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First, let's take a look at the example diagram. In order, the following pages are called the home page, everything (randomly taken), login page and resource management Start. Bootstrap template package download address https://codeload.github.com/twbs/bootstrap/zip/v3.4.1 The front-end page is really difficult. The resource management pa ...

Hello, I'm boss Wu. preface Some time ago, I saw a fishing man's countdown template on Weibo. I felt very interesting. So I spent an hour writing a page to find the address of the Fishing Office (fishing time, of course). The template is as follows: Fishing Office 🐟 Hello, fisherman, no matter how tired you are, you must not forget to fish! ...

1. Event cycle It can be understood as an endless loop to detect and execute some code Principle: # Asynchronous programming # Pseudo code task list = [Task 1, task 2, task 3,...] while True: Executable task list, completed task list = Go to the task list to check all tasks, and'Executable'and'Completed'Task return for Ready task i ...

demand Crawling Pictures in Webmaster material ImagesPipeline for image data crawling Crawl pictures xpath parses the attribute value of the picture src. Make a separate request for the picture address to obtain the binary type data of the picture. ImagesPipeline You only need to parse the src attribute in img and submit it to the pip ...

AES encryption details Introduction: the full name is advanced encryption standard (English Name: Advanced Encryption Standard), also known as Rijndael encryption method in cryptography, which is sponsored by the National Institute of standards and technology of the United States (NIST) was released in 2001 and became an effective standard in ...

Brothers, if you don't send high-quality reptiles, you won't see it. Alas~So you are all such people!!!You've been paying attention to me for so long. Of course, you should have some serious teaching videos. After all, it's not serious. Everyone doesn't watch it. I'll climb a little sister for you today.The environment used is Python 3 6 and py ...

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 ...

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 ...

prefaceAt the weekend, I was idle at home. I brushed wechat and played with my mobile phone. When I found that my wechat avatar should be changed, I went to the Internet to find the avatar. Looking at the pictures, I thought that as a code farmer, I could climb down these pictures and make them into a wechat applet. I did what I said. I basical ...

Hello, I'm a side dish.A man who hopes to become a man who talks about architecture with cow X! If you want to be the person I want to be, or pay attention and be a partner, so that the dishes are no longer lonely!This article mainly introduces SeleniumIf necessary, refer toIf helpful, don't forget to like ❥The official account of WeChat has be ...