's no exaggeration to say that I didn't finish it in a week. This is the first play. If you like to remember three in a row, I'll quickly update the next play and strive to finish this series. I hope you can support me. catalogue notes variable output in ...

  👻👻 I believe many friends have learned the requests library from entering the pit to meeting through the repeated bombing of my two ten thousand word blog posts, and can independently develop their own small crawler projects—— The reptile road is endless~ 👻👻     chapter I reptile entering the pit: A ten thousand w ...

Beautiful soup Library Although XPath is more convenient than regular expressions, it is not the most convenient, only more convenient. Our beautiful soup library can make it easier to crawl what you want. Installing the BeautifulSoup Library Before use, it is the old rule to install the BeautifulSoup library. The instructions are as fol ...